INIT: Id "6" respawning too fast: disabled for 5 minutes INIT: Id "4" respawning too fast: disabled for 5 minutes INIT: Id "1" respawning too fast: disabled for 5 minutes INIT: Id "2" respawning too fast: disabled for 5 minutes INIT: Id "5" respawning too fast: disabled for 5 minutes Warning: Permanently added '10.128.0.225' (ECDSA) to the list of known hosts. 2019/07/10 16:25:39 parsed 1 programs 2019/07/10 16:25:42 executed programs: 0 [ 371.715108] audit: type=1400 audit(1562775944.469:5): avc: denied { associate } for pid=2110 comm="syz-executor.1" name="syz1" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 [ 373.468279] lowmemorykiller: Killing 'syz-executor.2' (2985) (tgid 2985), adj 1000, [ 373.468279] to free 76kB on behalf of 'kswapd0' (33) because [ 373.468279] cache 53252kB is below limit 65536kB for oom_score_adj 12 [ 373.468279] Free memory is -13264kB above reserved [ 373.468528] lowmemorykiller: Killing 'syz-executor.2' (2985) (tgid 2985), adj 1000, [ 373.468528] to free 76kB on behalf of 'syz-executor.3' (3013) because [ 373.468528] cache 54252kB is below limit 65536kB for oom_score_adj 12 [ 373.468528] Free memory is -12972kB above reserved [ 373.815544] oom_reaper: reaped process 2985 (syz-executor.2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 373.839667] syz-executor.4 invoked oom-killer: gfp_mask=0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=0, order=0, oom_score_adj=0 [ 373.852487] CPU: 1 PID: 2113 Comm: syz-executor.4 Not tainted 4.9.141+ #23 [ 373.859510] ffff8801ccbff6f8 ffffffff81b42e79 ffff8801ccbffab8 ffffffff833e92b0 [ 373.867578] 0000000000000000 ffff8801ccbffad0 0000000000000000 ffff8801ccbff778 [ 373.875644] ffffffff814fb526 0000000000000000 0000000000000000 ffffffff82816fa5 [ 373.883702] Call Trace: [ 373.886294] [] dump_stack+0xc1/0x128 [ 373.891752] [] dump_header.isra.4+0x142/0x747 [ 373.897907] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 373.906782] [] ? ___ratelimit+0x53/0x401 [ 373.907419] syz-executor.2: vmalloc: allocation failure, allocated 1452503040 of 3490287616 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 373.925231] [] oom_kill_process.cold.10+0xd/0xa6e [ 373.931730] [] ? _raw_spin_unlock+0x2c/0x50 [ 373.937706] [] ? check_preemption_disabled+0x3b/0x200 [ 373.944556] [] ? out_of_memory+0x6d4/0xe90 [ 373.950437] [] out_of_memory+0x292/0xe90 [ 373.956167] [] ? out_of_memory+0x410/0xe90 [ 373.962058] [] ? oom_killer_disable+0x200/0x200 [ 373.968382] [] ? trace_hardirqs_on+0xd/0x10 [ 373.974359] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 373.981208] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 373.987967] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 373.994728] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 374.001400] [] ? check_preemption_disabled+0x3b/0x200 [ 374.008264] [] ? find_get_entry+0x11a/0x570 [ 374.014240] [] ? find_get_entry+0x141/0x570 [ 374.020216] [] ? page_cache_prev_hole+0x80/0x80 [ 374.026540] [] ? pagecache_get_page+0x131/0x710 [ 374.033370] [] filemap_fault+0xaf1/0x1110 [ 374.039271] [] ext4_filemap_fault+0x71/0xa0 [ 374.045238] [] __do_fault+0x223/0x500 [ 374.050684] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 374.056735] [] ? generic_file_readonly_mmap+0x190/0x190 [ 374.063745] [] handle_mm_fault+0x1326/0x2350 [ 374.069797] [] ? vm_insert_page+0x6f0/0x6f0 [ 374.075766] [] ? __might_fault+0x92/0x1d0 [ 374.081568] [] __do_page_fault+0x403/0xa60 [ 374.087492] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 374.094329] [] ? bad_area_access_error+0x3a0/0x3a0 [ 374.100989] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 374.107649] [] do_page_fault+0x27/0x30 [ 374.113181] [] page_fault+0x25/0x30 [ 374.118456] CPU: 0 PID: 2985 Comm: syz-executor.2 Not tainted 4.9.141+ #23 [ 374.125574] ffff8801c5a9f850 ffffffff81b42e79 1ffff10038b53f0c dffffc0000000000 [ 374.133613] ffffffff82aa8ba0 0000000000000000 0000000000400000 ffff8801c5a9f998 [ 374.141667] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 374.149689] Call Trace: [ 374.152357] [] dump_stack+0xc1/0x128 [ 374.157801] [] warn_alloc.cold.31+0x7f/0x9c [ 374.163788] [] ? zone_watermark_ok_safe+0x250/0x250 [ 374.170442] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 374.177279] [] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 374.183854] [] ? retint_kernel+0x2d/0x2d [ 374.189559] [] __vmalloc_node_range+0x3f8/0x600 [ 374.195968] [] ? xt_alloc_table_info+0xc9/0x100 [ 374.202283] [] vmalloc+0x5b/0x70 [ 374.207313] [] ? xt_alloc_table_info+0xc9/0x100 [ 374.213632] [] xt_alloc_table_info+0xc9/0x100 [ 374.219780] [] compat_do_replace.isra.10+0x116/0x380 [ 374.226551] [] ? translate_compat_table+0x1790/0x1790 [ 374.233396] [] ? mutex_lock_nested+0x6b7/0x900 [ 374.239670] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 374.246501] [] ? __cap_capable+0x168/0x1c0 [ 374.252389] [] ? ns_capable_common+0x12a/0x150 [ 374.258612] [] compat_do_ipt_set_ctl+0x102/0x140 [ 374.265014] [] compat_nf_setsockopt+0x8b/0x130 [ 374.271253] [] ? compat_do_replace.isra.10+0x380/0x380 [ 374.278173] [] compat_ip_setsockopt+0x97/0xd0 [ 374.284316] [] compat_udp_setsockopt+0x4a/0x90 [ 374.290539] [] ? udp_flush_pending_frames+0xb0/0xb0 [ 374.297378] [] compat_ipv6_setsockopt+0xb4/0x1d0 [ 374.303780] [] inet_csk_compat_setsockopt+0x97/0x120 [ 374.310526] [] ? ipv6_setsockopt+0x130/0x130 [ 374.316578] [] compat_tcp_setsockopt+0x3d/0x70 [ 374.322803] [] compat_sock_common_setsockopt+0xb4/0x150 [ 374.329810] [] ? do_tcp_setsockopt.isra.5+0x1ca0/0x1ca0 [ 374.336815] [] compat_SyS_setsockopt+0x169/0x550 [ 374.343209] [] ? sock_common_setsockopt+0xe0/0xe0 [ 374.349687] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 374.356254] [] ? compat_SyS_clock_gettime+0x131/0x1b0 [ 374.363519] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 374.370349] [] ? do_fast_syscall_32+0xcf/0xa10 [ 374.376569] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 374.383131] [] do_fast_syscall_32+0x2f1/0xa10 [ 374.389365] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 374.396017] [] entry_SYSENTER_compat+0x90/0xa2 [ 374.402896] Mem-Info: [ 374.405354] active_anon:5641 inactive_anon:42 isolated_anon:0 [ 374.405354] active_file:24 inactive_file:15 isolated_file:26 [ 374.405354] unevictable:0 dirty:12 writeback:24 unstable:0 [ 374.405354] slab_reclaimable:3897 slab_unreclaimable:58571 [ 374.405354] mapped:44 shmem:48 pagetables:374 bounce:0 [ 374.405354] free:125 free_pcp:9 free_cma:0 [ 374.411143] Mem-Info: [ 374.411160] active_anon:5641 inactive_anon:42 isolated_anon:0 [ 374.411160] active_file:19 inactive_file:17 isolated_file:26 [ 374.411160] unevictable:0 dirty:0 writeback:0 unstable:0 [ 374.411160] slab_reclaimable:3898 slab_unreclaimable:58579 [ 374.411160] mapped:31 shmem:48 pagetables:374 bounce:0 [ 374.411160] free:102 free_pcp:11 free_cma:0 [ 374.411175] Node 0 active_anon:22564kB inactive_anon:168kB active_file:76kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):104kB mapped:124kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:115 all_unreclaimable? no [ 374.411193] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 374.411220] Normal free:408kB min:5580kB low:9168kB high:12756kB active_anon:22564kB inactive_anon:168kB active_file:76kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15592kB slab_unreclaimable:234316kB kernel_stack:3904kB pagetables:1496kB bounce:0kB free_pcp:44kB local_pcp:8kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 374.411255] 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: 26*4kB (H) 12*8kB (H) 5*16kB (H) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 408kB 101 total pagecache pages [ 374.411294] 0 pages in swap cache [ 374.411298] Swap cache stats: add 0, delete 0, find 0/0 [ 374.411300] Free swap = 0kB [ 374.411302] Total swap = 0kB [ 374.411305] 1965979 pages RAM [ 374.411307] 0 pages HighMem/MovableOnly [ 374.411309] 313617 pages reserved [ 374.561856] syz-executor.4: page allocation failure: order:0, mode:0x2280020(GFP_ATOMIC|__GFP_NOTRACK) [ 374.561865] CPU: 1 PID: 2113 Comm: syz-executor.4 Not tainted 4.9.141+ #23 [ 374.561880] ffff8801db707468 ffffffff81b42e79 1ffff1003b6e0e8f ffff8801cee44740 [ 374.561889] ffffffff82a974e0 0000000000000000 0000000002280020 ffff8801db7075b0 [ 374.561898] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 374.561900] Call Trace: [ 374.561916] [ 374.561917] [] dump_stack+0xc1/0x128 [ 374.561926] [] warn_alloc.cold.31+0x7f/0x9c [ 374.561935] [] ? zone_watermark_ok_safe+0x250/0x250 [ 374.561942] [] ? get_page_from_freelist+0x23e/0x1d80 [ 374.561951] [] ? get_stack_info+0x37/0x120 [ 374.561958] [] __alloc_pages_nodemask+0x628/0x1bd0 [ 374.561965] [] ? unwind_next_frame+0x7d/0xd0 [ 374.561973] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 374.561981] [] ? pcpu_chunk_relocate+0x257/0x4d0 [ 374.561987] [] ? pcpu_alloc_area+0x697/0xd10 [ 374.561994] [] ? pcpu_next_unpop+0x100/0x100 [ 374.562000] [] ? oom_kill_process.cold.10+0xd/0xa6e [ 374.562007] [] ? __alloc_pages_nodemask+0x18ee/0x1bd0 [ 374.562014] [] ? filemap_fault+0xaf1/0x1110 [ 374.562021] [] ? ext4_filemap_fault+0x71/0xa0 [ 374.562027] [] ? __do_fault+0x223/0x500 [ 374.562033] [] ? handle_mm_fault+0x1326/0x2350 [ 374.562040] [] ? __do_page_fault+0x403/0xa60 [ 374.562046] [] ? do_page_fault+0x27/0x30 [ 374.562054] [] new_slab+0x367/0x3d0 [ 374.562062] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 374.562070] [] ? dst_cow_metrics_generic+0x50/0x130 [ 374.562077] [] ? pcpu_populate_chunk+0x7e0/0x7e0 [ 374.562084] [] ? dst_init+0x48a/0x5b0 [ 374.562092] [] ? check_preemption_disabled+0x3b/0x200 [ 374.562099] [] ? __local_bh_enable_ip+0x6a/0xe0 [ 374.562106] [] ? dst_cow_metrics_generic+0x50/0x130 [ 374.562114] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 374.562121] [] kmem_cache_alloc_trace+0x23c/0x2e0 [ 374.562128] [] ? dst_cow_metrics_generic+0x50/0x130 [ 374.562135] [] dst_cow_metrics_generic+0x50/0x130 [ 374.562143] [] ipv6_cow_metrics+0x78/0x180 [ 374.562149] [] icmp6_dst_alloc+0x46b/0x610 [ 374.562156] [] ? ip6_blackhole_route+0x5e0/0x5e0 [ 374.562163] [] ndisc_send_skb+0xcec/0x12e0 [ 374.562171] [] ? debug_lockdep_rcu_enabled+0x75/0x90 [ 374.562178] [] ? ndisc_alloc_skb+0x330/0x330 [ 374.562184] [] ? memset+0x31/0x40 [ 374.562193] [] ? __alloc_skb+0x3ae/0x5b0 [ 374.562200] [] ? __kmalloc_reserve.isra.5+0xc0/0xc0 [ 374.562206] [] ? ipv6_get_ifaddr+0x300/0x510 [ 374.562213] [] ? __ndisc_fill_addr_option+0xeb/0x110 [ 374.562220] [] ndisc_send_rs+0x12a/0x670 [ 374.562227] [] addrconf_rs_timer+0x27e/0x5a0 [ 374.562233] [] ? ipv6_get_lladdr+0x440/0x440 [ 374.562240] [] ? debug_object_deactivate+0x214/0x340 [ 374.562247] [] call_timer_fn+0x163/0x6e0 [ 374.562253] [] ? call_timer_fn+0xda/0x6e0 [ 374.562260] [] ? debug_object_deactivate+0x214/0x340 [ 374.562265] [] ? ipv6_get_lladdr+0x440/0x440 [ 374.562271] [] ? process_timeout+0x20/0x20 [ 374.562278] [] ? expire_timers+0x226/0x580 [ 374.562284] [] ? ipv6_get_lladdr+0x440/0x440 [ 374.562290] [] expire_timers+0x234/0x580 [ 374.562296] [] ? collect_expired_timers+0x1d5/0x2b0 [ 374.562302] [] run_timer_softirq+0x208/0x5e0 [ 374.562309] [] ? expire_timers+0x580/0x580 [ 374.562317] [] ? tick_program_event+0x103/0x180 [ 374.562323] [] ? tick_setup_hrtimer_broadcast+0x40/0x40 [ 374.562331] [] ? hrtimer_interrupt+0x1d7/0x430 [ 374.562337] [] ? check_preemption_disabled+0x3b/0x200 [ 374.562346] [] __do_softirq+0x20e/0x964 [ 374.562352] [] ? check_preemption_disabled+0x3b/0x200 [ 374.562359] [] irq_exit+0x11c/0x150 [ 374.562365] [] smp_apic_timer_interrupt+0x81/0xb0 [ 374.562372] [] apic_timer_interrupt+0x9d/0xb0 [ 374.562383] [ 374.562384] [] ? console_unlock+0x7a3/0xb50 [ 374.562391] [] ? console_unlock+0x7ae/0xb50 [ 374.562398] [] ? vprintk_emit+0x28a/0x790 [ 374.562405] [] vprintk_emit+0x448/0x790 [ 374.562412] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 374.562419] [] vprintk+0x28/0x30 [ 374.562426] [] vprintk_default+0x1d/0x30 [ 374.562433] [] printk+0xaf/0xd7 [ 374.562440] [] ? log_wakeup_reason.cold.1+0x13f/0x13f [ 374.562449] [] ? _find_next_bit.part.0+0xe0/0x120 [ 374.562455] [] ? check_preemption_disabled+0x3b/0x200 [ 374.562463] [] show_free_areas.cold.32+0x4b4/0x1548 [ 374.562470] [] ? vprintk_emit+0x282/0x790 [ 374.562478] [] ? skip_free_areas_node+0x20/0x20 [ 374.562485] [] ? vprintk+0x28/0x30 [ 374.562492] [] ? vprintk_default+0x1d/0x30 [ 374.562498] [] ? printk+0xaf/0xd7 [ 374.562505] [] ? log_wakeup_reason.cold.1+0x13f/0x13f [ 374.562512] [] ? show_mem+0x1b/0x11d [ 374.562519] [] show_mem+0x2e/0x11d [ 374.562526] [] dump_header.isra.4+0x17a/0x747 [ 374.562540] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 374.562547] [] ? ___ratelimit+0x53/0x401 [ 374.562554] [] oom_kill_process.cold.10+0xd/0xa6e [ 374.562560] [] ? _raw_spin_unlock+0x2c/0x50 [ 374.562567] [] ? check_preemption_disabled+0x3b/0x200 [ 374.562573] [] ? out_of_memory+0x6d4/0xe90 [ 374.562580] [] out_of_memory+0x292/0xe90 [ 374.562586] [] ? out_of_memory+0x410/0xe90 [ 374.562593] [] ? oom_killer_disable+0x200/0x200 [ 374.562600] [] ? trace_hardirqs_on+0xd/0x10 [ 374.562607] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 374.562614] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 374.562620] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 374.562628] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 374.562635] [] ? check_preemption_disabled+0x3b/0x200 [ 374.562642] [] ? find_get_entry+0x11a/0x570 [ 374.562648] [] ? find_get_entry+0x141/0x570 [ 374.562654] [] ? page_cache_prev_hole+0x80/0x80 [ 374.562661] [] ? pagecache_get_page+0x131/0x710 [ 374.562668] [] filemap_fault+0xaf1/0x1110 [ 374.562674] [] ext4_filemap_fault+0x71/0xa0 [ 374.562680] [] __do_fault+0x223/0x500 [ 374.562686] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 374.562693] [] ? generic_file_readonly_mmap+0x190/0x190 [ 374.562699] [] handle_mm_fault+0x1326/0x2350 [ 374.562706] [] ? vm_insert_page+0x6f0/0x6f0 [ 374.562712] [] ? __might_fault+0x92/0x1d0 [ 374.562719] [] __do_page_fault+0x403/0xa60 [ 374.562728] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 374.562735] [] ? bad_area_access_error+0x3a0/0x3a0 [ 374.562744] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 374.562750] [] do_page_fault+0x27/0x30 [ 374.562756] [] page_fault+0x25/0x30 [ 374.562760] Mem-Info: [ 374.562776] active_anon:5641 inactive_anon:42 isolated_anon:0 [ 374.562776] active_file:19 inactive_file:17 isolated_file:26 [ 374.562776] unevictable:0 dirty:0 writeback:0 unstable:0 [ 374.562776] slab_reclaimable:3898 slab_unreclaimable:58579 [ 374.562776] mapped:31 shmem:48 pagetables:374 bounce:0 [ 374.562776] free:102 free_pcp:14 free_cma:0 [ 374.562789] Node 0 active_anon:22564kB inactive_anon:168kB active_file:76kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):104kB mapped:124kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:115 all_unreclaimable? no [ 374.562805] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 374.562829] Normal free:408kB min:5580kB low:9168kB high:12756kB active_anon:22564kB inactive_anon:168kB active_file:76kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15592kB slab_unreclaimable:234316kB kernel_stack:3904kB pagetables:1496kB bounce:0kB free_pcp:56kB local_pcp:36kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 374.562861] 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: 26*4kB (H) 12*8kB (H) 5*16kB (H) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 408kB 101 total pagecache pages [ 374.562897] 0 pages in swap cache [ 374.562901] Swap cache stats: add 0, delete 0, find 0/0 [ 374.562903] Free swap = 0kB [ 374.562904] Total swap = 0kB [ 374.562906] 1965979 pages RAM [ 374.562908] 0 pages HighMem/MovableOnly [ 374.562910] 313617 pages reserved [ 374.562917] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 374.562922] cache: kmalloc-96, object size: 96, buffer size: 128, default order: 0, min order: 0 [ 374.562926] node 0: slabs: 118, objs: 3776, free: 0 [ 374.563019] syz-executor.4: page allocation failure: order:0, mode:0x2280020(GFP_ATOMIC|__GFP_NOTRACK) [ 374.563025] CPU: 1 PID: 2113 Comm: syz-executor.4 Not tainted 4.9.141+ #23 [ 374.563036] ffff8801db707468 ffffffff81b42e79 1ffff1003b6e0e8f ffff8801cee44740 [ 374.563044] ffffffff82a974e0 0000000000000000 0000000002280020 ffff8801db7075b0 [ 374.563053] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 374.563054] Call Trace: [ 374.563064] [ 374.563065] [] dump_stack+0xc1/0x128 [ 374.563072] [] warn_alloc.cold.31+0x7f/0x9c [ 374.563079] [] ? zone_watermark_ok_safe+0x250/0x250 [ 374.563086] [] ? get_page_from_freelist+0x23e/0x1d80 [ 374.563094] [] ? get_stack_info+0x37/0x120 [ 374.563101] [] __alloc_pages_nodemask+0x628/0x1bd0 [ 374.563107] [] ? unwind_next_frame+0x7d/0xd0 [ 374.563115] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 374.563121] [] ? pcpu_chunk_relocate+0x257/0x4d0 [ 374.563128] [] ? pcpu_alloc_area+0x697/0xd10 [ 374.563135] [] ? pcpu_next_unpop+0x100/0x100 [ 374.563142] [] ? oom_kill_process.cold.10+0xd/0xa6e [ 374.563149] [] ? __alloc_pages_nodemask+0x18ee/0x1bd0 [ 374.563155] [] ? filemap_fault+0xaf1/0x1110 [ 374.563161] [] ? ext4_filemap_fault+0x71/0xa0 [ 374.563167] [] ? __do_fault+0x223/0x500 [ 374.563173] [] ? handle_mm_fault+0x1326/0x2350 [ 374.563179] [] ? __do_page_fault+0x403/0xa60 [ 374.563185] [] ? do_page_fault+0x27/0x30 [ 374.563192] [] new_slab+0x367/0x3d0 [ 374.563200] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 374.563207] [] ? dst_cow_metrics_generic+0x50/0x130 [ 374.563214] [] ? pcpu_populate_chunk+0x7e0/0x7e0 [ 374.563220] [] ? dst_init+0x48a/0x5b0 [ 374.563227] [] ? check_preemption_disabled+0x3b/0x200 [ 374.563233] [] ? __local_bh_enable_ip+0x6a/0xe0 [ 374.563240] [] ? dst_cow_metrics_generic+0x50/0x130 [ 374.563248] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 374.563255] [] kmem_cache_alloc_trace+0x23c/0x2e0 [ 374.563262] [] ? dst_cow_metrics_generic+0x50/0x130 [ 374.563269] [] dst_cow_metrics_generic+0x50/0x130 [ 374.563276] [] ipv6_cow_metrics+0x78/0x180 [ 374.563283] [] icmp6_dst_alloc+0x46b/0x610 [ 374.563289] [] ? ip6_blackhole_route+0x5e0/0x5e0 [ 374.563296] [] ndisc_send_skb+0xcec/0x12e0 [ 374.563303] [] ? debug_lockdep_rcu_enabled+0x75/0x90 [ 374.563310] [] ? ndisc_alloc_skb+0x330/0x330 [ 374.563315] [] ? memset+0x31/0x40 [ 374.563322] [] ? __alloc_skb+0x3ae/0x5b0 [ 374.563330] [] ? __kmalloc_reserve.isra.5+0xc0/0xc0 [ 374.563335] [] ? ipv6_get_ifaddr+0x300/0x510 [ 374.563343] [] ? __ndisc_fill_addr_option+0xeb/0x110 [ 374.563350] [] ndisc_send_rs+0x12a/0x670 [ 374.563356] [] addrconf_rs_timer+0x27e/0x5a0 [ 374.563362] [] ? ipv6_get_lladdr+0x440/0x440 [ 374.563369] [] ? debug_object_deactivate+0x214/0x340 [ 374.563374] [] ? call_timer_fn+0x18d/0x6e0 [ 374.563381] [] call_timer_fn+0x163/0x6e0 [ 374.563387] [] ? call_timer_fn+0xda/0x6e0 [ 374.563393] [] ? debug_object_deactivate+0x214/0x340 [ 374.563399] [] ? ipv6_get_lladdr+0x440/0x440 [ 374.563405] [] ? process_timeout+0x20/0x20 [ 374.563411] [] ? expire_timers+0x226/0x580 [ 374.563417] [] ? ipv6_get_lladdr+0x440/0x440 [ 374.563423] [] expire_timers+0x234/0x580 [ 374.563429] [] ? collect_expired_timers+0x1d5/0x2b0 [ 374.563436] [] run_timer_softirq+0x208/0x5e0 [ 374.563442] [] ? expire_timers+0x580/0x580 [ 374.563448] [] ? tick_program_event+0x103/0x180 [ 374.563455] [] ? tick_setup_hrtimer_broadcast+0x40/0x40 [ 374.563462] [] ? hrtimer_interrupt+0x1d7/0x430 [ 374.563469] [] ? check_preemption_disabled+0x3b/0x200 [ 374.563476] [] __do_softirq+0x20e/0x964 [ 374.563482] [] ? check_preemption_disabled+0x3b/0x200 [ 374.563489] [] irq_exit+0x11c/0x150 [ 374.563495] [] smp_apic_timer_interrupt+0x81/0xb0 [ 374.563502] [] apic_timer_interrupt+0x9d/0xb0 [ 374.563511] [ 374.563512] [] ? console_unlock+0x7a3/0xb50 [ 374.563518] [] ? console_unlock+0x7ae/0xb50 [ 374.563526] [] ? vprintk_emit+0x28a/0x790 [ 374.563540] [] vprintk_emit+0x448/0x790 [ 374.563547] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 374.563554] [] vprintk+0x28/0x30 [ 374.563561] [] vprintk_default+0x1d/0x30 [ 374.563568] [] printk+0xaf/0xd7 [ 374.563575] [] ? log_wakeup_reason.cold.1+0x13f/0x13f [ 374.563582] [] ? _find_next_bit.part.0+0xe0/0x120 [ 374.563588] [] ? check_preemption_disabled+0x3b/0x200 [ 374.563596] [] show_free_areas.cold.32+0x4b4/0x1548 [ 374.563603] [] ? vprintk_emit+0x282/0x790 [ 374.563611] [] ? skip_free_areas_node+0x20/0x20 [ 374.563618] [] ? vprintk+0x28/0x30 [ 374.563625] [] ? vprintk_default+0x1d/0x30 [ 374.563631] [] ? printk+0xaf/0xd7 [ 374.563638] [] ? log_wakeup_reason.cold.1+0x13f/0x13f [ 374.563645] [] ? show_mem+0x1b/0x11d [ 374.563651] [] show_mem+0x2e/0x11d [ 374.563658] [] dump_header.isra.4+0x17a/0x747 [ 374.563664] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 374.563670] [] ? ___ratelimit+0x53/0x401 [ 374.563677] [] oom_kill_process.cold.10+0xd/0xa6e [ 374.563684] [] ? _raw_spin_unlock+0x2c/0x50 [ 374.563691] [] ? check_preemption_disabled+0x3b/0x200 [ 374.563697] [] ? out_of_memory+0x6d4/0xe90 [ 374.563704] [] out_of_memory+0x292/0xe90 [ 374.563710] [] ? out_of_memory+0x410/0xe90 [ 374.563717] [] ? oom_killer_disable+0x200/0x200 [ 374.563723] [] ? trace_hardirqs_on+0xd/0x10 [ 374.563730] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 374.563737] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 374.563743] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 374.563751] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 374.563758] [] ? check_preemption_disabled+0x3b/0x200 [ 374.563764] [] ? find_get_entry+0x11a/0x570 [ 374.563770] [] ? find_get_entry+0x141/0x570 [ 374.563776] [] ? page_cache_prev_hole+0x80/0x80 [ 374.563783] [] ? pagecache_get_page+0x131/0x710 [ 374.563790] [] filemap_fault+0xaf1/0x1110 [ 374.563796] [] ext4_filemap_fault+0x71/0xa0 [ 374.563802] [] __do_fault+0x223/0x500 [ 374.563809] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 374.563816] [] ? generic_file_readonly_mmap+0x190/0x190 [ 374.563822] [] handle_mm_fault+0x1326/0x2350 [ 374.563828] [] ? vm_insert_page+0x6f0/0x6f0 [ 374.563835] [] ? __might_fault+0x92/0x1d0 [ 374.563842] [] __do_page_fault+0x403/0xa60 [ 374.563849] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 374.563856] [] ? bad_area_access_error+0x3a0/0x3a0 [ 374.563863] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 374.563870] [] do_page_fault+0x27/0x30 [ 374.563876] [] page_fault+0x25/0x30 [ 374.563878] Mem-Info: [ 374.563893] active_anon:5641 inactive_anon:42 isolated_anon:0 [ 374.563893] active_file:19 inactive_file:17 isolated_file:26 [ 374.563893] unevictable:0 dirty:0 writeback:0 unstable:0 [ 374.563893] slab_reclaimable:3898 slab_unreclaimable:58579 [ 374.563893] mapped:31 shmem:48 pagetables:374 bounce:0 [ 374.563893] free:102 free_pcp:14 free_cma:0 [ 374.563905] Node 0 active_anon:22564kB inactive_anon:168kB active_file:76kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):104kB mapped:124kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:115 all_unreclaimable? no [ 374.563920] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 374.563943] Normal free:408kB min:5580kB low:9168kB high:12756kB active_anon:22564kB inactive_anon:168kB active_file:76kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15592kB slab_unreclaimable:234316kB kernel_stack:3904kB pagetables:1496kB bounce:0kB free_pcp:56kB local_pcp:36kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 374.563974] 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: 26*4kB (H) 12*8kB (H) 5*16kB (H) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 408kB 101 total pagecache pages [ 374.564009] 0 pages in swap cache [ 374.564012] Swap cache stats: add 0, delete 0, find 0/0 [ 374.564014] Free swap = 0kB [ 374.564016] Total swap = 0kB [ 374.564018] 1965979 pages RAM [ 374.564020] 0 pages HighMem/MovableOnly [ 374.564021] 313617 pages reserved [ 374.564026] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 374.564031] cache: kmalloc-96, object size: 96, buffer size: 128, default order: 0, min order: 0 [ 374.564035] node 0: slabs: 118, objs: 3776, free: 0 [ 374.638895] syz-executor.4: page allocation failure: order:0, mode:0x2280020(GFP_ATOMIC|__GFP_NOTRACK) [ 374.638906] CPU: 1 PID: 2113 Comm: syz-executor.4 Not tainted 4.9.141+ #23 [ 374.638921] ffff8801db707468 ffffffff81b42e79 1ffff1003b6e0e8f ffff8801cee44740 [ 374.638931] ffffffff82a974e0 0000000000000000 0000000002280020 ffff8801db7075b0 [ 374.638941] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 374.638942] Call Trace: [ 374.638960] [ 374.638961] [] dump_stack+0xc1/0x128 [ 374.638970] [] warn_alloc.cold.31+0x7f/0x9c [ 374.638979] [] ? zone_watermark_ok_safe+0x250/0x250 [ 374.639003] [] ? get_page_from_freelist+0x23e/0x1d80 [ 374.639012] [] ? get_stack_info+0x37/0x120 [ 374.639020] [] __alloc_pages_nodemask+0x628/0x1bd0 [ 374.639028] [] ? unwind_next_frame+0x7d/0xd0 [ 374.639035] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 374.639043] [] ? pcpu_chunk_relocate+0x257/0x4d0 [ 374.639050] [] ? pcpu_alloc_area+0x697/0xd10 [ 374.639058] [] ? pcpu_next_unpop+0x100/0x100 [ 374.639065] [] ? oom_kill_process.cold.10+0xd/0xa6e [ 374.639072] [] ? __alloc_pages_nodemask+0x18ee/0x1bd0 [ 374.639079] [] ? filemap_fault+0xaf1/0x1110 [ 374.639087] [] ? ext4_filemap_fault+0x71/0xa0 [ 374.639093] [] ? __do_fault+0x223/0x500 [ 374.639101] [] ? handle_mm_fault+0x1326/0x2350 [ 374.639107] [] ? __do_page_fault+0x403/0xa60 [ 374.639114] [] ? do_page_fault+0x27/0x30 [ 374.639122] [] new_slab+0x367/0x3d0 [ 374.639130] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 374.639139] [] ? dst_cow_metrics_generic+0x50/0x130 [ 374.639146] [] ? pcpu_populate_chunk+0x7e0/0x7e0 [ 374.639153] [] ? dst_init+0x48a/0x5b0 [ 374.639162] [] ? check_preemption_disabled+0x3b/0x200 [ 374.639170] [] ? __local_bh_enable_ip+0x6a/0xe0 [ 374.639177] [] ? dst_cow_metrics_generic+0x50/0x130 [ 374.639185] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 374.639193] [] kmem_cache_alloc_trace+0x23c/0x2e0 [ 374.639200] [] ? dst_cow_metrics_generic+0x50/0x130 [ 374.639208] [] dst_cow_metrics_generic+0x50/0x130 [ 374.639216] [] ipv6_cow_metrics+0x78/0x180 [ 374.639223] [] icmp6_dst_alloc+0x46b/0x610 [ 374.639230] [] ? ip6_blackhole_route+0x5e0/0x5e0 [ 374.639239] [] ndisc_send_skb+0xcec/0x12e0 [ 374.639246] [] ? debug_lockdep_rcu_enabled+0x75/0x90 [ 374.639254] [] ? ndisc_alloc_skb+0x330/0x330 [ 374.639260] [] ? memset+0x31/0x40 [ 374.639269] [] ? __alloc_skb+0x3ae/0x5b0 [ 374.639276] [] ? __kmalloc_reserve.isra.5+0xc0/0xc0 [ 374.639283] [] ? ipv6_get_ifaddr+0x300/0x510 [ 374.639291] [] ? __ndisc_fill_addr_option+0xeb/0x110 [ 374.639298] [] ndisc_send_rs+0x12a/0x670 [ 374.639305] [] addrconf_rs_timer+0x27e/0x5a0 [ 374.639311] [] ? ipv6_get_lladdr+0x440/0x440 [ 374.639319] [] ? debug_object_deactivate+0x214/0x340 [ 374.639326] [] call_timer_fn+0x163/0x6e0 [ 374.639333] [] ? call_timer_fn+0xda/0x6e0 [ 374.639340] [] ? debug_object_deactivate+0x214/0x340 [ 374.639346] [] ? ipv6_get_lladdr+0x440/0x440 [ 374.639352] [] ? process_timeout+0x20/0x20 [ 374.639359] [] ? expire_timers+0x226/0x580 [ 374.639365] [] ? ipv6_get_lladdr+0x440/0x440 [ 374.639372] [] expire_timers+0x234/0x580 [ 374.639378] [] ? collect_expired_timers+0x1d5/0x2b0 [ 374.639385] [] run_timer_softirq+0x208/0x5e0 [ 374.639392] [] ? expire_timers+0x580/0x580 [ 374.639400] [] ? tick_program_event+0x103/0x180 [ 374.639407] [] ? tick_setup_hrtimer_broadcast+0x40/0x40 [ 374.639414] [] ? hrtimer_interrupt+0x1d7/0x430 [ 374.639422] [] ? check_preemption_disabled+0x3b/0x200 [ 374.639431] [] __do_softirq+0x20e/0x964 [ 374.639438] [] ? check_preemption_disabled+0x3b/0x200 [ 374.639444] [] irq_exit+0x11c/0x150 [ 374.639452] [] smp_apic_timer_interrupt+0x81/0xb0 [ 374.639459] [] apic_timer_interrupt+0x9d/0xb0 [ 374.639470] [ 374.639471] [] ? console_unlock+0x7a3/0xb50 [ 374.639478] [] ? console_unlock+0x7ae/0xb50 [ 374.639486] [] ? vprintk_emit+0x282/0x790 [ 374.639493] [] vprintk_emit+0x448/0x790 [ 374.639501] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 374.639508] [] vprintk+0x28/0x30 [ 374.639516] [] vprintk_default+0x1d/0x30 [ 374.639524] [] printk+0xaf/0xd7 [ 374.639531] [] ? log_wakeup_reason.cold.1+0x13f/0x13f [ 374.639547] [] ? _find_next_bit.part.0+0xe0/0x120 [ 374.639554] [] ? check_preemption_disabled+0x3b/0x200 [ 374.639561] [] show_free_areas.cold.32+0x4b4/0x1548 [ 374.639570] [] ? vprintk_emit+0x282/0x790 [ 374.639578] [] ? skip_free_areas_node+0x20/0x20 [ 374.639585] [] ? vprintk+0x28/0x30 [ 374.639592] [] ? vprintk_default+0x1d/0x30 [ 374.639599] [] ? printk+0xaf/0xd7 [ 374.639607] [] ? log_wakeup_reason.cold.1+0x13f/0x13f [ 374.639614] [] ? show_mem+0x1b/0x11d [ 374.639621] [] show_mem+0x2e/0x11d [ 374.639628] [] dump_header.isra.4+0x17a/0x747 [ 374.639635] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 374.639642] [] ? ___ratelimit+0x53/0x401 [ 374.639649] [] oom_kill_process.cold.10+0xd/0xa6e [ 374.639656] [] ? _raw_spin_unlock+0x2c/0x50 [ 374.639663] [] ? check_preemption_disabled+0x3b/0x200 [ 374.639670] [] ? out_of_memory+0x6d4/0xe90 [ 374.639677] [] out_of_memory+0x292/0xe90 [ 374.639684] [] ? out_of_memory+0x410/0xe90 [ 374.639691] [] ? oom_killer_disable+0x200/0x200 [ 374.639698] [] ? trace_hardirqs_on+0xd/0x10 [ 374.639706] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 374.639713] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 374.639720] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 374.639728] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 374.639736] [] ? check_preemption_disabled+0x3b/0x200 [ 374.639743] [] ? find_get_entry+0x11a/0x570 [ 374.639749] [] ? find_get_entry+0x141/0x570 [ 374.639756] [] ? page_cache_prev_hole+0x80/0x80 [ 374.639763] [] ? pagecache_get_page+0x131/0x710 [ 374.639770] [] filemap_fault+0xaf1/0x1110 [ 374.639778] [] ext4_filemap_fault+0x71/0xa0 [ 374.639784] [] __do_fault+0x223/0x500 [ 374.639791] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 374.639798] [] ? generic_file_readonly_mmap+0x190/0x190 [ 374.639805] [] handle_mm_fault+0x1326/0x2350 [ 374.639812] [] ? vm_insert_page+0x6f0/0x6f0 [ 374.639818] [] ? __might_fault+0x92/0x1d0 [ 374.639826] [] __do_page_fault+0x403/0xa60 [ 374.639835] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 374.639842] [] ? bad_area_access_error+0x3a0/0x3a0 [ 374.639852] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 374.639858] [] do_page_fault+0x27/0x30 [ 374.639865] [] page_fault+0x25/0x30 [ 374.639868] Mem-Info: [ 374.639886] active_anon:5641 inactive_anon:42 isolated_anon:0 [ 374.639886] active_file:19 inactive_file:17 isolated_file:26 [ 374.639886] unevictable:0 dirty:0 writeback:0 unstable:0 [ 374.639886] slab_reclaimable:3898 slab_unreclaimable:58579 [ 374.639886] mapped:31 shmem:48 pagetables:374 bounce:0 [ 374.639886] free:102 free_pcp:14 free_cma:0 [ 374.639899] Node 0 active_anon:22564kB inactive_anon:168kB active_file:76kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):104kB mapped:124kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:115 all_unreclaimable? no [ 374.639917] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 374.639942] Normal free:408kB min:5580kB low:9168kB high:12756kB active_anon:22564kB inactive_anon:168kB active_file:76kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15592kB slab_unreclaimable:234316kB kernel_stack:3904kB pagetables:1496kB bounce:0kB free_pcp:56kB local_pcp:36kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 374.639976] 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: 26*4kB (H) 12*8kB (H) 5*16kB (H) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 408kB 101 total pagecache pages [ 374.640014] 0 pages in swap cache [ 374.640018] Swap cache stats: add 0, delete 0, find 0/0 [ 374.640020] Free swap = 0kB [ 374.640022] Total swap = 0kB [ 374.640024] 1965979 pages RAM [ 374.640026] 0 pages HighMem/MovableOnly [ 374.640028] 313617 pages reserved [ 374.640034] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 374.640039] cache: kmalloc-96, object size: 96, buffer size: 128, default order: 0, min order: 0 [ 374.640044] node 0: slabs: 118, objs: 3776, free: 0 [ 374.640138] syz-executor.4: page allocation failure: order:0, mode:0x2280020(GFP_ATOMIC|__GFP_NOTRACK) [ 374.640144] CPU: 1 PID: 2113 Comm: syz-executor.4 Not tainted 4.9.141+ #23 [ 374.640155] ffff8801db707468 ffffffff81b42e79 1ffff1003b6e0e8f ffff8801cee44740 [ 374.640165] ffffffff82a974e0 0000000000000000 0000000002280020 ffff8801db7075b0 [ 374.640175] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 374.640176] Call Trace: [ 374.640186] [ 374.640187] [] dump_stack+0xc1/0x128 [ 374.640194] [] warn_alloc.cold.31+0x7f/0x9c [ 374.640202] [] ? zone_watermark_ok_safe+0x250/0x250 [ 374.640210] [] ? get_page_from_freelist+0x23e/0x1d80 [ 374.640218] [] ? get_stack_info+0x37/0x120 [ 374.640226] [] __alloc_pages_nodemask+0x628/0x1bd0 [ 374.640232] [] ? unwind_next_frame+0x7d/0xd0 [ 374.640241] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 374.640247] [] ? pcpu_chunk_relocate+0x257/0x4d0 [ 374.640254] [] ? pcpu_alloc_area+0x697/0xd10 [ 374.640262] [] ? pcpu_next_unpop+0x100/0x100 [ 374.640269] [] ? oom_kill_process.cold.10+0xd/0xa6e [ 374.640276] [] ? __alloc_pages_nodemask+0x18ee/0x1bd0 [ 374.640283] [] ? filemap_fault+0xaf1/0x1110 [ 374.640289] [] ? ext4_filemap_fault+0x71/0xa0 [ 374.640296] [] ? __do_fault+0x223/0x500 [ 374.640303] [] ? handle_mm_fault+0x1326/0x2350 [ 374.640309] [] ? __do_page_fault+0x403/0xa60 [ 374.640315] [] ? do_page_fault+0x27/0x30 [ 374.640323] [] new_slab+0x367/0x3d0 [ 374.640331] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 374.640338] [] ? dst_cow_metrics_generic+0x50/0x130 [ 374.640345] [] ? pcpu_populate_chunk+0x7e0/0x7e0 [ 374.640352] [] ? dst_init+0x48a/0x5b0 [ 374.640360] [] ? check_preemption_disabled+0x3b/0x200 [ 374.640366] [] ? __local_bh_enable_ip+0x6a/0xe0 [ 374.640374] [] ? dst_cow_metrics_generic+0x50/0x130 [ 374.640382] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 374.640390] [] kmem_cache_alloc_trace+0x23c/0x2e0 [ 374.640397] [] ? dst_cow_metrics_generic+0x50/0x130 [ 374.640405] [] dst_cow_metrics_generic+0x50/0x130 [ 374.640412] [] ipv6_cow_metrics+0x78/0x180 [ 374.640419] [] icmp6_dst_alloc+0x46b/0x610 [ 374.640426] [] ? ip6_blackhole_route+0x5e0/0x5e0 [ 374.640433] [] ndisc_send_skb+0xcec/0x12e0 [ 374.640440] [] ? debug_lockdep_rcu_enabled+0x75/0x90 [ 374.640448] [] ? ndisc_alloc_skb+0x330/0x330 [ 374.640454] [] ? memset+0x31/0x40 [ 374.640461] [] ? __alloc_skb+0x3ae/0x5b0 [ 374.640469] [] ? __kmalloc_reserve.isra.5+0xc0/0xc0 [ 374.640475] [] ? ipv6_get_ifaddr+0x300/0x510 [ 374.640483] [] ? __ndisc_fill_addr_option+0xeb/0x110 [ 374.640491] [] ndisc_send_rs+0x12a/0x670 [ 374.640497] [] addrconf_rs_timer+0x27e/0x5a0 [ 374.640504] [] ? ipv6_get_lladdr+0x440/0x440 [ 374.640511] [] ? debug_object_deactivate+0x214/0x340 [ 374.640517] [] ? call_timer_fn+0x18d/0x6e0 [ 374.640524] [] call_timer_fn+0x163/0x6e0 [ 374.640530] [] ? call_timer_fn+0xda/0x6e0 [ 374.640546] [] ? debug_object_deactivate+0x214/0x340 [ 374.640552] [] ? ipv6_get_lladdr+0x440/0x440 [ 374.640558] [] ? process_timeout+0x20/0x20 [ 374.640565] [] ? expire_timers+0x226/0x580 [ 374.640572] [] ? ipv6_get_lladdr+0x440/0x440 [ 374.640578] [] expire_timers+0x234/0x580 [ 374.640585] [] ? collect_expired_timers+0x1d5/0x2b0 [ 374.640591] [] run_timer_softirq+0x208/0x5e0 [ 374.640598] [] ? expire_timers+0x580/0x580 [ 374.640605] [] ? tick_program_event+0x103/0x180 [ 374.640613] [] ? tick_setup_hrtimer_broadcast+0x40/0x40 [ 374.640619] [] ? hrtimer_interrupt+0x1d7/0x430 [ 374.640627] [] ? check_preemption_disabled+0x3b/0x200 [ 374.640634] [] __do_softirq+0x20e/0x964 [ 374.640641] [] ? check_preemption_disabled+0x3b/0x200 [ 374.640648] [] irq_exit+0x11c/0x150 [ 374.640655] [] smp_apic_timer_interrupt+0x81/0xb0 [ 374.640662] [] apic_timer_interrupt+0x9d/0xb0 [ 374.640672] [ 374.640672] [] ? console_unlock+0x7a3/0xb50 [ 374.640680] [] ? console_unlock+0x7ae/0xb50 [ 374.640687] [] ? vprintk_emit+0x282/0x790 [ 374.640695] [] vprintk_emit+0x448/0x790 [ 374.640702] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 374.640709] [] vprintk+0x28/0x30 [ 374.640717] [] vprintk_default+0x1d/0x30 [ 374.640724] [] printk+0xaf/0xd7 [ 374.640731] [] ? log_wakeup_reason.cold.1+0x13f/0x13f [ 374.640739] [] ? _find_next_bit.part.0+0xe0/0x120 [ 374.640746] [] ? check_preemption_disabled+0x3b/0x200 [ 374.640754] [] show_free_areas.cold.32+0x4b4/0x1548 [ 374.640761] [] ? vprintk_emit+0x282/0x790 [ 374.640770] [] ? skip_free_areas_node+0x20/0x20 [ 374.640777] [] ? vprintk+0x28/0x30 [ 374.640784] [] ? vprintk_default+0x1d/0x30 [ 374.640791] [] ? printk+0xaf/0xd7 [ 374.640799] [] ? log_wakeup_reason.cold.1+0x13f/0x13f [ 374.640806] [] ? show_mem+0x1b/0x11d [ 374.640812] [] show_mem+0x2e/0x11d [ 374.640820] [] dump_header.isra.4+0x17a/0x747 [ 374.640826] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 374.640833] [] ? ___ratelimit+0x53/0x401 [ 374.640840] [] oom_kill_process.cold.10+0xd/0xa6e [ 374.640847] [] ? _raw_spin_unlock+0x2c/0x50 [ 374.640854] [] ? check_preemption_disabled+0x3b/0x200 [ 374.640861] [] ? out_of_memory+0x6d4/0xe90 [ 374.640868] [] out_of_memory+0x292/0xe90 [ 374.640875] [] ? out_of_memory+0x410/0xe90 [ 374.640882] [] ? oom_killer_disable+0x200/0x200 [ 374.640889] [] ? trace_hardirqs_on+0xd/0x10 [ 374.640896] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 374.640904] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 374.640911] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 374.640919] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 374.640927] [] ? check_preemption_disabled+0x3b/0x200 [ 374.640933] [] ? find_get_entry+0x11a/0x570 [ 374.640940] [] ? find_get_entry+0x141/0x570 [ 374.640947] [] ? page_cache_prev_hole+0x80/0x80 [ 374.640954] [] ? pagecache_get_page+0x131/0x710 [ 374.640961] [] filemap_fault+0xaf1/0x1110 [ 374.640968] [] ext4_filemap_fault+0x71/0xa0 [ 374.640975] [] __do_fault+0x223/0x500 [ 374.640981] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 374.640989] [] ? generic_file_readonly_mmap+0x190/0x190 [ 374.640996] [] handle_mm_fault+0x1326/0x2350 [ 374.641002] [] ? vm_insert_page+0x6f0/0x6f0 [ 374.641009] [] ? __might_fault+0x92/0x1d0 [ 374.641017] [] __do_page_fault+0x403/0xa60 [ 374.641025] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 374.641032] [] ? bad_area_access_error+0x3a0/0x3a0 [ 374.641039] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 374.641046] [] do_page_fault+0x27/0x30 [ 374.641052] [] page_fault+0x25/0x30 [ 374.641055] Mem-Info: [ 374.641070] active_anon:5641 inactive_anon:42 isolated_anon:0 [ 374.641070] active_file:19 inactive_file:17 isolated_file:26 [ 374.641070] unevictable:0 dirty:0 writeback:0 unstable:0 [ 374.641070] slab_reclaimable:3898 slab_unreclaimable:58579 [ 374.641070] mapped:31 shmem:48 pagetables:374 bounce:0 [ 374.641070] free:102 free_pcp:14 free_cma:0 [ 374.641083] Node 0 active_anon:22564kB inactive_anon:168kB active_file:76kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):104kB mapped:124kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:115 all_unreclaimable? no [ 374.641099] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 374.641123] Normal free:408kB min:5580kB low:9168kB high:12756kB active_anon:22564kB inactive_anon:168kB active_file:76kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15592kB slab_unreclaimable:234316kB kernel_stack:3904kB pagetables:1496kB bounce:0kB free_pcp:56kB local_pcp:36kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 374.641157] 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: 26*4kB (H) 12*8kB (H) 5*16kB (H) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 408kB 101 total pagecache pages [ 374.641194] 0 pages in swap cache [ 374.641198] Swap cache stats: add 0, delete 0, find 0/0 [ 374.641200] Free swap = 0kB [ 374.641202] Total swap = 0kB [ 374.641204] 1965979 pages RAM [ 374.641206] 0 pages HighMem/MovableOnly [ 374.641208] 313617 pages reserved [ 374.641213] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 374.641218] cache: kmalloc-96, object size: 96, buffer size: 128, default order: 0, min order: 0 [ 374.641222] node 0: slabs: 118, objs: 3776, free: 0 [ 374.712028] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 374.712028] to free 76kB on behalf of 'kswapd0' (33) because [ 374.712028] cache 212kB is below limit 6144kB for oom_score_adj 0 [ 374.712028] Free memory is -37096kB above reserved [ 374.718447] syz-executor.4: page allocation failure: order:0, mode:0x2280020(GFP_ATOMIC|__GFP_NOTRACK) [ 374.718456] CPU: 1 PID: 2113 Comm: syz-executor.4 Not tainted 4.9.141+ #23 [ 374.718471] ffff8801db7075c8 ffffffff81b42e79 1ffff1003b6e0ebb ffff8801cee44740 [ 374.718481] ffffffff82a974e0 0000000000000000 0000000002280020 ffff8801db707710 [ 374.718491] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 374.718493] Call Trace: [ 374.718511] [ 374.718511] [] dump_stack+0xc1/0x128 [ 374.718520] [] warn_alloc.cold.31+0x7f/0x9c [ 374.718530] [] ? zone_watermark_ok_safe+0x250/0x250 [ 374.718543] [] ? trace_hardirqs_on+0xd/0x10 [ 374.718552] [] ? get_page_from_freelist+0x23e/0x1d80 [ 374.718560] [] __alloc_pages_nodemask+0x628/0x1bd0 [ 374.718568] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 374.718578] [] ? ip6_forward_finish+0x4a0/0x4a0 [ 374.718585] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 374.718593] [] ? cpuacct_charge+0x1db/0x360 [ 374.718602] [] new_slab+0x367/0x3d0 [ 374.718611] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 374.718619] [] ? __alloc_skb+0xe6/0x5b0 [ 374.718628] [] ? check_preemption_disabled+0x3b/0x200 [ 374.718636] [] ? __alloc_skb+0xe6/0x5b0 [ 374.718644] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 374.718651] [] ? __alloc_skb+0xe6/0x5b0 [ 374.718658] [] kmem_cache_alloc+0x212/0x2b0 [ 374.718665] [] __alloc_skb+0xe6/0x5b0 [ 374.718673] [] ? __kmalloc_reserve.isra.5+0xc0/0xc0 [ 374.718680] [] ? ipv6_get_ifaddr+0x300/0x510 [ 374.718686] [] ? trace_hardirqs_on+0xd/0x10 [ 374.718694] [] ? __local_bh_enable_ip+0x6a/0xe0 [ 374.718703] [] ndisc_alloc_skb+0x144/0x330 [ 374.718711] [] ndisc_send_rs+0x2ff/0x670 [ 374.718717] [] ? __ipv6_get_lladdr+0x250/0x250 [ 374.718724] [] addrconf_rs_timer+0x27e/0x5a0 [ 374.718730] [] ? ipv6_get_lladdr+0x440/0x440 [ 374.718738] [] ? debug_object_deactivate+0x214/0x340 [ 374.718746] [] call_timer_fn+0x163/0x6e0 [ 374.718752] [] ? call_timer_fn+0xda/0x6e0 [ 374.718759] [] ? debug_object_deactivate+0x214/0x340 [ 374.718766] [] ? ipv6_get_lladdr+0x440/0x440 [ 374.718772] [] ? process_timeout+0x20/0x20 [ 374.718779] [] ? expire_timers+0x226/0x580 [ 374.718786] [] ? ipv6_get_lladdr+0x440/0x440 [ 374.718792] [] expire_timers+0x234/0x580 [ 374.718798] [] ? collect_expired_timers+0x1d5/0x2b0 [ 374.718805] [] run_timer_softirq+0x208/0x5e0 [ 374.718812] [] ? expire_timers+0x580/0x580 [ 374.718820] [] ? tick_program_event+0x103/0x180 [ 374.718827] [] ? tick_setup_hrtimer_broadcast+0x40/0x40 [ 374.718835] [] ? hrtimer_interrupt+0x1d7/0x430 [ 374.718842] [] ? check_preemption_disabled+0x3b/0x200 [ 374.718851] [] __do_softirq+0x20e/0x964 [ 374.718858] [] ? check_preemption_disabled+0x3b/0x200 [ 374.718865] [] irq_exit+0x11c/0x150 [ 374.718872] [] smp_apic_timer_interrupt+0x81/0xb0 [ 374.718879] [] apic_timer_interrupt+0x9d/0xb0 [ 374.718890] [ 374.718890] [] ? console_unlock+0x7a3/0xb50 [ 374.718898] [] ? console_unlock+0x7ae/0xb50 [ 374.718906] [] ? vprintk_emit+0x282/0x790 [ 374.718913] [] vprintk_emit+0x448/0x790 [ 374.718921] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 374.718928] [] vprintk+0x28/0x30 [ 374.718935] [] vprintk_default+0x1d/0x30 [ 374.718943] [] printk+0xaf/0xd7 [ 374.718951] [] ? log_wakeup_reason.cold.1+0x13f/0x13f [ 374.718960] [] ? _find_next_bit.part.0+0xe0/0x120 [ 374.718967] [] ? check_preemption_disabled+0x3b/0x200 [ 374.718975] [] show_free_areas.cold.32+0x4b4/0x1548 [ 374.718983] [] ? vprintk_emit+0x282/0x790 [ 374.719005] [] ? skip_free_areas_node+0x20/0x20 [ 374.719013] [] ? vprintk+0x28/0x30 [ 374.719020] [] ? vprintk_default+0x1d/0x30 [ 374.719027] [] ? printk+0xaf/0xd7 [ 374.719034] [] ? log_wakeup_reason.cold.1+0x13f/0x13f [ 374.719043] [] ? show_mem+0x1b/0x11d [ 374.719049] [] show_mem+0x2e/0x11d [ 374.719057] [] dump_header.isra.4+0x17a/0x747 [ 374.719063] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 374.719070] [] ? ___ratelimit+0x53/0x401 [ 374.719078] [] oom_kill_process.cold.10+0xd/0xa6e [ 374.719084] [] ? _raw_spin_unlock+0x2c/0x50 [ 374.719091] [] ? check_preemption_disabled+0x3b/0x200 [ 374.719098] [] ? out_of_memory+0x6d4/0xe90 [ 374.719105] [] out_of_memory+0x292/0xe90 [ 374.719112] [] ? out_of_memory+0x410/0xe90 [ 374.719119] [] ? oom_killer_disable+0x200/0x200 [ 374.719126] [] ? trace_hardirqs_on+0xd/0x10 [ 374.719134] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 374.719141] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 374.719148] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 374.719156] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 374.719164] [] ? check_preemption_disabled+0x3b/0x200 [ 374.719171] [] ? find_get_entry+0x11a/0x570 [ 374.719178] [] ? find_get_entry+0x141/0x570 [ 374.719184] [] ? page_cache_prev_hole+0x80/0x80 [ 374.719192] [] ? pagecache_get_page+0x131/0x710 [ 374.719199] [] filemap_fault+0xaf1/0x1110 [ 374.719208] [] ext4_filemap_fault+0x71/0xa0 [ 374.719214] [] __do_fault+0x223/0x500 [ 374.719221] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 374.719229] [] ? generic_file_readonly_mmap+0x190/0x190 [ 374.719236] [] handle_mm_fault+0x1326/0x2350 [ 374.719243] [] ? vm_insert_page+0x6f0/0x6f0 [ 374.719249] [] ? __might_fault+0x92/0x1d0 [ 374.719258] [] __do_page_fault+0x403/0xa60 [ 374.719267] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 374.719274] [] ? bad_area_access_error+0x3a0/0x3a0 [ 374.719284] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 374.719290] [] do_page_fault+0x27/0x30 [ 374.719297] [] page_fault+0x25/0x30 [ 374.719300] Mem-Info: [ 374.719317] active_anon:5641 inactive_anon:42 isolated_anon:0 [ 374.719317] active_file:19 inactive_file:17 isolated_file:26 [ 374.719317] unevictable:0 dirty:0 writeback:0 unstable:0 [ 374.719317] slab_reclaimable:3898 slab_unreclaimable:58579 [ 374.719317] mapped:31 shmem:48 pagetables:374 bounce:0 [ 374.719317] free:102 free_pcp:0 free_cma:0 [ 374.719330] Node 0 active_anon:22564kB inactive_anon:168kB active_file:76kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):104kB mapped:124kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 374.719348] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 374.719372] Normal free:408kB min:5580kB low:9168kB high:12756kB active_anon:22564kB inactive_anon:168kB active_file:76kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15592kB slab_unreclaimable:234316kB kernel_stack:3904kB pagetables:1496kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 374.719407] 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: 40*4kB (MH) 12*8kB (H) 5*16kB (H) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 464kB 101 total pagecache pages [ 374.719445] 0 pages in swap cache [ 374.719449] Swap cache stats: add 0, delete 0, find 0/0 [ 374.719451] Free swap = 0kB [ 374.719453] Total swap = 0kB [ 374.719455] 1965979 pages RAM [ 374.719457] 0 pages HighMem/MovableOnly [ 374.719459] 313617 pages reserved [ 374.719465] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 374.719470] cache: skbuff_head_cache, object size: 224, buffer size: 320, default order: 0, min order: 0 [ 374.719475] node 0: slabs: 591, objs: 7092, free: 0 [ 374.719480] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 374.719499] syz-executor.4: page allocation failure: order:0, mode:0x2280020(GFP_ATOMIC|__GFP_NOTRACK) [ 374.719505] CPU: 1 PID: 2113 Comm: syz-executor.4 Not tainted 4.9.141+ #23 [ 374.719517] ffff8801db7075c8 ffffffff81b42e79 1ffff1003b6e0ebb ffff8801cee44740 [ 374.719526] ffffffff82a974e0 0000000000000000 0000000002280020 ffff8801db707710 [ 374.719542] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 374.719544] Call Trace: [ 374.719554] [ 374.719554] [] dump_stack+0xc1/0x128 [ 374.719562] [] warn_alloc.cold.31+0x7f/0x9c [ 374.719569] [] ? zone_watermark_ok_safe+0x250/0x250 [ 374.719577] [] ? get_page_from_freelist+0x23e/0x1d80 [ 374.719586] [] __alloc_pages_nodemask+0x628/0x1bd0 [ 374.719595] [] ? kvm_sched_clock_read+0x9/0x20 [ 374.719603] [] ? sched_clock+0x9/0x10 [ 374.719610] [] ? down_trylock+0x50/0x70 [ 374.719618] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 374.719625] [] ? console_trylock+0x2b/0x150 [ 374.719633] [] ? vprintk_emit+0x272/0x790 [ 374.719640] [] ? format_decode+0x1b1/0x9e0 [ 374.719648] [] ? set_precision+0x170/0x170 [ 374.719655] [] ? vprintk_default+0x1d/0x30 [ 374.719662] [] new_slab+0x367/0x3d0 [ 374.719671] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 374.719678] [] ? __alloc_skb+0xe6/0x5b0 [ 374.719685] [] ? vprintk_emit+0x2b3/0x790 [ 374.719692] [] ? debug_object_activate+0x32d/0x4e0 [ 374.719699] [] ? console_trylock+0x2b/0x150 [ 374.719707] [] ? check_preemption_disabled+0x3b/0x200 [ 374.719714] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 374.719721] [] ? __alloc_skb+0xe6/0x5b0 [ 374.719729] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 374.719736] [] ? __alloc_skb+0xe6/0x5b0 [ 374.719743] [] kmem_cache_alloc+0x212/0x2b0 [ 374.719750] [] __alloc_skb+0xe6/0x5b0 [ 374.719758] [] ? __kmalloc_reserve.isra.5+0xc0/0xc0 [ 374.719764] [] ? ipv6_get_ifaddr+0x300/0x510 [ 374.719771] [] ? trace_hardirqs_on+0xd/0x10 [ 374.719777] [] ? __local_bh_enable_ip+0x6a/0xe0 [ 374.719785] [] ndisc_alloc_skb+0x144/0x330 [ 374.719793] [] ndisc_send_rs+0x2ff/0x670 [ 374.719799] [] ? __ipv6_get_lladdr+0x250/0x250 [ 374.719806] [] addrconf_rs_timer+0x27e/0x5a0 [ 374.719812] [] ? ipv6_get_lladdr+0x440/0x440 [ 374.719820] [] ? debug_object_deactivate+0x214/0x340 [ 374.719826] [] ? call_timer_fn+0x18d/0x6e0 [ 374.719832] [] call_timer_fn+0x163/0x6e0 [ 374.719839] [] ? call_timer_fn+0xda/0x6e0 [ 374.719846] [] ? debug_object_deactivate+0x214/0x340 [ 374.719852] [] ? ipv6_get_lladdr+0x440/0x440 [ 374.719859] [] ? process_timeout+0x20/0x20 [ 374.719865] [] ? expire_timers+0x226/0x580 [ 374.719872] [] ? ipv6_get_lladdr+0x440/0x440 [ 374.719878] [] expire_timers+0x234/0x580 [ 374.719885] [] ? collect_expired_timers+0x1d5/0x2b0 [ 374.719892] [] run_timer_softirq+0x208/0x5e0 [ 374.719898] [] ? expire_timers+0x580/0x580 [ 374.719905] [] ? tick_program_event+0x103/0x180 [ 374.719913] [] ? tick_setup_hrtimer_broadcast+0x40/0x40 [ 374.719920] [] ? hrtimer_interrupt+0x1d7/0x430 [ 374.719927] [] ? check_preemption_disabled+0x3b/0x200 [ 374.719934] [] __do_softirq+0x20e/0x964 [ 374.719941] [] ? check_preemption_disabled+0x3b/0x200 [ 374.719948] [] irq_exit+0x11c/0x150 [ 374.719955] [] smp_apic_timer_interrupt+0x81/0xb0 [ 374.719962] [] apic_timer_interrupt+0x9d/0xb0 [ 374.719972] [ 374.719972] [] ? console_unlock+0x7a3/0xb50 [ 374.719980] [] ? console_unlock+0x7ae/0xb50 [ 374.719987] [] ? vprintk_emit+0x282/0x790 [ 374.719995] [] vprintk_emit+0x448/0x790 [ 374.720002] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 374.720009] [] vprintk+0x28/0x30 [ 374.720017] [] vprintk_default+0x1d/0x30 [ 374.720024] [] printk+0xaf/0xd7 [ 374.720032] [] ? log_wakeup_reason.cold.1+0x13f/0x13f [ 374.720038] [] ? _find_next_bit.part.0+0xe0/0x120 [ 374.720045] [] ? check_preemption_disabled+0x3b/0x200 [ 374.720053] [] show_free_areas.cold.32+0x4b4/0x1548 [ 374.720061] [] ? vprintk_emit+0x282/0x790 [ 374.720069] [] ? skip_free_areas_node+0x20/0x20 [ 374.720076] [] ? vprintk+0x28/0x30 [ 374.720084] [] ? vprintk_default+0x1d/0x30 [ 374.720090] [] ? printk+0xaf/0xd7 [ 374.720098] [] ? log_wakeup_reason.cold.1+0x13f/0x13f [ 374.720105] [] ? show_mem+0x1b/0x11d [ 374.720111] [] show_mem+0x2e/0x11d [ 374.720119] [] dump_header.isra.4+0x17a/0x747 [ 374.720125] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 374.720132] [] ? ___ratelimit+0x53/0x401 [ 374.720140] [] oom_kill_process.cold.10+0xd/0xa6e [ 374.720146] [] ? _raw_spin_unlock+0x2c/0x50 [ 374.720153] [] ? check_preemption_disabled+0x3b/0x200 [ 374.720160] [] ? out_of_memory+0x6d4/0xe90 [ 374.720167] [] out_of_memory+0x292/0xe90 [ 374.720174] [] ? out_of_memory+0x410/0xe90 [ 374.720181] [] ? oom_killer_disable+0x200/0x200 [ 374.720188] [] ? trace_hardirqs_on+0xd/0x10 [ 374.720195] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 374.720203] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 374.720210] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 374.720218] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 374.720225] [] ? check_preemption_disabled+0x3b/0x200 [ 374.720232] [] ? find_get_entry+0x11a/0x570 [ 374.720239] [] ? find_get_entry+0x141/0x570 [ 374.720246] [] ? page_cache_prev_hole+0x80/0x80 [ 374.720253] [] ? pagecache_get_page+0x131/0x710 [ 374.720260] [] filemap_fault+0xaf1/0x1110 [ 374.720267] [] ext4_filemap_fault+0x71/0xa0 [ 374.720274] [] __do_fault+0x223/0x500 [ 374.720280] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 374.720288] [] ? generic_file_readonly_mmap+0x190/0x190 [ 374.720295] [] handle_mm_fault+0x1326/0x2350 [ 374.720301] [] ? vm_insert_page+0x6f0/0x6f0 [ 374.720308] [] ? __might_fault+0x92/0x1d0 [ 374.720316] [] __do_page_fault+0x403/0xa60 [ 374.720323] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 374.720330] [] ? bad_area_access_error+0x3a0/0x3a0 [ 374.720339] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 374.720345] [] do_page_fault+0x27/0x30 [ 374.720351] [] page_fault+0x25/0x30 [ 374.720354] Mem-Info: [ 374.720370] active_anon:5641 inactive_anon:42 isolated_anon:0 [ 374.720370] active_file:19 inactive_file:17 isolated_file:26 [ 374.720370] unevictable:0 dirty:0 writeback:0 unstable:0 [ 374.720370] slab_reclaimable:3898 slab_unreclaimable:58579 [ 374.720370] mapped:31 shmem:48 pagetables:374 bounce:0 [ 374.720370] free:102 free_pcp:0 free_cma:0 [ 374.720382] Node 0 active_anon:22564kB inactive_anon:168kB active_file:76kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):104kB mapped:124kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 374.720399] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 374.720423] Normal free:408kB min:5580kB low:9168kB high:12756kB active_anon:22564kB inactive_anon:168kB active_file:76kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15592kB slab_unreclaimable:234316kB kernel_stack:3904kB pagetables:1496kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 374.720457] 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: 40*4kB (MH) 12*8kB (H) 5*16kB (H) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 464kB 101 total pagecache pages [ 374.720494] 0 pages in swap cache [ 374.720497] Swap cache stats: add 0, delete 0, find 0/0 [ 374.720499] Free swap = 0kB [ 374.720501] Total swap = 0kB [ 374.720503] 1965979 pages RAM [ 374.720505] 0 pages HighMem/MovableOnly [ 374.720507] 313617 pages reserved [ 374.720512] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 374.720517] cache: skbuff_head_cache, object size: 224, buffer size: 320, default order: 0, min order: 0 [ 374.720521] node 0: slabs: 591, objs: 7092, free: 0 [ 374.720524] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 374.720547] syz-executor.4: page allocation failure: order:0, mode:0x2280020(GFP_ATOMIC|__GFP_NOTRACK) [ 374.720553] CPU: 1 PID: 2113 Comm: syz-executor.4 Not tainted 4.9.141+ #23 [ 374.720564] ffff8801db7075c8 ffffffff81b42e79 1ffff1003b6e0ebb ffff8801cee44740 [ 374.720573] ffffffff82a974e0 0000000000000000 0000000002280020 ffff8801db707710 [ 374.720583] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 374.720585] Call Trace: [ 374.720594] [ 374.720594] [] dump_stack+0xc1/0x128 [ 374.720602] [] warn_alloc.cold.31+0x7f/0x9c [ 374.720609] [] ? zone_watermark_ok_safe+0x250/0x250 [ 374.720617] [] ? get_page_from_freelist+0x23e/0x1d80 [ 374.720626] [] __alloc_pages_nodemask+0x628/0x1bd0 [ 374.720633] [] ? kvm_sched_clock_read+0x9/0x20 [ 374.720639] [] ? sched_clock+0x9/0x10 [ 374.720646] [] ? down_trylock+0x50/0x70 [ 374.720655] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 374.720662] [] ? console_trylock+0x2b/0x150 [ 374.720669] [] ? vprintk_emit+0x272/0x790 [ 374.720677] [] ? format_decode+0x1b1/0x9e0 [ 374.720684] [] ? set_precision+0x170/0x170 [ 374.720691] [] ? vprintk_default+0x1d/0x30 [ 374.720699] [] new_slab+0x367/0x3d0 [ 374.720707] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 374.720714] [] ? __alloc_skb+0xe6/0x5b0 [ 374.720722] [] ? vprintk_emit+0x2b3/0x790 [ 374.720729] [] ? debug_object_activate+0x32d/0x4e0 [ 374.720736] [] ? console_trylock+0x2b/0x150 [ 374.720744] [] ? check_preemption_disabled+0x3b/0x200 [ 374.720750] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 374.720758] [] ? __alloc_skb+0xe6/0x5b0 [ 374.720765] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 374.720772] [] ? __alloc_skb+0xe6/0x5b0 [ 374.720780] [] kmem_cache_alloc+0x212/0x2b0 [ 374.720787] [] __alloc_skb+0xe6/0x5b0 [ 374.720794] [] ? __kmalloc_reserve.isra.5+0xc0/0xc0 [ 374.720801] [] ? ipv6_get_ifaddr+0x300/0x510 [ 374.720807] [] ? trace_hardirqs_on+0xd/0x10 [ 374.720814] [] ? __local_bh_enable_ip+0x6a/0xe0 [ 374.720822] [] ndisc_alloc_skb+0x144/0x330 [ 374.720829] [] ndisc_send_rs+0x2ff/0x670 [ 374.720836] [] ? __ipv6_get_lladdr+0x250/0x250 [ 374.720843] [] addrconf_rs_timer+0x27e/0x5a0 [ 374.720849] [] ? ipv6_get_lladdr+0x440/0x440 [ 374.720856] [] ? debug_object_deactivate+0x214/0x340 [ 374.720863] [] ? call_timer_fn+0x18d/0x6e0 [ 374.720869] [] call_timer_fn+0x163/0x6e0 [ 374.720876] [] ? call_timer_fn+0xda/0x6e0 [ 374.720883] [] ? debug_object_deactivate+0x214/0x340 [ 374.720889] [] ? ipv6_get_lladdr+0x440/0x440 [ 374.720896] [] ? process_timeout+0x20/0x20 [ 374.720902] [] ? expire_timers+0x226/0x580 [ 374.720909] [] ? ipv6_get_lladdr+0x440/0x440 [ 374.720915] [] expire_timers+0x234/0x580 [ 374.720922] [] ? collect_expired_timers+0x1d5/0x2b0 [ 374.720929] [] run_timer_softirq+0x208/0x5e0 [ 374.720935] [] ? expire_timers+0x580/0x580 [ 374.720942] [] ? tick_program_event+0x103/0x180 [ 374.720950] [] ? tick_setup_hrtimer_broadcast+0x40/0x40 [ 374.720957] [] ? hrtimer_interrupt+0x1d7/0x430 [ 374.720964] [] ? check_preemption_disabled+0x3b/0x200 [ 374.720971] [] __do_softirq+0x20e/0x964 [ 374.720978] [] ? check_preemption_disabled+0x3b/0x200 [ 374.720985] [] irq_exit+0x11c/0x150 [ 374.720993] [] smp_apic_timer_interrupt+0x81/0xb0 [ 374.721000] [] apic_timer_interrupt+0x9d/0xb0 [ 374.721009] [ 374.721010] [] ? console_unlock+0x7a3/0xb50 [ 374.721017] [] ? console_unlock+0x7ae/0xb50 [ 374.721025] [] ? vprintk_emit+0x282/0x790 [ 374.721032] [] vprintk_emit+0x448/0x790 [ 374.721038] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 374.721046] [] vprintk+0x28/0x30 [ 374.721053] [] vprintk_default+0x1d/0x30 [ 374.721060] [] printk+0xaf/0xd7 [ 374.721068] [] ? log_wakeup_reason.cold.1+0x13f/0x13f [ 374.721075] [] ? _find_next_bit.part.0+0xe0/0x120 [ 374.721082] [] ? check_preemption_disabled+0x3b/0x200 [ 374.721090] [] show_free_areas.cold.32+0x4b4/0x1548 [ 374.721098] [] ? vprintk_emit+0x282/0x790 [ 374.721106] [] ? skip_free_areas_node+0x20/0x20 [ 374.721113] [] ? vprintk+0x28/0x30 [ 374.721121] [] ? vprintk_default+0x1d/0x30 [ 374.721128] [] ? printk+0xaf/0xd7 [ 374.721135] [] ? log_wakeup_reason.cold.1+0x13f/0x13f [ 374.721142] [] ? show_mem+0x1b/0x11d [ 374.721149] [] show_mem+0x2e/0x11d [ 374.721156] [] dump_header.isra.4+0x17a/0x747 [ 374.721163] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 374.721169] [] ? ___ratelimit+0x53/0x401 [ 374.721177] [] oom_kill_process.cold.10+0xd/0xa6e [ 374.721183] [] ? _raw_spin_unlock+0x2c/0x50 [ 374.721190] [] ? check_preemption_disabled+0x3b/0x200 [ 374.721197] [] ? out_of_memory+0x6d4/0xe90 [ 374.721204] [] out_of_memory+0x292/0xe90 [ 374.721211] [] ? out_of_memory+0x410/0xe90 [ 374.721218] [] ? oom_killer_disable+0x200/0x200 [ 374.721225] [] ? trace_hardirqs_on+0xd/0x10 [ 374.721233] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 374.721240] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 374.721247] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 374.721255] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 374.721263] [] ? check_preemption_disabled+0x3b/0x200 [ 374.721270] [] ? find_get_entry+0x11a/0x570 [ 374.721276] [] ? find_get_entry+0x141/0x570 [ 374.721283] [] ? page_cache_prev_hole+0x80/0x80 [ 374.721290] [] ? pagecache_get_page+0x131/0x710 [ 374.721297] [] filemap_fault+0xaf1/0x1110 [ 374.721305] [] ext4_filemap_fault+0x71/0xa0 [ 374.721311] [] __do_fault+0x223/0x500 [ 374.721317] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 374.721325] [] ? generic_file_readonly_mmap+0x190/0x190 [ 374.721332] [] handle_mm_fault+0x1326/0x2350 [ 374.721339] [] ? vm_insert_page+0x6f0/0x6f0 [ 374.721346] [] ? __might_fault+0x92/0x1d0 [ 374.721353] [] __do_page_fault+0x403/0xa60 [ 374.721361] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 374.721368] [] ? bad_area_access_error+0x3a0/0x3a0 [ 374.721376] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 374.721382] [] do_page_fault+0x27/0x30 [ 374.721389] [] page_fault+0x25/0x30 [ 374.721391] Mem-Info: [ 374.721406] active_anon:5641 inactive_anon:42 isolated_anon:0 [ 374.721406] active_file:19 inactive_file:17 isolated_file:26 [ 374.721406] unevictable:0 dirty:0 writeback:0 unstable:0 [ 374.721406] slab_reclaimable:3898 slab_unreclaimable:58579 [ 374.721406] mapped:31 shmem:48 pagetables:374 bounce:0 [ 374.721406] free:102 free_pcp:0 free_cma:0 [ 374.721419] Node 0 active_anon:22564kB inactive_anon:168kB active_file:76kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):104kB mapped:124kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 374.721435] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 374.721459] Normal free:408kB min:5580kB low:9168kB high:12756kB active_anon:22564kB inactive_anon:168kB active_file:76kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15592kB slab_unreclaimable:234316kB kernel_stack:3904kB pagetables:1496kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 374.721493] 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: 40*4kB (MH) 12*8kB (H) 5*16kB (H) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 464kB 101 total pagecache pages [ 374.721529] 0 pages in swap cache [ 374.721538] Swap cache stats: add 0, delete 0, find 0/0 [ 374.721540] Free swap = 0kB [ 374.721542] Total swap = 0kB [ 374.721544] 1965979 pages RAM [ 374.721546] 0 pages HighMem/MovableOnly [ 374.721548] 313617 pages reserved [ 374.721553] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 374.721558] cache: skbuff_head_cache, object size: 224, buffer size: 320, default order: 0, min order: 0 [ 374.721562] node 0: slabs: 591, objs: 7092, free: 0 [ 374.721565] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 374.725480] kswapd0: page allocation failure: order:0, mode:0x2284020(GFP_ATOMIC|__GFP_COMP|__GFP_NOTRACK) [ 374.725486] CPU: 0 PID: 33 Comm: kswapd0 Not tainted 4.9.141+ #23 [ 374.725498] ffff8801db607418 ffffffff81b42e79 1ffff1003b6c0e85 ffff8801d99217c0 [ 374.725507] ffffffff82a974e0 0000000000000000 0000000002284020 ffff8801db607560 [ 374.725516] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 374.725518] Call Trace: [ 374.725529] [ 374.725530] [] dump_stack+0xc1/0x128 [ 374.725536] [] warn_alloc.cold.31+0x7f/0x9c [ 374.725543] [] ? zone_watermark_ok_safe+0x250/0x250 [ 374.725551] [] ? get_page_from_freelist+0x23e/0x1d80 [ 374.725559] [] __alloc_pages_nodemask+0x628/0x1bd0 [ 374.725566] [] ? mark_held_locks+0xc7/0x130 [ 374.725574] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 374.725581] [] ? __dev_queue_xmit+0x1d4/0x1b90 [ 374.725588] [] ? netdev_pick_tx+0x300/0x300 [ 374.725594] [] ? __lock_acquire+0x654/0x4a10 [ 374.725602] [] ? update_stack_state.constprop.2+0x7c/0x170 [ 374.725608] [] ? __unwind_start+0x14d/0x3b0 [ 374.725614] [] ? unwind_next_frame+0x7d/0xd0 [ 374.725621] [] new_slab+0x367/0x3d0 [ 374.725628] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 374.725635] [] ? dst_alloc+0xb5/0x1a0 [ 374.725641] [] ? kasan_kmalloc+0xaf/0xc0 [ 374.725647] [] ? kasan_slab_alloc+0x12/0x20 [ 374.725654] [] ? __kmalloc_track_caller+0xf0/0x2d0 [ 374.725661] [] ? __alloc_skb+0x11a/0x5b0 [ 374.725668] [] ? check_preemption_disabled+0x3b/0x200 [ 374.725675] [] ? dst_alloc+0xb5/0x1a0 [ 374.725682] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 374.725689] [] ? dst_alloc+0xb5/0x1a0 [ 374.725696] [] kmem_cache_alloc+0x212/0x2b0 [ 374.725702] [] dst_alloc+0xb5/0x1a0 [ 374.725709] [] __ip6_dst_alloc+0x31/0x130 [ 374.725715] [] ip6_dst_alloc+0x2d/0x1e0 [ 374.725722] [] ? icmp6_dst_alloc+0xe5/0x610 [ 374.725728] [] icmp6_dst_alloc+0x150/0x610 [ 374.725735] [] ? ip6_blackhole_route+0x5e0/0x5e0 [ 374.725742] [] ndisc_send_skb+0xcec/0x12e0 [ 374.725749] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 374.725756] [] ? ndisc_alloc_skb+0x330/0x330 [ 374.725762] [] ? memset+0x31/0x40 [ 374.725769] [] ? __alloc_skb+0x3ae/0x5b0 [ 374.725776] [] ? __kmalloc_reserve.isra.5+0xc0/0xc0 [ 374.725782] [] ? ipv6_get_ifaddr+0x300/0x510 [ 374.725790] [] ? __ndisc_fill_addr_option+0xeb/0x110 [ 374.725796] [] ndisc_send_rs+0x12a/0x670 [ 374.725803] [] addrconf_rs_timer+0x27e/0x5a0 [ 374.725809] [] ? ipv6_get_lladdr+0x440/0x440 [ 374.725815] [] call_timer_fn+0x163/0x6e0 [ 374.725821] [] ? call_timer_fn+0xda/0x6e0 [ 374.725827] [] ? ipv6_get_lladdr+0x440/0x440 [ 374.725833] [] ? process_timeout+0x20/0x20 [ 374.725839] [] ? mark_held_locks+0xc7/0x130 [ 374.725846] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 374.725852] [] ? ipv6_get_lladdr+0x440/0x440 [ 374.725858] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 374.725864] [] ? ipv6_get_lladdr+0x440/0x440 [ 374.725870] [] expire_timers+0x234/0x580 [ 374.725876] [] ? collect_expired_timers+0x1d5/0x2b0 [ 374.725882] [] run_timer_softirq+0x208/0x5e0 [ 374.725888] [] ? expire_timers+0x580/0x580 [ 374.725895] [] ? check_preemption_disabled+0x3b/0x200 [ 374.725902] [] __do_softirq+0x20e/0x964 [ 374.725909] [] ? check_preemption_disabled+0x3b/0x200 [ 374.725915] [] irq_exit+0x11c/0x150 [ 374.725922] [] smp_apic_timer_interrupt+0x81/0xb0 [ 374.725929] [] apic_timer_interrupt+0x9d/0xb0 [ 374.725937] [ 374.725938] [] ? lock_acquire+0x173/0x3e0 [ 374.725944] [] ? find_lock_task_mm+0xf1/0x270 [ 374.725951] [] ? check_preemption_disabled+0x3b/0x200 [ 374.725957] [] ? wake_oom_reaper+0xf0/0xf0 [ 374.725965] [] _raw_spin_lock+0x36/0x50 [ 374.725971] [] ? find_lock_task_mm+0xf1/0x270 [ 374.725978] [] find_lock_task_mm+0xf1/0x270 [ 374.725984] [] ? wake_oom_reaper+0xf0/0xf0 [ 374.725991] [] lowmem_scan+0x34f/0xaf0 [ 374.725997] [] ? lowmem_scan+0x24e/0xaf0 [ 374.726004] [] ? check_preemption_disabled+0x3b/0x200 [ 374.726012] [] shrink_slab.part.8+0x3c6/0xa00 [ 374.726018] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 374.726026] [] ? unregister_shrinker+0x230/0x230 [ 374.726041] [] ? preempt_schedule+0x25/0x30 [ 374.726048] [] shrink_node+0x1ed/0x740 [ 374.726056] [] ? shrink_node_memcg.isra.19+0x12e0/0x12e0 [ 374.726062] [] kswapd+0x7e9/0x13b0 [ 374.726070] [] ? try_to_free_pages+0xb80/0xb80 [ 374.726076] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 374.726083] [] ? _raw_spin_unlock_irq+0x38/0x50 [ 374.726090] [] ? autoremove_wake_function.part.0+0x130/0x130 [ 374.726096] [] ? __switch_to_asm+0x40/0x70 [ 374.726105] [] ? __kthread_parkme+0x175/0x240 [ 374.726112] [] kthread+0x26d/0x300 [ 374.726118] [] ? try_to_free_pages+0xb80/0xb80 [ 374.726125] [] ? kthread_park+0xa0/0xa0 [ 374.726132] [] ? __switch_to_asm+0x34/0x70 [ 374.726138] [] ? kthread_park+0xa0/0xa0 [ 374.726144] [] ? kthread_park+0xa0/0xa0 [ 374.726150] [] ret_from_fork+0x5c/0x70 [ 374.726153] Mem-Info: [ 374.726168] active_anon:5641 inactive_anon:42 isolated_anon:0 [ 374.726168] active_file:19 inactive_file:17 isolated_file:26 [ 374.726168] unevictable:0 dirty:0 writeback:0 unstable:0 [ 374.726168] slab_reclaimable:3898 slab_unreclaimable:58579 [ 374.726168] mapped:31 shmem:48 pagetables:374 bounce:0 [ 374.726168] free:102 free_pcp:0 free_cma:0 [ 374.726179] Node 0 active_anon:22564kB inactive_anon:168kB active_file:76kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):104kB mapped:124kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 374.726195] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 374.726218] Normal free:408kB min:5580kB low:9168kB high:12756kB active_anon:22564kB inactive_anon:168kB active_file:76kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15592kB slab_unreclaimable:234316kB kernel_stack:3904kB pagetables:1496kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 374.726260] 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: 40*4kB (MH) 12*8kB (H) 5*16kB (H) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 464kB 101 total pagecache pages [ 374.726295] 0 pages in swap cache [ 374.726298] Swap cache stats: add 0, delete 0, find 0/0 [ 374.726300] Free swap = 0kB [ 374.726302] Total swap = 0kB [ 374.726304] 1965979 pages RAM [ 374.726305] 0 pages HighMem/MovableOnly [ 374.726307] 313617 pages reserved [ 374.726394] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 374.726399] cache: ip6_dst_cache, object size: 384, buffer size: 448, default order: 1, min order: 0 [ 374.726408] node 0: slabs: 20, objs: 360, free: 0 [ 374.805386] syz-executor.1: page allocation failure: order:0, mode:0x2284020(GFP_ATOMIC|__GFP_COMP|__GFP_NOTRACK) [ 374.805395] CPU: 0 PID: 2998 Comm: syz-executor.1 Not tainted 4.9.141+ #23 [ 374.805410] ffff8801db607418 ffffffff81b42e79 1ffff1003b6c0e85 ffff8801d26d8000 [ 374.805419] ffffffff82a974e0 0000000000000000 0000000002284020 ffff8801db607560 [ 374.805428] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 374.805430] Call Trace: [ 374.805447] [ 374.805447] [] dump_stack+0xc1/0x128 [ 374.805457] [] warn_alloc.cold.31+0x7f/0x9c [ 374.805466] [] ? zone_watermark_ok_safe+0x250/0x250 [ 374.805473] [] ? get_page_from_freelist+0x23e/0x1d80 [ 374.805482] [] __alloc_pages_nodemask+0x628/0x1bd0 [ 374.805489] [] ? trace_hardirqs_on+0x10/0x10 [ 374.805497] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 374.805504] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 374.805512] [] ? update_stack_state.constprop.2+0x7c/0x170 [ 374.805518] [] ? __unwind_start+0x14d/0x3b0 [ 374.805524] [] ? unwind_next_frame+0x7d/0xd0 [ 374.805532] [] new_slab+0x367/0x3d0 [ 374.805539] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 374.805548] [] ? dst_alloc+0xb5/0x1a0 [ 374.805554] [] ? kasan_kmalloc+0xaf/0xc0 [ 374.805560] [] ? kasan_slab_alloc+0x12/0x20 [ 374.805567] [] ? __kmalloc_track_caller+0xf0/0x2d0 [ 374.805576] [] ? __kmalloc_reserve.isra.5+0x33/0xc0 [ 374.805583] [] ? __alloc_skb+0x11a/0x5b0 [ 374.805592] [] ? check_preemption_disabled+0x3b/0x200 [ 374.805598] [] ? dst_alloc+0xb5/0x1a0 [ 374.805606] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 374.805612] [] ? dst_alloc+0xb5/0x1a0 [ 374.805619] [] kmem_cache_alloc+0x212/0x2b0 [ 374.805627] [] ? inet_csk_compat_setsockopt+0x97/0x120 [ 374.805634] [] dst_alloc+0xb5/0x1a0 [ 374.805641] [] __ip6_dst_alloc+0x31/0x130 [ 374.805647] [] ip6_dst_alloc+0x2d/0x1e0 [ 374.805653] [] ? icmp6_dst_alloc+0xe5/0x610 [ 374.805660] [] icmp6_dst_alloc+0x150/0x610 [ 374.805666] [] ? ip6_blackhole_route+0x5e0/0x5e0 [ 374.805673] [] ndisc_send_skb+0xcec/0x12e0 [ 374.805680] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 374.805687] [] ? ndisc_alloc_skb+0x330/0x330 [ 374.805692] [] ? memset+0x31/0x40 [ 374.805699] [] ? __alloc_skb+0x3ae/0x5b0 [ 374.805706] [] ? __kmalloc_reserve.isra.5+0xc0/0xc0 [ 374.805712] [] ? ipv6_get_ifaddr+0x300/0x510 [ 374.805720] [] ? __ndisc_fill_addr_option+0xeb/0x110 [ 374.805727] [] ndisc_send_rs+0x12a/0x670 [ 374.805733] [] addrconf_rs_timer+0x27e/0x5a0 [ 374.805739] [] ? ipv6_get_lladdr+0x440/0x440 [ 374.805746] [] call_timer_fn+0x163/0x6e0 [ 374.805752] [] ? call_timer_fn+0xda/0x6e0 [ 374.805758] [] ? ipv6_get_lladdr+0x440/0x440 [ 374.805764] [] ? process_timeout+0x20/0x20 [ 374.805770] [] ? mark_held_locks+0xc7/0x130 [ 374.805777] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 374.805782] [] ? ipv6_get_lladdr+0x440/0x440 [ 374.805789] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 374.805795] [] ? ipv6_get_lladdr+0x440/0x440 [ 374.805800] [] expire_timers+0x234/0x580 [ 374.805807] [] ? collect_expired_timers+0x1d5/0x2b0 [ 374.805813] [] run_timer_softirq+0x208/0x5e0 [ 374.805819] [] ? expire_timers+0x580/0x580 [ 374.805826] [] ? check_preemption_disabled+0x3b/0x200 [ 374.805833] [] __do_softirq+0x20e/0x964 [ 374.805840] [] ? check_preemption_disabled+0x3b/0x200 [ 374.805847] [] irq_exit+0x11c/0x150 [ 374.805854] [] smp_apic_timer_interrupt+0x81/0xb0 [ 374.805861] [] apic_timer_interrupt+0x9d/0xb0 [ 374.805869] [ 374.805870] [] ? lock_release+0x557/0xc20 [ 374.805876] [] ? find_lock_task_mm+0xf1/0x270 [ 374.805883] [] ? find_lock_task_mm+0xf1/0x270 [ 374.805890] [] find_lock_task_mm+0x15b/0x270 [ 374.805896] [] ? wake_oom_reaper+0xf0/0xf0 [ 374.805903] [] lowmem_scan+0x34f/0xaf0 [ 374.805908] [] ? lowmem_scan+0x24e/0xaf0 [ 374.805915] [] ? check_preemption_disabled+0x3b/0x200 [ 374.805923] [] shrink_slab.part.8+0x3c6/0xa00 [ 374.805931] [] ? unregister_shrinker+0x230/0x230 [ 374.805938] [] shrink_node+0x1ed/0x740 [ 374.805945] [] ? shrink_node_memcg.isra.19+0x12e0/0x12e0 [ 374.805953] [] ? __delayacct_freepages_start+0x41/0x80 [ 374.805960] [] try_to_free_pages+0x377/0xb80 [ 374.805967] [] ? shrink_node+0x740/0x740 [ 374.805975] [] __alloc_pages_nodemask+0x981/0x1bd0 [ 374.805982] [] ? _raw_spin_unlock_irq+0x38/0x50 [ 374.805990] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 374.805998] [] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 374.806004] [] ? retint_kernel+0x2d/0x2d [ 374.806011] [] __vmalloc_node_range+0x25b/0x600 [ 374.806018] [] ? xt_alloc_table_info+0xc9/0x100 [ 374.806024] [] vmalloc+0x5b/0x70 [ 374.806030] [] ? xt_alloc_table_info+0xc9/0x100 [ 374.806043] [] xt_alloc_table_info+0xc9/0x100 [ 374.806052] [] compat_do_replace.isra.10+0x116/0x380 [ 374.806059] [] ? translate_compat_table+0x1790/0x1790 [ 374.806067] [] ? mutex_lock_nested+0x6b7/0x900 [ 374.806073] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 374.806081] [] ? __cap_capable+0x168/0x1c0 [ 374.806089] [] ? ns_capable_common+0x12a/0x150 [ 374.806096] [] compat_do_ipt_set_ctl+0x102/0x140 [ 374.806104] [] compat_nf_setsockopt+0x8b/0x130 [ 374.806111] [] ? compat_do_replace.isra.10+0x380/0x380 [ 374.806118] [] compat_ip_setsockopt+0x97/0xd0 [ 374.806126] [] compat_udp_setsockopt+0x4a/0x90 [ 374.806133] [] ? udp_flush_pending_frames+0xb0/0xb0 [ 374.806140] [] compat_ipv6_setsockopt+0xb4/0x1d0 [ 374.806148] [] inet_csk_compat_setsockopt+0x97/0x120 [ 374.806155] [] ? ipv6_setsockopt+0x130/0x130 [ 374.806161] [] compat_tcp_setsockopt+0x3d/0x70 [ 374.806168] [] compat_sock_common_setsockopt+0xb4/0x150 [ 374.806175] [] ? do_tcp_setsockopt.isra.5+0x1ca0/0x1ca0 [ 374.806182] [] compat_SyS_setsockopt+0x169/0x550 [ 374.806189] [] ? sock_common_setsockopt+0xe0/0xe0 [ 374.806196] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 374.806204] [] ? compat_SyS_clock_gettime+0x131/0x1b0 [ 374.806211] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 374.806217] [] ? do_fast_syscall_32+0xcf/0xa10 [ 374.806224] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 374.806230] [] do_fast_syscall_32+0x2f1/0xa10 [ 374.806238] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 374.806245] [] entry_SYSENTER_compat+0x90/0xa2 [ 374.806248] Mem-Info: [ 374.806264] active_anon:5641 inactive_anon:42 isolated_anon:0 [ 374.806264] active_file:19 inactive_file:17 isolated_file:0 [ 374.806264] unevictable:0 dirty:0 writeback:0 unstable:0 [ 374.806264] slab_reclaimable:3898 slab_unreclaimable:58579 [ 374.806264] mapped:31 shmem:48 pagetables:374 bounce:0 [ 374.806264] free:102 free_pcp:0 free_cma:0 [ 374.806276] Node 0 active_anon:22564kB inactive_anon:168kB active_file:76kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:124kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:34 all_unreclaimable? no [ 374.806293] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 374.806316] Normal free:408kB min:5580kB low:9168kB high:12756kB active_anon:22564kB inactive_anon:168kB active_file:76kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15592kB slab_unreclaimable:234316kB kernel_stack:3904kB pagetables:1496kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 374.806350] 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: 65*4kB (UMH) 13*8kB (MH) 5*16kB (H) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 572kB 101 total pagecache pages [ 374.806386] 0 pages in swap cache [ 374.806389] Swap cache stats: add 0, delete 0, find 0/0 [ 374.806391] Free swap = 0kB [ 374.806393] Total swap = 0kB [ 374.806395] 1965979 pages RAM [ 374.806396] 0 pages HighMem/MovableOnly [ 374.806398] 313617 pages reserved [ 374.806406] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 374.806411] cache: ip6_dst_cache, object size: 384, buffer size: 448, default order: 1, min order: 0 [ 374.806416] node 0: slabs: 20, objs: 360, free: 0 [ 374.806468] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 374.806473] cache: ip6_dst_cache, object size: 384, buffer size: 448, default order: 1, min order: 0 [ 374.806477] node 0: slabs: 20, objs: 360, free: 0 [ 374.875445] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 374.875462] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 374.957724] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 374.957737] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 375.117370] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 375.117383] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 375.195336] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 375.715362] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 375.715362] to free 76kB on behalf of 'syz-executor.0' (3014) because [ 375.715362] cache 120kB is below limit 6144kB for oom_score_adj 0 [ 375.715362] Free memory is -36932kB above reserved [ 376.727638] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 376.727638] to free 76kB on behalf of 'syz-executor.5' (3004) because [ 376.727638] cache 116kB is below limit 6144kB for oom_score_adj 0 [ 376.727638] Free memory is -31932kB above reserved [ 376.727650] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 376.727650] to free 76kB on behalf of 'syz-executor.1' (2998) because [ 376.727650] cache 116kB is below limit 6144kB for oom_score_adj 0 [ 376.727650] Free memory is -31932kB above reserved [ 377.745402] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 377.745402] to free 76kB on behalf of 'syz-executor.0' (3014) because [ 377.745402] cache 436kB is below limit 6144kB for oom_score_adj 0 [ 377.745402] Free memory is -13368kB above reserved [ 378.755546] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 378.755546] to free 76kB on behalf of 'rsyslogd' (1891) because [ 378.755546] cache 196kB is below limit 6144kB for oom_score_adj 0 [ 378.755546] Free memory is -13232kB above reserved [ 378.755559] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 378.755559] to free 76kB on behalf of 'syz-executor.4' (3015) because [ 378.755559] cache 196kB is below limit 6144kB for oom_score_adj 0 [ 378.755559] Free memory is -13232kB above reserved [ 379.765406] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 379.765406] to free 76kB on behalf of 'syz-executor.5' (3004) because [ 379.765406] cache 96kB is below limit 6144kB for oom_score_adj 0 [ 379.765406] Free memory is -13304kB above reserved [ 380.775486] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 380.775486] to free 76kB on behalf of 'rs:main Q:Reg' (1889) because [ 380.775486] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 380.775486] Free memory is -13304kB above reserved [ 381.785375] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 381.785375] to free 76kB on behalf of 'rsyslogd' (1891) because [ 381.785375] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 381.785375] Free memory is -13304kB above reserved [ 382.795391] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 382.795391] to free 76kB on behalf of 'syz-executor.3' (3013) because [ 382.795391] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 382.795391] Free memory is -13428kB above reserved [ 383.805488] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 383.805488] to free 76kB on behalf of 'rs:main Q:Reg' (1889) because [ 383.805488] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 383.805488] Free memory is -13444kB above reserved [ 384.815362] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 384.815362] to free 76kB on behalf of 'syz-executor.0' (3014) because [ 384.815362] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 384.815362] Free memory is -13444kB above reserved [ 385.825424] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 385.825424] to free 76kB on behalf of 'syz-executor.0' (3014) because [ 385.825424] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 385.825424] Free memory is -13444kB above reserved [ 385.825436] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 385.825436] to free 76kB on behalf of 'init' (1) because [ 385.825436] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 385.825436] Free memory is -13444kB above reserved [ 385.835377] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 385.835377] to free 76kB on behalf of 'syz-executor.2' (2105) because [ 385.835377] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 385.835377] Free memory is -13444kB above reserved [ 386.845496] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 386.845496] to free 76kB on behalf of 'syz-executor.2' (2105) because [ 386.845496] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 386.845496] Free memory is -13444kB above reserved [ 387.855465] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 387.855465] to free 76kB on behalf of 'syz-executor.3' (3013) because [ 387.855465] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 387.855465] Free memory is -13444kB above reserved [ 388.438580] warn_alloc: 10 callbacks suppressed [ 388.438599] rsyslogd: page allocation stalls for 10020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 388.438609] CPU: 1 PID: 1891 Comm: rsyslogd Not tainted 4.9.141+ #23 [ 388.438628] ffff8801d39cf7c0 ffffffff81b42e79 1ffff1003a739efa ffff8801d3cb2f80 [ 388.438638] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d39cf908 [ 388.438649] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 388.438651] Call Trace: [ 388.438668] [] dump_stack+0xc1/0x128 [ 388.438679] [] warn_alloc.cold.31+0x7f/0x9c [ 388.438689] [] ? zone_watermark_ok_safe+0x250/0x250 [ 388.438698] [] ? shrink_node+0x740/0x740 [ 388.438708] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 388.438716] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 388.438726] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 388.438735] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 388.438743] [] ? find_get_entry+0x11a/0x570 [ 388.438750] [] ? find_get_entry+0x141/0x570 [ 388.438758] [] ? page_cache_prev_hole+0x80/0x80 [ 388.438767] [] ? autoremove_wake_function+0x40/0x40 [ 388.438774] [] ? pagecache_get_page+0x131/0x710 [ 388.438783] [] filemap_fault+0xaf1/0x1110 [ 388.438792] [] ext4_filemap_fault+0x71/0xa0 [ 388.438799] [] __do_fault+0x223/0x500 [ 388.438807] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 388.438815] [] ? generic_file_readonly_mmap+0x190/0x190 [ 388.438823] [] handle_mm_fault+0x1326/0x2350 [ 388.438831] [] ? vm_insert_page+0x6f0/0x6f0 [ 388.438839] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 388.438849] [] __do_page_fault+0x403/0xa60 [ 388.438857] [] ? bad_area_access_error+0x3a0/0x3a0 [ 388.438867] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 388.438874] [] do_page_fault+0x27/0x30 [ 388.438883] [] page_fault+0x25/0x30 [ 388.438887] Mem-Info: [ 388.438906] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 388.438906] active_file:0 inactive_file:24 isolated_file:0 [ 388.438906] unevictable:0 dirty:0 writeback:0 unstable:0 [ 388.438906] slab_reclaimable:3910 slab_unreclaimable:58337 [ 388.438906] mapped:4 shmem:48 pagetables:353 bounce:0 [ 388.438906] free:6015 free_pcp:89 free_cma:0 [ 388.438920] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 388.438941] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 388.438969] Normal free:5372kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233076kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:236kB local_pcp:116kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 388.439134] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 373*4kB (MEH) 157*8kB (UMH) 86*16kB (UME) 25*32kB (MH) 5*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5372kB 73 total pagecache pages [ 388.439182] 0 pages in swap cache [ 388.439186] Swap cache stats: add 0, delete 0, find 0/0 [ 388.439188] Free swap = 0kB [ 388.439191] Total swap = 0kB [ 388.439193] 1965979 pages RAM [ 388.439195] 0 pages HighMem/MovableOnly [ 388.439197] 313617 pages reserved [ 388.466465] syz-executor.2: page allocation stalls for 10020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 388.466475] CPU: 1 PID: 2105 Comm: syz-executor.2 Not tainted 4.9.141+ #23 [ 388.466493] ffff8801cc9af7c0 ffffffff81b42e79 1ffff10039935efa ffff8801cc9f0000 [ 388.466503] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cc9af908 [ 388.466514] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 388.466516] Call Trace: [ 388.466540] [] dump_stack+0xc1/0x128 [ 388.466551] [] warn_alloc.cold.31+0x7f/0x9c [ 388.466561] [] ? zone_watermark_ok_safe+0x250/0x250 [ 388.466570] [] ? shrink_node+0x740/0x740 [ 388.466579] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 388.466588] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 388.466597] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 388.466606] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 388.466613] [] ? find_get_entry+0x11a/0x570 [ 388.466621] [] ? find_get_entry+0x141/0x570 [ 388.466628] [] ? page_cache_prev_hole+0x80/0x80 [ 388.466636] [] ? pagecache_get_page+0x131/0x710 [ 388.466644] [] filemap_fault+0xaf1/0x1110 [ 388.466653] [] ext4_filemap_fault+0x71/0xa0 [ 388.466661] [] __do_fault+0x223/0x500 [ 388.466668] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 388.466677] [] ? generic_file_readonly_mmap+0x190/0x190 [ 388.466685] [] handle_mm_fault+0x1326/0x2350 [ 388.466692] [] ? vm_insert_page+0x6f0/0x6f0 [ 388.466702] [] ? compat_SyS_wait4+0x1e9/0x290 [ 388.466711] [] ? put_compat_rusage+0x550/0x550 [ 388.466720] [] __do_page_fault+0x403/0xa60 [ 388.466728] [] ? bad_area_access_error+0x3a0/0x3a0 [ 388.466739] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 388.466746] [] do_page_fault+0x27/0x30 [ 388.466755] [] page_fault+0x25/0x30 [ 388.466759] Mem-Info: [ 388.466778] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 388.466778] active_file:0 inactive_file:24 isolated_file:0 [ 388.466778] unevictable:0 dirty:0 writeback:0 unstable:0 [ 388.466778] slab_reclaimable:3910 slab_unreclaimable:58337 [ 388.466778] mapped:4 shmem:48 pagetables:353 bounce:0 [ 388.466778] free:6015 free_pcp:89 free_cma:0 [ 388.466793] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 388.466814] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 388.466842] Normal free:5372kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233076kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:236kB local_pcp:116kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 388.466903] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 373*4kB (MEH) 157*8kB (UMH) 86*16kB (UME) 25*32kB (MH) 5*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5372kB 73 total pagecache pages [ 388.466951] 0 pages in swap cache [ 388.466955] Swap cache stats: add 0, delete 0, find 0/0 [ 388.466958] Free swap = 0kB [ 388.466960] Total swap = 0kB [ 388.466962] 1965979 pages RAM [ 388.466965] 0 pages HighMem/MovableOnly [ 388.466967] 313617 pages reserved [ 388.704198] syz-execprog: page allocation stalls for 10050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 388.704209] CPU: 0 PID: 2090 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 388.704228] ffff8801ce3ff7c0 ffffffff81b42e79 1ffff10039c7fefa ffff8801cef2af80 [ 388.704238] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ce3ff908 [ 388.704249] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 388.704251] Call Trace: [ 388.704269] [] dump_stack+0xc1/0x128 [ 388.704278] [] warn_alloc.cold.31+0x7f/0x9c [ 388.704288] [] ? zone_watermark_ok_safe+0x250/0x250 [ 388.704297] [] ? shrink_node+0x740/0x740 [ 388.704306] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 388.704315] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 388.704324] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 388.704333] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 388.704341] [] ? find_get_entry+0x11a/0x570 [ 388.704348] [] ? find_get_entry+0x141/0x570 [ 388.704355] [] ? page_cache_prev_hole+0x80/0x80 [ 388.704365] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 388.704372] [] ? pagecache_get_page+0x131/0x710 [ 388.704380] [] filemap_fault+0xaf1/0x1110 [ 388.704390] [] ext4_filemap_fault+0x71/0xa0 [ 388.704397] [] __do_fault+0x223/0x500 [ 388.704404] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 388.704413] [] ? generic_file_readonly_mmap+0x190/0x190 [ 388.704420] [] handle_mm_fault+0x1326/0x2350 [ 388.704428] [] ? vm_insert_page+0x6f0/0x6f0 [ 388.704438] [] ? kvm_clock_read+0x23/0x40 [ 388.704446] [] ? kvm_clock_get_cycles+0x9/0x10 [ 388.704455] [] __do_page_fault+0x403/0xa60 [ 388.704463] [] ? bad_area_access_error+0x3a0/0x3a0 [ 388.704473] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 388.704481] [] do_page_fault+0x27/0x30 [ 388.704489] [] page_fault+0x25/0x30 [ 388.704493] Mem-Info: [ 388.704512] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 388.704512] active_file:0 inactive_file:24 isolated_file:0 [ 388.704512] unevictable:0 dirty:0 writeback:0 unstable:0 [ 388.704512] slab_reclaimable:3910 slab_unreclaimable:58337 [ 388.704512] mapped:4 shmem:48 pagetables:353 bounce:0 [ 388.704512] free:6015 free_pcp:89 free_cma:0 [ 388.704527] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 388.704546] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 388.704575] Normal free:5372kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233076kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:236kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 388.704635] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 373*4kB (MEH) 157*8kB (UMH) 86*16kB (UME) 25*32kB (MH) 5*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5372kB 73 total pagecache pages [ 388.704684] 0 pages in swap cache [ 388.704688] Swap cache stats: add 0, delete 0, find 0/0 [ 388.704691] Free swap = 0kB [ 388.704693] Total swap = 0kB [ 388.704695] 1965979 pages RAM [ 388.704698] 0 pages HighMem/MovableOnly [ 388.704700] 313617 pages reserved [ 388.865462] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 388.865462] to free 76kB on behalf of 'syz-executor.1' (2998) because [ 388.865462] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 388.865462] Free memory is -13444kB above reserved [ 389.444842] rs:main Q:Reg: page allocation stalls for 10030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 389.444853] CPU: 0 PID: 1889 Comm: rs:main Q:Reg Not tainted 4.9.141+ #23 [ 389.444872] ffff8801d39e77c0 ffffffff81b42e79 1ffff1003a73cefa ffff8801d4b74740 [ 389.444883] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d39e7908 [ 389.444894] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 389.444896] Call Trace: [ 389.444913] [] dump_stack+0xc1/0x128 [ 389.444923] [] warn_alloc.cold.31+0x7f/0x9c [ 389.444933] [] ? zone_watermark_ok_safe+0x250/0x250 [ 389.444941] [] ? shrink_node+0x740/0x740 [ 389.444951] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 389.444959] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 389.444968] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 389.444977] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 389.444985] [] ? find_get_entry+0x11a/0x570 [ 389.444992] [] ? find_get_entry+0x141/0x570 [ 389.445000] [] ? page_cache_prev_hole+0x80/0x80 [ 389.445009] [] ? autoremove_wake_function+0x40/0x40 [ 389.445017] [] ? pagecache_get_page+0x131/0x710 [ 389.445024] [] filemap_fault+0xaf1/0x1110 [ 389.445041] [] ext4_filemap_fault+0x71/0xa0 [ 389.445049] [] __do_fault+0x223/0x500 [ 389.445056] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 389.445065] [] ? generic_file_readonly_mmap+0x190/0x190 [ 389.445072] [] handle_mm_fault+0x1326/0x2350 [ 389.445080] [] ? vm_insert_page+0x6f0/0x6f0 [ 389.445087] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 389.445097] [] __do_page_fault+0x403/0xa60 [ 389.445105] [] ? bad_area_access_error+0x3a0/0x3a0 [ 389.445115] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 389.445122] [] do_page_fault+0x27/0x30 [ 389.445131] [] page_fault+0x25/0x30 [ 389.445135] Mem-Info: [ 389.445154] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 389.445154] active_file:0 inactive_file:24 isolated_file:0 [ 389.445154] unevictable:0 dirty:0 writeback:0 unstable:0 [ 389.445154] slab_reclaimable:3910 slab_unreclaimable:58337 [ 389.445154] mapped:4 shmem:48 pagetables:353 bounce:0 [ 389.445154] free:6015 free_pcp:89 free_cma:0 [ 389.445169] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 389.445189] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 389.445217] Normal free:5372kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233076kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:236kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 389.445284] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 373*4kB (MEH) 157*8kB (UMH) 86*16kB (UME) 25*32kB (MH) 5*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5372kB 73 total pagecache pages [ 389.485406] 0 pages in swap cache [ 389.485410] Swap cache stats: add 0, delete 0, find 0/0 [ 389.485413] Free swap = 0kB [ 389.485415] Total swap = 0kB [ 389.485418] 1965979 pages RAM [ 389.485421] 0 pages HighMem/MovableOnly [ 389.485423] 313617 pages reserved [ 389.875411] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 389.875411] to free 76kB on behalf of 'syz-executor.3' (3013) because [ 389.875411] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 389.875411] Free memory is -13444kB above reserved [ 390.885452] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 390.885452] to free 76kB on behalf of 'init' (1) because [ 390.885452] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 390.885452] Free memory is -13444kB above reserved [ 391.895454] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 391.895454] to free 76kB on behalf of 'syz-executor.2' (2105) because [ 391.895454] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 391.895454] Free memory is -13444kB above reserved [ 391.895466] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 391.895466] to free 76kB on behalf of 'rs:main Q:Reg' (1889) because [ 391.895466] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 391.895466] Free memory is -13444kB above reserved [ 392.205550] init: page allocation stalls for 10040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 392.205560] CPU: 0 PID: 1 Comm: init Not tainted 4.9.141+ #23 [ 392.205579] ffff8801da6077c0 ffffffff81b42e79 1ffff1003b4c0efa ffff8801da5f8000 [ 392.205590] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 392.205601] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 392.205603] Call Trace: [ 392.205621] [] dump_stack+0xc1/0x128 [ 392.205631] [] warn_alloc.cold.31+0x7f/0x9c [ 392.205642] [] ? zone_watermark_ok_safe+0x250/0x250 [ 392.205651] [] ? shrink_node+0x740/0x740 [ 392.205661] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 392.205669] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 392.205678] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 392.205687] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 392.205695] [] ? find_get_entry+0x11a/0x570 [ 392.205703] [] ? find_get_entry+0x141/0x570 [ 392.205710] [] ? page_cache_prev_hole+0x80/0x80 [ 392.205718] [] ? __lock_acquire+0x654/0x4a10 [ 392.205726] [] ? pagecache_get_page+0x131/0x710 [ 392.205734] [] filemap_fault+0xaf1/0x1110 [ 392.205743] [] ext4_filemap_fault+0x71/0xa0 [ 392.205751] [] __do_fault+0x223/0x500 [ 392.205758] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 392.205766] [] ? generic_file_readonly_mmap+0x190/0x190 [ 392.205774] [] handle_mm_fault+0x1326/0x2350 [ 392.205782] [] ? vm_insert_page+0x6f0/0x6f0 [ 392.205792] [] ? kvm_clock_get_cycles+0x9/0x10 [ 392.205802] [] __do_page_fault+0x403/0xa60 [ 392.205810] [] ? bad_area_access_error+0x3a0/0x3a0 [ 392.205820] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 392.205827] [] do_page_fault+0x27/0x30 [ 392.205836] [] page_fault+0x25/0x30 [ 392.205840] Mem-Info: [ 392.205859] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 392.205859] active_file:0 inactive_file:24 isolated_file:0 [ 392.205859] unevictable:0 dirty:0 writeback:0 unstable:0 [ 392.205859] slab_reclaimable:3910 slab_unreclaimable:58337 [ 392.205859] mapped:4 shmem:48 pagetables:353 bounce:0 [ 392.205859] free:6015 free_pcp:89 free_cma:0 [ 392.205874] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 392.205894] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 392.205923] Normal free:5372kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233076kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:236kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 392.205983] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 373*4kB (MEH) 157*8kB (UMH) 86*16kB (UME) 25*32kB (MH) 5*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5372kB 73 total pagecache pages [ 392.206039] 0 pages in swap cache [ 392.206043] Swap cache stats: add 0, delete 0, find 0/0 [ 392.206045] Free swap = 0kB [ 392.206048] Total swap = 0kB [ 392.206050] 1965979 pages RAM [ 392.206052] 0 pages HighMem/MovableOnly [ 392.206055] 313617 pages reserved [ 392.905403] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 392.905403] to free 76kB on behalf of 'syz-executor.4' (3015) because [ 392.905403] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 392.905403] Free memory is -13444kB above reserved [ 393.915485] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 393.915485] to free 76kB on behalf of 'syz-executor.3' (3013) because [ 393.915485] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 393.915485] Free memory is -13444kB above reserved [ 394.925507] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 394.925507] to free 76kB on behalf of 'syz-executor.5' (3004) because [ 394.925507] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 394.925507] Free memory is -13444kB above reserved [ 395.935393] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 395.935393] to free 76kB on behalf of 'init' (1) because [ 395.935393] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 395.935393] Free memory is -13444kB above reserved [ 396.945386] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 396.945386] to free 76kB on behalf of 'syz-executor.1' (2998) because [ 396.945386] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 396.945386] Free memory is -13444kB above reserved [ 397.955455] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 397.955455] to free 76kB on behalf of 'syz-executor.2' (2105) because [ 397.955455] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 397.955455] Free memory is -13444kB above reserved [ 397.955468] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 397.955468] to free 76kB on behalf of 'syz-execprog' (2090) because [ 397.955468] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 397.955468] Free memory is -13444kB above reserved [ 398.459998] rsyslogd: page allocation stalls for 20040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 398.460009] CPU: 1 PID: 1891 Comm: rsyslogd Not tainted 4.9.141+ #23 [ 398.460027] ffff8801d39cf7c0 ffffffff81b42e79 1ffff1003a739efa ffff8801d3cb2f80 [ 398.460036] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d39cf908 [ 398.460046] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 398.460048] Call Trace: [ 398.460066] [] dump_stack+0xc1/0x128 [ 398.460076] [] warn_alloc.cold.31+0x7f/0x9c [ 398.460086] [] ? zone_watermark_ok_safe+0x250/0x250 [ 398.460095] [] ? shrink_node+0x740/0x740 [ 398.460105] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 398.460113] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 398.460123] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 398.460132] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 398.460139] [] ? find_get_entry+0x11a/0x570 [ 398.460147] [] ? find_get_entry+0x141/0x570 [ 398.460154] [] ? page_cache_prev_hole+0x80/0x80 [ 398.460164] [] ? autoremove_wake_function+0x40/0x40 [ 398.460172] [] ? pagecache_get_page+0x131/0x710 [ 398.460179] [] filemap_fault+0xaf1/0x1110 [ 398.460188] [] ext4_filemap_fault+0x71/0xa0 [ 398.460196] [] __do_fault+0x223/0x500 [ 398.460203] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 398.460211] [] ? generic_file_readonly_mmap+0x190/0x190 [ 398.460219] [] handle_mm_fault+0x1326/0x2350 [ 398.460227] [] ? vm_insert_page+0x6f0/0x6f0 [ 398.460235] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 398.460244] [] __do_page_fault+0x403/0xa60 [ 398.460253] [] ? bad_area_access_error+0x3a0/0x3a0 [ 398.460263] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 398.460270] [] do_page_fault+0x27/0x30 [ 398.460279] [] page_fault+0x25/0x30 [ 398.460283] Mem-Info: [ 398.460302] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 398.460302] active_file:0 inactive_file:24 isolated_file:0 [ 398.460302] unevictable:0 dirty:0 writeback:0 unstable:0 [ 398.460302] slab_reclaimable:3910 slab_unreclaimable:58337 [ 398.460302] mapped:4 shmem:48 pagetables:353 bounce:0 [ 398.460302] free:6015 free_pcp:89 free_cma:0 [ 398.460317] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 398.460337] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 398.460366] Normal free:5372kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233076kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:236kB local_pcp:116kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 398.460427] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 373*4kB (MEH) 157*8kB (UMH) 86*16kB (UME) 25*32kB (MH) 5*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5372kB 73 total pagecache pages [ 398.460475] 0 pages in swap cache [ 398.460480] Swap cache stats: add 0, delete 0, find 0/0 [ 398.460482] Free swap = 0kB [ 398.460484] Total swap = 0kB [ 398.460487] 1965979 pages RAM [ 398.460489] 0 pages HighMem/MovableOnly [ 398.460491] 313617 pages reserved [ 398.502365] syz-executor.2: page allocation stalls for 20050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 398.502375] CPU: 1 PID: 2105 Comm: syz-executor.2 Not tainted 4.9.141+ #23 [ 398.502392] ffff8801cc9af7c0 ffffffff81b42e79 1ffff10039935efa ffff8801cc9f0000 [ 398.502403] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cc9af908 [ 398.502413] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 398.502415] Call Trace: [ 398.502431] [] dump_stack+0xc1/0x128 [ 398.502441] [] warn_alloc.cold.31+0x7f/0x9c [ 398.502451] [] ? zone_watermark_ok_safe+0x250/0x250 [ 398.502460] [] ? shrink_node+0x740/0x740 [ 398.502470] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 398.502478] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 398.502487] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 398.502496] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 398.502504] [] ? find_get_entry+0x11a/0x570 [ 398.502512] [] ? find_get_entry+0x141/0x570 [ 398.502519] [] ? page_cache_prev_hole+0x80/0x80 [ 398.502527] [] ? pagecache_get_page+0x131/0x710 [ 398.502542] [] filemap_fault+0xaf1/0x1110 [ 398.502551] [] ext4_filemap_fault+0x71/0xa0 [ 398.502558] [] __do_fault+0x223/0x500 [ 398.502566] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 398.502574] [] ? generic_file_readonly_mmap+0x190/0x190 [ 398.502582] [] handle_mm_fault+0x1326/0x2350 [ 398.502589] [] ? vm_insert_page+0x6f0/0x6f0 [ 398.502599] [] ? compat_SyS_wait4+0x1e9/0x290 [ 398.502607] [] ? put_compat_rusage+0x550/0x550 [ 398.502617] [] __do_page_fault+0x403/0xa60 [ 398.502625] [] ? bad_area_access_error+0x3a0/0x3a0 [ 398.502635] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 398.502642] [] do_page_fault+0x27/0x30 [ 398.502651] [] page_fault+0x25/0x30 [ 398.502655] Mem-Info: [ 398.502674] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 398.502674] active_file:0 inactive_file:24 isolated_file:0 [ 398.502674] unevictable:0 dirty:0 writeback:0 unstable:0 [ 398.502674] slab_reclaimable:3910 slab_unreclaimable:58337 [ 398.502674] mapped:4 shmem:48 pagetables:353 bounce:0 [ 398.502674] free:6015 free_pcp:89 free_cma:0 [ 398.502689] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 ** 25 printk messages dropped ** [ 398.662647] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 398.662656] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 398.662665] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 398.662673] [] ? find_get_entry+0x11a/0x570 [ 398.662681] [] ? find_get_entry+0x141/0x570 [ 398.662688] [] ? page_cache_prev_hole+0x80/0x80 [ 398.662698] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 398.662705] [] ? pagecache_get_page+0x131/0x710 [ 398.662713] [] filemap_fault+0xaf1/0x1110 [ 398.662723] [] ext4_filemap_fault+0x71/0xa0 [ 398.662730] [] __do_fault+0x223/0x500 [ 398.662737] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 398.662746] [] ? generic_file_readonly_mmap+0x190/0x190 [ 398.662754] [] handle_mm_fault+0x1326/0x2350 [ 398.662761] [] ? vm_insert_page+0x6f0/0x6f0 [ 398.662771] [] ? kvm_clock_read+0x23/0x40 [ 398.662779] [] ? kvm_clock_get_cycles+0x9/0x10 [ 398.662789] [] __do_page_fault+0x403/0xa60 [ 398.662796] [] ? bad_area_access_error+0x3a0/0x3a0 [ 398.662807] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 398.662814] [] do_page_fault+0x27/0x30 [ 398.662823] [] page_fault+0x25/0x30 [ 398.662827] Mem-Info: [ 398.662846] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 398.662846] active_file:0 inactive_file:24 isolated_file:0 [ 398.662846] unevictable:0 dirty:0 writeback:0 unstable:0 [ 398.662846] slab_reclaimable:3910 slab_unreclaimable:58337 [ 398.662846] mapped:4 shmem:48 pagetables:353 bounce:0 [ 398.662846] free:6015 free_pcp:89 free_cma:0 [ 398.662860] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 398.662880] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 398.662909] Normal free:5372kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233076kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:236kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 398.662970] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 373*4kB (MEH) 157*8kB (UMH) 86*16kB (UME) 25*32kB (MH) 5*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5372kB 73 total pagecache pages [ 398.663018] 0 pages in swap cache [ 398.663022] Swap cache stats: add 0, delete 0, find 0/0 [ 398.663024] Free swap = 0kB [ 398.663027] Total swap = 0kB [ 398.663036] 1965979 pages RAM [ 398.663039] 0 pages HighMem/MovableOnly [ 398.663041] 313617 pages reserved [ 398.879771] cron: page allocation stalls for 10030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 398.879781] CPU: 0 PID: 1943 Comm: cron Not tainted 4.9.141+ #23 [ 398.879799] ffff8801d2d577c0 ffffffff81b42e79 1ffff1003a5aaefa ffff8801d310af80 [ 398.879810] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d2d57908 [ 398.879820] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 398.879822] Call Trace: [ 398.879840] [] dump_stack+0xc1/0x128 [ 398.879850] [] warn_alloc.cold.31+0x7f/0x9c [ 398.879860] [] ? zone_watermark_ok_safe+0x250/0x250 [ 398.879869] [] ? shrink_node+0x740/0x740 ** 11 printk messages dropped ** [ 398.879967] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 398.879976] [] ? generic_file_readonly_mmap+0x190/0x190 [ 398.879983] [] handle_mm_fault+0x1326/0x2350 [ 398.879991] [] ? vm_insert_page+0x6f0/0x6f0 ** 3 printk messages dropped ** [ 398.880035] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 398.880043] [] do_page_fault+0x27/0x30 [ 398.880051] [] page_fault+0x25/0x30 [ 398.880055] Mem-Info: [ 398.880074] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 398.880074] active_file:0 inactive_file:24 isolated_file:0 [ 398.880074] unevictable:0 dirty:0 writeback:0 unstable:0 [ 398.880074] slab_reclaimable:3910 slab_unreclaimable:58337 [ 398.880074] mapped:4 shmem:48 pagetables:353 bounce:0 [ 398.880074] free:6015 free_pcp:89 free_cma:0 [ 398.880089] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 398.880109] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 398.880137] Normal free:5372kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233076kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:236kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 398.880198] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 373*4kB (MEH) 157*8kB (UMH) 86*16kB (UME) 25*32kB (MH) 5*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5372kB 73 total pagecache pages [ 398.880246] 0 pages in swap cache [ 398.880251] Swap cache stats: add 0, delete 0, find 0/0 [ 398.880253] Free swap = 0kB [ 398.880255] Total swap = 0kB [ 398.880258] 1965979 pages RAM [ 398.880260] 0 pages HighMem/MovableOnly [ 398.880262] 313617 pages reserved [ 398.965395] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 398.965395] to free 76kB on behalf of 'syz-executor.4' (3015) because [ 398.965395] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 398.965395] Free memory is -13444kB above reserved [ 399.467549] rs:main Q:Reg: page allocation stalls for 20060ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 399.467559] CPU: 1 PID: 1889 Comm: rs:main Q:Reg Not tainted 4.9.141+ #23 [ 399.467577] ffff8801d39e77c0 ffffffff81b42e79 1ffff1003a73cefa ffff8801d4b74740 [ 399.467588] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d39e7908 [ 399.467599] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 399.467601] Call Trace: [ 399.467617] [] dump_stack+0xc1/0x128 [ 399.467627] [] warn_alloc.cold.31+0x7f/0x9c [ 399.467638] [] ? zone_watermark_ok_safe+0x250/0x250 [ 399.467647] [] ? shrink_node+0x740/0x740 [ 399.467656] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 399.467665] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 399.467674] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 399.467683] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 399.467691] [] ? find_get_entry+0x11a/0x570 [ 399.467698] [] ? find_get_entry+0x141/0x570 [ 399.467706] [] ? page_cache_prev_hole+0x80/0x80 [ 399.467715] [] ? autoremove_wake_function+0x40/0x40 [ 399.467722] [] ? pagecache_get_page+0x131/0x710 [ 399.467731] [] filemap_fault+0xaf1/0x1110 [ 399.467740] [] ext4_filemap_fault+0x71/0xa0 [ 399.467747] [] __do_fault+0x223/0x500 [ 399.467754] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 399.467763] [] ? generic_file_readonly_mmap+0x190/0x190 [ 399.467771] [] handle_mm_fault+0x1326/0x2350 [ 399.467779] [] ? vm_insert_page+0x6f0/0x6f0 [ 399.467786] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 399.467796] [] __do_page_fault+0x403/0xa60 [ 399.467804] [] ? bad_area_access_error+0x3a0/0x3a0 [ 399.467814] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 399.467821] [] do_page_fault+0x27/0x30 [ 399.467830] [] page_fault+0x25/0x30 [ 399.467834] Mem-Info: [ 399.467853] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 399.467853] active_file:0 inactive_file:24 isolated_file:0 [ 399.467853] unevictable:0 dirty:0 writeback:0 unstable:0 [ 399.467853] slab_reclaimable:3910 slab_unreclaimable:58338 [ 399.467853] mapped:4 shmem:48 pagetables:353 bounce:0 [ 399.467853] free:5984 free_pcp:119 free_cma:0 [ 399.467868] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 399.467888] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 399.467917] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233080kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:356kB local_pcp:116kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 399.467977] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 366*4kB (UMEH) 157*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5248kB 73 total pagecache pages [ 399.468026] 0 pages in swap cache [ 399.468030] Swap cache stats: add 0, delete 0, find 0/0 [ 399.468032] Free swap = 0kB [ 399.468035] Total swap = 0kB [ 399.468037] 1965979 pages RAM [ 399.468040] 0 pages HighMem/MovableOnly [ 399.468042] 313617 pages reserved [ 399.975465] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 399.975465] to free 76kB on behalf of 'syz-executor.1' (2998) because [ 399.975465] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 399.975465] Free memory is -13568kB above reserved [ 400.985408] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 400.985408] to free 76kB on behalf of 'init' (1) because [ 400.985408] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 400.985408] Free memory is -13568kB above reserved [ 400.985420] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 400.985420] to free 76kB on behalf of 'syz-executor.2' (2105) because [ 400.985420] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 400.985420] Free memory is -13568kB above reserved [ 401.995597] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 401.995597] to free 76kB on behalf of 'kworker/0:0' (2334) because [ 401.995597] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 401.995597] Free memory is -13568kB above reserved [ 401.995610] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 401.995610] to free 76kB on behalf of 'syz-executor.5' (3004) because [ 401.995610] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 401.995610] Free memory is -13568kB above reserved [ 402.032623] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 402.032623] to free 76kB on behalf of 'rs:main Q:Reg' (1889) because [ 402.032623] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 402.032623] Free memory is -13568kB above reserved [ 402.199759] init: page allocation stalls for 20030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 402.199770] CPU: 1 PID: 1 Comm: init Not tainted 4.9.141+ #23 [ 402.199788] ffff8801da6077c0 ffffffff81b42e79 1ffff1003b4c0efa ffff8801da5f8000 [ 402.199799] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 402.199809] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 402.199811] Call Trace: [ 402.199829] [] dump_stack+0xc1/0x128 [ 402.199839] [] warn_alloc.cold.31+0x7f/0x9c [ 402.199850] [] ? zone_watermark_ok_safe+0x250/0x250 [ 402.199859] [] ? shrink_node+0x740/0x740 [ 402.199868] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 402.199876] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 402.199886] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 402.199895] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 402.199902] [] ? find_get_entry+0x11a/0x570 [ 402.199910] [] ? find_get_entry+0x141/0x570 [ 402.199917] [] ? page_cache_prev_hole+0x80/0x80 [ 402.199926] [] ? __lock_acquire+0x654/0x4a10 [ 402.199933] [] ? pagecache_get_page+0x131/0x710 [ 402.199941] [] filemap_fault+0xaf1/0x1110 [ 402.199950] [] ext4_filemap_fault+0x71/0xa0 [ 402.199958] [] __do_fault+0x223/0x500 [ 402.199965] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 402.199974] [] ? generic_file_readonly_mmap+0x190/0x190 [ 402.199981] [] handle_mm_fault+0x1326/0x2350 [ 402.199994] [] ? vm_insert_page+0x6f0/0x6f0 [ 402.200014] [] ? kvm_clock_get_cycles+0x9/0x10 [ 402.200032] [] __do_page_fault+0x403/0xa60 [ 402.200046] [] ? bad_area_access_error+0x3a0/0x3a0 [ 402.200068] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 402.200083] [] do_page_fault+0x27/0x30 [ 402.200092] [] page_fault+0x25/0x30 [ 402.200095] Mem-Info: [ 402.200114] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 402.200114] active_file:0 inactive_file:24 isolated_file:0 [ 402.200114] unevictable:0 dirty:0 writeback:0 unstable:0 [ 402.200114] slab_reclaimable:3910 slab_unreclaimable:58340 [ 402.200114] mapped:4 shmem:48 pagetables:353 bounce:0 [ 402.200114] free:5984 free_pcp:117 free_cma:0 ** 40 printk messages dropped ** [ 408.457686] [] ? autoremove_wake_function+0x40/0x40 [ 408.457693] [] ? pagecache_get_page+0x131/0x710 [ 408.457701] [] filemap_fault+0xaf1/0x1110 ** 46 printk messages dropped ** [ 408.472599] [] ? pagecache_get_page+0x131/0x710 [ 408.472607] [] filemap_fault+0xaf1/0x1110 [ 408.472617] [] ext4_filemap_fault+0x71/0xa0 [ 408.472624] [] __do_fault+0x223/0x500 ** 44 printk messages dropped ** [ 408.682711] [] ? page_cache_prev_hole+0x80/0x80 [ 408.682720] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 408.682728] [] ? pagecache_get_page+0x131/0x710 [ 408.682736] [] filemap_fault+0xaf1/0x1110 [ 408.682745] [] ext4_filemap_fault+0x71/0xa0 [ 408.682752] [] __do_fault+0x223/0x500 [ 408.682760] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 408.682768] [] ? generic_file_readonly_mmap+0x190/0x190 [ 408.682776] [] handle_mm_fault+0x1326/0x2350 [ 408.682784] [] ? vm_insert_page+0x6f0/0x6f0 [ 408.682793] [] ? kvm_clock_read+0x23/0x40 [ 408.682801] [] ? kvm_clock_get_cycles+0x9/0x10 [ 408.682810] [] __do_page_fault+0x403/0xa60 [ 408.682819] [] ? bad_area_access_error+0x3a0/0x3a0 [ 408.682829] [] ? trace_hardirqs_off_thunk+0x1a/0x1c ** 35 printk messages dropped ** [ 408.903557] [] ? page_cache_prev_hole+0x80/0x80 [ 408.903565] [] ? pagecache_get_page+0x131/0x710 ** 5 printk messages dropped ** [ 408.903613] [] handle_mm_fault+0x1326/0x2350 [ 408.903621] [] ? vm_insert_page+0x6f0/0x6f0 [ 408.903630] [] ? hrtimer_nanosleep+0x38c/0x550 [ 408.903640] [] __do_page_fault+0x403/0xa60 [ 408.903648] [] ? bad_area_access_error+0x3a0/0x3a0 [ 408.903658] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 408.903666] [] do_page_fault+0x27/0x30 [ 408.903674] [] page_fault+0x25/0x30 [ 408.903678] Mem-Info: [ 408.903698] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 408.903698] active_file:0 inactive_file:24 isolated_file:0 [ 408.903698] unevictable:0 dirty:0 writeback:0 unstable:0 [ 408.903698] slab_reclaimable:3910 slab_unreclaimable:58342 [ 408.903698] mapped:4 shmem:48 pagetables:353 bounce:0 [ 408.903698] free:5982 free_pcp:117 free_cma:0 [ 408.903713] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 408.903734] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 408.903762] Normal free:5240kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233096kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:348kB local_pcp:240kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 408.903822] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 366*4kB (UMEH) 156*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5240kB 73 total pagecache pages [ 408.903871] 0 pages in swap cache [ 408.903875] Swap cache stats: add 0, delete 0, find 0/0 [ 408.903877] Free swap = 0kB [ 408.903879] Total swap = 0kB [ 408.903882] 1965979 pages RAM [ 408.903884] 0 pages HighMem/MovableOnly [ 408.903887] 313617 pages reserved [ 409.095444] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 409.095444] to free 76kB on behalf of 'syz-executor.4' (3015) because [ 409.095444] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 409.095444] Free memory is -13576kB above reserved [ 409.095456] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 409.095456] to free 76kB on behalf of 'rsyslogd' (1891) because [ 409.095456] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 409.095456] Free memory is -13576kB above reserved [ 409.432485] rs:main Q:Reg: page allocation stalls for 30020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 409.432496] CPU: 0 PID: 1889 Comm: rs:main Q:Reg Not tainted 4.9.141+ #23 [ 409.432514] ffff8801d39e77c0 ffffffff81b42e79 1ffff1003a73cefa ffff8801d4b74740 [ 409.432524] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d39e7908 [ 409.432535] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 409.432537] Call Trace: [ 409.432554] [] dump_stack+0xc1/0x128 [ 409.432564] [] warn_alloc.cold.31+0x7f/0x9c [ 409.432574] [] ? zone_watermark_ok_safe+0x250/0x250 [ 409.432583] [] ? shrink_node+0x740/0x740 [ 409.432592] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 409.432601] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 409.432610] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 409.432619] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 409.432626] [] ? find_get_entry+0x11a/0x570 ** 9 printk messages dropped ** [ 409.432705] [] handle_mm_fault+0x1326/0x2350 [ 409.432713] [] ? vm_insert_page+0x6f0/0x6f0 [ 409.432721] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 409.432730] [] __do_page_fault+0x403/0xa60 [ 409.432738] [] ? bad_area_access_error+0x3a0/0x3a0 [ 409.432748] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 409.432756] [] do_page_fault+0x27/0x30 [ 409.432764] [] page_fault+0x25/0x30 [ 409.432768] Mem-Info: [ 409.432787] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 409.432787] active_file:0 inactive_file:24 isolated_file:0 [ 409.432787] unevictable:0 dirty:0 writeback:0 unstable:0 [ 409.432787] slab_reclaimable:3910 slab_unreclaimable:58342 [ 409.432787] mapped:4 shmem:48 pagetables:353 bounce:0 [ 409.432787] free:5982 free_pcp:117 free_cma:0 [ 409.432801] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 409.432821] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 409.432850] Normal free:5240kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233096kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:348kB local_pcp:240kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 409.432910] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 366*4kB (UMEH) 156*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5240kB 73 total pagecache pages [ 409.432958] 0 pages in swap cache [ 409.432962] Swap cache stats: add 0, delete 0, find 0/0 [ 409.432965] Free swap = 0kB [ 409.432967] Total swap = 0kB [ 409.432969] 1965979 pages RAM [ 409.432972] 0 pages HighMem/MovableOnly [ 409.432974] 313617 pages reserved [ 410.105395] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 410.105395] to free 76kB on behalf of 'rsyslogd' (1891) because [ 410.105395] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 410.105395] Free memory is -13576kB above reserved [ 410.105407] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 410.105407] to free 76kB on behalf of 'syz-executor.4' (3015) because [ 410.105407] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 410.105407] Free memory is -13576kB above reserved [ 411.115443] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 411.115443] to free 76kB on behalf of 'syz-executor.3' (3013) because [ 411.115443] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 411.115443] Free memory is -13576kB above reserved [ 411.115456] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 411.115456] to free 76kB on behalf of 'syz-execprog' (2090) because [ 411.115456] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 411.115456] Free memory is -13576kB above reserved [ 412.125441] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 412.125441] to free 76kB on behalf of 'rsyslogd' (1891) because [ 412.125441] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 412.125441] Free memory is -13576kB above reserved [ 412.201688] init: page allocation stalls for 30030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 412.201698] CPU: 0 PID: 1 Comm: init Not tainted 4.9.141+ #23 [ 412.201717] ffff8801da6077c0 ffffffff81b42e79 1ffff1003b4c0efa ffff8801da5f8000 [ 412.201728] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 412.201738] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 412.201740] Call Trace: [ 412.201758] [] dump_stack+0xc1/0x128 [ 412.201768] [] warn_alloc.cold.31+0x7f/0x9c [ 412.201778] [] ? zone_watermark_ok_safe+0x250/0x250 [ 412.201787] [] ? shrink_node+0x740/0x740 [ 412.201796] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 412.201805] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 412.201814] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 412.201823] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 412.201831] [] ? find_get_entry+0x11a/0x570 [ 412.201839] [] ? find_get_entry+0x141/0x570 [ 412.201846] [] ? page_cache_prev_hole+0x80/0x80 [ 412.201854] [] ? __lock_acquire+0x654/0x4a10 [ 412.201862] [] ? pagecache_get_page+0x131/0x710 [ 412.201870] [] filemap_fault+0xaf1/0x1110 [ 412.201879] [] ext4_filemap_fault+0x71/0xa0 [ 412.201887] [] __do_fault+0x223/0x500 [ 412.201894] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 412.201902] [] ? generic_file_readonly_mmap+0x190/0x190 [ 412.201910] [] handle_mm_fault+0x1326/0x2350 [ 412.201917] [] ? vm_insert_page+0x6f0/0x6f0 [ 412.201927] [] ? kvm_clock_get_cycles+0x9/0x10 [ 412.201937] [] __do_page_fault+0x403/0xa60 [ 412.201944] [] ? bad_area_access_error+0x3a0/0x3a0 [ 412.201955] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 412.201962] [] do_page_fault+0x27/0x30 [ 412.201971] [] page_fault+0x25/0x30 [ 412.201975] Mem-Info: [ 412.201994] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 412.201994] active_file:0 inactive_file:24 isolated_file:0 [ 412.201994] unevictable:0 dirty:0 writeback:0 unstable:0 [ 412.201994] slab_reclaimable:3910 slab_unreclaimable:58342 [ 412.201994] mapped:4 shmem:48 pagetables:353 bounce:0 [ 412.201994] free:5982 free_pcp:117 free_cma:0 [ 412.202008] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 412.202035] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 412.202063] Normal free:5240kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233096kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:348kB local_pcp:240kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 412.202123] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 366*4kB (UMEH) 156*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5240kB 73 total pagecache pages [ 412.202171] 0 pages in swap cache [ 412.202175] Swap cache stats: add 0, delete 0, find 0/0 [ 412.202178] Free swap = 0kB [ 412.202180] Total swap = 0kB [ 412.202182] 1965979 pages RAM [ 412.202185] 0 pages HighMem/MovableOnly [ 412.202187] 313617 pages reserved [ 413.135393] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 413.135393] to free 76kB on behalf of 'init' (1) because [ 413.135393] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 413.135393] Free memory is -13576kB above reserved [ 414.145410] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 414.145410] to free 76kB on behalf of 'syz-executor.1' (2998) because [ 414.145410] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 414.145410] Free memory is -13576kB above reserved [ 414.145422] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 414.145422] to free 76kB on behalf of 'cron' (1943) because [ 414.145422] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 414.145422] Free memory is -13576kB above reserved [ 415.155445] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 415.155445] to free 76kB on behalf of 'syz-executor.0' (3014) because [ 415.155445] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 415.155445] Free memory is -13576kB above reserved [ 415.155463] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 415.155463] to free 76kB on behalf of 'kworker/0:0' (2334) because [ 415.155463] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 415.155463] Free memory is -13576kB above reserved [ 416.165481] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 416.165481] to free 76kB on behalf of 'syz-execprog' (2090) because [ 416.165481] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 416.165481] Free memory is -13576kB above reserved [ 417.175409] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 417.175409] to free 76kB on behalf of 'syz-executor.3' (3013) because [ 417.175409] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 417.175409] Free memory is -13576kB above reserved ** 60 printk messages dropped ** [ 418.460823] [] ? zone_watermark_ok_safe+0x250/0x250 [ 418.460831] [] ? shrink_node+0x740/0x740 [ 418.460841] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 418.460849] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 418.460859] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 418.460868] [] ? radix_tree_lookup_slot+0x85/0xc0 ** 48 printk messages dropped ** [ 418.701772] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 418.701780] [] ? find_get_entry+0x11a/0x570 [ 418.701787] [] ? find_get_entry+0x141/0x570 [ 418.701795] [] ? page_cache_prev_hole+0x80/0x80 ** 44 printk messages dropped ** [ 418.882626] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 418.882636] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 418.882645] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 418.882652] [] ? find_get_entry+0x11a/0x570 [ 418.882660] [] ? find_get_entry+0x141/0x570 [ 418.882667] [] ? page_cache_prev_hole+0x80/0x80 [ 418.882675] [] ? pagecache_get_page+0x131/0x710 [ 418.882683] [] filemap_fault+0xaf1/0x1110 [ 418.882692] [] ext4_filemap_fault+0x71/0xa0 [ 418.882700] [] __do_fault+0x223/0x500 [ 418.882707] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 418.882715] [] ? generic_file_readonly_mmap+0x190/0x190 ** 32 printk messages dropped ** [ 419.422074] Call Trace: [ 419.422090] [] dump_stack+0xc1/0x128 [ 419.422100] [] warn_alloc.cold.31+0x7f/0x9c [ 419.422110] [] ? zone_watermark_ok_safe+0x250/0x250 ** 3 printk messages dropped ** [ 419.422145] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 419.422152] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 419.422159] [] ? find_get_entry+0x11a/0x570 [ 419.422166] [] ? find_get_entry+0x141/0x570 [ 419.422174] [] ? page_cache_prev_hole+0x80/0x80 [ 419.422182] [] ? autoremove_wake_function+0x40/0x40 [ 419.422190] [] ? pagecache_get_page+0x131/0x710 [ 419.422197] [] filemap_fault+0xaf1/0x1110 [ 419.422206] [] ext4_filemap_fault+0x71/0xa0 [ 419.422213] [] __do_fault+0x223/0x500 [ 419.422219] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 419.422227] [] ? generic_file_readonly_mmap+0x190/0x190 [ 419.422235] [] handle_mm_fault+0x1326/0x2350 [ 419.422242] [] ? vm_insert_page+0x6f0/0x6f0 [ 419.422249] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 419.422258] [] __do_page_fault+0x403/0xa60 [ 419.422266] [] ? bad_area_access_error+0x3a0/0x3a0 [ 419.422275] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 419.422282] [] do_page_fault+0x27/0x30 [ 419.422289] [] page_fault+0x25/0x30 [ 419.422293] Mem-Info: [ 419.422311] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 419.422311] active_file:0 inactive_file:24 isolated_file:0 [ 419.422311] unevictable:0 dirty:0 writeback:0 unstable:0 [ 419.422311] slab_reclaimable:3910 slab_unreclaimable:58342 [ 419.422311] mapped:4 shmem:48 pagetables:353 bounce:0 [ 419.422311] free:5982 free_pcp:117 free_cma:0 [ 419.422325] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 419.422344] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 419.422370] Normal free:5240kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233096kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:348kB local_pcp:240kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 419.422427] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 366*4kB (UMEH) 156*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5240kB 73 total pagecache pages [ 419.422472] 0 pages in swap cache [ 419.422476] Swap cache stats: add 0, delete 0, find 0/0 [ 419.422478] Free swap = 0kB [ 419.422480] Total swap = 0kB [ 419.422483] 1965979 pages RAM [ 419.422485] 0 pages HighMem/MovableOnly [ 419.422487] 313617 pages reserved [ 420.205388] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 420.205388] to free 76kB on behalf of 'syz-executor.0' (3014) because [ 420.205388] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 420.205388] Free memory is -13576kB above reserved [ 420.205400] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 420.205400] to free 76kB on behalf of 'syz-executor.1' (2998) because [ 420.205400] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 420.205400] Free memory is -13576kB above reserved [ 421.215411] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 421.215411] to free 76kB on behalf of 'kworker/0:0' (2334) because [ 421.215411] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 421.215411] Free memory is -13576kB above reserved ** 13 printk messages dropped ** [ 422.233597] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 422.233606] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 422.233613] [] ? find_get_entry+0x11a/0x570 [ 422.233621] [] ? find_get_entry+0x141/0x570 [ 422.233629] [] ? page_cache_prev_hole+0x80/0x80 [ 422.233637] [] ? __lock_acquire+0x654/0x4a10 [ 422.233644] [] ? pagecache_get_page+0x131/0x710 [ 422.233652] [] filemap_fault+0xaf1/0x1110 [ 422.233662] [] ext4_filemap_fault+0x71/0xa0 [ 422.233669] [] __do_fault+0x223/0x500 [ 422.233676] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 422.233685] [] ? generic_file_readonly_mmap+0x190/0x190 [ 422.233693] [] handle_mm_fault+0x1326/0x2350 [ 422.233701] [] ? vm_insert_page+0x6f0/0x6f0 [ 422.233711] [] ? kvm_clock_get_cycles+0x9/0x10 [ 422.233720] [] __do_page_fault+0x403/0xa60 [ 422.233728] [] ? bad_area_access_error+0x3a0/0x3a0 [ 422.233739] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 422.233746] [] do_page_fault+0x27/0x30 [ 422.233754] [] page_fault+0x25/0x30 [ 422.233758] Mem-Info: [ 422.233777] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 422.233777] active_file:0 inactive_file:24 isolated_file:0 [ 422.233777] unevictable:0 dirty:0 writeback:0 unstable:0 [ 422.233777] slab_reclaimable:3910 slab_unreclaimable:58342 [ 422.233777] mapped:4 shmem:48 pagetables:353 bounce:0 [ 422.233777] free:5982 free_pcp:117 free_cma:0 [ 422.233792] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 422.233813] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 422.233841] Normal free:5240kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233096kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:348kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 422.233902] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 366*4kB (UMEH) 156*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5240kB 73 total pagecache pages [ 422.233950] 0 pages in swap cache [ 422.233955] Swap cache stats: add 0, delete 0, find 0/0 [ 422.233957] Free swap = 0kB [ 422.233959] Total swap = 0kB [ 422.233962] 1965979 pages RAM [ 422.233964] 0 pages HighMem/MovableOnly [ 422.233966] 313617 pages reserved [ 423.235498] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 423.235498] to free 76kB on behalf of 'cron' (1943) because [ 423.235498] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 423.235498] Free memory is -13576kB above reserved [ 424.245389] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 424.245389] to free 76kB on behalf of 'syz-executor.0' (3014) because [ 424.245389] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 424.245389] Free memory is -13576kB above reserved [ 424.245400] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 424.245400] to free 76kB on behalf of 'cron' (1943) because [ 424.245400] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 424.245400] Free memory is -13576kB above reserved [ 425.255461] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 425.255461] to free 76kB on behalf of 'rs:main Q:Reg' (1889) because [ 425.255461] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 425.255461] Free memory is -13576kB above reserved [ 426.265384] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 426.265384] to free 76kB on behalf of 'cron' (1943) because [ 426.265384] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 426.265384] Free memory is -13576kB above reserved [ 427.275449] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 427.275449] to free 76kB on behalf of 'syz-execprog' (2090) because [ 427.275449] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 427.275449] Free memory is -13576kB above reserved [ 427.275460] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 427.275460] to free 76kB on behalf of 'init' (1) because [ 427.275460] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 427.275460] Free memory is -13576kB above reserved [ 428.285413] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 428.285413] to free 76kB on behalf of 'cron' (1943) because [ 428.285413] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 428.285413] Free memory is -13576kB above reserved [ 428.285430] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 428.285430] to free 76kB on behalf of 'syz-executor.4' (3015) because [ 428.285430] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 428.285430] Free memory is -13576kB above reserved [ 428.469707] syz-executor.2: page allocation stalls for 50020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 428.469718] CPU: 0 PID: 2105 Comm: syz-executor.2 Not tainted 4.9.141+ #23 [ 428.469736] ffff8801cc9af7c0 ffffffff81b42e79 1ffff10039935efa ffff8801cc9f0000 [ 428.469747] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cc9af908 [ 428.469758] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 428.469760] Call Trace: [ 428.469777] [] dump_stack+0xc1/0x128 [ 428.469787] [] warn_alloc.cold.31+0x7f/0x9c [ 428.469797] [] ? zone_watermark_ok_safe+0x250/0x250 [ 428.469806] [] ? shrink_node+0x740/0x740 [ 428.469815] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 428.469823] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 428.469833] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 428.469842] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 428.469849] [] ? find_get_entry+0x11a/0x570 [ 428.469857] [] ? find_get_entry+0x141/0x570 [ 428.469864] [] ? page_cache_prev_hole+0x80/0x80 [ 428.469872] [] ? pagecache_get_page+0x131/0x710 [ 428.469880] [] filemap_fault+0xaf1/0x1110 [ 428.469889] [] ext4_filemap_fault+0x71/0xa0 [ 428.469897] [] __do_fault+0x223/0x500 [ 428.469904] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 428.469913] [] ? generic_file_readonly_mmap+0x190/0x190 [ 428.469921] [] handle_mm_fault+0x1326/0x2350 [ 428.469928] [] ? vm_insert_page+0x6f0/0x6f0 [ 428.469938] [] ? compat_SyS_wait4+0x1e9/0x290 [ 428.469946] [] ? put_compat_rusage+0x550/0x550 [ 428.469956] [] __do_page_fault+0x403/0xa60 [ 428.469964] [] ? bad_area_access_error+0x3a0/0x3a0 [ 428.469975] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 428.469982] [] do_page_fault+0x27/0x30 [ 428.469991] [] page_fault+0x25/0x30 [ 428.469994] Mem-Info: [ 428.470014] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 428.470014] active_file:0 inactive_file:24 isolated_file:0 [ 428.470014] unevictable:0 dirty:0 writeback:0 unstable:0 [ 428.470014] slab_reclaimable:3910 slab_unreclaimable:58342 [ 428.470014] mapped:4 shmem:48 pagetables:353 bounce:0 [ 428.470014] free:5982 free_pcp:117 free_cma:0 [ 428.470035] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 428.470055] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 428.470083] Normal free:5240kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233096kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:348kB local_pcp:240kB free_cma:0kB lowmem_reserve[]: 0 0 0 ** 28 printk messages dropped ** [ 428.477930] [] ? pagecache_get_page+0x131/0x710 [ 428.477938] [] filemap_fault+0xaf1/0x1110 ** 47 printk messages dropped ** [ 428.669987] [] ? pagecache_get_page+0x131/0x710 [ 428.669995] [] filemap_fault+0xaf1/0x1110 ** 48 printk messages dropped ** [ 428.895320] [] filemap_fault+0xaf1/0x1110 [ 428.895329] [] ext4_filemap_fault+0x71/0xa0 ** 2 printk messages dropped ** [ 428.895352] [] ? generic_file_readonly_mmap+0x190/0x190 [ 428.895360] [] handle_mm_fault+0x1326/0x2350 ** 43 printk messages dropped ** [ 429.442647] [] ? pagecache_get_page+0x131/0x710 [ 429.442655] [] filemap_fault+0xaf1/0x1110 [ 429.442664] [] ext4_filemap_fault+0x71/0xa0 [ 429.442671] [] __do_fault+0x223/0x500 [ 429.442678] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 429.442687] [] ? generic_file_readonly_mmap+0x190/0x190 [ 429.442695] [] handle_mm_fault+0x1326/0x2350 [ 429.442702] [] ? vm_insert_page+0x6f0/0x6f0 [ 429.442710] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 429.442719] [] __do_page_fault+0x403/0xa60 [ 429.442728] [] ? bad_area_access_error+0x3a0/0x3a0 [ 429.442738] [] ? trace_hardirqs_off_thunk+0x1a/0x1c ** 32 printk messages dropped ** [ 432.188617] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 432.188626] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 432.188635] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 432.188643] [] ? find_get_entry+0x11a/0x570 [ 432.188651] [] ? find_get_entry+0x141/0x570 ** 2 printk messages dropped ** [ 432.188674] [] ? pagecache_get_page+0x131/0x710 [ 432.188681] [] filemap_fault+0xaf1/0x1110 [ 432.188691] [] ext4_filemap_fault+0x71/0xa0 [ 432.188698] [] __do_fault+0x223/0x500 [ 432.188706] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 432.188714] [] ? generic_file_readonly_mmap+0x190/0x190 [ 432.188721] [] handle_mm_fault+0x1326/0x2350 [ 432.188729] [] ? vm_insert_page+0x6f0/0x6f0 [ 432.188739] [] ? kvm_clock_get_cycles+0x9/0x10 [ 432.188748] [] __do_page_fault+0x403/0xa60 [ 432.188756] [] ? bad_area_access_error+0x3a0/0x3a0 [ 432.188767] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 432.188774] [] do_page_fault+0x27/0x30 [ 432.188782] [] page_fault+0x25/0x30 [ 432.188786] Mem-Info: [ 432.188805] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 432.188805] active_file:0 inactive_file:24 isolated_file:0 [ 432.188805] unevictable:0 dirty:0 writeback:0 unstable:0 [ 432.188805] slab_reclaimable:3910 slab_unreclaimable:58345 [ 432.188805] mapped:4 shmem:48 pagetables:353 bounce:0 [ 432.188805] free:5980 free_pcp:116 free_cma:0 [ 432.188819] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 432.188840] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 432.188868] Normal free:5232kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233108kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:344kB local_pcp:104kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 432.188929] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 366*4kB (UMEH) 155*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5232kB 73 total pagecache pages [ 432.188978] 0 pages in swap cache [ 432.188982] Swap cache stats: add 0, delete 0, find 0/0 [ 432.188984] Free swap = 0kB [ 432.188987] Total swap = 0kB [ 432.188989] 1965979 pages RAM [ 432.188992] 0 pages HighMem/MovableOnly [ 432.188994] 313617 pages reserved [ 432.325422] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 432.325422] to free 76kB on behalf of 'syz-executor.1' (2998) because [ 432.325422] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 432.325422] Free memory is -13584kB above reserved [ 433.335412] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 433.335412] to free 76kB on behalf of 'syz-executor.4' (3015) because [ 433.335412] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 433.335412] Free memory is -13584kB above reserved [ 434.345425] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 434.345425] to free 76kB on behalf of 'syz-execprog' (2090) because [ 434.345425] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 434.345425] Free memory is -13584kB above reserved [ 435.355460] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 435.355460] to free 76kB on behalf of 'syz-executor.1' (2998) because [ 435.355460] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 435.355460] Free memory is -13584kB above reserved [ 435.355472] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 435.355472] to free 76kB on behalf of 'syz-executor.0' (3014) because [ 435.355472] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 435.355472] Free memory is -13584kB above reserved ** 5 printk messages dropped ** [ 438.431086] CPU: 0 PID: 1891 Comm: rsyslogd Not tainted 4.9.141+ #23 [ 438.431104] ffff8801d39cf7c0 ffffffff81b42e79 1ffff1003a739efa ffff8801d3cb2f80 [ 438.431115] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d39cf908 [ 438.431126] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 438.431128] Call Trace: [ 438.431145] [] dump_stack+0xc1/0x128 [ 438.431155] [] warn_alloc.cold.31+0x7f/0x9c [ 438.431165] [] ? zone_watermark_ok_safe+0x250/0x250 [ 438.431174] [] ? shrink_node+0x740/0x740 [ 438.431184] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 438.431193] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 438.431202] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 438.431210] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 438.431218] [] ? find_get_entry+0x11a/0x570 [ 438.431226] [] ? find_get_entry+0x141/0x570 [ 438.431233] [] ? page_cache_prev_hole+0x80/0x80 [ 438.431242] [] ? autoremove_wake_function+0x40/0x40 [ 438.431250] [] ? pagecache_get_page+0x131/0x710 [ 438.431258] [] filemap_fault+0xaf1/0x1110 [ 438.431267] [] ext4_filemap_fault+0x71/0xa0 [ 438.431275] [] __do_fault+0x223/0x500 [ 438.431282] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 438.431290] [] ? generic_file_readonly_mmap+0x190/0x190 [ 438.431298] [] handle_mm_fault+0x1326/0x2350 [ 438.431306] [] ? vm_insert_page+0x6f0/0x6f0 [ 438.431313] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 438.431323] [] __do_page_fault+0x403/0xa60 [ 438.431331] [] ? bad_area_access_error+0x3a0/0x3a0 [ 438.431341] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 438.431349] [] do_page_fault+0x27/0x30 [ 438.431357] [] page_fault+0x25/0x30 [ 438.431361] Mem-Info: [ 438.431380] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 438.431380] active_file:0 inactive_file:24 isolated_file:0 [ 438.431380] unevictable:0 dirty:0 writeback:0 unstable:0 [ 438.431380] slab_reclaimable:3910 slab_unreclaimable:58347 [ 438.431380] mapped:4 shmem:48 pagetables:353 bounce:0 [ 438.431380] free:5980 free_pcp:114 free_cma:0 [ 438.431394] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 438.431415] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 438.431443] Normal free:5232kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233116kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:336kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 438.431503] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 366*4kB (UMEH) 155*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5232kB 73 total pagecache pages [ 438.431550] 0 pages in swap cache [ 438.431554] Swap cache stats: add 0, delete 0, find 0/0 [ 438.431557] Free swap = 0kB [ 438.431559] Total swap = 0kB [ 438.431561] 1965979 pages RAM [ 438.431563] 0 pages HighMem/MovableOnly [ 438.431566] 313617 pages reserved [ 438.472318] syz-executor.2: page allocation stalls for 60020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 438.472328] CPU: 0 PID: 2105 Comm: syz-executor.2 Not tainted 4.9.141+ #23 [ 438.472344] ffff8801cc9af7c0 ffffffff81b42e79 1ffff10039935efa ffff8801cc9f0000 [ 438.472354] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cc9af908 [ 438.472364] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 438.472366] Call Trace: [ 438.472383] [] dump_stack+0xc1/0x128 [ 438.472393] [] warn_alloc.cold.31+0x7f/0x9c [ 438.472402] [] ? zone_watermark_ok_safe+0x250/0x250 [ 438.472411] [] ? shrink_node+0x740/0x740 [ 438.472420] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 438.472429] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 438.472437] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 438.472445] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 438.472452] [] ? find_get_entry+0x11a/0x570 [ 438.472459] [] ? find_get_entry+0x141/0x570 [ 438.472466] [] ? page_cache_prev_hole+0x80/0x80 [ 438.472473] [] ? pagecache_get_page+0x131/0x710 [ 438.472481] [] filemap_fault+0xaf1/0x1110 [ 438.472489] [] ext4_filemap_fault+0x71/0xa0 [ 438.472496] [] __do_fault+0x223/0x500 [ 438.472503] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 438.472512] [] ? generic_file_readonly_mmap+0x190/0x190 [ 438.472519] [] handle_mm_fault+0x1326/0x2350 [ 438.472526] [] ? vm_insert_page+0x6f0/0x6f0 [ 438.472535] [] ? compat_SyS_wait4+0x1e9/0x290 [ 438.472542] [] ? put_compat_rusage+0x550/0x550 [ 438.472551] [] __do_page_fault+0x403/0xa60 [ 438.472559] [] ? bad_area_access_error+0x3a0/0x3a0 [ 438.472569] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 438.472576] [] do_page_fault+0x27/0x30 [ 438.472585] [] page_fault+0x25/0x30 [ 438.472588] Mem-Info: [ 438.472606] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 438.472606] active_file:0 inactive_file:24 isolated_file:0 [ 438.472606] unevictable:0 dirty:0 writeback:0 unstable:0 [ 438.472606] slab_reclaimable:3910 slab_unreclaimable:58347 [ 438.472606] mapped:4 shmem:48 pagetables:353 bounce:0 [ 438.472606] free:5980 free_pcp:114 free_cma:0 [ 438.472620] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 438.472638] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 438.472664] Normal free:5232kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233116kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:336kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 438.472719] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 366*4kB (UMEH) 155*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5232kB 73 total pagecache pages [ 438.472764] 0 pages in swap cache [ 438.472768] Swap cache stats: add 0, delete 0, find 0/0 [ 438.472770] Free swap = 0kB [ 438.472772] Total swap = 0kB [ 438.472774] 1965979 pages RAM [ 438.472776] 0 pages HighMem/MovableOnly [ 438.472778] 313617 pages reserved [ 438.685483] syz-execprog: page allocation stalls for 60040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 438.685493] CPU: 0 PID: 2090 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 438.685510] ffff8801ce3ff7c0 ffffffff81b42e79 1ffff10039c7fefa ffff8801cef2af80 [ 438.685520] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ce3ff908 [ 438.685529] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 438.685531] Call Trace: [ 438.685549] [] dump_stack+0xc1/0x128 [ 438.685559] [] warn_alloc.cold.31+0x7f/0x9c [ 438.685569] [] ? zone_watermark_ok_safe+0x250/0x250 [ 438.685578] [] ? shrink_node+0x740/0x740 [ 438.685587] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 438.685595] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 438.685604] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 438.685611] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 438.685618] [] ? find_get_entry+0x11a/0x570 [ 438.685625] [] ? find_get_entry+0x141/0x570 [ 438.685632] [] ? page_cache_prev_hole+0x80/0x80 [ 438.685640] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 438.685647] [] ? pagecache_get_page+0x131/0x710 [ 438.685655] [] filemap_fault+0xaf1/0x1110 [ 438.685663] [] ext4_filemap_fault+0x71/0xa0 [ 438.685670] [] __do_fault+0x223/0x500 [ 438.685676] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 438.685684] [] ? generic_file_readonly_mmap+0x190/0x190 [ 438.685692] [] handle_mm_fault+0x1326/0x2350 [ 438.685699] [] ? vm_insert_page+0x6f0/0x6f0 [ 438.685707] [] ? kvm_clock_read+0x23/0x40 [ 438.685714] [] ? kvm_clock_get_cycles+0x9/0x10 [ 438.685722] [] __do_page_fault+0x403/0xa60 [ 438.685730] [] ? bad_area_access_error+0x3a0/0x3a0 ** 46 printk messages dropped ** [ 438.880787] [] __do_page_fault+0x403/0xa60 [ 438.880795] [] ? bad_area_access_error+0x3a0/0x3a0 [ 438.880806] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 438.880813] [] do_page_fault+0x27/0x30 [ 438.880822] [] page_fault+0x25/0x30 [ 438.880826] Mem-Info: [ 438.880844] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 438.880844] active_file:0 inactive_file:24 isolated_file:0 [ 438.880844] unevictable:0 dirty:0 writeback:0 unstable:0 [ 438.880844] slab_reclaimable:3910 slab_unreclaimable:58347 [ 438.880844] mapped:4 shmem:48 pagetables:353 bounce:0 [ 438.880844] free:5980 free_pcp:114 free_cma:0 ** 88 printk messages dropped ** [ 442.192717] [] ext4_filemap_fault+0x71/0xa0 [ 442.192724] [] __do_fault+0x223/0x500 [ 442.192732] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 442.192740] [] ? generic_file_readonly_mmap+0x190/0x190 [ 442.192747] [] handle_mm_fault+0x1326/0x2350 [ 442.192755] [] ? vm_insert_page+0x6f0/0x6f0 [ 442.192765] [] ? kvm_clock_get_cycles+0x9/0x10 [ 442.192775] [] __do_page_fault+0x403/0xa60 [ 442.192783] [] ? bad_area_access_error+0x3a0/0x3a0 [ 442.192793] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 442.192800] [] do_page_fault+0x27/0x30 [ 442.192809] [] page_fault+0x25/0x30 [ 442.192813] Mem-Info: [ 442.192832] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 442.192832] active_file:0 inactive_file:24 isolated_file:0 [ 442.192832] unevictable:0 dirty:0 writeback:0 unstable:0 [ 442.192832] slab_reclaimable:3910 slab_unreclaimable:58347 [ 442.192832] mapped:4 shmem:48 pagetables:353 bounce:0 [ 442.192832] free:5980 free_pcp:114 free_cma:0 ** 21 printk messages dropped ** [ 445.455410] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 445.455410] to free 76kB on behalf of 'rsyslogd' (1891) because [ 445.455410] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 445.455410] Free memory is -13584kB above reserved [ 446.465380] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 446.465380] to free 76kB on behalf of 'syz-executor.5' (3004) because [ 446.465380] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 446.465380] Free memory is -13584kB above reserved [ 446.465392] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 446.465392] to free 76kB on behalf of 'cron' (1943) because [ 446.465392] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 446.465392] Free memory is -13584kB above reserved [ 447.475381] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 447.475381] to free 76kB on behalf of 'cron' (1943) because [ 447.475381] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 447.475381] Free memory is -13584kB above reserved [ 447.475393] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 447.475393] to free 76kB on behalf of 'syz-executor.5' (3004) because [ 447.475393] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 447.475393] Free memory is -13584kB above reserved [ 447.961897] syz-execprog: page allocation stalls for 10040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 447.961906] CPU: 1 PID: 2089 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 447.961925] ffff8801ce3f77c0 ffffffff81b42e79 1ffff10039c7eefa ffff8801cee417c0 [ 447.961935] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ce3f7908 [ 447.961946] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 447.961948] Call Trace: [ 447.961966] [] dump_stack+0xc1/0x128 [ 447.961976] [] warn_alloc.cold.31+0x7f/0x9c [ 447.961986] [] ? zone_watermark_ok_safe+0x250/0x250 [ 447.961995] [] ? shrink_node+0x740/0x740 [ 447.962004] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 447.962013] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 447.962022] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 447.962031] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 447.962038] [] ? find_get_entry+0x11a/0x570 [ 447.962046] [] ? find_get_entry+0x141/0x570 [ 447.962053] [] ? page_cache_prev_hole+0x80/0x80 [ 447.962063] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 447.962070] [] ? pagecache_get_page+0x131/0x710 [ 447.962078] [] filemap_fault+0xaf1/0x1110 [ 447.962088] [] ext4_filemap_fault+0x71/0xa0 [ 447.962095] [] __do_fault+0x223/0x500 [ 447.962102] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 447.962110] [] ? generic_file_readonly_mmap+0x190/0x190 [ 447.962118] [] handle_mm_fault+0x1326/0x2350 [ 447.962126] [] ? vm_insert_page+0x6f0/0x6f0 [ 447.962136] [] ? kvm_clock_read+0x23/0x40 [ 447.962144] [] ? kvm_clock_get_cycles+0x9/0x10 [ 447.962153] [] __do_page_fault+0x403/0xa60 [ 447.962162] [] ? __fget_light+0x169/0x1f0 [ 447.962170] [] ? bad_area_access_error+0x3a0/0x3a0 [ 447.962180] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 447.962188] [] do_page_fault+0x27/0x30 [ 447.962196] [] page_fault+0x25/0x30 [ 447.962200] Mem-Info: [ 447.962219] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 447.962219] active_file:0 inactive_file:24 isolated_file:0 [ 447.962219] unevictable:0 dirty:0 writeback:0 unstable:0 [ 447.962219] slab_reclaimable:3910 slab_unreclaimable:58347 [ 447.962219] mapped:4 shmem:48 pagetables:353 bounce:0 [ 447.962219] free:5980 free_pcp:114 free_cma:0 ** 7 printk messages dropped ** [ 447.962388] 73 total pagecache pages [ 447.962391] 0 pages in swap cache [ 447.962396] Swap cache stats: add 0, delete 0, find 0/0 [ 447.962398] Free swap = 0kB [ 447.962400] Total swap = 0kB [ 447.962403] 1965979 pages RAM [ 447.962405] 0 pages HighMem/MovableOnly [ 447.962407] 313617 pages reserved [ 448.449796] rsyslogd: page allocation stalls for 70030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 448.449806] CPU: 0 PID: 1891 Comm: rsyslogd Not tainted 4.9.141+ #23 [ 448.449824] ffff8801d39cf7c0 ffffffff81b42e79 1ffff1003a739efa ffff8801d3cb2f80 [ 448.449834] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d39cf908 [ 448.449845] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 448.449847] Call Trace: [ 448.449864] [] dump_stack+0xc1/0x128 [ 448.449873] [] warn_alloc.cold.31+0x7f/0x9c [ 448.449883] [] ? zone_watermark_ok_safe+0x250/0x250 [ 448.449892] [] ? shrink_node+0x740/0x740 [ 448.449901] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 448.449910] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 448.449919] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 448.449928] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 448.449935] [] ? find_get_entry+0x11a/0x570 [ 448.449943] [] ? find_get_entry+0x141/0x570 [ 448.449950] [] ? page_cache_prev_hole+0x80/0x80 [ 448.449959] [] ? autoremove_wake_function+0x40/0x40 [ 448.449967] [] ? pagecache_get_page+0x131/0x710 [ 448.449975] [] filemap_fault+0xaf1/0x1110 [ 448.449984] [] ext4_filemap_fault+0x71/0xa0 [ 448.449991] [] __do_fault+0x223/0x500 [ 448.449998] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 448.450007] [] ? generic_file_readonly_mmap+0x190/0x190 [ 448.450015] [] handle_mm_fault+0x1326/0x2350 [ 448.450029] [] ? vm_insert_page+0x6f0/0x6f0 [ 448.450037] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 448.450047] [] __do_page_fault+0x403/0xa60 [ 448.450055] [] ? bad_area_access_error+0x3a0/0x3a0 [ 448.450066] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 448.450073] [] do_page_fault+0x27/0x30 [ 448.450082] [] page_fault+0x25/0x30 [ 448.450086] Mem-Info: [ 448.450106] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 448.450106] active_file:0 inactive_file:24 isolated_file:0 [ 448.450106] unevictable:0 dirty:0 writeback:0 unstable:0 [ 448.450106] slab_reclaimable:3910 slab_unreclaimable:58347 [ 448.450106] mapped:4 shmem:48 pagetables:353 bounce:0 [ 448.450106] free:5980 free_pcp:114 free_cma:0 [ 448.450121] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 448.450141] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 448.450169] Normal free:5232kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233116kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:336kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 448.450229] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 366*4kB (UMEH) 155*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5232kB 73 total pagecache pages [ 448.450277] 0 pages in swap cache [ 448.450281] Swap cache stats: add 0, delete 0, find 0/0 [ 448.450283] Free swap = 0kB [ 448.450286] Total swap = 0kB [ 448.450288] 1965979 pages RAM [ 448.450290] 0 pages HighMem/MovableOnly [ 448.450292] 313617 pages reserved [ 448.482521] syz-executor.2: page allocation stalls for 70030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 448.482532] CPU: 0 PID: 2105 Comm: syz-executor.2 Not tainted 4.9.141+ #23 [ 448.482549] ffff8801cc9af7c0 ffffffff81b42e79 1ffff10039935efa ffff8801cc9f0000 [ 448.482559] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cc9af908 [ 448.482570] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 448.482571] Call Trace: [ 448.482588] [] dump_stack+0xc1/0x128 [ 448.482597] [] warn_alloc.cold.31+0x7f/0x9c [ 448.482608] [] ? zone_watermark_ok_safe+0x250/0x250 [ 448.482616] [] ? shrink_node+0x740/0x740 [ 448.482625] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 448.482634] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 448.482643] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 448.482652] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 448.482659] [] ? find_get_entry+0x11a/0x570 [ 448.482667] [] ? find_get_entry+0x141/0x570 [ 448.482674] [] ? page_cache_prev_hole+0x80/0x80 [ 448.482682] [] ? pagecache_get_page+0x131/0x710 [ 448.482690] [] filemap_fault+0xaf1/0x1110 [ 448.482699] [] ext4_filemap_fault+0x71/0xa0 [ 448.482707] [] __do_fault+0x223/0x500 [ 448.482714] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 448.482722] [] ? generic_file_readonly_mmap+0x190/0x190 [ 448.482730] [] handle_mm_fault+0x1326/0x2350 [ 448.482737] [] ? vm_insert_page+0x6f0/0x6f0 [ 448.482747] [] ? compat_SyS_wait4+0x1e9/0x290 [ 448.482755] [] ? put_compat_rusage+0x550/0x550 [ 448.482765] [] __do_page_fault+0x403/0xa60 [ 448.482773] [] ? bad_area_access_error+0x3a0/0x3a0 [ 448.482783] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 448.482790] [] do_page_fault+0x27/0x30 [ 448.482799] [] page_fault+0x25/0x30 [ 448.482802] Mem-Info: [ 448.482821] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 448.482821] active_file:0 inactive_file:24 isolated_file:0 [ 448.482821] unevictable:0 dirty:0 writeback:0 unstable:0 [ 448.482821] slab_reclaimable:3910 slab_unreclaimable:58347 [ 448.482821] mapped:4 shmem:48 pagetables:353 bounce:0 [ 448.482821] free:5980 free_pcp:114 free_cma:0 [ 448.482835] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 448.482855] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 448.482883] Normal free:5232kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233116kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:336kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 448.482943] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 366*4kB (UMEH) 155*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5232kB 73 total pagecache pages [ 448.482991] 0 pages in swap cache [ 448.482996] Swap cache stats: add 0, delete 0, find 0/0 [ 448.482998] Free swap = 0kB [ 448.483000] Total swap = 0kB [ 448.483002] 1965979 pages RAM [ 448.483005] 0 pages HighMem/MovableOnly [ 448.483007] 313617 pages reserved [ 448.485427] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 448.485427] to free 76kB on behalf of 'kworker/0:0' (2334) because [ 448.485427] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 448.485427] Free memory is -13584kB above reserved [ 448.485439] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 448.485439] to free 76kB on behalf of 'syz-execprog' (2089) because [ 448.485439] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 448.485439] Free memory is -13584kB above reserved [ 448.679134] syz-execprog: page allocation stalls for 70030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 448.679144] CPU: 1 PID: 2090 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 448.679162] ffff8801ce3ff7c0 ffffffff81b42e79 1ffff10039c7fefa ffff8801cef2af80 [ 448.679173] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ce3ff908 [ 448.679183] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 448.679186] Call Trace: [ 448.679204] [] dump_stack+0xc1/0x128 [ 448.679214] [] warn_alloc.cold.31+0x7f/0x9c ** 58 printk messages dropped ** [ 448.879999] [] ? page_cache_prev_hole+0x80/0x80 [ 448.880007] [] ? pagecache_get_page+0x131/0x710 [ 448.880015] [] filemap_fault+0xaf1/0x1110 [ 448.880024] [] ext4_filemap_fault+0x71/0xa0 [ 448.880032] [] __do_fault+0x223/0x500 [ 448.880039] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 448.880047] [] ? generic_file_readonly_mmap+0x190/0x190 ** 43 printk messages dropped ** [ 449.427595] [] ? pagecache_get_page+0x131/0x710 [ 449.427603] [] filemap_fault+0xaf1/0x1110 [ 449.427613] [] ext4_filemap_fault+0x71/0xa0 ** 37 printk messages dropped ** [ 452.237829] Call Trace: [ 452.237846] [] dump_stack+0xc1/0x128 [ 452.237856] [] warn_alloc.cold.31+0x7f/0x9c [ 452.237867] [] ? zone_watermark_ok_safe+0x250/0x250 [ 452.237875] [] ? shrink_node+0x740/0x740 [ 452.237885] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 452.237893] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 452.237902] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 452.237911] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 452.237918] [] ? find_get_entry+0x11a/0x570 [ 452.237926] [] ? find_get_entry+0x141/0x570 [ 452.237933] [] ? page_cache_prev_hole+0x80/0x80 [ 452.237941] [] ? __lock_acquire+0x654/0x4a10 ** 33 printk messages dropped ** [ 453.535449] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 453.535449] to free 76kB on behalf of 'syz-executor.1' (2998) because [ 453.535449] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 453.535449] Free memory is -13584kB above reserved [ 454.545426] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 454.545426] to free 76kB on behalf of 'init' (1) because [ 454.545426] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 454.545426] Free memory is -13584kB above reserved [ 454.545443] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 454.545443] to free 76kB on behalf of 'syz-executor.2' (2105) because [ 454.545443] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 454.545443] Free memory is -13584kB above reserved [ 455.555467] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 455.555467] to free 76kB on behalf of 'syz-executor.0' (3014) because [ 455.555467] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 455.555467] Free memory is -13584kB above reserved [ 455.555479] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 455.555479] to free 76kB on behalf of 'syz-executor.4' (3015) because [ 455.555479] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 455.555479] Free memory is -13584kB above reserved [ 456.565376] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 456.565376] to free 76kB on behalf of 'syz-executor.5' (3004) because [ 456.565376] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 456.565376] Free memory is -13584kB above reserved [ 456.565388] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 456.565388] to free 76kB on behalf of 'syz-execprog' (2089) because [ 456.565388] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 456.565388] Free memory is -13584kB above reserved [ 457.575580] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 457.575580] to free 76kB on behalf of 'syz-executor.5' (3004) because [ 457.575580] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 457.575580] Free memory is -13584kB above reserved [ 457.952513] syz-execprog: page allocation stalls for 20030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 457.952529] CPU: 1 PID: 2089 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 457.952547] ffff8801ce3f77c0 ffffffff81b42e79 1ffff10039c7eefa ffff8801cee417c0 [ 457.952557] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ce3f7908 [ 457.952568] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 457.952570] Call Trace: [ 457.952587] [] dump_stack+0xc1/0x128 [ 457.952597] [] warn_alloc.cold.31+0x7f/0x9c [ 457.952607] [] ? zone_watermark_ok_safe+0x250/0x250 [ 457.952616] [] ? shrink_node+0x740/0x740 [ 457.952625] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 457.952634] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 457.952643] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 457.952652] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 457.952660] [] ? find_get_entry+0x11a/0x570 [ 457.952667] [] ? find_get_entry+0x141/0x570 [ 457.952675] [] ? page_cache_prev_hole+0x80/0x80 [ 457.952684] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 457.952692] [] ? pagecache_get_page+0x131/0x710 [ 457.952700] [] filemap_fault+0xaf1/0x1110 [ 457.952709] [] ext4_filemap_fault+0x71/0xa0 [ 457.952716] [] __do_fault+0x223/0x500 [ 457.952724] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 457.952732] [] ? generic_file_readonly_mmap+0x190/0x190 [ 457.952740] [] handle_mm_fault+0x1326/0x2350 [ 457.952748] [] ? vm_insert_page+0x6f0/0x6f0 [ 457.952757] [] ? kvm_clock_read+0x23/0x40 [ 457.952765] [] ? kvm_clock_get_cycles+0x9/0x10 [ 457.952775] [] __do_page_fault+0x403/0xa60 [ 457.952784] [] ? __fget_light+0x169/0x1f0 ** 10 printk messages dropped ** [ 457.952913] lowmem_reserve[]: 0 0 0 [ 457.952966] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 366*4kB (UMEH) 155*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5232kB 73 total pagecache pages [ 457.953014] 0 pages in swap cache [ 457.953018] Swap cache stats: add 0, delete 0, find 0/0 [ 457.953020] Free swap = 0kB [ 457.953023] Total swap = 0kB [ 457.953026] 1965979 pages RAM [ 457.953028] 0 pages HighMem/MovableOnly [ 457.953030] 313617 pages reserved [ 458.432198] rsyslogd: page allocation stalls for 80010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 458.432209] CPU: 0 PID: 1891 Comm: rsyslogd Not tainted 4.9.141+ #23 [ 458.432227] ffff8801d39cf7c0 ffffffff81b42e79 1ffff1003a739efa ffff8801d3cb2f80 [ 458.432238] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d39cf908 [ 458.432248] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 458.432250] Call Trace: [ 458.432267] [] dump_stack+0xc1/0x128 [ 458.432277] [] warn_alloc.cold.31+0x7f/0x9c [ 458.432287] [] ? zone_watermark_ok_safe+0x250/0x250 [ 458.432296] [] ? shrink_node+0x740/0x740 [ 458.432305] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 458.432314] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 458.432323] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 458.432332] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 458.432340] [] ? find_get_entry+0x11a/0x570 [ 458.432347] [] ? find_get_entry+0x141/0x570 [ 458.432355] [] ? page_cache_prev_hole+0x80/0x80 [ 458.432364] [] ? autoremove_wake_function+0x40/0x40 [ 458.432372] [] ? pagecache_get_page+0x131/0x710 [ 458.432380] [] filemap_fault+0xaf1/0x1110 [ 458.432389] [] ext4_filemap_fault+0x71/0xa0 [ 458.432397] [] __do_fault+0x223/0x500 [ 458.432404] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 458.432412] [] ? generic_file_readonly_mmap+0x190/0x190 [ 458.432420] [] handle_mm_fault+0x1326/0x2350 [ 458.432428] [] ? vm_insert_page+0x6f0/0x6f0 [ 458.432435] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 458.432445] [] __do_page_fault+0x403/0xa60 [ 458.432453] [] ? bad_area_access_error+0x3a0/0x3a0 [ 458.432463] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 458.432471] [] do_page_fault+0x27/0x30 [ 458.432479] [] page_fault+0x25/0x30 [ 458.432483] Mem-Info: [ 458.432502] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 458.432502] active_file:0 inactive_file:24 isolated_file:0 [ 458.432502] unevictable:0 dirty:0 writeback:0 unstable:0 [ 458.432502] slab_reclaimable:3910 slab_unreclaimable:58347 [ 458.432502] mapped:4 shmem:48 pagetables:353 bounce:0 [ 458.432502] free:5980 free_pcp:114 free_cma:0 [ 458.432516] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 458.432536] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 458.432563] Normal free:5232kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233116kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:336kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 458.432625] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 366*4kB (UMEH) 155*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5232kB 73 total pagecache pages [ 458.432673] 0 pages in swap cache [ 458.432677] Swap cache stats: add 0, delete 0, find 0/0 [ 458.432679] Free swap = 0kB [ 458.432682] Total swap = 0kB [ 458.432684] 1965979 pages RAM [ 458.432686] 0 pages HighMem/MovableOnly [ 458.432689] 313617 pages reserved [ 458.455562] syz-executor.2: page allocation stalls for 80010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 458.455574] CPU: 1 PID: 2105 Comm: syz-executor.2 Not tainted 4.9.141+ #23 [ 458.455591] ffff8801cc9af7c0 ffffffff81b42e79 1ffff10039935efa ffff8801cc9f0000 [ 458.455602] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cc9af908 [ 458.455613] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 458.455615] Call Trace: [ 458.455631] [] dump_stack+0xc1/0x128 [ 458.455641] [] warn_alloc.cold.31+0x7f/0x9c [ 458.455652] [] ? zone_watermark_ok_safe+0x250/0x250 [ 458.455662] [] ? shrink_node+0x740/0x740 [ 458.455672] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 458.455680] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 458.455689] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 458.455698] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 458.455706] [] ? find_get_entry+0x11a/0x570 [ 458.455713] [] ? find_get_entry+0x141/0x570 [ 458.455721] [] ? page_cache_prev_hole+0x80/0x80 [ 458.455729] [] ? pagecache_get_page+0x131/0x710 [ 458.455737] [] filemap_fault+0xaf1/0x1110 [ 458.455746] [] ext4_filemap_fault+0x71/0xa0 [ 458.455753] [] __do_fault+0x223/0x500 [ 458.455761] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 458.455769] [] ? generic_file_readonly_mmap+0x190/0x190 [ 458.455777] [] handle_mm_fault+0x1326/0x2350 [ 458.455785] [] ? vm_insert_page+0x6f0/0x6f0 [ 458.455795] [] ? compat_SyS_wait4+0x1e9/0x290 [ 458.455803] [] ? put_compat_rusage+0x550/0x550 [ 458.455813] [] __do_page_fault+0x403/0xa60 [ 458.455821] [] ? bad_area_access_error+0x3a0/0x3a0 [ 458.455831] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 458.455839] [] do_page_fault+0x27/0x30 [ 458.455847] [] page_fault+0x25/0x30 [ 458.455850] Mem-Info: [ 458.455869] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 458.455869] active_file:0 inactive_file:24 isolated_file:0 [ 458.455869] unevictable:0 dirty:0 writeback:0 unstable:0 [ 458.455869] slab_reclaimable:3910 slab_unreclaimable:58347 [ 458.455869] mapped:4 shmem:48 pagetables:353 bounce:0 [ 458.455869] free:5980 free_pcp:114 free_cma:0 [ 458.455884] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 458.455904] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 458.455933] Normal free:5232kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233116kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:336kB local_pcp:104kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 458.455994] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 366*4kB (UMEH) 155*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5232kB 73 total pagecache pages [ 458.456040] 0 pages in swap cache [ 458.456045] Swap cache stats: add 0, delete 0, find 0/0 [ 458.456047] Free swap = 0kB [ 458.456049] Total swap = 0kB [ 458.456052] 1965979 pages RAM [ 458.456054] 0 pages HighMem/MovableOnly [ 458.456056] 313617 pages reserved [ 458.585441] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 458.585441] to free 76kB on behalf of 'syz-executor.4' (3015) because [ 458.585441] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 458.585441] Free memory is -13584kB above reserved [ 458.702516] syz-execprog: page allocation stalls for 80050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 458.702527] CPU: 0 PID: 2090 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 458.702545] ffff8801ce3ff7c0 ffffffff81b42e79 1ffff10039c7fefa ffff8801cef2af80 [ 458.702556] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ce3ff908 [ 458.702567] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 458.702569] Call Trace: [ 458.702586] [] dump_stack+0xc1/0x128 [ 458.702596] [] warn_alloc.cold.31+0x7f/0x9c [ 458.702606] [] ? zone_watermark_ok_safe+0x250/0x250 ** 59 printk messages dropped ** [ 458.864867] [] filemap_fault+0xaf1/0x1110 [ 458.864876] [] ext4_filemap_fault+0x71/0xa0 [ 458.864883] [] __do_fault+0x223/0x500 [ 458.864891] [] ? do_page_mkwrite+0x3e0/0x3e0 ** 46 printk messages dropped ** [ 459.442711] [] ext4_filemap_fault+0x71/0xa0 [ 459.442719] [] __do_fault+0x223/0x500 [ 459.442726] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 459.442735] [] ? generic_file_readonly_mmap+0x190/0x190 [ 459.442742] [] handle_mm_fault+0x1326/0x2350 [ 459.442750] [] ? vm_insert_page+0x6f0/0x6f0 [ 459.442758] [] ? debug_lockdep_rcu_enabled+0x77/0x90 ** 28 printk messages dropped ** [ 462.192511] init: page allocation stalls for 80020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) ** 1 printk messages dropped ** [ 462.192538] ffff8801da6077c0 ffffffff81b42e79 1ffff1003b4c0efa ffff8801da5f8000 [ 462.192549] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 462.192559] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 462.192561] Call Trace: [ 462.192579] [] dump_stack+0xc1/0x128 [ 462.192590] [] warn_alloc.cold.31+0x7f/0x9c [ 462.192600] [] ? zone_watermark_ok_safe+0x250/0x250 [ 462.192609] [] ? shrink_node+0x740/0x740 [ 462.192618] [] __alloc_pages_nodemask+0x1566/0x1bd0 ** 39 printk messages dropped ** [ 463.635486] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 463.635486] to free 76kB on behalf of 'kworker/0:0' (2334) because [ 463.635486] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 463.635486] Free memory is -13584kB above reserved [ 464.645390] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 464.645390] to free 76kB on behalf of 'syz-executor.4' (3015) because [ 464.645390] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 464.645390] Free memory is -13584kB above reserved [ 464.645402] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 464.645402] to free 76kB on behalf of 'syz-execprog' (2090) because [ 464.645402] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 464.645402] Free memory is -13584kB above reserved [ 465.655421] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 465.655421] to free 76kB on behalf of 'syz-executor.2' (2105) because [ 465.655421] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 465.655421] Free memory is -13584kB above reserved [ 465.655434] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 465.655434] to free 76kB on behalf of 'syz-executor.1' (2998) because [ 465.655434] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 465.655434] Free memory is -13584kB above reserved [ 466.665456] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 466.665456] to free 76kB on behalf of 'syz-executor.1' (2998) because [ 466.665456] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 466.665456] Free memory is -13584kB above reserved [ 466.665468] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 466.665468] to free 76kB on behalf of 'syz-executor.2' (2105) because [ 466.665468] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 466.665468] Free memory is -13584kB above reserved [ 467.675427] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 467.675427] to free 76kB on behalf of 'syz-execprog' (2089) because [ 467.675427] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 467.675427] Free memory is -13584kB above reserved [ 467.675439] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 467.675439] to free 76kB on behalf of 'syz-executor.2' (2105) because [ 467.675439] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 467.675439] Free memory is -13584kB above reserved [ 467.968181] syz-execprog: page allocation stalls for 30050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 467.968191] CPU: 1 PID: 2089 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 467.968209] ffff8801ce3f77c0 ffffffff81b42e79 1ffff10039c7eefa ffff8801cee417c0 [ 467.968220] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ce3f7908 [ 467.968231] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 467.968233] Call Trace: [ 467.968250] [] dump_stack+0xc1/0x128 [ 467.968260] [] warn_alloc.cold.31+0x7f/0x9c [ 467.968270] [] ? zone_watermark_ok_safe+0x250/0x250 [ 467.968279] [] ? shrink_node+0x740/0x740 [ 467.968289] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 467.968297] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 467.968307] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 467.968316] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 467.968323] [] ? find_get_entry+0x11a/0x570 [ 467.968331] [] ? find_get_entry+0x141/0x570 [ 467.968338] [] ? page_cache_prev_hole+0x80/0x80 [ 467.968348] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 467.968356] [] ? pagecache_get_page+0x131/0x710 [ 467.968364] [] filemap_fault+0xaf1/0x1110 [ 467.968373] [] ext4_filemap_fault+0x71/0xa0 [ 467.968380] [] __do_fault+0x223/0x500 [ 467.968388] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 467.968396] [] ? generic_file_readonly_mmap+0x190/0x190 [ 467.968404] [] handle_mm_fault+0x1326/0x2350 [ 467.968411] [] ? vm_insert_page+0x6f0/0x6f0 ** 12 printk messages dropped ** [ 467.968555] lowmem_reserve[]: 0 3505 3505 [ 467.968574] Normal free:5232kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233116kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:336kB local_pcp:104kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 467.968635] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 366*4kB (UMEH) 155*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5232kB 73 total pagecache pages [ 467.968684] 0 pages in swap cache [ 467.968688] Swap cache stats: add 0, delete 0, find 0/0 [ 467.968691] Free swap = 0kB [ 467.968693] Total swap = 0kB [ 467.968695] 1965979 pages RAM [ 467.968697] 0 pages HighMem/MovableOnly [ 467.968700] 313617 pages reserved [ 468.450749] rsyslogd: page allocation stalls for 90030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 468.450759] CPU: 0 PID: 1891 Comm: rsyslogd Not tainted 4.9.141+ #23 [ 468.450777] ffff8801d39cf7c0 ffffffff81b42e79 1ffff1003a739efa ffff8801d3cb2f80 [ 468.450787] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d39cf908 [ 468.450798] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 468.450800] Call Trace: [ 468.450818] [] dump_stack+0xc1/0x128 [ 468.450828] [] warn_alloc.cold.31+0x7f/0x9c [ 468.450838] [] ? zone_watermark_ok_safe+0x250/0x250 [ 468.450847] [] ? shrink_node+0x740/0x740 [ 468.450856] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 468.450864] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 468.450873] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 468.450882] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 468.450890] [] ? find_get_entry+0x11a/0x570 [ 468.450897] [] ? find_get_entry+0x141/0x570 [ 468.450905] [] ? page_cache_prev_hole+0x80/0x80 [ 468.450914] [] ? autoremove_wake_function+0x40/0x40 [ 468.450922] [] ? pagecache_get_page+0x131/0x710 [ 468.450929] [] filemap_fault+0xaf1/0x1110 [ 468.450939] [] ext4_filemap_fault+0x71/0xa0 [ 468.450946] [] __do_fault+0x223/0x500 [ 468.450953] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 468.450961] [] ? generic_file_readonly_mmap+0x190/0x190 [ 468.450969] [] handle_mm_fault+0x1326/0x2350 [ 468.450977] [] ? vm_insert_page+0x6f0/0x6f0 [ 468.450984] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 468.450994] [] __do_page_fault+0x403/0xa60 [ 468.451002] [] ? bad_area_access_error+0x3a0/0x3a0 [ 468.451012] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 468.451026] [] do_page_fault+0x27/0x30 [ 468.451034] [] page_fault+0x25/0x30 [ 468.451038] Mem-Info: [ 468.451057] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 468.451057] active_file:0 inactive_file:24 isolated_file:0 [ 468.451057] unevictable:0 dirty:0 writeback:0 unstable:0 [ 468.451057] slab_reclaimable:3910 slab_unreclaimable:58347 [ 468.451057] mapped:4 shmem:48 pagetables:353 bounce:0 [ 468.451057] free:5980 free_pcp:114 free_cma:0 [ 468.451072] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 468.451092] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 468.451120] Normal free:5232kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233116kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:336kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 468.451180] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 366*4kB (UMEH) 155*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5232kB 73 total pagecache pages [ 468.451228] 0 pages in swap cache [ 468.451233] Swap cache stats: add 0, delete 0, find 0/0 [ 468.451235] Free swap = 0kB [ 468.451237] Total swap = 0kB [ 468.451240] 1965979 pages RAM [ 468.451242] 0 pages HighMem/MovableOnly [ 468.451244] 313617 pages reserved [ 468.475600] syz-executor.2: page allocation stalls for 90030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 468.475610] CPU: 0 PID: 2105 Comm: syz-executor.2 Not tainted 4.9.141+ #23 [ 468.475625] ffff8801cc9af7c0 ffffffff81b42e79 1ffff10039935efa ffff8801cc9f0000 [ 468.475635] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cc9af908 [ 468.475645] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 468.475646] Call Trace: [ 468.475663] [] dump_stack+0xc1/0x128 [ 468.475673] [] warn_alloc.cold.31+0x7f/0x9c [ 468.475683] [] ? zone_watermark_ok_safe+0x250/0x250 [ 468.475691] [] ? shrink_node+0x740/0x740 [ 468.475700] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 468.475708] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 468.475717] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 468.475725] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 468.475732] [] ? find_get_entry+0x11a/0x570 [ 468.475739] [] ? find_get_entry+0x141/0x570 [ 468.475746] [] ? page_cache_prev_hole+0x80/0x80 [ 468.475753] [] ? pagecache_get_page+0x131/0x710 [ 468.475760] [] filemap_fault+0xaf1/0x1110 [ 468.475769] [] ext4_filemap_fault+0x71/0xa0 [ 468.475776] [] __do_fault+0x223/0x500 [ 468.475782] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 468.475790] [] ? generic_file_readonly_mmap+0x190/0x190 [ 468.475797] [] handle_mm_fault+0x1326/0x2350 [ 468.475804] [] ? vm_insert_page+0x6f0/0x6f0 [ 468.475812] [] ? compat_SyS_wait4+0x1e9/0x290 [ 468.475820] [] ? put_compat_rusage+0x550/0x550 [ 468.475828] [] __do_page_fault+0x403/0xa60 [ 468.475836] [] ? bad_area_access_error+0x3a0/0x3a0 [ 468.475844] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 468.475851] [] do_page_fault+0x27/0x30 [ 468.475859] [] page_fault+0x25/0x30 [ 468.475862] Mem-Info: [ 468.475879] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 468.475879] active_file:0 inactive_file:24 isolated_file:0 [ 468.475879] unevictable:0 dirty:0 writeback:0 unstable:0 [ 468.475879] slab_reclaimable:3910 slab_unreclaimable:58347 [ 468.475879] mapped:4 shmem:48 pagetables:353 bounce:0 [ 468.475879] free:5980 free_pcp:114 free_cma:0 [ 468.475892] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 468.475912] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 468.475938] Normal free:5232kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233116kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:336kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 468.475993] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 366*4kB (UMEH) 155*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5232kB 73 total pagecache pages [ 468.476045] 0 pages in swap cache [ 468.476048] Swap cache stats: add 0, delete 0, find 0/0 [ 468.476050] Free swap = 0kB [ 468.476053] Total swap = 0kB [ 468.476055] 1965979 pages RAM [ 468.476057] 0 pages HighMem/MovableOnly [ 468.476059] 313617 pages reserved [ 468.671090] syz-execprog: page allocation stalls for 90020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 468.671101] CPU: 0 PID: 2090 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 468.671118] ffff8801ce3ff7c0 ffffffff81b42e79 1ffff10039c7fefa ffff8801cef2af80 ** 20 printk messages dropped ** [ 468.671302] [] ? generic_file_readonly_mmap+0x190/0x190 ** 45 printk messages dropped ** [ 468.864915] [] filemap_fault+0xaf1/0x1110 [ 468.864924] [] ext4_filemap_fault+0x71/0xa0 [ 468.864932] [] __do_fault+0x223/0x500 [ 468.864939] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 468.864947] [] ? generic_file_readonly_mmap+0x190/0x190 ** 45 printk messages dropped ** [ 469.429828] [] ext4_filemap_fault+0x71/0xa0 [ 469.429836] [] __do_fault+0x223/0x500 [ 469.429843] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 469.429851] [] ? generic_file_readonly_mmap+0x190/0x190 ** 31 printk messages dropped ** [ 472.257787] init: page allocation stalls for 90090ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 472.257798] CPU: 1 PID: 1 Comm: init Not tainted 4.9.141+ #23 [ 472.257816] ffff8801da6077c0 ffffffff81b42e79 1ffff1003b4c0efa ffff8801da5f8000 [ 472.257827] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 472.257838] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 472.257840] Call Trace: [ 472.257857] [] dump_stack+0xc1/0x128 [ 472.257867] [] warn_alloc.cold.31+0x7f/0x9c [ 472.257877] [] ? zone_watermark_ok_safe+0x250/0x250 [ 472.257886] [] ? shrink_node+0x740/0x740 [ 472.257895] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 472.257903] [] ? debug_lockdep_rcu_enabled+0x77/0x90 ** 38 printk messages dropped ** [ 473.735431] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 473.735431] to free 76kB on behalf of 'syz-executor.4' (3015) because [ 473.735431] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 473.735431] Free memory is -13584kB above reserved [ 474.745395] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 474.745395] to free 76kB on behalf of 'rs:main Q:Reg' (1889) because [ 474.745395] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 474.745395] Free memory is -13584kB above reserved [ 474.745407] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 474.745407] to free 76kB on behalf of 'syz-executor.5' (3004) because [ 474.745407] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 474.745407] Free memory is -13584kB above reserved [ 475.755453] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 475.755453] to free 76kB on behalf of 'syz-executor.2' (2105) because [ 475.755453] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 475.755453] Free memory is -13584kB above reserved [ 476.765398] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 476.765398] to free 76kB on behalf of 'syz-executor.3' (3013) because [ 476.765398] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 476.765398] Free memory is -13584kB above reserved [ 477.775397] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 477.775397] to free 76kB on behalf of 'syz-executor.2' (2105) because [ 477.775397] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 477.775397] Free memory is -13584kB above reserved [ 477.973153] syz-execprog: page allocation stalls for 40050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 477.973163] CPU: 1 PID: 2089 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 477.973182] ffff8801ce3f77c0 ffffffff81b42e79 1ffff10039c7eefa ffff8801cee417c0 [ 477.973192] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ce3f7908 [ 477.973203] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 477.973205] Call Trace: [ 477.973223] [] dump_stack+0xc1/0x128 [ 477.973233] [] warn_alloc.cold.31+0x7f/0x9c [ 477.973243] [] ? zone_watermark_ok_safe+0x250/0x250 [ 477.973252] [] ? shrink_node+0x740/0x740 [ 477.973262] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 477.973270] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 477.973279] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 477.973288] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 477.973296] [] ? find_get_entry+0x11a/0x570 [ 477.973304] [] ? find_get_entry+0x141/0x570 [ 477.973311] [] ? page_cache_prev_hole+0x80/0x80 [ 477.973321] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 477.973329] [] ? pagecache_get_page+0x131/0x710 [ 477.973337] [] filemap_fault+0xaf1/0x1110 [ 477.973346] [] ext4_filemap_fault+0x71/0xa0 [ 477.973354] [] __do_fault+0x223/0x500 [ 477.973361] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 477.973369] [] ? generic_file_readonly_mmap+0x190/0x190 [ 477.973377] [] handle_mm_fault+0x1326/0x2350 [ 477.973385] [] ? vm_insert_page+0x6f0/0x6f0 [ 477.973395] [] ? kvm_clock_read+0x23/0x40 [ 477.973403] [] ? kvm_clock_get_cycles+0x9/0x10 [ 477.973412] [] __do_page_fault+0x403/0xa60 [ 477.973421] [] ? __fget_light+0x169/0x1f0 [ 477.973429] [] ? bad_area_access_error+0x3a0/0x3a0 [ 477.973439] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 477.973446] [] do_page_fault+0x27/0x30 [ 477.973455] [] page_fault+0x25/0x30 [ 477.973459] Mem-Info: [ 477.973478] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 477.973478] active_file:0 inactive_file:24 isolated_file:0 [ 477.973478] unevictable:0 dirty:0 writeback:0 unstable:0 [ 477.973478] slab_reclaimable:3910 slab_unreclaimable:58347 [ 477.973478] mapped:4 shmem:48 pagetables:353 bounce:0 [ 477.973478] free:5980 free_pcp:114 free_cma:0 [ 477.973493] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 ** 5 printk messages dropped ** [ 477.973653] Normal: 366*4kB (UMEH) 155*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5232kB 73 total pagecache pages [ 477.973659] 0 pages in swap cache [ 477.973663] Swap cache stats: add 0, delete 0, find 0/0 [ 477.973665] Free swap = 0kB [ 477.973668] Total swap = 0kB [ 477.973670] 1965979 pages RAM [ 477.973672] 0 pages HighMem/MovableOnly [ 477.973675] 313617 pages reserved [ 478.432458] rsyslogd: page allocation stalls for 100010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 478.432467] CPU: 1 PID: 1891 Comm: rsyslogd Not tainted 4.9.141+ #23 [ 478.432484] ffff8801d39cf7c0 ffffffff81b42e79 1ffff1003a739efa ffff8801d3cb2f80 [ 478.432495] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d39cf908 [ 478.432506] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 478.432508] Call Trace: [ 478.432533] [] dump_stack+0xc1/0x128 [ 478.432544] [] warn_alloc.cold.31+0x7f/0x9c [ 478.432554] [] ? zone_watermark_ok_safe+0x250/0x250 [ 478.432563] [] ? shrink_node+0x740/0x740 [ 478.432572] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 478.432580] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 478.432590] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 478.432599] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 478.432606] [] ? find_get_entry+0x11a/0x570 [ 478.432613] [] ? find_get_entry+0x141/0x570 [ 478.432621] [] ? page_cache_prev_hole+0x80/0x80 [ 478.432630] [] ? autoremove_wake_function+0x40/0x40 [ 478.432638] [] ? pagecache_get_page+0x131/0x710 [ 478.432645] [] filemap_fault+0xaf1/0x1110 [ 478.432655] [] ext4_filemap_fault+0x71/0xa0 [ 478.432662] [] __do_fault+0x223/0x500 [ 478.432669] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 478.432677] [] ? generic_file_readonly_mmap+0x190/0x190 [ 478.432685] [] handle_mm_fault+0x1326/0x2350 [ 478.432693] [] ? vm_insert_page+0x6f0/0x6f0 [ 478.432701] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 478.432710] [] __do_page_fault+0x403/0xa60 [ 478.432718] [] ? bad_area_access_error+0x3a0/0x3a0 [ 478.432729] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 478.432736] [] do_page_fault+0x27/0x30 [ 478.432745] [] page_fault+0x25/0x30 [ 478.432749] Mem-Info: [ 478.432768] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 478.432768] active_file:0 inactive_file:24 isolated_file:0 [ 478.432768] unevictable:0 dirty:0 writeback:0 unstable:0 [ 478.432768] slab_reclaimable:3910 slab_unreclaimable:58347 [ 478.432768] mapped:4 shmem:48 pagetables:353 bounce:0 [ 478.432768] free:5980 free_pcp:114 free_cma:0 [ 478.432783] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 478.432803] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 478.432832] Normal free:5232kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233116kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:336kB local_pcp:104kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 478.432892] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 366*4kB (UMEH) 155*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5232kB 73 total pagecache pages [ 478.432941] 0 pages in swap cache [ 478.432945] Swap cache stats: add 0, delete 0, find 0/0 [ 478.432947] Free swap = 0kB [ 478.432950] Total swap = 0kB [ 478.432952] 1965979 pages RAM [ 478.432955] 0 pages HighMem/MovableOnly [ 478.432957] 313617 pages reserved [ 478.471272] syz-executor.2: page allocation stalls for 100020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 478.471282] CPU: 0 PID: 2105 Comm: syz-executor.2 Not tainted 4.9.141+ #23 [ 478.471300] ffff8801cc9af7c0 ffffffff81b42e79 1ffff10039935efa ffff8801cc9f0000 [ 478.471311] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cc9af908 [ 478.471322] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 478.471324] Call Trace: [ 478.471341] [] dump_stack+0xc1/0x128 [ 478.471350] [] warn_alloc.cold.31+0x7f/0x9c [ 478.471360] [] ? zone_watermark_ok_safe+0x250/0x250 [ 478.471369] [] ? shrink_node+0x740/0x740 [ 478.471379] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 478.471387] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 478.471396] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 478.471405] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 478.471413] [] ? find_get_entry+0x11a/0x570 [ 478.471420] [] ? find_get_entry+0x141/0x570 [ 478.471427] [] ? page_cache_prev_hole+0x80/0x80 [ 478.471435] [] ? pagecache_get_page+0x131/0x710 [ 478.471443] [] filemap_fault+0xaf1/0x1110 [ 478.471452] [] ext4_filemap_fault+0x71/0xa0 [ 478.471459] [] __do_fault+0x223/0x500 [ 478.471467] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 478.471475] [] ? generic_file_readonly_mmap+0x190/0x190 [ 478.471483] [] handle_mm_fault+0x1326/0x2350 [ 478.471490] [] ? vm_insert_page+0x6f0/0x6f0 [ 478.471500] [] ? compat_SyS_wait4+0x1e9/0x290 [ 478.471508] [] ? put_compat_rusage+0x550/0x550 [ 478.471518] [] __do_page_fault+0x403/0xa60 [ 478.471526] [] ? bad_area_access_error+0x3a0/0x3a0 [ 478.471536] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 478.471543] [] do_page_fault+0x27/0x30 [ 478.471552] [] page_fault+0x25/0x30 [ 478.471555] Mem-Info: [ 478.471574] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 478.471574] active_file:0 inactive_file:24 isolated_file:0 [ 478.471574] unevictable:0 dirty:0 writeback:0 unstable:0 [ 478.471574] slab_reclaimable:3910 slab_unreclaimable:58347 [ 478.471574] mapped:4 shmem:48 pagetables:353 bounce:0 [ 478.471574] free:5980 free_pcp:114 free_cma:0 [ 478.471589] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 478.471609] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 478.471637] Normal free:5232kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233116kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:336kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 478.471697] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 366*4kB (UMEH) 155*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5232kB 73 total pagecache pages [ 478.471745] 0 pages in swap cache [ 478.471750] Swap cache stats: add 0, delete 0, find 0/0 [ 478.471752] Free swap = 0kB [ 478.471754] Total swap = 0kB [ 478.471757] 1965979 pages RAM [ 478.471759] 0 pages HighMem/MovableOnly [ 478.471761] 313617 pages reserved [ 478.689193] syz-execprog: page allocation stalls for 100040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 478.689202] CPU: 0 PID: 2090 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 478.689218] ffff8801ce3ff7c0 ffffffff81b42e79 1ffff10039c7fefa ffff8801cef2af80 [ 478.689228] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ce3ff908 [ 478.689238] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 478.689240] Call Trace: [ 478.689257] [] dump_stack+0xc1/0x128 [ 478.689267] [] warn_alloc.cold.31+0x7f/0x9c [ 478.689276] [] ? zone_watermark_ok_safe+0x250/0x250 [ 478.689285] [] ? shrink_node+0x740/0x740 [ 478.689293] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 478.689301] [] ? debug_lockdep_rcu_enabled+0x77/0x90 ** 14 printk messages dropped ** [ 478.689417] [] ? kvm_clock_read+0x23/0x40 ** 43 printk messages dropped ** [ 478.872657] [] filemap_fault+0xaf1/0x1110 [ 478.872666] [] ext4_filemap_fault+0x71/0xa0 [ 478.872674] [] __do_fault+0x223/0x500 [ 478.872681] [] ? do_page_mkwrite+0x3e0/0x3e0 ** 46 printk messages dropped ** [ 479.453640] [] ext4_filemap_fault+0x71/0xa0 [ 479.453646] [] __do_fault+0x223/0x500 [ 479.453653] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 479.453661] [] ? generic_file_readonly_mmap+0x190/0x190 ** 34 printk messages dropped ** [ 482.223035] Call Trace: [ 482.223052] [] dump_stack+0xc1/0x128 [ 482.223063] [] warn_alloc.cold.31+0x7f/0x9c [ 482.223073] [] ? zone_watermark_ok_safe+0x250/0x250 [ 482.223081] [] ? shrink_node+0x740/0x740 [ 482.223091] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 482.223099] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 482.223109] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 482.223117] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 482.223125] [] ? find_get_entry+0x11a/0x570 [ 482.223132] [] ? find_get_entry+0x141/0x570 [ 482.223140] [] ? page_cache_prev_hole+0x80/0x80 [ 482.223148] [] ? __lock_acquire+0x654/0x4a10 ** 35 printk messages dropped ** [ 485.855472] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 485.855472] to free 76kB on behalf of 'syz-executor.3' (3013) because [ 485.855472] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 485.855472] Free memory is -13584kB above reserved [ 486.865470] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 486.865470] to free 76kB on behalf of 'syz-executor.0' (3014) because [ 486.865470] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 486.865470] Free memory is -13592kB above reserved [ 487.875417] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 487.875417] to free 76kB on behalf of 'rsyslogd' (1891) because [ 487.875417] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 487.875417] Free memory is -13592kB above reserved [ 487.875429] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 487.875429] to free 76kB on behalf of 'cron' (1943) because [ 487.875429] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 487.875429] Free memory is -13592kB above reserved [ 487.971789] syz-execprog: page allocation stalls for 50050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 487.971800] CPU: 0 PID: 2089 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 487.971818] ffff8801ce3f77c0 ffffffff81b42e79 1ffff10039c7eefa ffff8801cee417c0 [ 487.971829] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ce3f7908 [ 487.971839] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 487.971841] Call Trace: [ 487.971858] [] dump_stack+0xc1/0x128 [ 487.971868] [] warn_alloc.cold.31+0x7f/0x9c [ 487.971878] [] ? zone_watermark_ok_safe+0x250/0x250 [ 487.971887] [] ? shrink_node+0x740/0x740 [ 487.971896] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 487.971904] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 487.971914] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 487.971922] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 487.971930] [] ? find_get_entry+0x11a/0x570 [ 487.971938] [] ? find_get_entry+0x141/0x570 [ 487.971945] [] ? page_cache_prev_hole+0x80/0x80 [ 487.971954] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 487.971962] [] ? pagecache_get_page+0x131/0x710 [ 487.971970] [] filemap_fault+0xaf1/0x1110 [ 487.971979] [] ext4_filemap_fault+0x71/0xa0 [ 487.971986] [] __do_fault+0x223/0x500 [ 487.971993] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 487.972002] [] ? generic_file_readonly_mmap+0x190/0x190 [ 487.972010] [] handle_mm_fault+0x1326/0x2350 [ 487.972023] [] ? vm_insert_page+0x6f0/0x6f0 [ 487.972033] [] ? kvm_clock_read+0x23/0x40 [ 487.972041] [] ? kvm_clock_get_cycles+0x9/0x10 [ 487.972050] [] __do_page_fault+0x403/0xa60 [ 487.972059] [] ? __fget_light+0x169/0x1f0 [ 487.972067] [] ? bad_area_access_error+0x3a0/0x3a0 [ 487.972077] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 487.972084] [] do_page_fault+0x27/0x30 [ 487.972093] [] page_fault+0x25/0x30 [ 487.972097] Mem-Info: [ 487.972116] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 487.972116] active_file:0 inactive_file:24 isolated_file:0 [ 487.972116] unevictable:0 dirty:0 writeback:0 unstable:0 [ 487.972116] slab_reclaimable:3910 slab_unreclaimable:58349 [ 487.972116] mapped:4 shmem:48 pagetables:353 bounce:0 [ 487.972116] free:5978 free_pcp:114 free_cma:0 [ 487.972130] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 487.972150] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 487.972178] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233124kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:336kB local_pcp:232kB free_cma:0kB ** 6 printk messages dropped ** [ 487.972294] Free swap = 0kB [ 487.972296] Total swap = 0kB [ 487.972299] 1965979 pages RAM [ 487.972301] 0 pages HighMem/MovableOnly [ 487.972303] 313617 pages reserved [ 488.453572] rsyslogd: page allocation stalls for 110030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 488.453582] CPU: 0 PID: 1891 Comm: rsyslogd Not tainted 4.9.141+ #23 [ 488.453601] ffff8801d39cf7c0 ffffffff81b42e79 1ffff1003a739efa ffff8801d3cb2f80 [ 488.453612] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d39cf908 [ 488.453622] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 488.453624] Call Trace: [ 488.453642] [] dump_stack+0xc1/0x128 [ 488.453652] [] warn_alloc.cold.31+0x7f/0x9c [ 488.453662] [] ? zone_watermark_ok_safe+0x250/0x250 [ 488.453672] [] ? shrink_node+0x740/0x740 [ 488.453681] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 488.453689] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 488.453698] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 488.453707] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 488.453715] [] ? find_get_entry+0x11a/0x570 [ 488.453722] [] ? find_get_entry+0x141/0x570 [ 488.453729] [] ? page_cache_prev_hole+0x80/0x80 [ 488.453738] [] ? autoremove_wake_function+0x40/0x40 [ 488.453746] [] ? pagecache_get_page+0x131/0x710 [ 488.453754] [] filemap_fault+0xaf1/0x1110 [ 488.453763] [] ext4_filemap_fault+0x71/0xa0 [ 488.453770] [] __do_fault+0x223/0x500 [ 488.453778] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 488.453786] [] ? generic_file_readonly_mmap+0x190/0x190 [ 488.453794] [] handle_mm_fault+0x1326/0x2350 [ 488.453801] [] ? vm_insert_page+0x6f0/0x6f0 [ 488.453809] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 488.453819] [] __do_page_fault+0x403/0xa60 [ 488.453827] [] ? bad_area_access_error+0x3a0/0x3a0 [ 488.453837] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 488.453845] [] do_page_fault+0x27/0x30 [ 488.453853] [] page_fault+0x25/0x30 [ 488.453857] Mem-Info: [ 488.453877] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 488.453877] active_file:0 inactive_file:24 isolated_file:0 [ 488.453877] unevictable:0 dirty:0 writeback:0 unstable:0 [ 488.453877] slab_reclaimable:3910 slab_unreclaimable:58349 [ 488.453877] mapped:4 shmem:48 pagetables:353 bounce:0 [ 488.453877] free:5978 free_pcp:114 free_cma:0 [ 488.453891] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 488.453911] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 488.453939] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233124kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:336kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 488.454000] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 366*4kB (UMEH) 154*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 73 total pagecache pages [ 488.454055] 0 pages in swap cache [ 488.454060] Swap cache stats: add 0, delete 0, find 0/0 [ 488.454062] Free swap = 0kB [ 488.454064] Total swap = 0kB [ 488.454067] 1965979 pages RAM [ 488.454069] 0 pages HighMem/MovableOnly [ 488.454072] 313617 pages reserved [ 488.461441] syz-executor.2: page allocation stalls for 110010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 488.461451] CPU: 1 PID: 2105 Comm: syz-executor.2 Not tainted 4.9.141+ #23 [ 488.461468] ffff8801cc9af7c0 ffffffff81b42e79 1ffff10039935efa ffff8801cc9f0000 [ 488.461480] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cc9af908 [ 488.461490] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 488.461492] Call Trace: [ 488.461508] [] dump_stack+0xc1/0x128 [ 488.461523] [] warn_alloc.cold.31+0x7f/0x9c [ 488.461533] [] ? zone_watermark_ok_safe+0x250/0x250 [ 488.461543] [] ? shrink_node+0x740/0x740 [ 488.461552] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 488.461560] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 488.461569] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 488.461578] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 488.461586] [] ? find_get_entry+0x11a/0x570 [ 488.461593] [] ? find_get_entry+0x141/0x570 [ 488.461601] [] ? page_cache_prev_hole+0x80/0x80 [ 488.461609] [] ? pagecache_get_page+0x131/0x710 [ 488.461617] [] filemap_fault+0xaf1/0x1110 [ 488.461626] [] ext4_filemap_fault+0x71/0xa0 [ 488.461633] [] __do_fault+0x223/0x500 [ 488.461640] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 488.461649] [] ? generic_file_readonly_mmap+0x190/0x190 [ 488.461657] [] handle_mm_fault+0x1326/0x2350 [ 488.461664] [] ? vm_insert_page+0x6f0/0x6f0 [ 488.461674] [] ? compat_SyS_wait4+0x1e9/0x290 [ 488.461682] [] ? put_compat_rusage+0x550/0x550 [ 488.461691] [] __do_page_fault+0x403/0xa60 [ 488.461699] [] ? bad_area_access_error+0x3a0/0x3a0 [ 488.461710] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 488.461717] [] do_page_fault+0x27/0x30 [ 488.461725] [] page_fault+0x25/0x30 [ 488.461729] Mem-Info: [ 488.461748] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 488.461748] active_file:0 inactive_file:24 isolated_file:0 [ 488.461748] unevictable:0 dirty:0 writeback:0 unstable:0 [ 488.461748] slab_reclaimable:3910 slab_unreclaimable:58349 [ 488.461748] mapped:4 shmem:48 pagetables:353 bounce:0 [ 488.461748] free:5978 free_pcp:114 free_cma:0 [ 488.461763] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 488.461783] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 488.461812] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233124kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:336kB local_pcp:104kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 488.461873] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 366*4kB (UMEH) 154*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 73 total pagecache pages [ 488.461921] 0 pages in swap cache [ 488.461926] Swap cache stats: add 0, delete 0, find 0/0 [ 488.461928] Free swap = 0kB [ 488.461930] Total swap = 0kB [ 488.461933] 1965979 pages RAM [ 488.461935] 0 pages HighMem/MovableOnly [ 488.461937] 313617 pages reserved [ 488.729212] syz-execprog: page allocation stalls for 110080ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 488.729222] CPU: 0 PID: 2090 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 488.729240] ffff8801ce3ff7c0 ffffffff81b42e79 1ffff10039c7fefa ffff8801cef2af80 [ 488.729251] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ce3ff908 [ 488.729262] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 488.729264] Call Trace: [ 488.729281] [] dump_stack+0xc1/0x128 [ 488.729290] [] warn_alloc.cold.31+0x7f/0x9c [ 488.729301] [] ? zone_watermark_ok_safe+0x250/0x250 [ 488.729310] [] ? shrink_node+0x740/0x740 [ 488.729319] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 488.729327] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 488.729336] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 488.729344] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 488.729352] [] ? find_get_entry+0x11a/0x570 [ 488.729359] [] ? find_get_entry+0x141/0x570 [ 488.729366] [] ? page_cache_prev_hole+0x80/0x80 [ 488.729376] [] ? futex_wait_queue_me+0x24b/0x5c0 ** 59 printk messages dropped ** [ 488.910076] [] __do_page_fault+0x403/0xa60 [ 488.910084] [] ? bad_area_access_error+0x3a0/0x3a0 [ 488.910094] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 488.910102] [] do_page_fault+0x27/0x30 [ 488.910110] [] page_fault+0x25/0x30 [ 488.910114] Mem-Info: [ 488.910134] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 488.910134] active_file:0 inactive_file:24 isolated_file:0 [ 488.910134] unevictable:0 dirty:0 writeback:0 unstable:0 [ 488.910134] slab_reclaimable:3910 slab_unreclaimable:58349 [ 488.910134] mapped:4 shmem:48 pagetables:353 bounce:0 [ 488.910134] free:5978 free_pcp:114 free_cma:0 ** 42 printk messages dropped ** [ 489.444213] [] __do_page_fault+0x403/0xa60 [ 489.444221] [] ? bad_area_access_error+0x3a0/0x3a0 [ 489.444232] [] ? trace_hardirqs_off_thunk+0x1a/0x1c ** 33 printk messages dropped ** [ 492.180638] [] ? shrink_node+0x740/0x740 [ 492.180647] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 492.180656] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 492.180665] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 492.180674] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 492.180681] [] ? find_get_entry+0x11a/0x570 [ 492.180689] [] ? find_get_entry+0x141/0x570 [ 492.180696] [] ? page_cache_prev_hole+0x80/0x80 [ 492.180705] [] ? __lock_acquire+0x654/0x4a10 [ 492.180712] [] ? pagecache_get_page+0x131/0x710 [ 492.180720] [] filemap_fault+0xaf1/0x1110 [ 492.180729] [] ext4_filemap_fault+0x71/0xa0 ** 33 printk messages dropped ** [ 494.945454] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 494.945454] to free 76kB on behalf of 'init' (1) because [ 494.945454] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 494.945454] Free memory is -13592kB above reserved [ 495.955423] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 495.955423] to free 76kB on behalf of 'kworker/0:0' (2334) because [ 495.955423] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 495.955423] Free memory is -13592kB above reserved [ 496.965407] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 496.965407] to free 76kB on behalf of 'cron' (1943) because [ 496.965407] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 496.965407] Free memory is -13592kB above reserved [ 497.938521] syz-execprog: page allocation stalls for 60020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 497.938531] CPU: 0 PID: 2089 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 497.938548] ffff8801ce3f77c0 ffffffff81b42e79 1ffff10039c7eefa ffff8801cee417c0 [ 497.938558] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ce3f7908 [ 497.938568] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 497.938570] Call Trace: [ 497.938587] [] dump_stack+0xc1/0x128 [ 497.938597] [] warn_alloc.cold.31+0x7f/0x9c [ 497.938607] [] ? zone_watermark_ok_safe+0x250/0x250 [ 497.938616] [] ? shrink_node+0x740/0x740 [ 497.938625] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 497.938633] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 497.938642] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 497.938650] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 497.938657] [] ? find_get_entry+0x11a/0x570 [ 497.938664] [] ? find_get_entry+0x141/0x570 [ 497.938671] [] ? page_cache_prev_hole+0x80/0x80 [ 497.938679] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 497.938686] [] ? pagecache_get_page+0x131/0x710 [ 497.938694] [] filemap_fault+0xaf1/0x1110 [ 497.938702] [] ext4_filemap_fault+0x71/0xa0 [ 497.938709] [] __do_fault+0x223/0x500 [ 497.938716] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 497.938724] [] ? generic_file_readonly_mmap+0x190/0x190 [ 497.938731] [] handle_mm_fault+0x1326/0x2350 [ 497.938738] [] ? vm_insert_page+0x6f0/0x6f0 [ 497.938746] [] ? kvm_clock_read+0x23/0x40 [ 497.938753] [] ? kvm_clock_get_cycles+0x9/0x10 [ 497.938761] [] __do_page_fault+0x403/0xa60 [ 497.938769] [] ? __fget_light+0x169/0x1f0 [ 497.938777] [] ? bad_area_access_error+0x3a0/0x3a0 [ 497.938787] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 497.938793] [] do_page_fault+0x27/0x30 [ 497.938801] [] page_fault+0x25/0x30 [ 497.938804] Mem-Info: [ 497.938823] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 497.938823] active_file:0 inactive_file:24 isolated_file:0 [ 497.938823] unevictable:0 dirty:0 writeback:0 unstable:0 [ 497.938823] slab_reclaimable:3910 slab_unreclaimable:58350 [ 497.938823] mapped:4 shmem:48 pagetables:353 bounce:0 [ 497.938823] free:5978 free_pcp:113 free_cma:0 [ 497.938837] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 497.938856] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 497.938882] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233128kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:332kB local_pcp:232kB free_cma:0kB ** 12 printk messages dropped ** [ 497.975428] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 497.975428] to free 76kB on behalf of 'rs:main Q:Reg' (1889) because [ 497.975428] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 497.975428] Free memory is -13592kB above reserved [ 498.479726] syz-executor.2: page allocation stalls for 120030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 498.479737] CPU: 0 PID: 2105 Comm: syz-executor.2 Not tainted 4.9.141+ #23 [ 498.479754] ffff8801cc9af7c0 ffffffff81b42e79 1ffff10039935efa ffff8801cc9f0000 [ 498.479765] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cc9af908 [ 498.479776] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 498.479778] Call Trace: [ 498.479796] [] dump_stack+0xc1/0x128 [ 498.479806] [] warn_alloc.cold.31+0x7f/0x9c [ 498.479816] [] ? zone_watermark_ok_safe+0x250/0x250 [ 498.479824] [] ? shrink_node+0x740/0x740 [ 498.479834] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 498.479842] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 498.479851] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 498.479859] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 498.479866] [] ? find_get_entry+0x11a/0x570 [ 498.479874] [] ? find_get_entry+0x141/0x570 [ 498.479881] [] ? page_cache_prev_hole+0x80/0x80 [ 498.479889] [] ? pagecache_get_page+0x131/0x710 [ 498.479897] [] filemap_fault+0xaf1/0x1110 [ 498.479906] [] ext4_filemap_fault+0x71/0xa0 [ 498.479913] [] __do_fault+0x223/0x500 [ 498.479920] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 498.479929] [] ? generic_file_readonly_mmap+0x190/0x190 [ 498.479936] [] handle_mm_fault+0x1326/0x2350 [ 498.479944] [] ? vm_insert_page+0x6f0/0x6f0 [ 498.479953] [] ? compat_SyS_wait4+0x1e9/0x290 [ 498.479962] [] ? put_compat_rusage+0x550/0x550 [ 498.479971] [] __do_page_fault+0x403/0xa60 [ 498.479979] [] ? bad_area_access_error+0x3a0/0x3a0 [ 498.479990] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 498.479997] [] do_page_fault+0x27/0x30 [ 498.480005] [] page_fault+0x25/0x30 [ 498.480016] Mem-Info: [ 498.480036] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 498.480036] active_file:0 inactive_file:24 isolated_file:0 [ 498.480036] unevictable:0 dirty:0 writeback:0 unstable:0 [ 498.480036] slab_reclaimable:3910 slab_unreclaimable:58350 [ 498.480036] mapped:4 shmem:48 pagetables:353 bounce:0 [ 498.480036] free:5978 free_pcp:113 free_cma:0 [ 498.480051] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 498.480071] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 498.480099] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233128kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:332kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 498.480161] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 366*4kB (UMEH) 154*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 73 total pagecache pages [ 498.480209] 0 pages in swap cache [ 498.480214] Swap cache stats: add 0, delete 0, find 0/0 [ 498.480216] Free swap = 0kB [ 498.480218] Total swap = 0kB [ 498.480221] 1965979 pages RAM [ 498.480223] 0 pages HighMem/MovableOnly [ 498.480225] 313617 pages reserved [ 498.487334] rsyslogd: page allocation stalls for 120070ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 498.487343] CPU: 0 PID: 1891 Comm: rsyslogd Not tainted 4.9.141+ #23 [ 498.487359] ffff8801d39cf7c0 ffffffff81b42e79 1ffff1003a739efa ffff8801d3cb2f80 [ 498.487369] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d39cf908 [ 498.487380] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 498.487382] Call Trace: [ 498.487396] [] dump_stack+0xc1/0x128 [ 498.487406] [] warn_alloc.cold.31+0x7f/0x9c [ 498.487416] [] ? zone_watermark_ok_safe+0x250/0x250 [ 498.487425] [] ? shrink_node+0x740/0x740 [ 498.487434] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 498.487443] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 498.487452] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 498.487460] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 498.487468] [] ? find_get_entry+0x11a/0x570 [ 498.487475] [] ? find_get_entry+0x141/0x570 [ 498.487482] [] ? page_cache_prev_hole+0x80/0x80 [ 498.487491] [] ? autoremove_wake_function+0x40/0x40 [ 498.487499] [] ? pagecache_get_page+0x131/0x710 [ 498.487507] [] filemap_fault+0xaf1/0x1110 [ 498.487515] [] ext4_filemap_fault+0x71/0xa0 [ 498.487522] [] __do_fault+0x223/0x500 [ 498.487529] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 498.487538] [] ? generic_file_readonly_mmap+0x190/0x190 [ 498.487545] [] handle_mm_fault+0x1326/0x2350 [ 498.487553] [] ? vm_insert_page+0x6f0/0x6f0 [ 498.487560] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 498.487570] [] __do_page_fault+0x403/0xa60 [ 498.487578] [] ? bad_area_access_error+0x3a0/0x3a0 [ 498.487588] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 498.487595] [] do_page_fault+0x27/0x30 [ 498.487603] [] page_fault+0x25/0x30 [ 498.487607] Mem-Info: [ 498.487625] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 498.487625] active_file:0 inactive_file:24 isolated_file:0 [ 498.487625] unevictable:0 dirty:0 writeback:0 unstable:0 [ 498.487625] slab_reclaimable:3910 slab_unreclaimable:58350 [ 498.487625] mapped:4 shmem:48 pagetables:353 bounce:0 [ 498.487625] free:5978 free_pcp:113 free_cma:0 [ 498.487640] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 498.487660] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 498.487688] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233128kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:332kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 498.487748] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 366*4kB (UMEH) 154*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 73 total pagecache pages [ 498.487796] 0 pages in swap cache [ 498.487800] Swap cache stats: add 0, delete 0, find 0/0 [ 498.487803] Free swap = 0kB [ 498.487805] Total swap = 0kB [ 498.487807] 1965979 pages RAM [ 498.487810] 0 pages HighMem/MovableOnly [ 498.487812] 313617 pages reserved [ 498.702568] syz-execprog: page allocation stalls for 120050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 498.702578] CPU: 0 PID: 2090 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 498.702596] ffff8801ce3ff7c0 ffffffff81b42e79 1ffff10039c7fefa ffff8801cef2af80 [ 498.702607] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ce3ff908 [ 498.702618] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 498.702620] Call Trace: [ 498.702638] [] dump_stack+0xc1/0x128 [ 498.702648] [] warn_alloc.cold.31+0x7f/0x9c [ 498.702658] [] ? zone_watermark_ok_safe+0x250/0x250 ** 10 printk messages dropped ** [ 498.702750] [] filemap_fault+0xaf1/0x1110 [ 498.702759] [] ext4_filemap_fault+0x71/0xa0 ** 55 printk messages dropped ** [ 498.934430] [] __do_page_fault+0x403/0xa60 [ 498.934438] [] ? bad_area_access_error+0x3a0/0x3a0 ** 45 printk messages dropped ** [ 499.427421] [] handle_mm_fault+0x1326/0x2350 [ 499.427428] [] ? vm_insert_page+0x6f0/0x6f0 [ 499.427436] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 499.427446] [] __do_page_fault+0x403/0xa60 [ 499.427454] [] ? bad_area_access_error+0x3a0/0x3a0 [ 499.427464] [] ? trace_hardirqs_off_thunk+0x1a/0x1c ** 29 printk messages dropped ** [ 502.209891] Call Trace: [ 502.209909] [] dump_stack+0xc1/0x128 [ 502.209919] [] warn_alloc.cold.31+0x7f/0x9c [ 502.209929] [] ? zone_watermark_ok_safe+0x250/0x250 [ 502.209938] [] ? shrink_node+0x740/0x740 [ 502.209948] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 502.209956] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 502.209965] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 502.209974] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 502.209982] [] ? find_get_entry+0x11a/0x570 [ 502.209989] [] ? find_get_entry+0x141/0x570 [ 502.209997] [] ? page_cache_prev_hole+0x80/0x80 ** 35 printk messages dropped ** [ 505.045419] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 505.045419] to free 76kB on behalf of 'kworker/0:0' (2334) because [ 505.045419] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 505.045419] Free memory is -13592kB above reserved [ 505.045430] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 505.045430] to free 76kB on behalf of 'syz-execprog' (2089) because [ 505.045430] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 505.045430] Free memory is -13592kB above reserved [ 506.055462] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 506.055462] to free 76kB on behalf of 'syz-execprog' (2090) because [ 506.055462] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 506.055462] Free memory is -13592kB above reserved [ 506.055474] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 506.055474] to free 76kB on behalf of 'init' (1) because [ 506.055474] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 506.055474] Free memory is -13592kB above reserved [ 507.065451] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 507.065451] to free 76kB on behalf of 'syz-executor.3' (3013) because [ 507.065451] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 507.065451] Free memory is -13592kB above reserved [ 507.951425] syz-execprog: page allocation stalls for 70030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 507.951435] CPU: 1 PID: 2089 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 507.951453] ffff8801ce3f77c0 ffffffff81b42e79 1ffff10039c7eefa ffff8801cee417c0 [ 507.951464] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ce3f7908 [ 507.951475] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 507.951477] Call Trace: [ 507.951494] [] dump_stack+0xc1/0x128 [ 507.951504] [] warn_alloc.cold.31+0x7f/0x9c [ 507.951521] [] ? zone_watermark_ok_safe+0x250/0x250 [ 507.951530] [] ? shrink_node+0x740/0x740 [ 507.951539] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 507.951548] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 507.951557] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 507.951566] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 507.951574] [] ? find_get_entry+0x11a/0x570 [ 507.951582] [] ? find_get_entry+0x141/0x570 [ 507.951589] [] ? page_cache_prev_hole+0x80/0x80 [ 507.951598] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 507.951606] [] ? pagecache_get_page+0x131/0x710 [ 507.951614] [] filemap_fault+0xaf1/0x1110 [ 507.951623] [] ext4_filemap_fault+0x71/0xa0 [ 507.951630] [] __do_fault+0x223/0x500 [ 507.951638] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 507.951646] [] ? generic_file_readonly_mmap+0x190/0x190 [ 507.951654] [] handle_mm_fault+0x1326/0x2350 [ 507.951662] [] ? vm_insert_page+0x6f0/0x6f0 [ 507.951671] [] ? kvm_clock_read+0x23/0x40 [ 507.951679] [] ? kvm_clock_get_cycles+0x9/0x10 [ 507.951688] [] __do_page_fault+0x403/0xa60 [ 507.951697] [] ? __fget_light+0x169/0x1f0 [ 507.951704] [] ? bad_area_access_error+0x3a0/0x3a0 [ 507.951715] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 507.951722] [] do_page_fault+0x27/0x30 [ 507.951730] [] page_fault+0x25/0x30 [ 507.951734] Mem-Info: [ 507.951753] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 507.951753] active_file:0 inactive_file:24 isolated_file:0 [ 507.951753] unevictable:0 dirty:0 writeback:0 unstable:0 [ 507.951753] slab_reclaimable:3910 slab_unreclaimable:58351 [ 507.951753] mapped:4 shmem:48 pagetables:353 bounce:0 [ 507.951753] free:5978 free_pcp:112 free_cma:0 [ 507.951767] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 507.951788] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB ** 2 printk messages dropped ** [ 507.951825] lowmem_reserve[]: 0 0 0 ** 5 printk messages dropped ** [ 507.951934] Free swap = 0kB [ 507.951936] Total swap = 0kB [ 507.951938] 1965979 pages RAM [ 507.951941] 0 pages HighMem/MovableOnly [ 507.951943] 313617 pages reserved [ 508.075401] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 508.075401] to free 76kB on behalf of 'syz-executor.0' (3014) because [ 508.075401] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 508.075401] Free memory is -13592kB above reserved [ 508.075421] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 508.075421] to free 76kB on behalf of 'syz-executor.2' (2105) because [ 508.075421] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 508.075421] Free memory is -13592kB above reserved [ 508.426925] rsyslogd: page allocation stalls for 130010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 508.426936] CPU: 1 PID: 1891 Comm: rsyslogd Not tainted 4.9.141+ #23 [ 508.426953] ffff8801d39cf7c0 ffffffff81b42e79 1ffff1003a739efa ffff8801d3cb2f80 [ 508.426964] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d39cf908 [ 508.426975] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 508.426977] Call Trace: [ 508.426995] [] dump_stack+0xc1/0x128 [ 508.427005] [] warn_alloc.cold.31+0x7f/0x9c [ 508.427016] [] ? zone_watermark_ok_safe+0x250/0x250 [ 508.427027] [] ? shrink_node+0x740/0x740 [ 508.427037] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 508.427045] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 508.427054] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 508.427063] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 508.427071] [] ? find_get_entry+0x11a/0x570 [ 508.427078] [] ? find_get_entry+0x141/0x570 [ 508.427086] [] ? page_cache_prev_hole+0x80/0x80 [ 508.427094] [] ? autoremove_wake_function+0x40/0x40 [ 508.427102] [] ? pagecache_get_page+0x131/0x710 [ 508.427110] [] filemap_fault+0xaf1/0x1110 [ 508.427119] [] ext4_filemap_fault+0x71/0xa0 [ 508.427127] [] __do_fault+0x223/0x500 [ 508.427134] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 508.427143] [] ? generic_file_readonly_mmap+0x190/0x190 [ 508.427151] [] handle_mm_fault+0x1326/0x2350 [ 508.427158] [] ? vm_insert_page+0x6f0/0x6f0 [ 508.427166] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 508.427175] [] __do_page_fault+0x403/0xa60 [ 508.427183] [] ? bad_area_access_error+0x3a0/0x3a0 [ 508.427193] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 508.427201] [] do_page_fault+0x27/0x30 [ 508.427209] [] page_fault+0x25/0x30 [ 508.427213] Mem-Info: [ 508.427232] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 508.427232] active_file:0 inactive_file:24 isolated_file:0 [ 508.427232] unevictable:0 dirty:0 writeback:0 unstable:0 [ 508.427232] slab_reclaimable:3910 slab_unreclaimable:58351 [ 508.427232] mapped:4 shmem:48 pagetables:353 bounce:0 [ 508.427232] free:5978 free_pcp:112 free_cma:0 [ 508.427246] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 508.427266] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 508.427295] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233132kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:328kB local_pcp:100kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 508.427356] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 366*4kB (UMEH) 154*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 73 total pagecache pages [ 508.427405] 0 pages in swap cache [ 508.427409] Swap cache stats: add 0, delete 0, find 0/0 [ 508.427412] Free swap = 0kB [ 508.427413] Total swap = 0kB [ 508.427416] 1965979 pages RAM [ 508.427418] 0 pages HighMem/MovableOnly [ 508.427421] 313617 pages reserved [ 508.461926] syz-executor.2: page allocation stalls for 130010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 508.461936] CPU: 1 PID: 2105 Comm: syz-executor.2 Not tainted 4.9.141+ #23 [ 508.461953] ffff8801cc9af7c0 ffffffff81b42e79 1ffff10039935efa ffff8801cc9f0000 [ 508.461963] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cc9af908 [ 508.461974] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 508.461976] Call Trace: [ 508.461993] [] dump_stack+0xc1/0x128 [ 508.462003] [] warn_alloc.cold.31+0x7f/0x9c [ 508.462013] [] ? zone_watermark_ok_safe+0x250/0x250 [ 508.462022] [] ? shrink_node+0x740/0x740 [ 508.462031] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 508.462039] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 508.462048] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 508.462057] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 508.462065] [] ? find_get_entry+0x11a/0x570 [ 508.462072] [] ? find_get_entry+0x141/0x570 [ 508.462080] [] ? page_cache_prev_hole+0x80/0x80 [ 508.462088] [] ? pagecache_get_page+0x131/0x710 [ 508.462096] [] filemap_fault+0xaf1/0x1110 [ 508.462105] [] ext4_filemap_fault+0x71/0xa0 [ 508.462112] [] __do_fault+0x223/0x500 [ 508.462119] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 508.462128] [] ? generic_file_readonly_mmap+0x190/0x190 [ 508.462136] [] handle_mm_fault+0x1326/0x2350 [ 508.462143] [] ? vm_insert_page+0x6f0/0x6f0 [ 508.462153] [] ? compat_SyS_wait4+0x1e9/0x290 [ 508.462161] [] ? put_compat_rusage+0x550/0x550 [ 508.462170] [] __do_page_fault+0x403/0xa60 [ 508.462178] [] ? bad_area_access_error+0x3a0/0x3a0 [ 508.462189] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 508.462196] [] do_page_fault+0x27/0x30 [ 508.462204] [] page_fault+0x25/0x30 [ 508.462208] Mem-Info: [ 508.462227] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 508.462227] active_file:0 inactive_file:24 isolated_file:0 [ 508.462227] unevictable:0 dirty:0 writeback:0 unstable:0 [ 508.462227] slab_reclaimable:3910 slab_unreclaimable:58351 [ 508.462227] mapped:4 shmem:48 pagetables:353 bounce:0 [ 508.462227] free:5978 free_pcp:112 free_cma:0 [ 508.462242] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 508.462263] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 508.462291] Normal free:5224kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233132kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:328kB local_pcp:100kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 508.462352] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 366*4kB (UMEH) 154*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 73 total pagecache pages [ 508.462400] 0 pages in swap cache [ 508.462405] Swap cache stats: add 0, delete 0, find 0/0 [ 508.462407] Free swap = 0kB [ 508.462409] Total swap = 0kB [ 508.462412] 1965979 pages RAM [ 508.462414] 0 pages HighMem/MovableOnly [ 508.462416] 313617 pages reserved [ 508.698904] syz-execprog: page allocation stalls for 130050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 508.698914] CPU: 1 PID: 2090 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 508.698932] ffff8801ce3ff7c0 ffffffff81b42e79 1ffff10039c7fefa ffff8801cef2af80 ** 12 printk messages dropped ** [ 508.699067] [] ? find_get_entry+0x141/0x570 ** 55 printk messages dropped ** [ 508.913587] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 508.913596] [] ? generic_file_readonly_mmap+0x190/0x190 [ 508.913603] [] handle_mm_fault+0x1326/0x2350 [ 508.913611] [] ? vm_insert_page+0x6f0/0x6f0 ** 43 printk messages dropped ** [ 509.432692] [] filemap_fault+0xaf1/0x1110 [ 509.432701] [] ext4_filemap_fault+0x71/0xa0 [ 509.432708] [] __do_fault+0x223/0x500 [ 509.432715] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 509.432724] [] ? generic_file_readonly_mmap+0x190/0x190 ** 31 printk messages dropped ** [ 512.257186] CPU: 1 PID: 1 Comm: init Not tainted 4.9.141+ #23 [ 512.257203] ffff8801da6077c0 ffffffff81b42e79 1ffff1003b4c0efa ffff8801da5f8000 [ 512.257214] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 512.257225] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 512.257227] Call Trace: [ 512.257244] [] dump_stack+0xc1/0x128 [ 512.257254] [] warn_alloc.cold.31+0x7f/0x9c [ 512.257264] [] ? zone_watermark_ok_safe+0x250/0x250 [ 512.257273] [] ? shrink_node+0x740/0x740 [ 512.257282] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 512.257291] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 512.257300] [] ? gfp_pfmemalloc_allowed+0x110/0x110 ** 38 printk messages dropped ** [ 515.145422] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 515.145422] to free 76kB on behalf of 'syz-execprog' (2090) because [ 515.145422] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 515.145422] Free memory is -13600kB above reserved [ 515.145435] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 515.145435] to free 76kB on behalf of 'syz-executor.0' (3014) because [ 515.145435] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 515.145435] Free memory is -13600kB above reserved [ 516.155408] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 516.155408] to free 76kB on behalf of 'kworker/0:0' (2334) because [ 516.155408] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 516.155408] Free memory is -13600kB above reserved [ 516.155427] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 516.155427] to free 76kB on behalf of 'syz-executor.2' (2105) because [ 516.155427] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 516.155427] Free memory is -13600kB above reserved [ 517.165460] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 517.165460] to free 76kB on behalf of 'syz-executor.1' (2998) because [ 517.165460] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 517.165460] Free memory is -13600kB above reserved [ 517.165472] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 517.165472] to free 76kB on behalf of 'kworker/0:0' (2334) because [ 517.165472] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 517.165472] Free memory is -13600kB above reserved [ 517.962662] syz-execprog: page allocation stalls for 80040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 517.962673] CPU: 0 PID: 2089 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 517.962692] ffff8801ce3f77c0 ffffffff81b42e79 1ffff10039c7eefa ffff8801cee417c0 [ 517.962702] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ce3f7908 [ 517.962713] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 517.962715] Call Trace: [ 517.962732] [] dump_stack+0xc1/0x128 [ 517.962742] [] warn_alloc.cold.31+0x7f/0x9c [ 517.962752] [] ? zone_watermark_ok_safe+0x250/0x250 [ 517.962761] [] ? shrink_node+0x740/0x740 [ 517.962771] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 517.962779] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 517.962788] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 517.962797] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 517.962804] [] ? find_get_entry+0x11a/0x570 [ 517.962812] [] ? find_get_entry+0x141/0x570 [ 517.962819] [] ? page_cache_prev_hole+0x80/0x80 [ 517.962829] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 517.962836] [] ? pagecache_get_page+0x131/0x710 [ 517.962844] [] filemap_fault+0xaf1/0x1110 [ 517.962853] [] ext4_filemap_fault+0x71/0xa0 [ 517.962861] [] __do_fault+0x223/0x500 [ 517.962868] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 517.962876] [] ? generic_file_readonly_mmap+0x190/0x190 [ 517.962884] [] handle_mm_fault+0x1326/0x2350 [ 517.962891] [] ? vm_insert_page+0x6f0/0x6f0 [ 517.962901] [] ? kvm_clock_read+0x23/0x40 [ 517.962908] [] ? kvm_clock_get_cycles+0x9/0x10 [ 517.962918] [] __do_page_fault+0x403/0xa60 [ 517.962926] [] ? __fget_light+0x169/0x1f0 [ 517.962934] [] ? bad_area_access_error+0x3a0/0x3a0 [ 517.962944] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 517.962951] [] do_page_fault+0x27/0x30 [ 517.962960] [] page_fault+0x25/0x30 [ 517.962963] Mem-Info: [ 517.962982] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 517.962982] active_file:0 inactive_file:24 isolated_file:0 [ 517.962982] unevictable:0 dirty:0 writeback:0 unstable:0 [ 517.962982] slab_reclaimable:3910 slab_unreclaimable:58355 [ 517.962982] mapped:4 shmem:48 pagetables:353 bounce:0 [ 517.962982] free:5976 free_pcp:110 free_cma:0 ** 4 printk messages dropped ** [ 517.963060] lowmem_reserve[]: 0 0 0 [ 517.963114] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 366*4kB (UMEH) 153*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5216kB ** 1 printk messages dropped ** [ 517.963162] 0 pages in swap cache [ 517.963166] Swap cache stats: add 0, delete 0, find 0/0 [ 517.963168] Free swap = 0kB [ 517.963171] Total swap = 0kB [ 517.963173] 1965979 pages RAM [ 517.963175] 0 pages HighMem/MovableOnly [ 517.963178] 313617 pages reserved [ 518.175444] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 518.175444] to free 76kB on behalf of 'syz-executor.3' (3013) because [ 518.175444] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 518.175444] Free memory is -13600kB above reserved [ 518.432501] rsyslogd: page allocation stalls for 140010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 518.432511] CPU: 0 PID: 1891 Comm: rsyslogd Not tainted 4.9.141+ #23 [ 518.432528] ffff8801d39cf7c0 ffffffff81b42e79 1ffff1003a739efa ffff8801d3cb2f80 [ 518.432539] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d39cf908 [ 518.432550] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 518.432552] Call Trace: [ 518.432569] [] dump_stack+0xc1/0x128 [ 518.432579] [] warn_alloc.cold.31+0x7f/0x9c [ 518.432590] [] ? zone_watermark_ok_safe+0x250/0x250 [ 518.432599] [] ? shrink_node+0x740/0x740 [ 518.432609] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 518.432617] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 518.432626] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 518.432635] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 518.432643] [] ? find_get_entry+0x11a/0x570 [ 518.432650] [] ? find_get_entry+0x141/0x570 [ 518.432658] [] ? page_cache_prev_hole+0x80/0x80 [ 518.432667] [] ? autoremove_wake_function+0x40/0x40 [ 518.432674] [] ? pagecache_get_page+0x131/0x710 [ 518.432682] [] filemap_fault+0xaf1/0x1110 [ 518.432692] [] ext4_filemap_fault+0x71/0xa0 [ 518.432699] [] __do_fault+0x223/0x500 [ 518.432706] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 518.432714] [] ? generic_file_readonly_mmap+0x190/0x190 [ 518.432722] [] handle_mm_fault+0x1326/0x2350 [ 518.432730] [] ? vm_insert_page+0x6f0/0x6f0 [ 518.432737] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 518.432747] [] __do_page_fault+0x403/0xa60 [ 518.432755] [] ? bad_area_access_error+0x3a0/0x3a0 [ 518.432765] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 518.432773] [] do_page_fault+0x27/0x30 [ 518.432781] [] page_fault+0x25/0x30 [ 518.432785] Mem-Info: [ 518.432804] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 518.432804] active_file:0 inactive_file:24 isolated_file:0 [ 518.432804] unevictable:0 dirty:0 writeback:0 unstable:0 [ 518.432804] slab_reclaimable:3910 slab_unreclaimable:58355 [ 518.432804] mapped:4 shmem:48 pagetables:353 bounce:0 [ 518.432804] free:5976 free_pcp:110 free_cma:0 [ 518.432819] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 518.432839] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 518.432867] Normal free:5216kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233148kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 518.432928] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 366*4kB (UMEH) 153*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5216kB 73 total pagecache pages [ 518.432976] 0 pages in swap cache [ 518.432980] Swap cache stats: add 0, delete 0, find 0/0 [ 518.432983] Free swap = 0kB [ 518.432985] Total swap = 0kB [ 518.432987] 1965979 pages RAM [ 518.432990] 0 pages HighMem/MovableOnly [ 518.432992] 313617 pages reserved [ 518.483554] syz-executor.2: page allocation stalls for 140030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 518.483565] CPU: 1 PID: 2105 Comm: syz-executor.2 Not tainted 4.9.141+ #23 [ 518.483582] ffff8801cc9af7c0 ffffffff81b42e79 1ffff10039935efa ffff8801cc9f0000 [ 518.483593] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cc9af908 [ 518.483604] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 518.483606] Call Trace: [ 518.483622] [] dump_stack+0xc1/0x128 [ 518.483633] [] warn_alloc.cold.31+0x7f/0x9c [ 518.483643] [] ? zone_watermark_ok_safe+0x250/0x250 [ 518.483652] [] ? shrink_node+0x740/0x740 [ 518.483661] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 518.483669] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 518.483679] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 518.483688] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 518.483695] [] ? find_get_entry+0x11a/0x570 [ 518.483703] [] ? find_get_entry+0x141/0x570 [ 518.483710] [] ? page_cache_prev_hole+0x80/0x80 [ 518.483718] [] ? pagecache_get_page+0x131/0x710 [ 518.483726] [] filemap_fault+0xaf1/0x1110 [ 518.483735] [] ext4_filemap_fault+0x71/0xa0 [ 518.483742] [] __do_fault+0x223/0x500 [ 518.483750] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 518.483758] [] ? generic_file_readonly_mmap+0x190/0x190 [ 518.483766] [] handle_mm_fault+0x1326/0x2350 [ 518.483773] [] ? vm_insert_page+0x6f0/0x6f0 [ 518.483783] [] ? compat_SyS_wait4+0x1e9/0x290 [ 518.483791] [] ? put_compat_rusage+0x550/0x550 [ 518.483801] [] __do_page_fault+0x403/0xa60 [ 518.483809] [] ? bad_area_access_error+0x3a0/0x3a0 [ 518.483819] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 518.483826] [] do_page_fault+0x27/0x30 [ 518.483835] [] page_fault+0x25/0x30 [ 518.483839] Mem-Info: [ 518.483858] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 518.483858] active_file:0 inactive_file:24 isolated_file:0 [ 518.483858] unevictable:0 dirty:0 writeback:0 unstable:0 [ 518.483858] slab_reclaimable:3910 slab_unreclaimable:58355 [ 518.483858] mapped:4 shmem:48 pagetables:353 bounce:0 [ 518.483858] free:5976 free_pcp:110 free_cma:0 [ 518.483873] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 518.483893] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 518.483921] Normal free:5216kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233148kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 518.483983] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 366*4kB (UMEH) 153*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5216kB 73 total pagecache pages [ 518.484030] 0 pages in swap cache [ 518.484035] Swap cache stats: add 0, delete 0, find 0/0 [ 518.484037] Free swap = 0kB [ 518.484039] Total swap = 0kB [ 518.484042] 1965979 pages RAM [ 518.484044] 0 pages HighMem/MovableOnly [ 518.484047] 313617 pages reserved [ 518.687807] syz-execprog: page allocation stalls for 140040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 518.687818] CPU: 0 PID: 2090 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 518.687836] ffff8801ce3ff7c0 ffffffff81b42e79 1ffff10039c7fefa ffff8801cef2af80 [ 518.687846] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ce3ff908 [ 518.687857] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 518.687859] Call Trace: [ 518.687876] [] dump_stack+0xc1/0x128 ** 18 printk messages dropped ** [ 518.688043] [] ? vm_insert_page+0x6f0/0x6f0 ** 48 printk messages dropped ** [ 518.892732] [] ? vm_insert_page+0x6f0/0x6f0 [ 518.892741] [] ? hrtimer_nanosleep+0x38c/0x550 ** 6 printk messages dropped ** [ 518.892808] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 518.892808] active_file:0 inactive_file:24 isolated_file:0 [ 518.892808] unevictable:0 dirty:0 writeback:0 unstable:0 [ 518.892808] slab_reclaimable:3910 slab_unreclaimable:58355 [ 518.892808] mapped:4 shmem:48 pagetables:353 bounce:0 [ 518.892808] free:5976 free_pcp:110 free_cma:0 ** 81 printk messages dropped ** [ 522.292872] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 522.292881] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 522.292890] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 522.292898] [] ? find_get_entry+0x11a/0x570 [ 522.292906] [] ? find_get_entry+0x141/0x570 [ 522.292913] [] ? page_cache_prev_hole+0x80/0x80 [ 522.292921] [] ? __lock_acquire+0x654/0x4a10 [ 522.292929] [] ? pagecache_get_page+0x131/0x710 [ 522.292937] [] filemap_fault+0xaf1/0x1110 [ 522.292946] [] ext4_filemap_fault+0x71/0xa0 [ 522.292954] [] __do_fault+0x223/0x500 [ 522.292961] [] ? do_page_mkwrite+0x3e0/0x3e0 ** 30 printk messages dropped ** [ 525.245451] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 525.245451] to free 76kB on behalf of 'cron' (1943) because [ 525.245451] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 525.245451] Free memory is -13600kB above reserved ** 1 printk messages dropped ** [ 526.255429] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 526.255429] to free 76kB on behalf of 'cron' (1943) because [ 526.255429] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 526.255429] Free memory is -13600kB above reserved [ 527.265392] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 527.265392] to free 76kB on behalf of 'rs:main Q:Reg' (1889) because [ 527.265392] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 527.265392] Free memory is -13600kB above reserved [ 527.962438] syz-execprog: page allocation stalls for 90040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 527.962448] CPU: 1 PID: 2089 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 527.962466] ffff8801ce3f77c0 ffffffff81b42e79 1ffff10039c7eefa ffff8801cee417c0 [ 527.962477] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ce3f7908 [ 527.962488] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 527.962490] Call Trace: [ 527.962513] [] dump_stack+0xc1/0x128 [ 527.962524] [] warn_alloc.cold.31+0x7f/0x9c [ 527.962534] [] ? zone_watermark_ok_safe+0x250/0x250 [ 527.962543] [] ? shrink_node+0x740/0x740 [ 527.962552] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 527.962561] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 527.962570] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 527.962579] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 527.962587] [] ? find_get_entry+0x11a/0x570 [ 527.962594] [] ? find_get_entry+0x141/0x570 [ 527.962602] [] ? page_cache_prev_hole+0x80/0x80 [ 527.962611] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 527.962619] [] ? pagecache_get_page+0x131/0x710 [ 527.962627] [] filemap_fault+0xaf1/0x1110 [ 527.962636] [] ext4_filemap_fault+0x71/0xa0 [ 527.962644] [] __do_fault+0x223/0x500 [ 527.962651] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 527.962660] [] ? generic_file_readonly_mmap+0x190/0x190 [ 527.962668] [] handle_mm_fault+0x1326/0x2350 [ 527.962676] [] ? vm_insert_page+0x6f0/0x6f0 [ 527.962685] [] ? kvm_clock_read+0x23/0x40 [ 527.962693] [] ? kvm_clock_get_cycles+0x9/0x10 [ 527.962702] [] __do_page_fault+0x403/0xa60 [ 527.962712] [] ? __fget_light+0x169/0x1f0 [ 527.962719] [] ? bad_area_access_error+0x3a0/0x3a0 [ 527.962730] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 527.962737] [] do_page_fault+0x27/0x30 [ 527.962746] [] page_fault+0x25/0x30 [ 527.962750] Mem-Info: [ 527.962769] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 527.962769] active_file:0 inactive_file:24 isolated_file:0 [ 527.962769] unevictable:0 dirty:0 writeback:0 unstable:0 [ 527.962769] slab_reclaimable:3910 slab_unreclaimable:58355 [ 527.962769] mapped:4 shmem:48 pagetables:353 bounce:0 [ 527.962769] free:5976 free_pcp:110 free_cma:0 [ 527.962784] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 527.962804] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 527.962833] Normal free:5216kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233148kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:92kB free_cma:0kB ** 12 printk messages dropped ** [ 528.426193] rsyslogd: page allocation stalls for 150010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 528.426203] CPU: 0 PID: 1891 Comm: rsyslogd Not tainted 4.9.141+ #23 [ 528.426220] ffff8801d39cf7c0 ffffffff81b42e79 1ffff1003a739efa ffff8801d3cb2f80 [ 528.426231] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d39cf908 ** 2 printk messages dropped ** [ 528.426261] [] dump_stack+0xc1/0x128 [ 528.426270] [] warn_alloc.cold.31+0x7f/0x9c [ 528.426280] [] ? zone_watermark_ok_safe+0x250/0x250 [ 528.426289] [] ? shrink_node+0x740/0x740 [ 528.426298] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 528.426307] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 528.426316] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 528.426325] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 528.426332] [] ? find_get_entry+0x11a/0x570 [ 528.426340] [] ? find_get_entry+0x141/0x570 [ 528.426347] [] ? page_cache_prev_hole+0x80/0x80 [ 528.426356] [] ? autoremove_wake_function+0x40/0x40 [ 528.426363] [] ? pagecache_get_page+0x131/0x710 [ 528.426371] [] filemap_fault+0xaf1/0x1110 [ 528.426380] [] ext4_filemap_fault+0x71/0xa0 [ 528.426387] [] __do_fault+0x223/0x500 [ 528.426395] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 528.426403] [] ? generic_file_readonly_mmap+0x190/0x190 [ 528.426411] [] handle_mm_fault+0x1326/0x2350 [ 528.426418] [] ? vm_insert_page+0x6f0/0x6f0 [ 528.426426] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 528.426436] [] __do_page_fault+0x403/0xa60 [ 528.426444] [] ? bad_area_access_error+0x3a0/0x3a0 [ 528.426454] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 528.426462] [] do_page_fault+0x27/0x30 [ 528.426470] [] page_fault+0x25/0x30 [ 528.426474] Mem-Info: [ 528.426493] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 528.426493] active_file:0 inactive_file:24 isolated_file:0 [ 528.426493] unevictable:0 dirty:0 writeback:0 unstable:0 [ 528.426493] slab_reclaimable:3910 slab_unreclaimable:58355 [ 528.426493] mapped:4 shmem:48 pagetables:353 bounce:0 [ 528.426493] free:5976 free_pcp:110 free_cma:0 [ 528.426508] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 528.426527] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 528.426555] Normal free:5216kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233148kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 528.426616] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 366*4kB (UMEH) 153*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5216kB 73 total pagecache pages [ 528.426663] 0 pages in swap cache [ 528.426668] Swap cache stats: add 0, delete 0, find 0/0 [ 528.426670] Free swap = 0kB [ 528.426672] Total swap = 0kB [ 528.426675] 1965979 pages RAM [ 528.426677] 0 pages HighMem/MovableOnly [ 528.426679] 313617 pages reserved [ 528.470339] syz-executor.2: page allocation stalls for 150020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 528.470350] CPU: 1 PID: 2105 Comm: syz-executor.2 Not tainted 4.9.141+ #23 [ 528.470368] ffff8801cc9af7c0 ffffffff81b42e79 1ffff10039935efa ffff8801cc9f0000 [ 528.470379] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cc9af908 [ 528.470389] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 528.470391] Call Trace: [ 528.470408] [] dump_stack+0xc1/0x128 [ 528.470418] [] warn_alloc.cold.31+0x7f/0x9c [ 528.470428] [] ? zone_watermark_ok_safe+0x250/0x250 [ 528.470438] [] ? shrink_node+0x740/0x740 [ 528.470447] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 528.470455] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 528.470464] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 528.470474] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 528.470481] [] ? find_get_entry+0x11a/0x570 [ 528.470489] [] ? find_get_entry+0x141/0x570 [ 528.470496] [] ? page_cache_prev_hole+0x80/0x80 [ 528.470504] [] ? pagecache_get_page+0x131/0x710 [ 528.470519] [] filemap_fault+0xaf1/0x1110 [ 528.470528] [] ext4_filemap_fault+0x71/0xa0 [ 528.470535] [] __do_fault+0x223/0x500 [ 528.470542] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 528.470551] [] ? generic_file_readonly_mmap+0x190/0x190 [ 528.470559] [] handle_mm_fault+0x1326/0x2350 [ 528.470566] [] ? vm_insert_page+0x6f0/0x6f0 [ 528.470576] [] ? compat_SyS_wait4+0x1e9/0x290 [ 528.470584] [] ? put_compat_rusage+0x550/0x550 [ 528.470594] [] __do_page_fault+0x403/0xa60 [ 528.470603] [] ? bad_area_access_error+0x3a0/0x3a0 [ 528.470613] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 528.470620] [] do_page_fault+0x27/0x30 [ 528.470629] [] page_fault+0x25/0x30 [ 528.470633] Mem-Info: [ 528.470651] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 528.470651] active_file:0 inactive_file:24 isolated_file:0 [ 528.470651] unevictable:0 dirty:0 writeback:0 unstable:0 [ 528.470651] slab_reclaimable:3910 slab_unreclaimable:58355 [ 528.470651] mapped:4 shmem:48 pagetables:353 bounce:0 [ 528.470651] free:5976 free_pcp:110 free_cma:0 [ 528.470666] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 528.470686] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 528.470714] Normal free:5216kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233148kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 528.470775] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 366*4kB (UMEH) 153*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5216kB 73 total pagecache pages [ 528.470824] 0 pages in swap cache [ 528.470828] Swap cache stats: add 0, delete 0, find 0/0 [ 528.470831] Free swap = 0kB [ 528.470833] Total swap = 0kB [ 528.470835] 1965979 pages RAM [ 528.470838] 0 pages HighMem/MovableOnly [ 528.470840] 313617 pages reserved [ 528.732823] syz-execprog: page allocation stalls for 150080ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 528.732833] CPU: 1 PID: 2090 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 528.732851] ffff8801ce3ff7c0 ffffffff81b42e79 1ffff10039c7fefa ffff8801cef2af80 [ 528.732861] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ce3ff908 [ 528.732872] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 528.732874] Call Trace: [ 528.732891] [] dump_stack+0xc1/0x128 [ 528.732901] [] warn_alloc.cold.31+0x7f/0x9c [ 528.732911] [] ? zone_watermark_ok_safe+0x250/0x250 [ 528.732920] [] ? shrink_node+0x740/0x740 [ 528.732929] [] __alloc_pages_nodemask+0x1566/0x1bd0 ** 24 printk messages dropped ** [ 528.733147] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 ** 47 printk messages dropped ** [ 528.872809] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 ** 51 printk messages dropped ** [ 529.422830] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB ** 44 printk messages dropped ** [ 532.194090] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 532.194098] [] do_page_fault+0x27/0x30 [ 532.194106] [] page_fault+0x25/0x30 [ 532.194110] Mem-Info: [ 532.194129] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 532.194129] active_file:0 inactive_file:24 isolated_file:0 [ 532.194129] unevictable:0 dirty:0 writeback:0 unstable:0 [ 532.194129] slab_reclaimable:3910 slab_unreclaimable:58355 [ 532.194129] mapped:4 shmem:48 pagetables:353 bounce:0 [ 532.194129] free:5976 free_pcp:110 free_cma:0 ** 24 printk messages dropped ** [ 537.365472] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 537.365472] to free 76kB on behalf of 'init' (1) because [ 537.365472] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 537.365472] Free memory is -13600kB above reserved [ 537.970183] syz-execprog: page allocation stalls for 100050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 537.970194] CPU: 1 PID: 2089 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 537.970211] ffff8801ce3f77c0 ffffffff81b42e79 1ffff10039c7eefa ffff8801cee417c0 [ 537.970222] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ce3f7908 [ 537.970233] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 537.970235] Call Trace: [ 537.970253] [] dump_stack+0xc1/0x128 [ 537.970263] [] warn_alloc.cold.31+0x7f/0x9c [ 537.970273] [] ? zone_watermark_ok_safe+0x250/0x250 [ 537.970282] [] ? shrink_node+0x740/0x740 [ 537.970291] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 537.970300] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 537.970309] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 537.970318] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 537.970326] [] ? find_get_entry+0x11a/0x570 [ 537.970333] [] ? find_get_entry+0x141/0x570 [ 537.970340] [] ? page_cache_prev_hole+0x80/0x80 [ 537.970350] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 537.970358] [] ? pagecache_get_page+0x131/0x710 [ 537.970365] [] filemap_fault+0xaf1/0x1110 [ 537.970374] [] ext4_filemap_fault+0x71/0xa0 [ 537.970382] [] __do_fault+0x223/0x500 [ 537.970389] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 537.970397] [] ? generic_file_readonly_mmap+0x190/0x190 [ 537.970405] [] handle_mm_fault+0x1326/0x2350 [ 537.970413] [] ? vm_insert_page+0x6f0/0x6f0 [ 537.970423] [] ? kvm_clock_read+0x23/0x40 [ 537.970430] [] ? kvm_clock_get_cycles+0x9/0x10 [ 537.970440] [] __do_page_fault+0x403/0xa60 [ 537.970448] [] ? __fget_light+0x169/0x1f0 [ 537.970457] [] ? bad_area_access_error+0x3a0/0x3a0 [ 537.970468] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 537.970475] [] do_page_fault+0x27/0x30 [ 537.970484] [] page_fault+0x25/0x30 [ 537.970488] Mem-Info: [ 537.970515] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 537.970515] active_file:0 inactive_file:24 isolated_file:0 [ 537.970515] unevictable:0 dirty:0 writeback:0 unstable:0 [ 537.970515] slab_reclaimable:3910 slab_unreclaimable:58355 [ 537.970515] mapped:4 shmem:48 pagetables:353 bounce:0 [ 537.970515] free:5976 free_pcp:110 free_cma:0 [ 537.970529] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 537.970549] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 537.970578] Normal free:5216kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233148kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 537.970639] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB ** 13 printk messages dropped ** [ 538.444860] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d39cf908 [ 538.444871] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 538.444873] Call Trace: [ 538.444890] [] dump_stack+0xc1/0x128 [ 538.444900] [] warn_alloc.cold.31+0x7f/0x9c [ 538.444910] [] ? zone_watermark_ok_safe+0x250/0x250 [ 538.444919] [] ? shrink_node+0x740/0x740 [ 538.444928] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 538.444936] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 538.444946] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 538.444955] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 538.444962] [] ? find_get_entry+0x11a/0x570 [ 538.444970] [] ? find_get_entry+0x141/0x570 [ 538.444977] [] ? page_cache_prev_hole+0x80/0x80 [ 538.444986] [] ? autoremove_wake_function+0x40/0x40 [ 538.444994] [] ? pagecache_get_page+0x131/0x710 [ 538.445002] [] filemap_fault+0xaf1/0x1110 [ 538.445017] [] ext4_filemap_fault+0x71/0xa0 [ 538.445024] [] __do_fault+0x223/0x500 [ 538.445031] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 538.445040] [] ? generic_file_readonly_mmap+0x190/0x190 [ 538.445048] [] handle_mm_fault+0x1326/0x2350 [ 538.445055] [] ? vm_insert_page+0x6f0/0x6f0 [ 538.445063] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 538.445072] [] __do_page_fault+0x403/0xa60 [ 538.445080] [] ? bad_area_access_error+0x3a0/0x3a0 [ 538.445091] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 538.445098] [] do_page_fault+0x27/0x30 [ 538.445107] [] page_fault+0x25/0x30 [ 538.445111] Mem-Info: [ 538.445130] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 538.445130] active_file:0 inactive_file:24 isolated_file:0 [ 538.445130] unevictable:0 dirty:0 writeback:0 unstable:0 [ 538.445130] slab_reclaimable:3910 slab_unreclaimable:58355 [ 538.445130] mapped:4 shmem:48 pagetables:353 bounce:0 [ 538.445130] free:5976 free_pcp:110 free_cma:0 [ 538.445144] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 538.445164] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 538.445193] Normal free:5216kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233148kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 538.445253] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 366*4kB (UMEH) 153*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5216kB 73 total pagecache pages [ 538.500425] 0 pages in swap cache [ 538.500429] Swap cache stats: add 0, delete 0, find 0/0 [ 538.500432] Free swap = 0kB [ 538.500433] Total swap = 0kB [ 538.500437] 1965979 pages RAM [ 538.500439] 0 pages HighMem/MovableOnly [ 538.500441] 313617 pages reserved [ 538.517152] syz-executor.2: page allocation stalls for 160070ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 538.517163] CPU: 1 PID: 2105 Comm: syz-executor.2 Not tainted 4.9.141+ #23 [ 538.517180] ffff8801cc9af7c0 ffffffff81b42e79 1ffff10039935efa ffff8801cc9f0000 [ 538.517191] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cc9af908 [ 538.517202] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 538.517204] Call Trace: [ 538.517221] [] dump_stack+0xc1/0x128 [ 538.517231] [] warn_alloc.cold.31+0x7f/0x9c [ 538.517241] [] ? zone_watermark_ok_safe+0x250/0x250 [ 538.517250] [] ? shrink_node+0x740/0x740 [ 538.517260] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 538.517268] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 538.517277] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 538.517286] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 538.517294] [] ? find_get_entry+0x11a/0x570 [ 538.517301] [] ? find_get_entry+0x141/0x570 [ 538.517308] [] ? page_cache_prev_hole+0x80/0x80 [ 538.517316] [] ? pagecache_get_page+0x131/0x710 [ 538.517324] [] filemap_fault+0xaf1/0x1110 [ 538.517333] [] ext4_filemap_fault+0x71/0xa0 [ 538.517341] [] __do_fault+0x223/0x500 [ 538.517348] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 538.517356] [] ? generic_file_readonly_mmap+0x190/0x190 [ 538.517364] [] handle_mm_fault+0x1326/0x2350 [ 538.517371] [] ? vm_insert_page+0x6f0/0x6f0 [ 538.517381] [] ? compat_SyS_wait4+0x1e9/0x290 [ 538.517390] [] ? put_compat_rusage+0x550/0x550 [ 538.517399] [] __do_page_fault+0x403/0xa60 [ 538.517407] [] ? bad_area_access_error+0x3a0/0x3a0 [ 538.517418] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 538.517425] [] do_page_fault+0x27/0x30 [ 538.517433] [] page_fault+0x25/0x30 [ 538.517437] Mem-Info: [ 538.517457] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 538.517457] active_file:0 inactive_file:24 isolated_file:0 [ 538.517457] unevictable:0 dirty:0 writeback:0 unstable:0 [ 538.517457] slab_reclaimable:3910 slab_unreclaimable:58355 [ 538.517457] mapped:4 shmem:48 pagetables:353 bounce:0 [ 538.517457] free:5976 free_pcp:110 free_cma:0 [ 538.517471] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 538.517492] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 538.517527] Normal free:5216kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233148kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 538.517587] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 366*4kB (UMEH) 153*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5216kB 73 total pagecache pages [ 538.517636] 0 pages in swap cache [ 538.517640] Swap cache stats: add 0, delete 0, find 0/0 [ 538.517643] Free swap = 0kB [ 538.517645] Total swap = 0kB [ 538.517647] 1965979 pages RAM [ 538.517649] 0 pages HighMem/MovableOnly [ 538.517652] 313617 pages reserved [ 538.674327] syz-execprog: page allocation stalls for 160020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 538.674338] CPU: 0 PID: 2090 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 538.674356] ffff8801ce3ff7c0 ffffffff81b42e79 1ffff10039c7fefa ffff8801cef2af80 [ 538.674368] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ce3ff908 [ 538.674378] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 538.674380] Call Trace: [ 538.674397] [] dump_stack+0xc1/0x128 [ 538.674406] [] warn_alloc.cold.31+0x7f/0x9c [ 538.674417] [] ? zone_watermark_ok_safe+0x250/0x250 [ 538.674425] [] ? shrink_node+0x740/0x740 [ 538.674435] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 538.674443] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 538.674452] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 538.674461] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 538.674468] [] ? find_get_entry+0x11a/0x570 [ 538.674476] [] ? find_get_entry+0x141/0x570 [ 538.674483] [] ? page_cache_prev_hole+0x80/0x80 [ 538.674492] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 538.674500] [] ? pagecache_get_page+0x131/0x710 [ 538.674507] [] filemap_fault+0xaf1/0x1110 ** 64 printk messages dropped ** [ 538.927727] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 538.927755] Normal free:5216kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233148kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:228kB free_cma:0kB ** 48 printk messages dropped ** [ 539.508802] lowmem_reserve[]: 0 3505 3505 ** 49 printk messages dropped ** [ 542.183916] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 542.183935] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 542.183961] Normal free:5216kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233148kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:228kB free_cma:0kB ** 21 printk messages dropped ** [ 547.955210] syz-execprog: page allocation stalls for 110030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 547.955221] CPU: 0 PID: 2089 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 547.955240] ffff8801ce3f77c0 ffffffff81b42e79 1ffff10039c7eefa ffff8801cee417c0 [ 547.955250] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ce3f7908 [ 547.955261] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 547.955263] Call Trace: [ 547.955287] [] dump_stack+0xc1/0x128 [ 547.955296] [] warn_alloc.cold.31+0x7f/0x9c [ 547.955304] [] ? zone_watermark_ok_safe+0x250/0x250 [ 547.955312] [] ? shrink_node+0x740/0x740 [ 547.955319] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 547.955327] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 547.955336] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 547.955345] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 547.955352] [] ? find_get_entry+0x11a/0x570 [ 547.955360] [] ? find_get_entry+0x141/0x570 [ 547.955368] [] ? page_cache_prev_hole+0x80/0x80 [ 547.955377] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 547.955385] [] ? pagecache_get_page+0x131/0x710 [ 547.955393] [] filemap_fault+0xaf1/0x1110 [ 547.955402] [] ext4_filemap_fault+0x71/0xa0 [ 547.955409] [] __do_fault+0x223/0x500 [ 547.955416] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 547.955425] [] ? generic_file_readonly_mmap+0x190/0x190 [ 547.955433] [] handle_mm_fault+0x1326/0x2350 [ 547.955440] [] ? vm_insert_page+0x6f0/0x6f0 [ 547.955450] [] ? kvm_clock_read+0x23/0x40 [ 547.955458] [] ? kvm_clock_get_cycles+0x9/0x10 [ 547.955468] [] __do_page_fault+0x403/0xa60 [ 547.955477] [] ? __fget_light+0x169/0x1f0 [ 547.955484] [] ? bad_area_access_error+0x3a0/0x3a0 [ 547.955495] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 547.955502] [] do_page_fault+0x27/0x30 [ 547.955510] [] page_fault+0x25/0x30 [ 548.005168] Mem-Info: [ 548.005192] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 548.005192] active_file:0 inactive_file:24 isolated_file:0 [ 548.005192] unevictable:0 dirty:0 writeback:0 unstable:0 [ 548.005192] slab_reclaimable:3910 slab_unreclaimable:58355 [ 548.005192] mapped:4 shmem:48 pagetables:353 bounce:0 [ 548.005192] free:5976 free_pcp:110 free_cma:0 [ 548.005208] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 548.005228] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 548.005258] Normal free:5216kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233148kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 548.005398] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 366*4kB (UMEH) 153*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5216kB 73 total pagecache pages [ 548.005447] 0 pages in swap cache ** 17 printk messages dropped ** [ 548.442625] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 548.442634] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 548.442643] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 548.442651] [] ? find_get_entry+0x11a/0x570 [ 548.442658] [] ? find_get_entry+0x141/0x570 [ 548.442666] [] ? page_cache_prev_hole+0x80/0x80 [ 548.442674] [] ? autoremove_wake_function+0x40/0x40 [ 548.442682] [] ? pagecache_get_page+0x131/0x710 [ 548.442690] [] filemap_fault+0xaf1/0x1110 [ 548.442699] [] ext4_filemap_fault+0x71/0xa0 [ 548.442707] [] __do_fault+0x223/0x500 [ 548.442714] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 548.442722] [] ? generic_file_readonly_mmap+0x190/0x190 [ 548.442730] [] handle_mm_fault+0x1326/0x2350 [ 548.442737] [] ? vm_insert_page+0x6f0/0x6f0 [ 548.442745] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 548.442754] [] __do_page_fault+0x403/0xa60 [ 548.442762] [] ? bad_area_access_error+0x3a0/0x3a0 [ 548.442773] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 548.442780] [] do_page_fault+0x27/0x30 [ 548.442788] [] page_fault+0x25/0x30 [ 548.442792] Mem-Info: [ 548.442811] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 548.442811] active_file:0 inactive_file:24 isolated_file:0 [ 548.442811] unevictable:0 dirty:0 writeback:0 unstable:0 [ 548.442811] slab_reclaimable:3910 slab_unreclaimable:58355 [ 548.442811] mapped:4 shmem:48 pagetables:353 bounce:0 [ 548.442811] free:5976 free_pcp:110 free_cma:0 [ 548.442826] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 548.442846] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 548.442875] Normal free:5216kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233148kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 548.442936] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 366*4kB (UMEH) 153*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5216kB 73 total pagecache pages [ 548.442984] 0 pages in swap cache [ 548.442989] Swap cache stats: add 0, delete 0, find 0/0 [ 548.442991] Free swap = 0kB [ 548.442993] Total swap = 0kB [ 548.442996] 1965979 pages RAM [ 548.442998] 0 pages HighMem/MovableOnly [ 548.443000] 313617 pages reserved [ 548.461802] syz-executor.2: page allocation stalls for 170010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 548.461811] CPU: 0 PID: 2105 Comm: syz-executor.2 Not tainted 4.9.141+ #23 [ 548.461829] ffff8801cc9af7c0 ffffffff81b42e79 1ffff10039935efa ffff8801cc9f0000 [ 548.461839] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cc9af908 [ 548.461849] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 548.461851] Call Trace: [ 548.461868] [] dump_stack+0xc1/0x128 [ 548.461878] [] warn_alloc.cold.31+0x7f/0x9c [ 548.461887] [] ? zone_watermark_ok_safe+0x250/0x250 [ 548.461896] [] ? shrink_node+0x740/0x740 [ 548.461905] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 548.461913] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 548.461921] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 548.461929] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 548.461937] [] ? find_get_entry+0x11a/0x570 [ 548.461944] [] ? find_get_entry+0x141/0x570 [ 548.461951] [] ? page_cache_prev_hole+0x80/0x80 [ 548.461958] [] ? pagecache_get_page+0x131/0x710 [ 548.461966] [] filemap_fault+0xaf1/0x1110 [ 548.461974] [] ext4_filemap_fault+0x71/0xa0 [ 548.461981] [] __do_fault+0x223/0x500 [ 548.461988] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 548.461996] [] ? generic_file_readonly_mmap+0x190/0x190 [ 548.462011] [] handle_mm_fault+0x1326/0x2350 [ 548.462018] [] ? vm_insert_page+0x6f0/0x6f0 [ 548.462028] [] ? compat_SyS_wait4+0x1e9/0x290 [ 548.462035] [] ? put_compat_rusage+0x550/0x550 [ 548.462044] [] __do_page_fault+0x403/0xa60 [ 548.462052] [] ? bad_area_access_error+0x3a0/0x3a0 [ 548.462062] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 548.462069] [] do_page_fault+0x27/0x30 [ 548.462077] [] page_fault+0x25/0x30 [ 548.462081] Mem-Info: [ 548.462099] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 548.462099] active_file:0 inactive_file:24 isolated_file:0 [ 548.462099] unevictable:0 dirty:0 writeback:0 unstable:0 [ 548.462099] slab_reclaimable:3910 slab_unreclaimable:58355 [ 548.462099] mapped:4 shmem:48 pagetables:353 bounce:0 [ 548.462099] free:5976 free_pcp:110 free_cma:0 [ 548.462113] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 548.462132] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 548.462158] Normal free:5216kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233148kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 548.462215] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 366*4kB (UMEH) 153*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5216kB 73 total pagecache pages [ 548.462259] 0 pages in swap cache [ 548.462264] Swap cache stats: add 0, delete 0, find 0/0 [ 548.462266] Free swap = 0kB [ 548.462268] Total swap = 0kB [ 548.462270] 1965979 pages RAM [ 548.462272] 0 pages HighMem/MovableOnly [ 548.462274] 313617 pages reserved [ 548.475413] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 548.475413] to free 76kB on behalf of 'rs:main Q:Reg' (1889) because [ 548.475413] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 548.475413] Free memory is -13600kB above reserved [ 548.475427] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 548.475427] to free 76kB on behalf of 'syz-executor.0' (3014) because [ 548.475427] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 548.475427] Free memory is -13600kB above reserved [ 548.682510] syz-execprog: page allocation stalls for 170030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 548.682520] CPU: 1 PID: 2090 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 548.682538] ffff8801ce3ff7c0 ffffffff81b42e79 1ffff10039c7fefa ffff8801cef2af80 [ 548.682549] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ce3ff908 [ 548.682560] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 548.682562] Call Trace: [ 548.682579] [] dump_stack+0xc1/0x128 [ 548.682589] [] warn_alloc.cold.31+0x7f/0x9c [ 548.682600] [] ? zone_watermark_ok_safe+0x250/0x250 [ 548.682609] [] ? shrink_node+0x740/0x740 [ 548.682618] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 548.682626] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 548.682635] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 548.682644] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 548.682651] [] ? find_get_entry+0x11a/0x570 [ 548.682659] [] ? find_get_entry+0x141/0x570 [ 548.682666] [] ? page_cache_prev_hole+0x80/0x80 [ 548.682676] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 548.682683] [] ? pagecache_get_page+0x131/0x710 [ 548.682691] [] filemap_fault+0xaf1/0x1110 [ 548.682700] [] ext4_filemap_fault+0x71/0xa0 [ 548.682708] [] __do_fault+0x223/0x500 [ 548.682715] [] ? do_page_mkwrite+0x3e0/0x3e0 ** 62 printk messages dropped ** [ 548.912857] lowmem_reserve[]: 0 3505 3505 [ 548.912876] Normal free:5216kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233148kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:92kB free_cma:0kB ** 47 printk messages dropped ** [ 549.456763] lowmem_reserve[]: 0 3505 3505 [ 549.456783] Normal free:5216kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233148kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:92kB free_cma:0kB ** 46 printk messages dropped ** [ 552.213638] [] do_page_fault+0x27/0x30 [ 552.213647] [] page_fault+0x25/0x30 [ 552.213650] Mem-Info: [ 552.213670] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 552.213670] active_file:0 inactive_file:24 isolated_file:0 [ 552.213670] unevictable:0 dirty:0 writeback:0 unstable:0 [ 552.213670] slab_reclaimable:3910 slab_unreclaimable:58355 [ 552.213670] mapped:4 shmem:48 pagetables:353 bounce:0 [ 552.213670] free:5976 free_pcp:110 free_cma:0 [ 552.213684] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 ** 23 printk messages dropped ** [ 557.605469] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 557.605469] to free 76kB on behalf of 'syz-executor.3' (3013) because [ 557.605469] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 557.605469] Free memory is -13600kB above reserved [ 557.605481] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 557.605481] to free 76kB on behalf of 'kworker/0:0' (2334) because [ 557.605481] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 557.605481] Free memory is -13600kB above reserved [ 557.969787] syz-execprog: page allocation stalls for 120050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 557.969799] CPU: 0 PID: 2089 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 557.969817] ffff8801ce3f77c0 ffffffff81b42e79 1ffff10039c7eefa ffff8801cee417c0 [ 557.969828] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ce3f7908 [ 557.969839] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 557.969841] Call Trace: [ 557.969858] [] dump_stack+0xc1/0x128 [ 557.969868] [] warn_alloc.cold.31+0x7f/0x9c [ 557.969878] [] ? zone_watermark_ok_safe+0x250/0x250 [ 557.969887] [] ? shrink_node+0x740/0x740 [ 557.969896] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 557.969904] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 557.969914] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 557.969923] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 557.969930] [] ? find_get_entry+0x11a/0x570 [ 557.969938] [] ? find_get_entry+0x141/0x570 [ 557.969945] [] ? page_cache_prev_hole+0x80/0x80 [ 557.969954] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 557.969962] [] ? pagecache_get_page+0x131/0x710 [ 557.969970] [] filemap_fault+0xaf1/0x1110 [ 557.969979] [] ext4_filemap_fault+0x71/0xa0 [ 557.969986] [] __do_fault+0x223/0x500 [ 557.969993] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 557.970008] [] ? generic_file_readonly_mmap+0x190/0x190 [ 557.970016] [] handle_mm_fault+0x1326/0x2350 [ 557.970023] [] ? vm_insert_page+0x6f0/0x6f0 [ 557.970033] [] ? kvm_clock_read+0x23/0x40 [ 557.970041] [] ? kvm_clock_get_cycles+0x9/0x10 [ 557.970051] [] __do_page_fault+0x403/0xa60 [ 557.970059] [] ? __fget_light+0x169/0x1f0 [ 557.970067] [] ? bad_area_access_error+0x3a0/0x3a0 [ 557.970077] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 557.970085] [] do_page_fault+0x27/0x30 [ 557.970093] [] page_fault+0x25/0x30 [ 557.970098] Mem-Info: [ 557.970117] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 557.970117] active_file:0 inactive_file:24 isolated_file:0 [ 557.970117] unevictable:0 dirty:0 writeback:0 unstable:0 [ 557.970117] slab_reclaimable:3910 slab_unreclaimable:58355 [ 557.970117] mapped:4 shmem:48 pagetables:353 bounce:0 [ 557.970117] free:5976 free_pcp:110 free_cma:0 [ 557.970132] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 557.970151] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 557.970180] Normal free:5216kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233148kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 557.970241] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB ** 10 printk messages dropped ** [ 558.443708] CPU: 1 PID: 1891 Comm: rsyslogd Not tainted 4.9.141+ #23 [ 558.443726] ffff8801d39cf7c0 ffffffff81b42e79 1ffff1003a739efa ffff8801d3cb2f80 [ 558.443737] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d39cf908 [ 558.443747] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 558.443749] Call Trace: [ 558.443767] [] dump_stack+0xc1/0x128 [ 558.443776] [] warn_alloc.cold.31+0x7f/0x9c [ 558.443787] [] ? zone_watermark_ok_safe+0x250/0x250 [ 558.443796] [] ? shrink_node+0x740/0x740 [ 558.443805] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 558.443813] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 558.443823] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 558.443832] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 558.443839] [] ? find_get_entry+0x11a/0x570 [ 558.443847] [] ? find_get_entry+0x141/0x570 [ 558.443854] [] ? page_cache_prev_hole+0x80/0x80 [ 558.443863] [] ? autoremove_wake_function+0x40/0x40 [ 558.443871] [] ? pagecache_get_page+0x131/0x710 [ 558.443879] [] filemap_fault+0xaf1/0x1110 [ 558.443888] [] ext4_filemap_fault+0x71/0xa0 [ 558.443896] [] __do_fault+0x223/0x500 [ 558.443903] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 558.443911] [] ? generic_file_readonly_mmap+0x190/0x190 [ 558.443919] [] handle_mm_fault+0x1326/0x2350 [ 558.443927] [] ? vm_insert_page+0x6f0/0x6f0 [ 558.443934] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 558.443944] [] __do_page_fault+0x403/0xa60 [ 558.443952] [] ? bad_area_access_error+0x3a0/0x3a0 [ 558.443962] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 558.443970] [] do_page_fault+0x27/0x30 [ 558.443978] [] page_fault+0x25/0x30 [ 558.443982] Mem-Info: [ 558.444001] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 558.444001] active_file:0 inactive_file:24 isolated_file:0 [ 558.444001] unevictable:0 dirty:0 writeback:0 unstable:0 [ 558.444001] slab_reclaimable:3910 slab_unreclaimable:58355 [ 558.444001] mapped:4 shmem:48 pagetables:353 bounce:0 [ 558.444001] free:5976 free_pcp:110 free_cma:0 [ 558.444015] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 558.444035] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 558.444064] Normal free:5216kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233148kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 558.444125] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 366*4kB (UMEH) 153*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5216kB 73 total pagecache pages [ 558.444174] 0 pages in swap cache [ 558.444178] Swap cache stats: add 0, delete 0, find 0/0 [ 558.444181] Free swap = 0kB [ 558.444183] Total swap = 0kB [ 558.444186] 1965979 pages RAM [ 558.444188] 0 pages HighMem/MovableOnly [ 558.444190] 313617 pages reserved [ 558.490134] syz-executor.2: page allocation stalls for 180040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 558.490146] CPU: 0 PID: 2105 Comm: syz-executor.2 Not tainted 4.9.141+ #23 [ 558.490163] ffff8801cc9af7c0 ffffffff81b42e79 1ffff10039935efa ffff8801cc9f0000 [ 558.490173] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cc9af908 [ 558.490183] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 558.490185] Call Trace: [ 558.490203] [] dump_stack+0xc1/0x128 [ 558.490213] [] warn_alloc.cold.31+0x7f/0x9c [ 558.490222] [] ? zone_watermark_ok_safe+0x250/0x250 [ 558.490231] [] ? shrink_node+0x740/0x740 [ 558.490240] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 558.490248] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 558.490257] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 558.490266] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 558.490273] [] ? find_get_entry+0x11a/0x570 [ 558.490280] [] ? find_get_entry+0x141/0x570 [ 558.490287] [] ? page_cache_prev_hole+0x80/0x80 [ 558.490294] [] ? pagecache_get_page+0x131/0x710 [ 558.490301] [] filemap_fault+0xaf1/0x1110 [ 558.490310] [] ext4_filemap_fault+0x71/0xa0 [ 558.490317] [] __do_fault+0x223/0x500 [ 558.490324] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 558.490332] [] ? generic_file_readonly_mmap+0x190/0x190 [ 558.490339] [] handle_mm_fault+0x1326/0x2350 [ 558.490346] [] ? vm_insert_page+0x6f0/0x6f0 [ 558.490355] [] ? compat_SyS_wait4+0x1e9/0x290 [ 558.490362] [] ? put_compat_rusage+0x550/0x550 [ 558.490371] [] __do_page_fault+0x403/0xa60 [ 558.490378] [] ? bad_area_access_error+0x3a0/0x3a0 [ 558.490387] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 558.490393] [] do_page_fault+0x27/0x30 [ 558.490401] [] page_fault+0x25/0x30 [ 558.490405] Mem-Info: [ 558.490422] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 558.490422] active_file:0 inactive_file:24 isolated_file:0 [ 558.490422] unevictable:0 dirty:0 writeback:0 unstable:0 [ 558.490422] slab_reclaimable:3910 slab_unreclaimable:58355 [ 558.490422] mapped:4 shmem:48 pagetables:353 bounce:0 [ 558.490422] free:5976 free_pcp:110 free_cma:0 [ 558.490436] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 558.490455] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 558.490481] Normal free:5216kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233148kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 558.490536] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 366*4kB (UMEH) 153*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5216kB 73 total pagecache pages [ 558.490581] 0 pages in swap cache [ 558.490586] Swap cache stats: add 0, delete 0, find 0/0 [ 558.490588] Free swap = 0kB [ 558.490590] Total swap = 0kB [ 558.490592] 1965979 pages RAM [ 558.490594] 0 pages HighMem/MovableOnly [ 558.490596] 313617 pages reserved [ 558.615442] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 558.615442] to free 76kB on behalf of 'syz-executor.3' (3013) because [ 558.615442] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 558.615442] Free memory is -13600kB above reserved [ 558.615454] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 558.615454] to free 76kB on behalf of 'syz-executor.4' (3015) because [ 558.615454] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 558.615454] Free memory is -13600kB above reserved [ 558.689594] syz-execprog: page allocation stalls for 180040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 558.689605] CPU: 1 PID: 2090 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 558.689623] ffff8801ce3ff7c0 ffffffff81b42e79 1ffff10039c7fefa ffff8801cef2af80 [ 558.689634] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ce3ff908 [ 558.689644] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 558.689646] Call Trace: [ 558.689663] [] dump_stack+0xc1/0x128 [ 558.689674] [] warn_alloc.cold.31+0x7f/0x9c [ 558.689684] [] ? zone_watermark_ok_safe+0x250/0x250 [ 558.689694] [] ? shrink_node+0x740/0x740 ** 69 printk messages dropped ** [ 558.881668] [] do_page_fault+0x27/0x30 [ 558.881678] [] page_fault+0x25/0x30 [ 558.881685] Mem-Info: [ 558.881709] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 558.881709] active_file:0 inactive_file:24 isolated_file:0 [ 558.881709] unevictable:0 dirty:0 writeback:0 unstable:0 [ 558.881709] slab_reclaimable:3910 slab_unreclaimable:58355 [ 558.881709] mapped:4 shmem:48 pagetables:353 bounce:0 [ 558.881709] free:5976 free_pcp:110 free_cma:0 ** 46 printk messages dropped ** [ 559.428989] [] page_fault+0x25/0x30 [ 559.428993] Mem-Info: ** 31 printk messages dropped ** [ 562.198684] [] ? shrink_node+0x740/0x740 [ 562.198693] [] __alloc_pages_nodemask+0x1566/0x1bd0 ** 5 printk messages dropped ** [ 562.198741] [] ? page_cache_prev_hole+0x80/0x80 [ 562.198748] [] ? __lock_acquire+0x654/0x4a10 [ 562.198755] [] ? pagecache_get_page+0x131/0x710 [ 562.198762] [] filemap_fault+0xaf1/0x1110 [ 562.198770] [] ext4_filemap_fault+0x71/0xa0 [ 562.198777] [] __do_fault+0x223/0x500 [ 562.198784] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 562.198792] [] ? generic_file_readonly_mmap+0x190/0x190 [ 562.198799] [] handle_mm_fault+0x1326/0x2350 [ 562.198807] [] ? vm_insert_page+0x6f0/0x6f0 [ 562.198815] [] ? kvm_clock_get_cycles+0x9/0x10 ** 27 printk messages dropped ** [ 565.685403] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 565.685403] to free 76kB on behalf of 'init' (1) because [ 565.685403] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 565.685403] Free memory is -13600kB above reserved [ 566.695430] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 566.695430] to free 76kB on behalf of 'syz-executor.3' (3013) because [ 566.695430] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 566.695430] Free memory is -13600kB above reserved [ 566.695442] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 566.695442] to free 76kB on behalf of 'rsyslogd' (1891) because [ 566.695442] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 566.695442] Free memory is -13600kB above reserved [ 567.705420] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 567.705420] to free 76kB on behalf of 'rsyslogd' (1891) because [ 567.705420] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 567.705420] Free memory is -13600kB above reserved [ 567.705443] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 567.705443] to free 76kB on behalf of 'syz-executor.5' (3004) because [ 567.705443] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 567.705443] Free memory is -13600kB above reserved [ 567.939778] syz-execprog: page allocation stalls for 130020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 567.939788] CPU: 0 PID: 2089 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 567.939806] ffff8801ce3f77c0 ffffffff81b42e79 1ffff10039c7eefa ffff8801cee417c0 [ 567.939817] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ce3f7908 [ 567.939828] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 567.939830] Call Trace: [ 567.939847] [] dump_stack+0xc1/0x128 [ 567.939857] [] warn_alloc.cold.31+0x7f/0x9c [ 567.939867] [] ? zone_watermark_ok_safe+0x250/0x250 [ 567.939876] [] ? shrink_node+0x740/0x740 [ 567.939885] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 567.939893] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 567.939903] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 567.939912] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 567.939919] [] ? find_get_entry+0x11a/0x570 [ 567.939926] [] ? find_get_entry+0x141/0x570 [ 567.939934] [] ? page_cache_prev_hole+0x80/0x80 [ 567.939944] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 567.939951] [] ? pagecache_get_page+0x131/0x710 [ 567.939959] [] filemap_fault+0xaf1/0x1110 [ 567.939969] [] ext4_filemap_fault+0x71/0xa0 [ 567.939976] [] __do_fault+0x223/0x500 [ 567.939983] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 567.939992] [] ? generic_file_readonly_mmap+0x190/0x190 [ 567.940007] [] handle_mm_fault+0x1326/0x2350 [ 567.940015] [] ? vm_insert_page+0x6f0/0x6f0 [ 567.940025] [] ? kvm_clock_read+0x23/0x40 [ 567.940033] [] ? kvm_clock_get_cycles+0x9/0x10 [ 567.940042] [] __do_page_fault+0x403/0xa60 [ 567.940051] [] ? __fget_light+0x169/0x1f0 [ 567.940059] [] ? bad_area_access_error+0x3a0/0x3a0 [ 567.940070] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 567.940077] [] do_page_fault+0x27/0x30 [ 567.940085] [] page_fault+0x25/0x30 [ 567.940089] Mem-Info: [ 567.940109] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 567.940109] active_file:0 inactive_file:24 isolated_file:0 [ 567.940109] unevictable:0 dirty:0 writeback:0 unstable:0 [ 567.940109] slab_reclaimable:3910 slab_unreclaimable:58355 [ 567.940109] mapped:4 shmem:48 pagetables:353 bounce:0 [ 567.940109] free:5976 free_pcp:110 free_cma:0 ** 6 printk messages dropped ** [ 567.940275] Normal: 366*4kB (UMEH) 153*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5216kB 73 total pagecache pages [ 567.940280] 0 pages in swap cache [ 567.940285] Swap cache stats: add 0, delete 0, find 0/0 [ 567.940287] Free swap = 0kB [ 567.940289] Total swap = 0kB [ 567.940292] 1965979 pages RAM [ 567.940294] 0 pages HighMem/MovableOnly [ 567.940296] 313617 pages reserved [ 568.452828] rsyslogd: page allocation stalls for 190030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 568.452846] CPU: 0 PID: 1891 Comm: rsyslogd Not tainted 4.9.141+ #23 [ 568.452871] ffff8801d39cf7c0 ffffffff81b42e79 1ffff1003a739efa ffff8801d3cb2f80 [ 568.452889] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d39cf908 [ 568.452899] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 568.452901] Call Trace: [ 568.452972] [] dump_stack+0xc1/0x128 [ 568.452982] [] warn_alloc.cold.31+0x7f/0x9c [ 568.452993] [] ? zone_watermark_ok_safe+0x250/0x250 [ 568.453008] [] ? shrink_node+0x740/0x740 [ 568.453020] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 568.453029] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 568.453039] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 568.453049] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 568.453068] [] ? find_get_entry+0x11a/0x570 [ 568.453076] [] ? find_get_entry+0x141/0x570 [ 568.453083] [] ? page_cache_prev_hole+0x80/0x80 [ 568.453104] [] ? autoremove_wake_function+0x40/0x40 [ 568.453112] [] ? pagecache_get_page+0x131/0x710 [ 568.453120] [] filemap_fault+0xaf1/0x1110 [ 568.453129] [] ext4_filemap_fault+0x71/0xa0 [ 568.453137] [] __do_fault+0x223/0x500 [ 568.453145] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 568.453153] [] ? generic_file_readonly_mmap+0x190/0x190 [ 568.453161] [] handle_mm_fault+0x1326/0x2350 [ 568.453168] [] ? vm_insert_page+0x6f0/0x6f0 [ 568.453176] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 568.453187] [] __do_page_fault+0x403/0xa60 [ 568.453198] [] ? bad_area_access_error+0x3a0/0x3a0 [ 568.453210] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 568.453220] [] do_page_fault+0x27/0x30 [ 568.453229] [] page_fault+0x25/0x30 [ 568.453234] Mem-Info: [ 568.453262] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 568.453262] active_file:0 inactive_file:24 isolated_file:0 [ 568.453262] unevictable:0 dirty:0 writeback:0 unstable:0 [ 568.453262] slab_reclaimable:3910 slab_unreclaimable:58355 [ 568.453262] mapped:4 shmem:48 pagetables:353 bounce:0 [ 568.453262] free:5976 free_pcp:110 free_cma:0 [ 568.453282] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 568.453308] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 568.453339] Normal free:5216kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233148kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 568.453407] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 366*4kB (UMEH) 153*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5216kB 73 total pagecache pages [ 568.453460] 0 pages in swap cache [ 568.453465] Swap cache stats: add 0, delete 0, find 0/0 [ 568.453467] Free swap = 0kB [ 568.453469] Total swap = 0kB [ 568.453472] 1965979 pages RAM [ 568.453474] 0 pages HighMem/MovableOnly [ 568.453477] 313617 pages reserved [ 568.513511] syz-executor.2: page allocation stalls for 190060ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 568.513529] CPU: 1 PID: 2105 Comm: syz-executor.2 Not tainted 4.9.141+ #23 [ 568.513569] ffff8801cc9af7c0 ffffffff81b42e79 1ffff10039935efa ffff8801cc9f0000 [ 568.513580] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cc9af908 [ 568.513591] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 568.513593] Call Trace: [ 568.513622] [] dump_stack+0xc1/0x128 [ 568.513634] [] warn_alloc.cold.31+0x7f/0x9c [ 568.513645] [] ? zone_watermark_ok_safe+0x250/0x250 [ 568.513655] [] ? shrink_node+0x740/0x740 [ 568.513664] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 568.513672] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 568.513687] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 568.513696] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 568.513704] [] ? find_get_entry+0x11a/0x570 [ 568.513719] [] ? find_get_entry+0x141/0x570 [ 568.513727] [] ? page_cache_prev_hole+0x80/0x80 [ 568.513735] [] ? pagecache_get_page+0x131/0x710 [ 568.513744] [] filemap_fault+0xaf1/0x1110 [ 568.513753] [] ext4_filemap_fault+0x71/0xa0 [ 568.513761] [] __do_fault+0x223/0x500 [ 568.513768] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 568.513777] [] ? generic_file_readonly_mmap+0x190/0x190 [ 568.513784] [] handle_mm_fault+0x1326/0x2350 [ 568.513793] [] ? vm_insert_page+0x6f0/0x6f0 [ 568.513803] [] ? compat_SyS_wait4+0x1e9/0x290 [ 568.513811] [] ? put_compat_rusage+0x550/0x550 [ 568.513821] [] __do_page_fault+0x403/0xa60 [ 568.513830] [] ? bad_area_access_error+0x3a0/0x3a0 [ 568.513840] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 568.513847] [] do_page_fault+0x27/0x30 [ 568.513856] [] page_fault+0x25/0x30 [ 568.513871] Mem-Info: [ 568.513900] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 568.513900] active_file:0 inactive_file:24 isolated_file:0 [ 568.513900] unevictable:0 dirty:0 writeback:0 unstable:0 [ 568.513900] slab_reclaimable:3910 slab_unreclaimable:58355 [ 568.513900] mapped:4 shmem:48 pagetables:353 bounce:0 [ 568.513900] free:5976 free_pcp:110 free_cma:0 [ 568.513917] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 568.513941] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 568.513970] Normal free:5216kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233148kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 568.514031] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 366*4kB (UMEH) 153*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5216kB 73 total pagecache pages [ 568.514082] 0 pages in swap cache [ 568.514086] Swap cache stats: add 0, delete 0, find 0/0 [ 568.514088] Free swap = 0kB [ 568.514091] Total swap = 0kB [ 568.514093] 1965979 pages RAM [ 568.514096] 0 pages HighMem/MovableOnly [ 568.514098] 313617 pages reserved [ 568.692512] syz-execprog: page allocation stalls for 190040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 568.692521] CPU: 1 PID: 2090 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 568.692538] ffff8801ce3ff7c0 ffffffff81b42e79 1ffff10039c7fefa ffff8801cef2af80 [ 568.692549] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ce3ff908 [ 568.692559] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 568.692561] Call Trace: [ 568.692580] [] dump_stack+0xc1/0x128 [ 568.692590] [] warn_alloc.cold.31+0x7f/0x9c [ 568.692600] [] ? zone_watermark_ok_safe+0x250/0x250 [ 568.692609] [] ? shrink_node+0x740/0x740 [ 568.692618] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 568.692626] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 568.692635] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 568.692644] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 568.692652] [] ? find_get_entry+0x11a/0x570 [ 568.692660] [] ? find_get_entry+0x141/0x570 [ 568.692667] [] ? page_cache_prev_hole+0x80/0x80 [ 568.692677] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 568.692684] [] ? pagecache_get_page+0x131/0x710 [ 568.692692] [] filemap_fault+0xaf1/0x1110 [ 568.692701] [] ext4_filemap_fault+0x71/0xa0 [ 568.692709] [] __do_fault+0x223/0x500 [ 568.692716] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 568.692725] [] ? generic_file_readonly_mmap+0x190/0x190 ** 2 printk messages dropped ** [ 568.692750] [] ? kvm_clock_read+0x23/0x40 ** 44 printk messages dropped ** [ 568.885125] [] ext4_filemap_fault+0x71/0xa0 [ 568.885132] [] __do_fault+0x223/0x500 [ 568.885139] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 568.885148] [] ? generic_file_readonly_mmap+0x190/0x190 [ 568.885156] [] handle_mm_fault+0x1326/0x2350 ** 44 printk messages dropped ** [ 569.427896] [] ext4_filemap_fault+0x71/0xa0 [ 569.427904] [] __do_fault+0x223/0x500 [ 569.427911] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 569.427920] [] ? generic_file_readonly_mmap+0x190/0x190 [ 569.427928] [] handle_mm_fault+0x1326/0x2350 ** 33 printk messages dropped ** [ 572.180466] Call Trace: [ 572.180485] [] dump_stack+0xc1/0x128 [ 572.180495] [] warn_alloc.cold.31+0x7f/0x9c [ 572.180512] [] ? zone_watermark_ok_safe+0x250/0x250 [ 572.180521] [] ? shrink_node+0x740/0x740 [ 572.180530] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 572.180540] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 572.180549] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 572.180558] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 572.180566] [] ? find_get_entry+0x11a/0x570 ** 37 printk messages dropped ** [ 573.765465] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 573.765465] to free 76kB on behalf of 'syz-execprog' (2089) because [ 573.765465] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 573.765465] Free memory is -13600kB above reserved [ 574.775411] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 574.775411] to free 76kB on behalf of 'syz-executor.1' (2998) because [ 574.775411] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 574.775411] Free memory is -13600kB above reserved [ 575.785462] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 575.785462] to free 76kB on behalf of 'cron' (1943) because [ 575.785462] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 575.785462] Free memory is -13600kB above reserved [ 575.785474] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 575.785474] to free 76kB on behalf of 'syz-executor.0' (3014) because [ 575.785474] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 575.785474] Free memory is -13600kB above reserved [ 576.795466] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 576.795466] to free 76kB on behalf of 'syz-executor.5' (3004) because [ 576.795466] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 576.795466] Free memory is -13600kB above reserved [ 576.795478] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 576.795478] to free 76kB on behalf of 'syz-executor.4' (3015) because [ 576.795478] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 576.795478] Free memory is -13600kB above reserved [ 577.805497] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 577.805497] to free 76kB on behalf of 'syz-executor.2' (2105) because [ 577.805497] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 577.805497] Free memory is -13600kB above reserved [ 577.933742] syz-execprog: page allocation stalls for 140010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 577.933752] CPU: 0 PID: 2089 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 577.933771] ffff8801ce3f77c0 ffffffff81b42e79 1ffff10039c7eefa ffff8801cee417c0 [ 577.933781] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ce3f7908 [ 577.933792] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 577.933794] Call Trace: [ 577.933810] [] dump_stack+0xc1/0x128 [ 577.933821] [] warn_alloc.cold.31+0x7f/0x9c [ 577.933830] [] ? zone_watermark_ok_safe+0x250/0x250 [ 577.933839] [] ? shrink_node+0x740/0x740 [ 577.933849] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 577.933857] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 577.933866] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 577.933875] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 577.933883] [] ? find_get_entry+0x11a/0x570 [ 577.933890] [] ? find_get_entry+0x141/0x570 [ 577.933897] [] ? page_cache_prev_hole+0x80/0x80 [ 577.933907] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 577.933915] [] ? pagecache_get_page+0x131/0x710 [ 577.933922] [] filemap_fault+0xaf1/0x1110 [ 577.933932] [] ext4_filemap_fault+0x71/0xa0 [ 577.933939] [] __do_fault+0x223/0x500 [ 577.933946] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 577.933955] [] ? generic_file_readonly_mmap+0x190/0x190 [ 577.933963] [] handle_mm_fault+0x1326/0x2350 [ 577.933970] [] ? vm_insert_page+0x6f0/0x6f0 [ 577.933980] [] ? kvm_clock_read+0x23/0x40 [ 577.933987] [] ? kvm_clock_get_cycles+0x9/0x10 [ 577.934004] [] __do_page_fault+0x403/0xa60 [ 577.934014] [] ? __fget_light+0x169/0x1f0 [ 577.934021] [] ? bad_area_access_error+0x3a0/0x3a0 [ 577.934032] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 577.934039] [] do_page_fault+0x27/0x30 [ 577.934047] [] page_fault+0x25/0x30 ** 6 printk messages dropped ** [ 577.934141] lowmem_reserve[]: 0 0 0 [ 577.934193] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 366*4kB (UMEH) 153*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5216kB 73 total pagecache pages [ 577.934241] 0 pages in swap cache [ 577.934246] Swap cache stats: add 0, delete 0, find 0/0 [ 577.934248] Free swap = 0kB [ 577.934250] Total swap = 0kB [ 577.934252] 1965979 pages RAM [ 577.934255] 0 pages HighMem/MovableOnly [ 577.934257] 313617 pages reserved [ 578.471742] rsyslogd: page allocation stalls for 200050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 578.471753] CPU: 0 PID: 1891 Comm: rsyslogd Not tainted 4.9.141+ #23 [ 578.471770] ffff8801d39cf7c0 ffffffff81b42e79 1ffff1003a739efa ffff8801d3cb2f80 [ 578.471781] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d39cf908 [ 578.471792] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 578.471794] Call Trace: [ 578.471813] [] dump_stack+0xc1/0x128 [ 578.471824] [] warn_alloc.cold.31+0x7f/0x9c [ 578.471834] [] ? zone_watermark_ok_safe+0x250/0x250 [ 578.471843] [] ? shrink_node+0x740/0x740 [ 578.471852] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 578.471861] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 578.471870] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 578.471879] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 578.471886] [] ? find_get_entry+0x11a/0x570 [ 578.471894] [] ? find_get_entry+0x141/0x570 [ 578.471901] [] ? page_cache_prev_hole+0x80/0x80 [ 578.471910] [] ? autoremove_wake_function+0x40/0x40 [ 578.471918] [] ? pagecache_get_page+0x131/0x710 [ 578.471926] [] filemap_fault+0xaf1/0x1110 [ 578.471935] [] ext4_filemap_fault+0x71/0xa0 [ 578.471942] [] __do_fault+0x223/0x500 [ 578.471949] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 578.471958] [] ? generic_file_readonly_mmap+0x190/0x190 [ 578.471966] [] handle_mm_fault+0x1326/0x2350 [ 578.471973] [] ? vm_insert_page+0x6f0/0x6f0 [ 578.471981] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 578.471990] [] __do_page_fault+0x403/0xa60 [ 578.472006] [] ? bad_area_access_error+0x3a0/0x3a0 [ 578.472017] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 578.472024] [] do_page_fault+0x27/0x30 [ 578.472033] [] page_fault+0x25/0x30 [ 578.472036] Mem-Info: [ 578.472056] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 578.472056] active_file:0 inactive_file:24 isolated_file:0 [ 578.472056] unevictable:0 dirty:0 writeback:0 unstable:0 [ 578.472056] slab_reclaimable:3910 slab_unreclaimable:58355 [ 578.472056] mapped:4 shmem:48 pagetables:353 bounce:0 [ 578.472056] free:5976 free_pcp:110 free_cma:0 [ 578.472070] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 578.472090] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 578.472119] Normal free:5216kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233148kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 578.472179] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 366*4kB (UMEH) 153*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5216kB 73 total pagecache pages [ 578.472227] 0 pages in swap cache [ 578.472231] Swap cache stats: add 0, delete 0, find 0/0 [ 578.472234] Free swap = 0kB [ 578.472236] Total swap = 0kB [ 578.472238] 1965979 pages RAM [ 578.472241] 0 pages HighMem/MovableOnly [ 578.472243] 313617 pages reserved [ 578.486451] syz-executor.2: page allocation stalls for 200040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 578.486461] CPU: 0 PID: 2105 Comm: syz-executor.2 Not tainted 4.9.141+ #23 [ 578.486477] ffff8801cc9af7c0 ffffffff81b42e79 1ffff10039935efa ffff8801cc9f0000 [ 578.486488] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cc9af908 [ 578.486498] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 578.486500] Call Trace: [ 578.486517] [] dump_stack+0xc1/0x128 [ 578.486527] [] warn_alloc.cold.31+0x7f/0x9c [ 578.486537] [] ? zone_watermark_ok_safe+0x250/0x250 [ 578.486545] [] ? shrink_node+0x740/0x740 [ 578.486555] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 578.486563] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 578.486572] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 578.486581] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 578.486588] [] ? find_get_entry+0x11a/0x570 [ 578.486596] [] ? find_get_entry+0x141/0x570 [ 578.486603] [] ? page_cache_prev_hole+0x80/0x80 [ 578.486611] [] ? pagecache_get_page+0x131/0x710 [ 578.486619] [] filemap_fault+0xaf1/0x1110 [ 578.486628] [] ext4_filemap_fault+0x71/0xa0 [ 578.486636] [] __do_fault+0x223/0x500 [ 578.486643] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 578.486651] [] ? generic_file_readonly_mmap+0x190/0x190 [ 578.486659] [] handle_mm_fault+0x1326/0x2350 [ 578.486667] [] ? vm_insert_page+0x6f0/0x6f0 [ 578.486676] [] ? compat_SyS_wait4+0x1e9/0x290 [ 578.486684] [] ? put_compat_rusage+0x550/0x550 [ 578.486694] [] __do_page_fault+0x403/0xa60 [ 578.486702] [] ? bad_area_access_error+0x3a0/0x3a0 [ 578.486712] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 578.486719] [] do_page_fault+0x27/0x30 [ 578.486728] [] page_fault+0x25/0x30 [ 578.486732] Mem-Info: [ 578.486750] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 578.486750] active_file:0 inactive_file:24 isolated_file:0 [ 578.486750] unevictable:0 dirty:0 writeback:0 unstable:0 [ 578.486750] slab_reclaimable:3910 slab_unreclaimable:58355 [ 578.486750] mapped:4 shmem:48 pagetables:353 bounce:0 [ 578.486750] free:5976 free_pcp:110 free_cma:0 [ 578.486765] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 578.486785] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 578.486813] Normal free:5216kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233148kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 578.486874] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 366*4kB (UMEH) 153*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5216kB 73 total pagecache pages [ 578.486921] 0 pages in swap cache [ 578.486925] Swap cache stats: add 0, delete 0, find 0/0 [ 578.486928] Free swap = 0kB [ 578.486930] Total swap = 0kB [ 578.486932] 1965979 pages RAM [ 578.486935] 0 pages HighMem/MovableOnly [ 578.486937] 313617 pages reserved [ 578.694122] syz-execprog: page allocation stalls for 200040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 578.694133] CPU: 1 PID: 2090 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 578.694150] ffff8801ce3ff7c0 ffffffff81b42e79 1ffff10039c7fefa ffff8801cef2af80 [ 578.694161] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ce3ff908 [ 578.694172] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 578.694174] Call Trace: [ 578.694191] [] dump_stack+0xc1/0x128 [ 578.694201] [] warn_alloc.cold.31+0x7f/0x9c [ 578.694211] [] ? zone_watermark_ok_safe+0x250/0x250 [ 578.694220] [] ? shrink_node+0x740/0x740 ** 50 printk messages dropped ** [ 578.873208] [] ? zone_watermark_ok_safe+0x250/0x250 [ 578.873217] [] ? shrink_node+0x740/0x740 [ 578.873227] [] __alloc_pages_nodemask+0x1566/0x1bd0 ** 47 printk messages dropped ** [ 579.450958] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 579.450966] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 579.450975] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 579.450984] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 579.450992] [] ? find_get_entry+0x11a/0x570 ** 37 printk messages dropped ** [ 581.845446] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 581.845446] to free 76kB on behalf of 'syz-executor.4' (3015) because [ 581.845446] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 581.845446] Free memory is -13600kB above reserved [ 582.194187] init: page allocation stalls for 200020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) ** 1 printk messages dropped ** [ 582.194215] ffff8801da6077c0 ffffffff81b42e79 1ffff1003b4c0efa ffff8801da5f8000 [ 582.194226] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 582.194237] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 ** 45 printk messages dropped ** [ 582.855442] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 582.855442] to free 76kB on behalf of 'syz-executor.3' (3013) because [ 582.855442] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 582.855442] Free memory is -13600kB above reserved [ 583.865384] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 583.865384] to free 76kB on behalf of 'syz-executor.5' (3004) because [ 583.865384] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 583.865384] Free memory is -13600kB above reserved [ 584.875436] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 584.875436] to free 76kB on behalf of 'syz-executor.3' (3013) because [ 584.875436] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 584.875436] Free memory is -13600kB above reserved [ 584.875448] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 584.875448] to free 76kB on behalf of 'syz-execprog' (2090) because [ 584.875448] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 584.875448] Free memory is -13600kB above reserved [ 585.885449] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 585.885449] to free 76kB on behalf of 'syz-executor.4' (3015) because [ 585.885449] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 585.885449] Free memory is -13600kB above reserved [ 585.885461] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 585.885461] to free 76kB on behalf of 'syz-executor.0' (3014) because [ 585.885461] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 585.885461] Free memory is -13600kB above reserved [ 586.895390] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 586.895390] to free 76kB on behalf of 'syz-execprog' (2090) because [ 586.895390] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 586.895390] Free memory is -13600kB above reserved [ 587.905412] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 587.905412] to free 76kB on behalf of 'syz-execprog' (2089) because [ 587.905412] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 587.905412] Free memory is -13600kB above reserved [ 587.905423] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 587.905423] to free 76kB on behalf of 'syz-executor.2' (2105) because [ 587.905423] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 587.905423] Free memory is -13600kB above reserved [ 587.942523] syz-execprog: page allocation stalls for 150020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 587.942534] CPU: 1 PID: 2089 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 587.942552] ffff8801ce3f77c0 ffffffff81b42e79 1ffff10039c7eefa ffff8801cee417c0 [ 587.942562] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ce3f7908 [ 587.942573] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 587.942575] Call Trace: [ 587.942592] [] dump_stack+0xc1/0x128 [ 587.942602] [] warn_alloc.cold.31+0x7f/0x9c [ 587.942612] [] ? zone_watermark_ok_safe+0x250/0x250 [ 587.942621] [] ? shrink_node+0x740/0x740 [ 587.942631] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 587.942639] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 587.942649] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 587.942657] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 587.942665] [] ? find_get_entry+0x11a/0x570 [ 587.942673] [] ? find_get_entry+0x141/0x570 [ 587.942680] [] ? page_cache_prev_hole+0x80/0x80 [ 587.942690] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 587.942697] [] ? pagecache_get_page+0x131/0x710 [ 587.942705] [] filemap_fault+0xaf1/0x1110 [ 587.942715] [] ext4_filemap_fault+0x71/0xa0 [ 587.942722] [] __do_fault+0x223/0x500 [ 587.942730] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 587.942738] [] ? generic_file_readonly_mmap+0x190/0x190 [ 587.942746] [] handle_mm_fault+0x1326/0x2350 [ 587.942754] [] ? vm_insert_page+0x6f0/0x6f0 [ 587.942764] [] ? kvm_clock_read+0x23/0x40 [ 587.942772] [] ? kvm_clock_get_cycles+0x9/0x10 [ 587.942781] [] __do_page_fault+0x403/0xa60 [ 587.942790] [] ? __fget_light+0x169/0x1f0 [ 587.942798] [] ? bad_area_access_error+0x3a0/0x3a0 ** 5 printk messages dropped ** [ 587.942863] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 ** 1 printk messages dropped ** [ 587.942892] lowmem_reserve[]: 0 3505 3505 [ 587.942911] Normal free:5216kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233148kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 587.942972] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 366*4kB (UMEH) 153*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5216kB 73 total pagecache pages [ 587.943020] 0 pages in swap cache [ 587.943024] Swap cache stats: add 0, delete 0, find 0/0 [ 587.943026] Free swap = 0kB [ 587.943029] Total swap = 0kB [ 587.943031] 1965979 pages RAM [ 587.943034] 0 pages HighMem/MovableOnly [ 587.943036] 313617 pages reserved [ 588.467216] rsyslogd: page allocation stalls for 210050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 588.467227] CPU: 0 PID: 1891 Comm: rsyslogd Not tainted 4.9.141+ #23 [ 588.467245] ffff8801d39cf7c0 ffffffff81b42e79 1ffff1003a739efa ffff8801d3cb2f80 [ 588.467256] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d39cf908 [ 588.467267] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 588.467269] Call Trace: [ 588.467286] [] dump_stack+0xc1/0x128 [ 588.467296] [] warn_alloc.cold.31+0x7f/0x9c [ 588.467306] [] ? zone_watermark_ok_safe+0x250/0x250 [ 588.467316] [] ? shrink_node+0x740/0x740 [ 588.467325] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 588.467333] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 588.467343] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 588.467352] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 588.467359] [] ? find_get_entry+0x11a/0x570 [ 588.467367] [] ? find_get_entry+0x141/0x570 [ 588.467374] [] ? page_cache_prev_hole+0x80/0x80 [ 588.467383] [] ? autoremove_wake_function+0x40/0x40 [ 588.467390] [] ? pagecache_get_page+0x131/0x710 [ 588.467398] [] filemap_fault+0xaf1/0x1110 [ 588.467408] [] ext4_filemap_fault+0x71/0xa0 [ 588.467415] [] __do_fault+0x223/0x500 [ 588.467422] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 588.467431] [] ? generic_file_readonly_mmap+0x190/0x190 [ 588.467438] [] handle_mm_fault+0x1326/0x2350 [ 588.467446] [] ? vm_insert_page+0x6f0/0x6f0 [ 588.467454] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 588.467463] [] __do_page_fault+0x403/0xa60 [ 588.467471] [] ? bad_area_access_error+0x3a0/0x3a0 [ 588.467482] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 588.467489] [] do_page_fault+0x27/0x30 [ 588.467497] [] page_fault+0x25/0x30 [ 588.467501] Mem-Info: [ 588.467520] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 588.467520] active_file:0 inactive_file:24 isolated_file:0 [ 588.467520] unevictable:0 dirty:0 writeback:0 unstable:0 [ 588.467520] slab_reclaimable:3910 slab_unreclaimable:58355 [ 588.467520] mapped:4 shmem:48 pagetables:353 bounce:0 [ 588.467520] free:5976 free_pcp:110 free_cma:0 [ 588.467534] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 588.467554] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 588.467582] Normal free:5216kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233148kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 588.467643] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 366*4kB (UMEH) 153*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5216kB 73 total pagecache pages [ 588.467690] 0 pages in swap cache [ 588.467695] Swap cache stats: add 0, delete 0, find 0/0 [ 588.467697] Free swap = 0kB [ 588.467699] Total swap = 0kB [ 588.467702] 1965979 pages RAM [ 588.467704] 0 pages HighMem/MovableOnly [ 588.467707] 313617 pages reserved [ 588.482848] syz-executor.2: page allocation stalls for 210030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 588.482857] CPU: 0 PID: 2105 Comm: syz-executor.2 Not tainted 4.9.141+ #23 [ 588.482873] ffff8801cc9af7c0 ffffffff81b42e79 1ffff10039935efa ffff8801cc9f0000 [ 588.482884] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cc9af908 [ 588.482894] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 588.482896] Call Trace: [ 588.482912] [] dump_stack+0xc1/0x128 [ 588.482922] [] warn_alloc.cold.31+0x7f/0x9c [ 588.482933] [] ? zone_watermark_ok_safe+0x250/0x250 [ 588.482942] [] ? shrink_node+0x740/0x740 [ 588.482952] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 588.482960] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 588.482969] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 588.482978] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 588.482985] [] ? find_get_entry+0x11a/0x570 [ 588.482993] [] ? find_get_entry+0x141/0x570 [ 588.483007] [] ? page_cache_prev_hole+0x80/0x80 [ 588.483015] [] ? pagecache_get_page+0x131/0x710 [ 588.483023] [] filemap_fault+0xaf1/0x1110 [ 588.483032] [] ext4_filemap_fault+0x71/0xa0 [ 588.483040] [] __do_fault+0x223/0x500 [ 588.483047] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 588.483055] [] ? generic_file_readonly_mmap+0x190/0x190 [ 588.483063] [] handle_mm_fault+0x1326/0x2350 [ 588.483071] [] ? vm_insert_page+0x6f0/0x6f0 [ 588.483080] [] ? compat_SyS_wait4+0x1e9/0x290 [ 588.483088] [] ? put_compat_rusage+0x550/0x550 [ 588.483098] [] __do_page_fault+0x403/0xa60 [ 588.483106] [] ? bad_area_access_error+0x3a0/0x3a0 [ 588.483116] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 588.483123] [] do_page_fault+0x27/0x30 [ 588.483132] [] page_fault+0x25/0x30 [ 588.483136] Mem-Info: [ 588.483155] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 588.483155] active_file:0 inactive_file:24 isolated_file:0 [ 588.483155] unevictable:0 dirty:0 writeback:0 unstable:0 [ 588.483155] slab_reclaimable:3910 slab_unreclaimable:58355 [ 588.483155] mapped:4 shmem:48 pagetables:353 bounce:0 [ 588.483155] free:5976 free_pcp:110 free_cma:0 [ 588.483169] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 588.483189] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 588.483218] Normal free:5216kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233148kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 588.483278] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 366*4kB (UMEH) 153*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5216kB 73 total pagecache pages [ 588.483326] 0 pages in swap cache [ 588.483330] Swap cache stats: add 0, delete 0, find 0/0 [ 588.483332] Free swap = 0kB [ 588.483335] Total swap = 0kB [ 588.483337] 1965979 pages RAM [ 588.483339] 0 pages HighMem/MovableOnly [ 588.483342] 313617 pages reserved [ 588.663245] syz-execprog: page allocation stalls for 210010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) ** 14 printk messages dropped ** [ 588.663396] [] ? find_get_entry+0x141/0x570 ** 48 printk messages dropped ** [ 588.864283] [] ? find_get_entry+0x11a/0x570 [ 588.864291] [] ? find_get_entry+0x141/0x570 [ 588.864298] [] ? page_cache_prev_hole+0x80/0x80 [ 588.864305] [] ? pagecache_get_page+0x131/0x710 ** 41 printk messages dropped ** [ 589.437518] [] ? shrink_node+0x740/0x740 [ 589.437527] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 589.437535] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 589.437544] [] ? gfp_pfmemalloc_allowed+0x110/0x110 ** 39 printk messages dropped ** [ 592.255828] init: page allocation stalls for 210090ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 592.255838] CPU: 1 PID: 1 Comm: init Not tainted 4.9.141+ #23 [ 592.255856] ffff8801da6077c0 ffffffff81b42e79 1ffff1003b4c0efa ffff8801da5f8000 [ 592.255867] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607908 [ 592.255878] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 592.255880] Call Trace: [ 592.255898] [] dump_stack+0xc1/0x128 [ 592.255908] [] warn_alloc.cold.31+0x7f/0x9c [ 592.255918] [] ? zone_watermark_ok_safe+0x250/0x250 [ 592.255927] [] ? shrink_node+0x740/0x740 [ 592.255937] [] __alloc_pages_nodemask+0x1566/0x1bd0 ** 40 printk messages dropped ** [ 593.965439] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 593.965439] to free 76kB on behalf of 'rsyslogd' (1891) because [ 593.965439] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 593.965439] Free memory is -13600kB above reserved [ 594.975417] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 594.975417] to free 76kB on behalf of 'syz-executor.0' (3014) because [ 594.975417] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 594.975417] Free memory is -13600kB above reserved [ 594.975437] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 594.975437] to free 76kB on behalf of 'syz-executor.3' (3013) because [ 594.975437] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 594.975437] Free memory is -13600kB above reserved [ 595.985451] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 595.985451] to free 76kB on behalf of 'syz-execprog' (2090) because [ 595.985451] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 595.985451] Free memory is -13600kB above reserved [ 595.985463] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 595.985463] to free 76kB on behalf of 'rs:main Q:Reg' (1889) because [ 595.985463] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 595.985463] Free memory is -13600kB above reserved [ 596.995396] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 596.995396] to free 76kB on behalf of 'rs:main Q:Reg' (1889) because [ 596.995396] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 596.995396] Free memory is -13600kB above reserved [ 598.005421] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 598.005421] to free 76kB on behalf of 'syz-execprog' (2089) because [ 598.005421] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 598.005421] Free memory is -13600kB above reserved [ 598.005432] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 598.005432] to free 76kB on behalf of 'init' (1) because [ 598.005432] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 598.005432] Free memory is -13600kB above reserved [ 598.006735] syz-execprog: page allocation stalls for 160090ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 598.006745] CPU: 0 PID: 2089 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 598.006764] ffff8801ce3f77c0 ffffffff81b42e79 1ffff10039c7eefa ffff8801cee417c0 [ 598.006775] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ce3f7908 [ 598.006786] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 598.006788] Call Trace: [ 598.006805] [] dump_stack+0xc1/0x128 [ 598.006815] [] warn_alloc.cold.31+0x7f/0x9c [ 598.006825] [] ? zone_watermark_ok_safe+0x250/0x250 [ 598.006834] [] ? shrink_node+0x740/0x740 [ 598.006843] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 598.006852] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 598.006861] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 598.006870] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 598.006878] [] ? find_get_entry+0x11a/0x570 [ 598.006885] [] ? find_get_entry+0x141/0x570 [ 598.006893] [] ? page_cache_prev_hole+0x80/0x80 [ 598.006902] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 598.006909] [] ? pagecache_get_page+0x131/0x710 [ 598.006917] [] filemap_fault+0xaf1/0x1110 [ 598.006927] [] ext4_filemap_fault+0x71/0xa0 [ 598.006934] [] __do_fault+0x223/0x500 [ 598.006942] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 598.006950] [] ? generic_file_readonly_mmap+0x190/0x190 [ 598.006958] [] handle_mm_fault+0x1326/0x2350 [ 598.006966] [] ? vm_insert_page+0x6f0/0x6f0 [ 598.006975] [] ? kvm_clock_read+0x23/0x40 [ 598.006983] [] ? kvm_clock_get_cycles+0x9/0x10 [ 598.006999] [] __do_page_fault+0x403/0xa60 [ 598.007009] [] ? __fget_light+0x169/0x1f0 [ 598.007017] [] ? bad_area_access_error+0x3a0/0x3a0 [ 598.007027] [] ? trace_hardirqs_off_thunk+0x1a/0x1c ** 5 printk messages dropped ** [ 598.007099] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 598.007128] Normal free:5216kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233148kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 598.007188] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 366*4kB (UMEH) 153*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5216kB 73 total pagecache pages [ 598.007236] 0 pages in swap cache [ 598.007241] Swap cache stats: add 0, delete 0, find 0/0 [ 598.007243] Free swap = 0kB [ 598.007245] Total swap = 0kB [ 598.007247] 1965979 pages RAM [ 598.007250] 0 pages HighMem/MovableOnly [ 598.007252] 313617 pages reserved [ 598.464720] syz-executor.2: page allocation stalls for 220010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 598.464731] CPU: 1 PID: 2105 Comm: syz-executor.2 Not tainted 4.9.141+ #23 [ 598.464749] ffff8801cc9af7c0 ffffffff81b42e79 1ffff10039935efa ffff8801cc9f0000 [ 598.464760] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cc9af908 [ 598.464770] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 598.464773] Call Trace: [ 598.464790] [] dump_stack+0xc1/0x128 [ 598.464799] [] warn_alloc.cold.31+0x7f/0x9c [ 598.464810] [] ? zone_watermark_ok_safe+0x250/0x250 [ 598.464819] [] ? shrink_node+0x740/0x740 [ 598.464828] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 598.464836] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 598.464845] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 598.464854] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 598.464862] [] ? find_get_entry+0x11a/0x570 [ 598.464870] [] ? find_get_entry+0x141/0x570 [ 598.464877] [] ? page_cache_prev_hole+0x80/0x80 [ 598.464885] [] ? pagecache_get_page+0x131/0x710 [ 598.464893] [] filemap_fault+0xaf1/0x1110 [ 598.464902] [] ext4_filemap_fault+0x71/0xa0 [ 598.464910] [] __do_fault+0x223/0x500 [ 598.464917] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 598.464926] [] ? generic_file_readonly_mmap+0x190/0x190 [ 598.464933] [] handle_mm_fault+0x1326/0x2350 [ 598.464941] [] ? vm_insert_page+0x6f0/0x6f0 [ 598.464951] [] ? compat_SyS_wait4+0x1e9/0x290 [ 598.464959] [] ? put_compat_rusage+0x550/0x550 [ 598.464968] [] __do_page_fault+0x403/0xa60 [ 598.464976] [] ? bad_area_access_error+0x3a0/0x3a0 [ 598.464987] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 598.464994] [] do_page_fault+0x27/0x30 [ 598.465002] [] page_fault+0x25/0x30 [ 598.465006] Mem-Info: [ 598.465025] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 598.465025] active_file:0 inactive_file:24 isolated_file:0 [ 598.465025] unevictable:0 dirty:0 writeback:0 unstable:0 [ 598.465025] slab_reclaimable:3910 slab_unreclaimable:58355 [ 598.465025] mapped:4 shmem:48 pagetables:353 bounce:0 [ 598.465025] free:5976 free_pcp:110 free_cma:0 [ 598.465039] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 598.465059] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 598.465088] Normal free:5216kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233148kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 598.465149] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 366*4kB (UMEH) 153*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5216kB 73 total pagecache pages [ 598.465197] 0 pages in swap cache [ 598.465202] Swap cache stats: add 0, delete 0, find 0/0 [ 598.465204] Free swap = 0kB [ 598.465206] Total swap = 0kB [ 598.465209] 1965979 pages RAM [ 598.465211] 0 pages HighMem/MovableOnly [ 598.465213] 313617 pages reserved [ 598.512917] rsyslogd: page allocation stalls for 220090ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 598.512927] CPU: 0 PID: 1891 Comm: rsyslogd Not tainted 4.9.141+ #23 [ 598.512945] ffff8801d39cf7c0 ffffffff81b42e79 1ffff1003a739efa ffff8801d3cb2f80 [ 598.512955] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d39cf908 [ 598.512966] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 598.512968] Call Trace: [ 598.512986] [] dump_stack+0xc1/0x128 [ 598.513003] [] warn_alloc.cold.31+0x7f/0x9c [ 598.513014] [] ? zone_watermark_ok_safe+0x250/0x250 [ 598.513023] [] ? shrink_node+0x740/0x740 [ 598.513033] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 598.513041] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 598.513050] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 598.513059] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 598.513067] [] ? find_get_entry+0x11a/0x570 [ 598.513074] [] ? find_get_entry+0x141/0x570 [ 598.513082] [] ? page_cache_prev_hole+0x80/0x80 [ 598.513090] [] ? autoremove_wake_function+0x40/0x40 [ 598.513098] [] ? pagecache_get_page+0x131/0x710 [ 598.513106] [] filemap_fault+0xaf1/0x1110 [ 598.513115] [] ext4_filemap_fault+0x71/0xa0 [ 598.513123] [] __do_fault+0x223/0x500 [ 598.513130] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 598.513138] [] ? generic_file_readonly_mmap+0x190/0x190 [ 598.513146] [] handle_mm_fault+0x1326/0x2350 [ 598.513153] [] ? vm_insert_page+0x6f0/0x6f0 [ 598.513161] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 598.513171] [] __do_page_fault+0x403/0xa60 [ 598.513179] [] ? bad_area_access_error+0x3a0/0x3a0 [ 598.513189] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 598.513196] [] do_page_fault+0x27/0x30 [ 598.513205] [] page_fault+0x25/0x30 [ 598.513209] Mem-Info: [ 598.513228] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 598.513228] active_file:0 inactive_file:24 isolated_file:0 [ 598.513228] unevictable:0 dirty:0 writeback:0 unstable:0 [ 598.513228] slab_reclaimable:3910 slab_unreclaimable:58355 [ 598.513228] mapped:4 shmem:48 pagetables:353 bounce:0 [ 598.513228] free:5976 free_pcp:110 free_cma:0 [ 598.513242] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 598.513263] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 598.513291] Normal free:5216kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233148kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:320kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 598.513352] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 366*4kB (UMEH) 153*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5216kB ** 20 printk messages dropped ** [ 598.662638] [] ? gfp_pfmemalloc_allowed+0x110/0x110 ** 48 printk messages dropped ** [ 598.894836] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 598.894845] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 598.894854] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 598.894862] [] ? find_get_entry+0x11a/0x570 [ 598.894869] [] ? find_get_entry+0x141/0x570 [ 598.894877] [] ? page_cache_prev_hole+0x80/0x80 ** 38 printk messages dropped ** [ 599.471505] Call Trace: [ 599.471523] [] dump_stack+0xc1/0x128 [ 599.471533] [] warn_alloc.cold.31+0x7f/0x9c [ 599.471544] [] ? zone_watermark_ok_safe+0x250/0x250 ** 42 printk messages dropped ** [ 601.035402] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 601.035402] to free 76kB on behalf of 'rs:main Q:Reg' (1889) because [ 601.035402] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 601.035402] Free memory is -13600kB above reserved [ 602.045412] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 602.045412] to free 76kB on behalf of 'rsyslogd' (1891) because [ 602.045412] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 602.045412] Free memory is -13600kB above reserved [ 602.183961] init: page allocation stalls for 220010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 602.183971] CPU: 1 PID: 1 Comm: init Not tainted 4.9.141+ #23 ** 38 printk messages dropped ** [ 602.184432] Normal: 366*4kB (UMEH) 153*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5216kB 73 total pagecache pages [ 602.184437] 0 pages in swap cache [ 602.184441] Swap cache stats: add 0, delete 0, find 0/0 [ 602.184443] Free swap = 0kB [ 602.184446] Total swap = 0kB [ 602.184448] 1965979 pages RAM [ 602.184450] 0 pages HighMem/MovableOnly [ 602.184453] 313617 pages reserved [ 603.055365] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 603.055365] to free 76kB on behalf of 'syz-executor.2' (2105) because [ 603.055365] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 603.055365] Free memory is -13600kB above reserved [ 604.065468] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 604.065468] to free 76kB on behalf of 'syz-executor.0' (3014) because [ 604.065468] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 604.065468] Free memory is -13600kB above reserved [ 605.075481] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 605.075481] to free 76kB on behalf of 'syz-executor.3' (3013) because [ 605.075481] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 605.075481] Free memory is -13600kB above reserved [ 606.085374] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 606.085374] to free 76kB on behalf of 'syz-executor.4' (3015) because [ 606.085374] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 606.085374] Free memory is -13600kB above reserved [ 607.095407] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 607.095407] to free 76kB on behalf of 'syz-execprog' (2089) because [ 607.095407] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 607.095407] Free memory is -13600kB above reserved [ 607.095419] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 607.095419] to free 76kB on behalf of 'syz-executor.4' (3015) because [ 607.095419] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 607.095419] Free memory is -13600kB above reserved [ 607.115363] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 607.115363] to free 76kB on behalf of 'syz-executor.0' (3014) because [ 607.115363] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 607.115363] Free memory is -13600kB above reserved [ 607.973842] syz-execprog: page allocation stalls for 170050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 607.973852] CPU: 0 PID: 2089 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 607.973870] ffff8801ce3f77c0 ffffffff81b42e79 1ffff10039c7eefa ffff8801cee417c0 [ 607.973881] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ce3f7908 [ 607.973891] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 607.973893] Call Trace: [ 607.973910] [] dump_stack+0xc1/0x128 [ 607.973920] [] warn_alloc.cold.31+0x7f/0x9c [ 607.973931] [] ? zone_watermark_ok_safe+0x250/0x250 [ 607.973939] [] ? shrink_node+0x740/0x740 [ 607.973949] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 607.973957] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 607.973967] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 607.973976] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 607.973983] [] ? find_get_entry+0x11a/0x570 [ 607.973998] [] ? find_get_entry+0x141/0x570 [ 607.974006] [] ? page_cache_prev_hole+0x80/0x80 [ 607.974015] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 607.974023] [] ? pagecache_get_page+0x131/0x710 [ 607.974031] [] filemap_fault+0xaf1/0x1110 [ 607.974040] [] ext4_filemap_fault+0x71/0xa0 [ 607.974047] [] __do_fault+0x223/0x500 [ 607.974055] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 607.974063] [] ? generic_file_readonly_mmap+0x190/0x190 [ 607.974071] [] handle_mm_fault+0x1326/0x2350 [ 607.974078] [] ? vm_insert_page+0x6f0/0x6f0 [ 607.974088] [] ? kvm_clock_read+0x23/0x40 [ 607.974096] [] ? kvm_clock_get_cycles+0x9/0x10 ** 9 printk messages dropped ** [ 607.974207] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 607.974235] Normal free:5216kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233152kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:316kB local_pcp:224kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 607.974296] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 366*4kB (UMEH) 153*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5216kB 73 total pagecache pages [ 607.974344] 0 pages in swap cache [ 607.974348] Swap cache stats: add 0, delete 0, find 0/0 [ 607.974351] Free swap = 0kB [ 607.974353] Total swap = 0kB [ 607.974355] 1965979 pages RAM [ 607.974358] 0 pages HighMem/MovableOnly [ 607.974360] 313617 pages reserved [ 608.125402] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 608.125402] to free 76kB on behalf of 'syz-executor.3' (3013) because [ 608.125402] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 608.125402] Free memory is -13600kB above reserved [ 608.125414] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 608.125414] to free 76kB on behalf of 'syz-executor.5' (3004) because [ 608.125414] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 608.125414] Free memory is -13600kB above reserved [ 608.427969] rsyslogd: page allocation stalls for 230010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 608.427979] CPU: 0 PID: 1891 Comm: rsyslogd Not tainted 4.9.141+ #23 [ 608.428002] ffff8801d39cf7c0 ffffffff81b42e79 1ffff1003a739efa ffff8801d3cb2f80 [ 608.428013] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d39cf908 [ 608.428024] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 608.428026] Call Trace: [ 608.428043] [] dump_stack+0xc1/0x128 [ 608.428052] [] warn_alloc.cold.31+0x7f/0x9c [ 608.428062] [] ? zone_watermark_ok_safe+0x250/0x250 [ 608.428071] [] ? shrink_node+0x740/0x740 [ 608.428080] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 608.428089] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 608.428098] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 608.428106] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 608.428114] [] ? find_get_entry+0x11a/0x570 [ 608.428121] [] ? find_get_entry+0x141/0x570 [ 608.428129] [] ? page_cache_prev_hole+0x80/0x80 [ 608.428138] [] ? autoremove_wake_function+0x40/0x40 [ 608.428145] [] ? pagecache_get_page+0x131/0x710 [ 608.428153] [] filemap_fault+0xaf1/0x1110 [ 608.428162] [] ext4_filemap_fault+0x71/0xa0 [ 608.428170] [] __do_fault+0x223/0x500 [ 608.428177] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 608.428185] [] ? generic_file_readonly_mmap+0x190/0x190 [ 608.428193] [] handle_mm_fault+0x1326/0x2350 [ 608.428201] [] ? vm_insert_page+0x6f0/0x6f0 [ 608.428208] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 608.428218] [] __do_page_fault+0x403/0xa60 [ 608.428226] [] ? bad_area_access_error+0x3a0/0x3a0 [ 608.428237] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 608.428244] [] do_page_fault+0x27/0x30 [ 608.428253] [] page_fault+0x25/0x30 [ 608.428257] Mem-Info: [ 608.428276] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 608.428276] active_file:0 inactive_file:24 isolated_file:0 [ 608.428276] unevictable:0 dirty:0 writeback:0 unstable:0 [ 608.428276] slab_reclaimable:3910 slab_unreclaimable:58356 [ 608.428276] mapped:4 shmem:48 pagetables:353 bounce:0 [ 608.428276] free:5976 free_pcp:109 free_cma:0 [ 608.428290] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 608.428310] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 608.428339] Normal free:5216kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233152kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:316kB local_pcp:224kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 608.428399] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 366*4kB (UMEH) 153*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5216kB 73 total pagecache pages [ 608.428447] 0 pages in swap cache [ 608.428452] Swap cache stats: add 0, delete 0, find 0/0 [ 608.428454] Free swap = 0kB [ 608.428456] Total swap = 0kB [ 608.428459] 1965979 pages RAM [ 608.428461] 0 pages HighMem/MovableOnly [ 608.428464] 313617 pages reserved [ 608.499688] syz-executor.2: page allocation stalls for 230050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 608.499698] CPU: 1 PID: 2105 Comm: syz-executor.2 Not tainted 4.9.141+ #23 [ 608.499715] ffff8801cc9af7c0 ffffffff81b42e79 1ffff10039935efa ffff8801cc9f0000 [ 608.499726] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cc9af908 [ 608.499736] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 608.499738] Call Trace: [ 608.499755] [] dump_stack+0xc1/0x128 [ 608.499765] [] warn_alloc.cold.31+0x7f/0x9c [ 608.499775] [] ? zone_watermark_ok_safe+0x250/0x250 [ 608.499784] [] ? shrink_node+0x740/0x740 [ 608.499794] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 608.499802] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 608.499812] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 608.499820] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 608.499828] [] ? find_get_entry+0x11a/0x570 [ 608.499835] [] ? find_get_entry+0x141/0x570 [ 608.499843] [] ? page_cache_prev_hole+0x80/0x80 [ 608.499851] [] ? pagecache_get_page+0x131/0x710 [ 608.499859] [] filemap_fault+0xaf1/0x1110 [ 608.499868] [] ext4_filemap_fault+0x71/0xa0 [ 608.499875] [] __do_fault+0x223/0x500 [ 608.499882] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 608.499891] [] ? generic_file_readonly_mmap+0x190/0x190 [ 608.499899] [] handle_mm_fault+0x1326/0x2350 [ 608.499906] [] ? vm_insert_page+0x6f0/0x6f0 [ 608.499916] [] ? compat_SyS_wait4+0x1e9/0x290 [ 608.499924] [] ? put_compat_rusage+0x550/0x550 [ 608.499934] [] __do_page_fault+0x403/0xa60 [ 608.499942] [] ? bad_area_access_error+0x3a0/0x3a0 [ 608.499952] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 608.499960] [] do_page_fault+0x27/0x30 [ 608.499968] [] page_fault+0x25/0x30 [ 608.499972] Mem-Info: [ 608.499991] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 608.499991] active_file:0 inactive_file:24 isolated_file:0 [ 608.499991] unevictable:0 dirty:0 writeback:0 unstable:0 [ 608.499991] slab_reclaimable:3910 slab_unreclaimable:58356 [ 608.499991] mapped:4 shmem:48 pagetables:353 bounce:0 [ 608.499991] free:5976 free_pcp:109 free_cma:0 [ 608.500006] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 608.500026] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 608.500055] Normal free:5216kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233152kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:316kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 608.500115] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB ** 63 printk messages dropped ** [ 608.910480] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 608.910482] Call Trace: [ 608.910499] [] dump_stack+0xc1/0x128 ** 44 printk messages dropped ** [ 609.474441] ffff8801d39e77c0 ffffffff81b42e79 1ffff1003a73cefa ffff8801d4b74740 [ 609.474451] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d39e7908 [ 609.474463] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 609.474465] Call Trace: [ 609.474504] [] dump_stack+0xc1/0x128 [ 609.474515] [] warn_alloc.cold.31+0x7f/0x9c ** 42 printk messages dropped ** [ 610.145456] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 610.145456] to free 76kB on behalf of 'syz-executor.3' (3013) because [ 610.145456] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 610.145456] Free memory is -13600kB above reserved [ 611.155393] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 611.155393] to free 76kB on behalf of 'syz-executor.4' (3015) because [ 611.155393] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 611.155393] Free memory is -13600kB above reserved [ 612.165435] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 612.165435] to free 76kB on behalf of 'syz-executor.2' (2105) because [ 612.165435] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 612.165435] Free memory is -13600kB above reserved ** 41 printk messages dropped ** [ 612.183869] 73 total pagecache pages [ 612.183871] 0 pages in swap cache [ 612.183876] Swap cache stats: add 0, delete 0, find 0/0 [ 612.183878] Free swap = 0kB [ 612.183880] Total swap = 0kB [ 612.183883] 1965979 pages RAM [ 612.183885] 0 pages HighMem/MovableOnly [ 612.183887] 313617 pages reserved [ 613.175436] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 613.175436] to free 76kB on behalf of 'syz-execprog' (2089) because [ 613.175436] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 613.175436] Free memory is -13600kB above reserved [ 614.185405] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 614.185405] to free 76kB on behalf of 'syz-executor.0' (3014) because [ 614.185405] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 614.185405] Free memory is -13600kB above reserved [ 615.195481] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 615.195481] to free 76kB on behalf of 'syz-execprog' (2090) because [ 615.195481] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 615.195481] Free memory is -13608kB above reserved [ 615.195492] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 615.195492] to free 76kB on behalf of 'cron' (1943) because [ 615.195492] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 615.195492] Free memory is -13608kB above reserved [ 616.205433] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 616.205433] to free 76kB on behalf of 'cron' (1943) because [ 616.205433] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 616.205433] Free memory is -13608kB above reserved [ 617.215494] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 617.215494] to free 76kB on behalf of 'cron' (1943) because [ 617.215494] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 617.215494] Free memory is -13608kB above reserved [ 617.943937] syz-execprog: page allocation stalls for 180020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 617.943947] CPU: 1 PID: 2089 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 617.943964] ffff8801ce3f77c0 ffffffff81b42e79 1ffff10039c7eefa ffff8801cee417c0 [ 617.943975] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ce3f7908 [ 617.943986] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 617.943988] Call Trace: [ 617.944004] [] dump_stack+0xc1/0x128 [ 617.944014] [] warn_alloc.cold.31+0x7f/0x9c [ 617.944024] [] ? zone_watermark_ok_safe+0x250/0x250 [ 617.944033] [] ? shrink_node+0x740/0x740 [ 617.944043] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 617.944051] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 617.944060] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 617.944069] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 617.944077] [] ? find_get_entry+0x11a/0x570 [ 617.944085] [] ? find_get_entry+0x141/0x570 [ 617.944092] [] ? page_cache_prev_hole+0x80/0x80 [ 617.944101] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 617.944109] [] ? pagecache_get_page+0x131/0x710 [ 617.944117] [] filemap_fault+0xaf1/0x1110 [ 617.944126] [] ext4_filemap_fault+0x71/0xa0 [ 617.944133] [] __do_fault+0x223/0x500 [ 617.944141] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 617.944149] [] ? generic_file_readonly_mmap+0x190/0x190 [ 617.944157] [] handle_mm_fault+0x1326/0x2350 [ 617.944164] [] ? vm_insert_page+0x6f0/0x6f0 [ 617.944175] [] ? kvm_clock_read+0x23/0x40 [ 617.944182] [] ? kvm_clock_get_cycles+0x9/0x10 [ 617.944192] [] __do_page_fault+0x403/0xa60 [ 617.944200] [] ? __fget_light+0x169/0x1f0 [ 617.944208] [] ? bad_area_access_error+0x3a0/0x3a0 [ 617.944219] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 617.944226] [] do_page_fault+0x27/0x30 [ 617.944234] [] page_fault+0x25/0x30 [ 617.944238] Mem-Info: [ 617.944256] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 617.944256] active_file:0 inactive_file:24 isolated_file:0 [ 617.944256] unevictable:0 dirty:0 writeback:0 unstable:0 [ 617.944256] slab_reclaimable:3910 slab_unreclaimable:58358 [ 617.944256] mapped:4 shmem:48 pagetables:353 bounce:0 [ 617.944256] free:5974 free_pcp:109 free_cma:0 ** 4 printk messages dropped ** [ 617.944328] lowmem_reserve[]: 0 0 0 [ 617.944381] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 366*4kB (UMEH) 152*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5208kB 73 total pagecache pages [ 617.944429] 0 pages in swap cache [ 617.944434] Swap cache stats: add 0, delete 0, find 0/0 [ 617.944436] Free swap = 0kB [ 617.944438] Total swap = 0kB [ 617.944441] 1965979 pages RAM [ 617.944443] 0 pages HighMem/MovableOnly [ 617.944445] 313617 pages reserved [ 618.225442] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 618.225442] to free 76kB on behalf of 'init' (1) because [ 618.225442] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 618.225442] Free memory is -13608kB above reserved [ 618.225454] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 618.225454] to free 76kB on behalf of 'syz-executor.0' (3014) because [ 618.225454] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 618.225454] Free memory is -13608kB above reserved [ 618.472480] syz-executor.2: page allocation stalls for 240020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 618.472490] CPU: 0 PID: 2105 Comm: syz-executor.2 Not tainted 4.9.141+ #23 [ 618.472507] ffff8801cc9af7c0 ffffffff81b42e79 1ffff10039935efa ffff8801cc9f0000 [ 618.472518] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cc9af908 [ 618.472529] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 618.472531] Call Trace: [ 618.472548] [] dump_stack+0xc1/0x128 [ 618.472558] [] warn_alloc.cold.31+0x7f/0x9c [ 618.472568] [] ? zone_watermark_ok_safe+0x250/0x250 [ 618.472577] [] ? shrink_node+0x740/0x740 [ 618.472587] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 618.472595] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 618.472604] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 618.472613] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 618.472621] [] ? find_get_entry+0x11a/0x570 [ 618.472628] [] ? find_get_entry+0x141/0x570 [ 618.472635] [] ? page_cache_prev_hole+0x80/0x80 [ 618.472643] [] ? pagecache_get_page+0x131/0x710 [ 618.472651] [] filemap_fault+0xaf1/0x1110 [ 618.472660] [] ext4_filemap_fault+0x71/0xa0 [ 618.472667] [] __do_fault+0x223/0x500 [ 618.472675] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 618.472683] [] ? generic_file_readonly_mmap+0x190/0x190 [ 618.472691] [] handle_mm_fault+0x1326/0x2350 [ 618.472698] [] ? vm_insert_page+0x6f0/0x6f0 [ 618.472708] [] ? compat_SyS_wait4+0x1e9/0x290 [ 618.472716] [] ? put_compat_rusage+0x550/0x550 [ 618.472726] [] __do_page_fault+0x403/0xa60 [ 618.472734] [] ? bad_area_access_error+0x3a0/0x3a0 [ 618.472744] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 618.472752] [] do_page_fault+0x27/0x30 [ 618.472760] [] page_fault+0x25/0x30 [ 618.472764] Mem-Info: [ 618.472783] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 618.472783] active_file:0 inactive_file:24 isolated_file:0 [ 618.472783] unevictable:0 dirty:0 writeback:0 unstable:0 [ 618.472783] slab_reclaimable:3910 slab_unreclaimable:58358 [ 618.472783] mapped:4 shmem:48 pagetables:353 bounce:0 [ 618.472783] free:5974 free_pcp:109 free_cma:0 [ 618.472797] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 618.472817] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 618.472845] Normal free:5208kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233160kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:316kB local_pcp:224kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 618.472905] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 366*4kB (UMEH) 152*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5208kB 73 total pagecache pages [ 618.472953] 0 pages in swap cache [ 618.472958] Swap cache stats: add 0, delete 0, find 0/0 [ 618.472960] Free swap = 0kB [ 618.472962] Total swap = 0kB [ 618.472965] 1965979 pages RAM [ 618.472967] 0 pages HighMem/MovableOnly [ 618.472969] 313617 pages reserved [ 618.507650] rsyslogd: page allocation stalls for 240090ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 618.507661] CPU: 1 PID: 1891 Comm: rsyslogd Not tainted 4.9.141+ #23 [ 618.507679] ffff8801d39cf7c0 ffffffff81b42e79 1ffff1003a739efa ffff8801d3cb2f80 [ 618.507689] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d39cf908 [ 618.507700] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 618.507702] Call Trace: [ 618.507719] [] dump_stack+0xc1/0x128 [ 618.507729] [] warn_alloc.cold.31+0x7f/0x9c [ 618.507739] [] ? zone_watermark_ok_safe+0x250/0x250 [ 618.507749] [] ? shrink_node+0x740/0x740 [ 618.507758] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 618.507766] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 618.507775] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 618.507784] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 618.507792] [] ? find_get_entry+0x11a/0x570 [ 618.507799] [] ? find_get_entry+0x141/0x570 [ 618.507807] [] ? page_cache_prev_hole+0x80/0x80 [ 618.507816] [] ? autoremove_wake_function+0x40/0x40 [ 618.507823] [] ? pagecache_get_page+0x131/0x710 [ 618.507831] [] filemap_fault+0xaf1/0x1110 [ 618.507840] [] ext4_filemap_fault+0x71/0xa0 [ 618.507847] [] __do_fault+0x223/0x500 [ 618.507854] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 618.507863] [] ? generic_file_readonly_mmap+0x190/0x190 [ 618.507871] [] handle_mm_fault+0x1326/0x2350 [ 618.507879] [] ? vm_insert_page+0x6f0/0x6f0 [ 618.507886] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 618.507896] [] __do_page_fault+0x403/0xa60 [ 618.507904] [] ? bad_area_access_error+0x3a0/0x3a0 [ 618.507915] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 618.507922] [] do_page_fault+0x27/0x30 [ 618.507930] [] page_fault+0x25/0x30 [ 618.507934] Mem-Info: [ 618.507952] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 618.507952] active_file:0 inactive_file:24 isolated_file:0 [ 618.507952] unevictable:0 dirty:0 writeback:0 unstable:0 [ 618.507952] slab_reclaimable:3910 slab_unreclaimable:58358 [ 618.507952] mapped:4 shmem:48 pagetables:353 bounce:0 [ 618.507952] free:5974 free_pcp:109 free_cma:0 [ 618.507967] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 618.507987] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 618.508015] Normal free:5208kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233160kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:316kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 618.508076] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 366*4kB (UMEH) 152*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5208kB ** 27 printk messages dropped ** [ 618.692627] [] filemap_fault+0xaf1/0x1110 [ 618.692636] [] ext4_filemap_fault+0x71/0xa0 ** 47 printk messages dropped ** [ 618.902381] [] filemap_fault+0xaf1/0x1110 [ 618.902389] [] ext4_filemap_fault+0x71/0xa0 ** 1 printk messages dropped ** [ 618.902403] [] ? do_page_mkwrite+0x3e0/0x3e0 ** 44 printk messages dropped ** [ 619.457433] [] ? page_cache_prev_hole+0x80/0x80 [ 619.457442] [] ? autoremove_wake_function+0x40/0x40 [ 619.457450] [] ? pagecache_get_page+0x131/0x710 [ 619.457458] [] filemap_fault+0xaf1/0x1110 ** 36 printk messages dropped ** [ 622.202544] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 622.202546] Call Trace: [ 622.202564] [] dump_stack+0xc1/0x128 [ 622.202573] [] warn_alloc.cold.31+0x7f/0x9c [ 622.202584] [] ? zone_watermark_ok_safe+0x250/0x250 [ 622.202593] [] ? shrink_node+0x740/0x740 [ 622.202602] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 622.202611] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 622.202620] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 622.202629] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 622.202637] [] ? find_get_entry+0x11a/0x570 [ 622.202644] [] ? find_get_entry+0x141/0x570 ** 35 printk messages dropped ** [ 623.275361] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 623.275361] to free 76kB on behalf of 'syz-executor.2' (2105) because [ 623.275361] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 623.275361] Free memory is -13608kB above reserved ** 1 printk messages dropped ** [ 624.285401] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 624.285401] to free 76kB on behalf of 'syz-executor.5' (3004) because [ 624.285401] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 624.285401] Free memory is -13608kB above reserved [ 625.295446] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 625.295446] to free 76kB on behalf of 'syz-executor.2' (2105) because [ 625.295446] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 625.295446] Free memory is -13608kB above reserved [ 625.295458] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 625.295458] to free 76kB on behalf of 'init' (1) because [ 625.295458] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 625.295458] Free memory is -13608kB above reserved [ 626.305416] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 626.305416] to free 76kB on behalf of 'rsyslogd' (1891) because [ 626.305416] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 626.305416] Free memory is -13608kB above reserved [ 626.305428] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 626.305428] to free 76kB on behalf of 'syz-executor.0' (3014) because [ 626.305428] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 626.305428] Free memory is -13608kB above reserved [ 627.315470] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 627.315470] to free 76kB on behalf of 'syz-executor.3' (3013) because [ 627.315470] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 627.315470] Free memory is -13608kB above reserved [ 627.949761] syz-execprog: page allocation stalls for 190030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 627.949772] CPU: 0 PID: 2089 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 627.949791] ffff8801ce3f77c0 ffffffff81b42e79 1ffff10039c7eefa ffff8801cee417c0 [ 627.949802] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ce3f7908 [ 627.949812] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 627.949815] Call Trace: [ 627.949831] [] dump_stack+0xc1/0x128 [ 627.949841] [] warn_alloc.cold.31+0x7f/0x9c [ 627.949851] [] ? zone_watermark_ok_safe+0x250/0x250 [ 627.949860] [] ? shrink_node+0x740/0x740 [ 627.949870] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 627.949878] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 627.949887] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 627.949896] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 627.949904] [] ? find_get_entry+0x11a/0x570 [ 627.949911] [] ? find_get_entry+0x141/0x570 [ 627.949918] [] ? page_cache_prev_hole+0x80/0x80 [ 627.949928] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 627.949936] [] ? pagecache_get_page+0x131/0x710 [ 627.949944] [] filemap_fault+0xaf1/0x1110 [ 627.949953] [] ext4_filemap_fault+0x71/0xa0 [ 627.949961] [] __do_fault+0x223/0x500 [ 627.949968] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 627.949976] [] ? generic_file_readonly_mmap+0x190/0x190 [ 627.949984] [] handle_mm_fault+0x1326/0x2350 [ 627.949998] [] ? vm_insert_page+0x6f0/0x6f0 [ 627.950008] [] ? kvm_clock_read+0x23/0x40 [ 627.950016] [] ? kvm_clock_get_cycles+0x9/0x10 [ 627.950025] [] __do_page_fault+0x403/0xa60 [ 627.950034] [] ? __fget_light+0x169/0x1f0 [ 627.950042] [] ? bad_area_access_error+0x3a0/0x3a0 [ 627.950053] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 627.950060] [] do_page_fault+0x27/0x30 [ 627.950068] [] page_fault+0x25/0x30 [ 627.950072] Mem-Info: [ 627.950091] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 627.950091] active_file:0 inactive_file:24 isolated_file:0 [ 627.950091] unevictable:0 dirty:0 writeback:0 unstable:0 [ 627.950091] slab_reclaimable:3910 slab_unreclaimable:58358 [ 627.950091] mapped:4 shmem:48 pagetables:353 bounce:0 [ 627.950091] free:5974 free_pcp:109 free_cma:0 [ 627.950106] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 ** 3 printk messages dropped ** [ 627.950162] lowmem_reserve[]: 0 0 0 [ 627.950215] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 366*4kB (UMEH) 152*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5208kB 73 total pagecache pages [ 627.950263] 0 pages in swap cache [ 627.950267] Swap cache stats: add 0, delete 0, find 0/0 [ 627.950269] Free swap = 0kB [ 627.950272] Total swap = 0kB [ 627.950274] 1965979 pages RAM [ 627.950277] 0 pages HighMem/MovableOnly [ 627.950279] 313617 pages reserved [ 628.325422] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 628.325422] to free 76kB on behalf of 'cron' (1943) because [ 628.325422] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 628.325422] Free memory is -13608kB above reserved [ 628.430598] rsyslogd: page allocation stalls for 250010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 628.430608] CPU: 1 PID: 1891 Comm: rsyslogd Not tainted 4.9.141+ #23 [ 628.430626] ffff8801d39cf7c0 ffffffff81b42e79 1ffff1003a739efa ffff8801d3cb2f80 [ 628.430637] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d39cf908 [ 628.430648] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 628.430650] Call Trace: [ 628.430667] [] dump_stack+0xc1/0x128 [ 628.430677] [] warn_alloc.cold.31+0x7f/0x9c [ 628.430687] [] ? zone_watermark_ok_safe+0x250/0x250 [ 628.430696] [] ? shrink_node+0x740/0x740 [ 628.430705] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 628.430714] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 628.430723] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 628.430732] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 628.430740] [] ? find_get_entry+0x11a/0x570 [ 628.430748] [] ? find_get_entry+0x141/0x570 [ 628.430755] [] ? page_cache_prev_hole+0x80/0x80 [ 628.430764] [] ? autoremove_wake_function+0x40/0x40 [ 628.430772] [] ? pagecache_get_page+0x131/0x710 [ 628.430780] [] filemap_fault+0xaf1/0x1110 [ 628.430789] [] ext4_filemap_fault+0x71/0xa0 [ 628.430796] [] __do_fault+0x223/0x500 [ 628.430804] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 628.430812] [] ? generic_file_readonly_mmap+0x190/0x190 [ 628.430820] [] handle_mm_fault+0x1326/0x2350 [ 628.430828] [] ? vm_insert_page+0x6f0/0x6f0 [ 628.430835] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 628.430845] [] __do_page_fault+0x403/0xa60 [ 628.430853] [] ? bad_area_access_error+0x3a0/0x3a0 [ 628.430863] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 628.430871] [] do_page_fault+0x27/0x30 [ 628.430879] [] page_fault+0x25/0x30 [ 628.430883] Mem-Info: [ 628.430902] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 628.430902] active_file:0 inactive_file:24 isolated_file:0 [ 628.430902] unevictable:0 dirty:0 writeback:0 unstable:0 [ 628.430902] slab_reclaimable:3910 slab_unreclaimable:58358 [ 628.430902] mapped:4 shmem:48 pagetables:353 bounce:0 [ 628.430902] free:5974 free_pcp:109 free_cma:0 [ 628.430917] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 628.430937] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 628.430966] Normal free:5208kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233160kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:316kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 628.431026] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 366*4kB (UMEH) 152*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5208kB 73 total pagecache pages [ 628.431074] 0 pages in swap cache [ 628.431079] Swap cache stats: add 0, delete 0, find 0/0 [ 628.431081] Free swap = 0kB [ 628.431083] Total swap = 0kB [ 628.431086] 1965979 pages RAM [ 628.431088] 0 pages HighMem/MovableOnly [ 628.431090] 313617 pages reserved [ 628.472122] syz-executor.2: page allocation stalls for 250020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 628.472132] CPU: 0 PID: 2105 Comm: syz-executor.2 Not tainted 4.9.141+ #23 [ 628.472150] ffff8801cc9af7c0 ffffffff81b42e79 1ffff10039935efa ffff8801cc9f0000 [ 628.472160] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cc9af908 [ 628.472170] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 628.472172] Call Trace: [ 628.472189] [] dump_stack+0xc1/0x128 [ 628.472199] [] warn_alloc.cold.31+0x7f/0x9c [ 628.472208] [] ? zone_watermark_ok_safe+0x250/0x250 [ 628.472217] [] ? shrink_node+0x740/0x740 [ 628.472226] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 628.472235] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 628.472244] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 628.472251] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 628.472259] [] ? find_get_entry+0x11a/0x570 [ 628.472266] [] ? find_get_entry+0x141/0x570 [ 628.472273] [] ? page_cache_prev_hole+0x80/0x80 [ 628.472280] [] ? pagecache_get_page+0x131/0x710 [ 628.472287] [] filemap_fault+0xaf1/0x1110 [ 628.472296] [] ext4_filemap_fault+0x71/0xa0 [ 628.472302] [] __do_fault+0x223/0x500 [ 628.472309] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 628.472317] [] ? generic_file_readonly_mmap+0x190/0x190 [ 628.472324] [] handle_mm_fault+0x1326/0x2350 [ 628.472331] [] ? vm_insert_page+0x6f0/0x6f0 [ 628.472340] [] ? compat_SyS_wait4+0x1e9/0x290 [ 628.472347] [] ? put_compat_rusage+0x550/0x550 [ 628.472356] [] __do_page_fault+0x403/0xa60 [ 628.472364] [] ? bad_area_access_error+0x3a0/0x3a0 [ 628.472372] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 628.472379] [] do_page_fault+0x27/0x30 [ 628.472387] [] page_fault+0x25/0x30 [ 628.472391] Mem-Info: [ 628.472408] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 628.472408] active_file:0 inactive_file:24 isolated_file:0 [ 628.472408] unevictable:0 dirty:0 writeback:0 unstable:0 [ 628.472408] slab_reclaimable:3910 slab_unreclaimable:58358 [ 628.472408] mapped:4 shmem:48 pagetables:353 bounce:0 [ 628.472408] free:5974 free_pcp:109 free_cma:0 [ 628.472421] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 628.472441] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 628.472467] Normal free:5208kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233160kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:316kB local_pcp:224kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 628.472522] DMA32: 22*4kB (M) 25*8kB (UM) 16*16kB (M) 17*32kB (M) 13*64kB (UM) 3*128kB (M) 2*256kB (M) 1*512kB (U) 5*1024kB (UM) 1*2048kB (U) 2*4096kB (U) = 18688kB Normal: 366*4kB (UMEH) 152*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5208kB 73 total pagecache pages [ 628.472567] 0 pages in swap cache [ 628.472571] Swap cache stats: add 0, delete 0, find 0/0 [ 628.472573] Free swap = 0kB [ 628.472575] Total swap = 0kB [ 628.472577] 1965979 pages RAM [ 628.472579] 0 pages HighMem/MovableOnly [ 628.472581] 313617 pages reserved [ 628.702529] syz-execprog: page allocation stalls for 250050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 628.702539] CPU: 1 PID: 2090 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 628.702558] ffff8801ce3ff7c0 ffffffff81b42e79 1ffff10039c7fefa ffff8801cef2af80 [ 628.702568] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ce3ff908 ** 64 printk messages dropped ** [ 628.887770] [] filemap_fault+0xaf1/0x1110 [ 628.887778] [] ext4_filemap_fault+0x71/0xa0 [ 628.887786] [] __do_fault+0x223/0x500 [ 628.887793] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 628.887802] [] ? generic_file_readonly_mmap+0x190/0x190 ** 40 printk messages dropped ** [ 629.424584] [] ? radix_tree_lookup_slot+0x85/0xc0 ** 2 printk messages dropped ** [ 629.424607] [] ? page_cache_prev_hole+0x80/0x80 [ 629.424616] [] ? autoremove_wake_function+0x40/0x40 ** 39 printk messages dropped ** [ 632.257196] Call Trace: [ 632.257213] [] dump_stack+0xc1/0x128 [ 632.257223] [] warn_alloc.cold.31+0x7f/0x9c [ 632.257233] [] ? zone_watermark_ok_safe+0x250/0x250 [ 632.257242] [] ? shrink_node+0x740/0x740 [ 632.257251] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 632.257260] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 632.257269] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 632.257278] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 632.257285] [] ? find_get_entry+0x11a/0x570 [ 632.257293] [] ? find_get_entry+0x141/0x570 [ 632.257300] [] ? page_cache_prev_hole+0x80/0x80 [ 632.257308] [] ? __lock_acquire+0x654/0x4a10 [ 632.257316] [] ? pagecache_get_page+0x131/0x710 [ 632.257324] [] filemap_fault+0xaf1/0x1110 ** 31 printk messages dropped ** [ 633.375458] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 633.375458] to free 76kB on behalf of 'rsyslogd' (1891) because [ 633.375458] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 633.375458] Free memory is -13608kB above reserved [ 634.385376] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 634.385376] to free 76kB on behalf of 'syz-execprog' (2090) because [ 634.385376] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 634.385376] Free memory is -13608kB above reserved [ 635.395402] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 635.395402] to free 76kB on behalf of 'syz-executor.1' (2998) because [ 635.395402] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 635.395402] Free memory is -13608kB above reserved [ 636.405464] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 636.405464] to free 76kB on behalf of 'syz-executor.2' (2105) because [ 636.405464] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 636.405464] Free memory is -13608kB above reserved [ 637.415386] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 637.415386] to free 76kB on behalf of 'syz-executor.0' (3014) because [ 637.415386] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 637.415386] Free memory is -13608kB above reserved [ 637.945750] syz-execprog: page allocation stalls for 200030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 637.945760] CPU: 1 PID: 2089 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 637.945778] ffff8801ce3f77c0 ffffffff81b42e79 1ffff10039c7eefa ffff8801cee417c0 [ 637.945789] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ce3f7908 [ 637.945799] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 637.945801] Call Trace: [ 637.945818] [] dump_stack+0xc1/0x128 [ 637.945828] [] warn_alloc.cold.31+0x7f/0x9c [ 637.945838] [] ? zone_watermark_ok_safe+0x250/0x250 [ 637.945847] [] ? shrink_node+0x740/0x740 [ 637.945857] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 637.945865] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 637.945875] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 637.945884] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 637.945892] [] ? find_get_entry+0x11a/0x570 [ 637.945900] [] ? find_get_entry+0x141/0x570 [ 637.945907] [] ? page_cache_prev_hole+0x80/0x80 [ 637.945917] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 637.945924] [] ? pagecache_get_page+0x131/0x710 [ 637.945933] [] filemap_fault+0xaf1/0x1110 [ 637.945942] [] ext4_filemap_fault+0x71/0xa0 [ 637.945949] [] __do_fault+0x223/0x500 [ 637.945956] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 637.945965] [] ? generic_file_readonly_mmap+0x190/0x190 [ 637.945973] [] handle_mm_fault+0x1326/0x2350 [ 637.945980] [] ? vm_insert_page+0x6f0/0x6f0 [ 637.945990] [] ? kvm_clock_read+0x23/0x40 [ 637.945997] [] ? kvm_clock_get_cycles+0x9/0x10 [ 637.946007] [] __do_page_fault+0x403/0xa60 [ 637.946016] [] ? __fget_light+0x169/0x1f0 [ 637.946023] [] ? bad_area_access_error+0x3a0/0x3a0 [ 637.946033] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 637.946041] [] do_page_fault+0x27/0x30 [ 637.946049] [] page_fault+0x25/0x30 [ 637.946053] Mem-Info: [ 637.946072] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 637.946072] active_file:0 inactive_file:24 isolated_file:0 [ 637.946072] unevictable:0 dirty:0 writeback:0 unstable:0 [ 637.946072] slab_reclaimable:3910 slab_unreclaimable:58358 [ 637.946072] mapped:4 shmem:48 pagetables:353 bounce:0 [ 637.946072] free:5974 free_pcp:109 free_cma:0 ** 6 printk messages dropped ** [ 637.946239] Normal: 366*4kB (UMEH) 152*8kB (UMH) 86*16kB (UME) 26*32kB (UMH) 3*64kB (M) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5208kB 73 total pagecache pages [ 637.946245] 0 pages in swap cache [ 637.946249] Swap cache stats: add 0, delete 0, find 0/0 [ 637.946251] Free swap = 0kB [ 637.946253] Total swap = 0kB [ 637.946256] 1965979 pages RAM [ 637.946258] 0 pages HighMem/MovableOnly [ 637.946261] 313617 pages reserved [ 638.425418] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 638.425418] to free 76kB on behalf of 'syz-executor.0' (3014) because [ 638.425418] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 638.425418] Free memory is -13608kB above reserved [ 638.425442] lowmemorykiller: Killing 'syz-executor.1' (2998) (tgid 2998), adj 1000, [ 638.425442] to free 76kB on behalf of 'rs:main Q:Reg' (1889) because [ 638.425442] cache 100kB is below limit 6144kB for oom_score_adj 0 [ 638.425442] Free memory is -13608kB above reserved [ 638.462559] syz-executor.2: page allocation stalls for 260010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 638.462570] CPU: 0 PID: 2105 Comm: syz-executor.2 Not tainted 4.9.141+ #23 [ 638.462588] ffff8801cc9af7c0 ffffffff81b42e79 1ffff10039935efa ffff8801cc9f0000 [ 638.462599] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cc9af908 [ 638.462609] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 638.462612] Call Trace: [ 638.462628] [] dump_stack+0xc1/0x128 [ 638.462638] [] warn_alloc.cold.31+0x7f/0x9c [ 638.462650] [] ? zone_watermark_ok_safe+0x250/0x250 [ 638.462659] [] ? shrink_node+0x740/0x740 [ 638.462668] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 638.462676] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 638.462686] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 638.462695] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 638.462702] [] ? find_get_entry+0x11a/0x570 [ 638.462710] [] ? find_get_entry+0x141/0x570 [ 638.462717] [] ? page_cache_prev_hole+0x80/0x80 [ 638.462725] [] ? pagecache_get_page+0x131/0x710 [ 638.462733] [] filemap_fault+0xaf1/0x1110 [ 638.462742] [] ext4_filemap_fault+0x71/0xa0 [ 638.462750] [] __do_fault+0x223/0x500 [ 638.462757] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 638.462765] [] ? generic_file_readonly_mmap+0x190/0x190 [ 638.462773] [] handle_mm_fault+0x1326/0x2350 [ 638.462781] [] ? vm_insert_page+0x6f0/0x6f0 [ 638.462790] [] ? compat_SyS_wait4+0x1e9/0x290 [ 638.462798] [] ? put_compat_rusage+0x550/0x550 [ 638.462808] [] __do_page_fault+0x403/0xa60 [ 638.462816] [] ? bad_area_access_error+0x3a0/0x3a0 [ 638.462826] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 638.462834] [] do_page_fault+0x27/0x30 [ 638.462842] [] page_fault+0x25/0x30 [ 638.462846] Mem-Info: [ 638.462865] active_anon:5644 inactive_anon:42 isolated_anon:0 [ 638.462865] active_file:0 inactive_file:24 isolated_file:0 [ 638.462865] unevictable:0 dirty:0 writeback:0 unstable:0 [ 638.462865] slab_reclaimable:3910 slab_unreclaimable:58358 [ 638.462865] mapped:4 shmem:48 pagetables:353 bounce:0 [ 638.462865] free:5974 free_pcp:109 free_cma:0 [ 638.462879] Node 0 active_anon:22576kB inactive_anon:168kB active_file:0kB inactive_file:96kB 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 [ 638.462899] DMA32 free:18688kB min:4696kB low:7712kB high:10728kB active_anon:260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:272kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 638.462927] Normal free:5208kB min:5580kB low:9168kB high:12756kB active_anon:22316kB inactive_anon:168kB active_file:0kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15640kB slab_unreclaimable:233160kB kernel_stack:3840kB pagetables:1412kB bounce:0kB free_pcp:316kB local_pcp:224kB free_cma:0kB