Warning: Permanently added '10.128.0.176' (ECDSA) to the list of known hosts. 2019/10/27 06:45:33 parsed 1 programs 2019/10/27 06:45:35 executed programs: 0 [ 989.047333] audit: type=1400 audit(1572158735.114:5): avc: denied { sys_admin } for pid=2227 comm="syz-executor.1" capability=21 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 989.095350] audit: type=1400 audit(1572158735.154:6): avc: denied { net_admin } for pid=2233 comm="syz-executor.3" capability=12 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 989.535586] audit: type=1400 audit(1572158735.604:7): avc: denied { sys_chroot } for pid=2233 comm="syz-executor.3" capability=18 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 989.563783] audit: type=1400 audit(1572158735.624:8): avc: denied { associate } for pid=2233 comm="syz-executor.3" name="syz3" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 [ 991.294600] lowmemorykiller: Killing 'syz-executor.1' (2398) (tgid 2389), adj 1000, [ 991.294600] to free 1104kB on behalf of 'kswapd0' (33) because [ 991.294600] cache 54720kB is below limit 65536kB for oom_score_adj 12 [ 991.294600] Free memory is -12204kB above reserved [ 991.324897] lowmemorykiller: Killing 'syz-executor.1' (2398) (tgid 2389), adj 1000, [ 991.324897] to free 1104kB on behalf of 'syz-executor.1' (2414) because [ 991.324897] cache 52520kB is below limit 65536kB for oom_score_adj 12 [ 991.324897] Free memory is -13268kB above reserved [ 992.365017] oom_reaper: reaped process 2427 (syz-executor.2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 992.400414] syz-executor.2 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 [ 992.524889] lowmemorykiller: Killing 'syz-executor.1' (2398) (tgid 2389), adj 1000, [ 992.524889] to free 140kB on behalf of 'syz-executor.1' (2414) because [ 992.524889] cache 372kB is below limit 6144kB for oom_score_adj 0 [ 992.524889] Free memory is -34400kB above reserved [ 992.524987] lowmemorykiller: Killing 'syz-executor.1' (2398) (tgid 2389), adj 1000, [ 992.524987] to free 140kB on behalf of 'syz-executor.2' (2236) because [ 992.524987] cache 372kB is below limit 6144kB for oom_score_adj 0 [ 992.524987] Free memory is -34400kB above reserved [ 992.557995] syz-executor.2: vmalloc: allocation failure, allocated 326385664 of 2983755776 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 992.558004] CPU: 0 PID: 2427 Comm: syz-executor.2 Not tainted 4.9.141+ #1 [ 992.558021] ffff8801c024f9c8 ffffffff81b42e79 1ffff10038049f3b dffffc0000000000 [ 992.558031] ffffffff82aa8ba0 0000000000000000 0000000000400000 ffff8801c024fb10 [ 992.558041] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 992.558043] Call Trace: [ 992.558058] [] dump_stack+0xc1/0x128 [ 992.558067] [] warn_alloc.cold.31+0x7f/0x9c [ 992.558077] [] ? zone_watermark_ok_safe+0x250/0x250 [ 992.558085] [] ? retint_kernel+0x2d/0x2d [ 992.558094] [] __vmalloc_node_range+0x3f8/0x600 [ 992.558102] [] ? xt_alloc_table_info+0xc9/0x100 [ 992.558109] [] vmalloc+0x5b/0x70 [ 992.558116] [] ? xt_alloc_table_info+0xc9/0x100 [ 992.558123] [] xt_alloc_table_info+0xc9/0x100 [ 992.558131] [] do_ip6t_set_ctl+0x235/0x470 [ 992.558139] [] ? compat_do_ip6t_set_ctl+0x140/0x140 [ 992.558148] [] ? mutex_unlock+0x9/0x10 [ 992.558157] [] ? nf_sockopt_find.constprop.0+0x1b1/0x230 [ 992.558164] [] nf_setsockopt+0x6d/0xc0 [ 992.558174] [] ipv6_setsockopt+0xc8/0x130 [ 992.558181] [] udpv6_setsockopt+0x4a/0x90 [ 992.558189] [] sock_common_setsockopt+0x9a/0xe0 [ 992.558197] [] SyS_setsockopt+0x166/0x260 [ 992.558203] [] ? SyS_recv+0x40/0x40 [ 992.558212] [] ? SyS_clock_gettime+0x11e/0x1f0 [ 992.558220] [] ? SyS_clock_settime+0x220/0x220 [ 992.558227] [] ? do_syscall_64+0x48/0x550 [ 992.558234] [] ? SyS_recv+0x40/0x40 [ 992.558240] [] do_syscall_64+0x19f/0x550 [ 992.558248] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 992.558251] Mem-Info: [ 992.558268] active_anon:5087 inactive_anon:42 isolated_anon:0 [ 992.558268] active_file:11 inactive_file:25 isolated_file:0 [ 992.558268] unevictable:0 dirty:0 writeback:0 unstable:0 [ 992.558268] slab_reclaimable:4103 slab_unreclaimable:57788 [ 992.558268] mapped:10 shmem:48 pagetables:423 bounce:0 [ 992.558268] free:94 free_pcp:7 free_cma:0 [ 992.558281] Node 0 active_anon:20348kB inactive_anon:168kB active_file:44kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:40kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes [ 992.558298] DMA32 free:4kB 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 [ 992.558329] Normal free:372kB min:5580kB low:9168kB high:12756kB active_anon:20348kB inactive_anon:168kB active_file:44kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16412kB slab_unreclaimable:231152kB kernel_stack:4384kB pagetables:1692kB bounce:0kB free_pcp:28kB local_pcp:28kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 992.558365] 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: 2*4kB (H) 14*8kB (H) 3*16kB (H) 6*32kB (H) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 424kB 141 total pagecache pages [ 992.558406] 0 pages in swap cache [ 992.558410] Swap cache stats: add 0, delete 0, find 0/0 [ 992.558412] Free swap = 0kB [ 992.558414] Total swap = 0kB [ 992.558417] 1965979 pages RAM [ 992.558419] 0 pages HighMem/MovableOnly [ 992.558421] 313617 pages reserved [ 993.189059] syz-executor.2: page allocation failure: order:0, mode:0x2284020(GFP_ATOMIC|__GFP_COMP|__GFP_NOTRACK) [ 993.189068] CPU: 1 PID: 2429 Comm: syz-executor.2 Not tainted 4.9.141+ #1 [ 993.189081] ffff8801db707418 ffffffff81b42e79 1ffff1003b6e0e85 ffff8801c6b62f80 [ 993.189091] ffffffff82a974e0 0000000000000000 0000000002284020 ffff8801db707560 [ 993.189101] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 993.189103] Call Trace: [ 993.189119] [ 993.189120] [] dump_stack+0xc1/0x128 [ 993.189129] [] warn_alloc.cold.31+0x7f/0x9c [ 993.189138] [] ? zone_watermark_ok_safe+0x250/0x250 [ 993.189146] [] ? get_page_from_freelist+0x23e/0x1d80 [ 993.189155] [] ? __lock_acquire+0x654/0x4a10 [ 993.189163] [] __alloc_pages_nodemask+0x628/0x1bd0 [ 993.189170] [] ? trace_hardirqs_on+0x10/0x10 [ 993.189178] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 993.189186] [] ? try_to_wake_up+0x5b2/0xf80 [ 993.189192] [] ? try_to_wake_up+0x58b/0xf80 [ 993.189200] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 993.189209] [] ? update_stack_state.constprop.2+0x7c/0x170 [ 993.189215] [] ? __unwind_start+0x14d/0x3b0 [ 993.189222] [] ? unwind_next_frame+0x7d/0xd0 [ 993.189230] [] new_slab+0x367/0x3d0 [ 993.189238] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 993.189246] [] ? dst_alloc+0xb5/0x1a0 [ 993.189253] [] ? kasan_kmalloc+0xaf/0xc0 [ 993.189260] [] ? kasan_slab_alloc+0x12/0x20 [ 993.189268] [] ? __kmalloc_track_caller+0xf0/0x2d0 [ 993.189275] [] ? __alloc_skb+0x11a/0x5b0 [ 993.189283] [] ? ndisc_alloc_skb+0x144/0x330 [ 993.189298] [] ? ndisc_send_rs+0x2ff/0x670 [ 993.189304] [] ? addrconf_rs_timer+0x27e/0x5a0 [ 993.189311] [] ? call_timer_fn+0x163/0x6e0 [ 993.189318] [] ? expire_timers+0x234/0x580 [ 993.189324] [] ? run_timer_softirq+0x208/0x5e0 [ 993.189333] [] ? check_preemption_disabled+0x3b/0x200 [ 993.189342] [] ? smp_apic_timer_interrupt+0x81/0xb0 [ 993.189349] [] ? dst_alloc+0xb5/0x1a0 [ 993.189357] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 993.189364] [] ? dst_alloc+0xb5/0x1a0 [ 993.189372] [] kmem_cache_alloc+0x212/0x2b0 [ 993.189379] [] ? sock_common_setsockopt+0x9a/0xe0 [ 993.189386] [] dst_alloc+0xb5/0x1a0 [ 993.189393] [] __ip6_dst_alloc+0x31/0x130 [ 993.189399] [] ip6_dst_alloc+0x2d/0x1e0 [ 993.189406] [] ? icmp6_dst_alloc+0xe5/0x610 [ 993.189414] [] icmp6_dst_alloc+0x150/0x610 [ 993.189421] [] ? ip6_blackhole_route+0x5e0/0x5e0 [ 993.189429] [] ndisc_send_skb+0xcec/0x12e0 [ 993.189436] [] ? debug_lockdep_rcu_enabled+0x75/0x90 [ 993.189443] [] ? ndisc_alloc_skb+0x330/0x330 [ 993.189449] [] ? memset+0x31/0x40 [ 993.189457] [] ? __alloc_skb+0x3ae/0x5b0 [ 993.189465] [] ? __kmalloc_reserve.isra.5+0xc0/0xc0 [ 993.189471] [] ? ipv6_get_ifaddr+0x300/0x510 [ 993.189479] [] ? __ndisc_fill_addr_option+0xeb/0x110 [ 993.189487] [] ndisc_send_rs+0x12a/0x670 [ 993.189494] [] addrconf_rs_timer+0x27e/0x5a0 [ 993.189500] [] ? migrate_swap_stop+0x810/0x810 [ 993.189507] [] ? ipv6_get_lladdr+0x440/0x440 [ 993.189514] [] ? debug_object_deactivate+0x214/0x340 [ 993.189521] [] ? call_timer_fn+0x18d/0x6e0 [ 993.189527] [] call_timer_fn+0x163/0x6e0 [ 993.189534] [] ? call_timer_fn+0xda/0x6e0 [ 993.189541] [] ? debug_object_deactivate+0x214/0x340 [ 993.189547] [] ? ipv6_get_lladdr+0x440/0x440 [ 993.189554] [] ? process_timeout+0x20/0x20 [ 993.189560] [] ? expire_timers+0x226/0x580 [ 993.189567] [] ? ipv6_get_lladdr+0x440/0x440 [ 993.189573] [] expire_timers+0x234/0x580 [ 993.189580] [] ? collect_expired_timers+0x1d5/0x2b0 [ 993.189587] [] run_timer_softirq+0x208/0x5e0 [ 993.189594] [] ? expire_timers+0x580/0x580 [ 993.189602] [] ? tick_setup_hrtimer_broadcast+0x40/0x40 [ 993.189609] [] ? hrtimer_interrupt+0x1d7/0x430 [ 993.189617] [] ? check_preemption_disabled+0x3b/0x200 [ 993.189624] [] __do_softirq+0x20e/0x964 [ 993.189632] [] ? check_preemption_disabled+0x3b/0x200 [ 993.189640] [] irq_exit+0x11c/0x150 [ 993.189647] [] smp_apic_timer_interrupt+0x81/0xb0 [ 993.189655] [] apic_timer_interrupt+0x9d/0xb0 [ 993.189665] [ 993.189665] [] ? console_unlock+0x7a3/0xb50 [ 993.189673] [] ? console_unlock+0x7ae/0xb50 [ 993.189681] [] ? vprintk_emit+0x282/0x790 [ 993.189688] [] vprintk_emit+0x448/0x790 [ 993.189696] [] vprintk+0x28/0x30 [ 993.189704] [] vprintk_default+0x1d/0x30 [ 993.189711] [] printk+0xaf/0xd7 [ 993.189719] [] ? log_wakeup_reason.cold.1+0x13f/0x13f [ 993.189726] [] ? mark_held_locks+0xc7/0x130 [ 993.189733] [] dump_header.isra.4+0x13d/0x747 [ 993.189740] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 993.189748] [] ? ___ratelimit+0x53/0x401 [ 993.189755] [] oom_kill_process.cold.10+0xd/0xa6e [ 993.189763] [] ? check_preemption_disabled+0x3b/0x200 [ 993.189770] [] ? out_of_memory+0x6d4/0xe90 [ 993.189777] [] out_of_memory+0x292/0xe90 [ 993.189784] [] ? out_of_memory+0x410/0xe90 [ 993.189791] [] ? oom_killer_disable+0x200/0x200 [ 993.189798] [] ? trace_hardirqs_on+0xd/0x10 [ 993.189806] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 993.189813] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 993.189820] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 993.189829] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 993.189836] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 993.189845] [] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 993.189853] [] __vmalloc_node_range+0x25b/0x600 [ 993.189860] [] ? xt_alloc_table_info+0xc9/0x100 [ 993.189867] [] vmalloc+0x5b/0x70 [ 993.189873] [] ? xt_alloc_table_info+0xc9/0x100 [ 993.189880] [] xt_alloc_table_info+0xc9/0x100 [ 993.189888] [] do_ip6t_set_ctl+0x235/0x470 [ 993.189896] [] ? compat_do_ip6t_set_ctl+0x140/0x140 [ 993.189904] [] ? mutex_unlock+0x9/0x10 [ 993.189912] [] ? nf_sockopt_find.constprop.0+0x1b1/0x230 [ 993.189919] [] nf_setsockopt+0x6d/0xc0 [ 993.189926] [] ipv6_setsockopt+0xc8/0x130 [ 993.189933] [] udpv6_setsockopt+0x4a/0x90 [ 993.189940] [] sock_common_setsockopt+0x9a/0xe0 [ 993.189947] [] SyS_setsockopt+0x166/0x260 [ 993.189953] [] ? SyS_recv+0x40/0x40 [ 993.189961] [] ? SyS_clock_gettime+0x11e/0x1f0 [ 993.189969] [] ? SyS_clock_settime+0x220/0x220 [ 993.189975] [] ? do_syscall_64+0x48/0x550 [ 993.189981] [] ? SyS_recv+0x40/0x40 [ 993.189988] [] do_syscall_64+0x19f/0x550 [ 993.189995] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 993.189998] Mem-Info: [ 993.190014] active_anon:5066 inactive_anon:42 isolated_anon:0 [ 993.190014] active_file:5 inactive_file:36 isolated_file:0 [ 993.190014] unevictable:0 dirty:0 writeback:0 unstable:0 [ 993.190014] slab_reclaimable:4103 slab_unreclaimable:57788 [ 993.190014] mapped:8 shmem:48 pagetables:423 bounce:0 [ 993.190014] free:139 free_pcp:0 free_cma:0 [ 993.190026] Node 0 active_anon:20264kB inactive_anon:168kB active_file:20kB inactive_file:144kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 993.190043] 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 [ 993.190067] Normal free:556kB min:5580kB low:9168kB high:12756kB active_anon:20264kB inactive_anon:168kB active_file:20kB inactive_file:144kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16412kB slab_unreclaimable:231152kB kernel_stack:4384kB pagetables:1692kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 993.190100] 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: 37*4kB (MH) 15*8kB (MH) 3*16kB (H) 6*32kB (H) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 572kB 89 total pagecache pages [ 993.190138] 0 pages in swap cache [ 993.190142] Swap cache stats: add 0, delete 0, find 0/0 [ 993.190144] Free swap = 0kB [ 993.190145] Total swap = 0kB [ 993.190147] 1965979 pages RAM [ 993.190149] 0 pages HighMem/MovableOnly [ 993.190151] 313617 pages reserved [ 993.190158] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 993.190163] cache: ip6_dst_cache, object size: 384, buffer size: 448, default order: 1, min order: 0 [ 993.190167] node 0: slabs: 19, objs: 342, free: 0 [ 993.269116] syz-executor.2: page allocation failure: order:0, mode:0x2284020(GFP_ATOMIC|__GFP_COMP|__GFP_NOTRACK) [ 993.269124] CPU: 1 PID: 2429 Comm: syz-executor.2 Not tainted 4.9.141+ #1 [ 993.269138] ffff8801db707418 ffffffff81b42e79 1ffff1003b6e0e85 ffff8801c6b62f80 [ 993.269148] ffffffff82a974e0 0000000000000000 0000000002284020 ffff8801db707560 [ 993.269158] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 993.269159] Call Trace: [ 993.269174] [ 993.269175] [] dump_stack+0xc1/0x128 [ 993.269185] [] warn_alloc.cold.31+0x7f/0x9c [ 993.269194] [] ? zone_watermark_ok_safe+0x250/0x250 [ 993.269202] [] ? get_page_from_freelist+0x23e/0x1d80 [ 993.269210] [] ? __lock_acquire+0x654/0x4a10 [ 993.269218] [] __alloc_pages_nodemask+0x628/0x1bd0 [ 993.269229] [] ? kvm_sched_clock_read+0x9/0x20 [ 993.269236] [] ? sched_clock+0x9/0x10 [ 993.269244] [] ? down_trylock+0x50/0x70 [ 993.269252] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 993.269259] [] ? __unwind_start+0x14d/0x3b0 [ 993.269267] [] ? depot_save_stack+0x20f/0x470 [ 993.269275] [] ? get_stack_info+0x37/0x120 [ 993.269287] [] ? update_stack_state.constprop.2+0x7c/0x170 [ 993.269297] [] ? __unwind_start+0x14d/0x3b0 [ 993.269304] [] ? unwind_next_frame+0x7d/0xd0 [ 993.269312] [] new_slab+0x367/0x3d0 [ 993.269320] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 993.269329] [] ? dst_alloc+0xb5/0x1a0 [ 993.269336] [] ? kasan_kmalloc+0xaf/0xc0 [ 993.269343] [] ? kasan_slab_alloc+0x12/0x20 [ 993.269351] [] ? __kmalloc_track_caller+0xf0/0x2d0 [ 993.269360] [] ? __kmalloc_reserve.isra.5+0x33/0xc0 [ 993.269367] [] ? __alloc_skb+0x11a/0x5b0 [ 993.269377] [] ? ndisc_alloc_skb+0x144/0x330 [ 993.269384] [] ? ndisc_send_rs+0x2ff/0x670 [ 993.269391] [] ? addrconf_rs_timer+0x27e/0x5a0 [ 993.269398] [] ? call_timer_fn+0x163/0x6e0 [ 993.269404] [] ? expire_timers+0x234/0x580 [ 993.269411] [] ? run_timer_softirq+0x208/0x5e0 [ 993.269419] [] ? check_preemption_disabled+0x3b/0x200 [ 993.269427] [] ? smp_apic_timer_interrupt+0x81/0xb0 [ 993.269434] [] ? dst_alloc+0xb5/0x1a0 [ 993.269442] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 993.269449] [] ? dst_alloc+0xb5/0x1a0 [ 993.269457] [] kmem_cache_alloc+0x212/0x2b0 [ 993.269464] [] ? sock_common_setsockopt+0x9a/0xe0 [ 993.269471] [] dst_alloc+0xb5/0x1a0 [ 993.269478] [] __ip6_dst_alloc+0x31/0x130 [ 993.269485] [] ip6_dst_alloc+0x2d/0x1e0 [ 993.269492] [] ? icmp6_dst_alloc+0xe5/0x610 [ 993.269498] [] icmp6_dst_alloc+0x150/0x610 [ 993.269505] [] ? ip6_blackhole_route+0x5e0/0x5e0 [ 993.269513] [] ndisc_send_skb+0xcec/0x12e0 [ 993.269520] [] ? debug_lockdep_rcu_enabled+0x75/0x90 [ 993.269527] [] ? ndisc_alloc_skb+0x330/0x330 [ 993.269534] [] ? memset+0x31/0x40 [ 993.269541] [] ? __alloc_skb+0x3ae/0x5b0 [ 993.269549] [] ? __kmalloc_reserve.isra.5+0xc0/0xc0 [ 993.269555] [] ? ipv6_get_ifaddr+0x300/0x510 [ 993.269563] [] ? __ndisc_fill_addr_option+0xeb/0x110 [ 993.269571] [] ndisc_send_rs+0x12a/0x670 [ 993.269578] [] addrconf_rs_timer+0x27e/0x5a0 [ 993.269585] [] ? ipv6_get_lladdr+0x440/0x440 [ 993.269592] [] ? debug_object_deactivate+0x214/0x340 [ 993.269599] [] call_timer_fn+0x163/0x6e0 [ 993.269605] [] ? call_timer_fn+0xda/0x6e0 [ 993.269613] [] ? debug_object_deactivate+0x214/0x340 [ 993.269619] [] ? ipv6_get_lladdr+0x440/0x440 [ 993.269625] [] ? process_timeout+0x20/0x20 [ 993.269632] [] ? expire_timers+0x226/0x580 [ 993.269639] [] ? ipv6_get_lladdr+0x440/0x440 [ 993.269645] [] expire_timers+0x234/0x580 [ 993.269652] [] ? collect_expired_timers+0x1d5/0x2b0 [ 993.269659] [] run_timer_softirq+0x208/0x5e0 [ 993.269665] [] ? expire_timers+0x580/0x580 [ 993.269674] [] ? tick_setup_hrtimer_broadcast+0x40/0x40 [ 993.269681] [] ? hrtimer_interrupt+0x1d7/0x430 [ 993.269689] [] ? check_preemption_disabled+0x3b/0x200 [ 993.269696] [] __do_softirq+0x20e/0x964 [ 993.269703] [] ? check_preemption_disabled+0x3b/0x200 [ 993.269711] [] irq_exit+0x11c/0x150 [ 993.269719] [] smp_apic_timer_interrupt+0x81/0xb0 [ 993.269726] [] apic_timer_interrupt+0x9d/0xb0 [ 993.269737] [ 993.269738] [] ? console_unlock+0x7a3/0xb50 [ 993.269745] [] ? console_unlock+0x7ae/0xb50 [ 993.269753] [] ? vprintk_emit+0x282/0x790 [ 993.269761] [] vprintk_emit+0x448/0x790 [ 993.269768] [] vprintk+0x28/0x30 [ 993.269776] [] vprintk_default+0x1d/0x30 [ 993.269784] [] printk+0xaf/0xd7 [ 993.269792] [] ? log_wakeup_reason.cold.1+0x13f/0x13f [ 993.269799] [] ? mark_held_locks+0xc7/0x130 [ 993.269806] [] dump_header.isra.4+0x13d/0x747 [ 993.269813] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 993.269820] [] ? ___ratelimit+0x53/0x401 [ 993.269828] [] oom_kill_process.cold.10+0xd/0xa6e [ 993.269835] [] ? check_preemption_disabled+0x3b/0x200 [ 993.269842] [] ? out_of_memory+0x6d4/0xe90 [ 993.269850] [] out_of_memory+0x292/0xe90 [ 993.269856] [] ? out_of_memory+0x410/0xe90 [ 993.269864] [] ? oom_killer_disable+0x200/0x200 [ 993.269871] [] ? trace_hardirqs_on+0xd/0x10 [ 993.269878] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 993.269886] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 993.269893] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 993.269902] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 993.269909] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 993.269917] [] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 993.269925] [] __vmalloc_node_range+0x25b/0x600 [ 993.269933] [] ? xt_alloc_table_info+0xc9/0x100 [ 993.269939] [] vmalloc+0x5b/0x70 [ 993.269946] [] ? xt_alloc_table_info+0xc9/0x100 [ 993.269953] [] xt_alloc_table_info+0xc9/0x100 [ 993.269961] [] do_ip6t_set_ctl+0x235/0x470 [ 993.269968] [] ? compat_do_ip6t_set_ctl+0x140/0x140 [ 993.269976] [] ? mutex_unlock+0x9/0x10 [ 993.269984] [] ? nf_sockopt_find.constprop.0+0x1b1/0x230 [ 993.269991] [] nf_setsockopt+0x6d/0xc0 [ 993.269999] [] ipv6_setsockopt+0xc8/0x130 [ 993.270005] [] udpv6_setsockopt+0x4a/0x90 [ 993.270012] [] sock_common_setsockopt+0x9a/0xe0 [ 993.270019] [] SyS_setsockopt+0x166/0x260 [ 993.270026] [] ? SyS_recv+0x40/0x40 [ 993.270034] [] ? SyS_clock_gettime+0x11e/0x1f0 [ 993.270041] [] ? SyS_clock_settime+0x220/0x220 [ 993.270047] [] ? do_syscall_64+0x48/0x550 [ 993.270054] [] ? SyS_recv+0x40/0x40 [ 993.270060] [] do_syscall_64+0x19f/0x550 [ 993.270067] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 993.270071] Mem-Info: [ 993.270086] active_anon:5066 inactive_anon:42 isolated_anon:0 [ 993.270086] active_file:5 inactive_file:36 isolated_file:0 [ 993.270086] unevictable:0 dirty:0 writeback:0 unstable:0 [ 993.270086] slab_reclaimable:4103 slab_unreclaimable:57788 [ 993.270086] mapped:8 shmem:48 pagetables:423 bounce:0 [ 993.270086] free:139 free_pcp:0 free_cma:0 [ 993.270098] Node 0 active_anon:20264kB inactive_anon:168kB active_file:20kB inactive_file:144kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 993.270115] 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 [ 993.270139] Normal free:556kB min:5580kB low:9168kB high:12756kB active_anon:20264kB inactive_anon:168kB active_file:20kB inactive_file:144kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16412kB slab_unreclaimable:231152kB kernel_stack:4384kB pagetables:1692kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 993.270172] 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: 37*4kB (MH) 15*8kB (MH) 3*16kB (H) 6*32kB (H) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 572kB 89 total pagecache pages [ 993.270210] 0 pages in swap cache [ 993.270214] Swap cache stats: add 0, delete 0, find 0/0 [ 993.270216] Free swap = 0kB [ 993.270217] Total swap = 0kB [ 993.270219] 1965979 pages RAM [ 993.270221] 0 pages HighMem/MovableOnly [ 993.270223] 313617 pages reserved [ 993.270229] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 993.270234] cache: ip6_dst_cache, object size: 384, buffer size: 448, default order: 1, min order: 0 [ 993.270238] node 0: slabs: 19, objs: 342, free: 0 [ 993.347198] syz-executor.2: page allocation failure: order:0, mode:0x2284020(GFP_ATOMIC|__GFP_COMP|__GFP_NOTRACK) [ 993.347206] CPU: 1 PID: 2429 Comm: syz-executor.2 Not tainted 4.9.141+ #1 [ 993.347220] ffff8801db707418 ffffffff81b42e79 1ffff1003b6e0e85 ffff8801c6b62f80 [ 993.347229] ffffffff82a974e0 0000000000000000 0000000002284020 ffff8801db707560 [ 993.347242] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 993.347244] Call Trace: [ 993.347260] [ 993.347260] [] dump_stack+0xc1/0x128 [ 993.347269] [] warn_alloc.cold.31+0x7f/0x9c [ 993.347278] [] ? zone_watermark_ok_safe+0x250/0x250 [ 993.347286] [] ? get_page_from_freelist+0x23e/0x1d80 [ 993.347294] [] ? __lock_acquire+0x654/0x4a10 [ 993.347302] [] __alloc_pages_nodemask+0x628/0x1bd0 [ 993.347311] [] ? kvm_sched_clock_read+0x9/0x20 [ 993.347318] [] ? sched_clock+0x9/0x10 [ 993.347325] [] ? down_trylock+0x50/0x70 [ 993.347333] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 993.347339] [] ? __unwind_start+0x14d/0x3b0 [ 993.347347] [] ? get_stack_info+0x37/0x120 [ 993.347355] [] ? update_stack_state.constprop.2+0x7c/0x170 [ 993.347360] [] ? __unwind_start+0x14d/0x3b0 [ 993.347367] [] ? unwind_next_frame+0x7d/0xd0 [ 993.347374] [] new_slab+0x367/0x3d0 [ 993.347382] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 993.347390] [] ? dst_alloc+0xb5/0x1a0 [ 993.347397] [] ? kasan_kmalloc+0xaf/0xc0 [ 993.347403] [] ? kasan_slab_alloc+0x12/0x20 [ 993.347410] [] ? __kmalloc_track_caller+0xf0/0x2d0 [ 993.347419] [] ? __kmalloc_reserve.isra.5+0x33/0xc0 ** 204 printk messages dropped ** [ 993.348849] [] ? vprintk_emit+0x282/0x790 ** 175 printk messages dropped ** [ 993.350048] Mem-Info: [ 993.350061] active_anon:5066 inactive_anon:42 isolated_anon:0 [ 993.350061] active_file:5 inactive_file:36 isolated_file:0 [ 993.350061] unevictable:0 dirty:0 writeback:0 unstable:0 [ 993.350061] slab_reclaimable:4103 slab_unreclaimable:57788 [ 993.350061] mapped:8 shmem:48 pagetables:423 bounce:0 [ 993.350061] free:139 free_pcp:0 free_cma:0 [ 993.350073] Node 0 active_anon:20264kB inactive_anon:168kB active_file:20kB inactive_file:144kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 993.350087] 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 [ 993.350109] Normal free:556kB min:5580kB low:9168kB high:12756kB active_anon:20264kB inactive_anon:168kB active_file:20kB inactive_file:144kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16412kB slab_unreclaimable:231152kB kernel_stack:4384kB pagetables:1692kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 993.350138] DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB ** 53 printk messages dropped ** [ 993.425065] [] ndisc_send_rs+0x2ff/0x670 [ 993.425070] [] ? __ipv6_get_lladdr+0x250/0x250 [ 993.425074] [] addrconf_rs_timer+0x27e/0x5a0 [ 993.425079] [] ? ipv6_get_lladdr+0x440/0x440 [ 993.425084] [] call_timer_fn+0x163/0x6e0 [ 993.425088] [] ? call_timer_fn+0xda/0x6e0 [ 993.425093] [] ? ipv6_get_lladdr+0x440/0x440 [ 993.425097] [] ? process_timeout+0x20/0x20 [ 993.425101] [] ? mark_held_locks+0xc7/0x130 [ 993.425107] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 993.425111] [] ? ipv6_get_lladdr+0x440/0x440 [ 993.425116] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 993.425120] [] ? ipv6_get_lladdr+0x440/0x440 [ 993.425124] [] expire_timers+0x234/0x580 [ 993.425129] [] ? collect_expired_timers+0x1d5/0x2b0 [ 993.425133] [] run_timer_softirq+0x208/0x5e0 [ 993.425138] [] ? expire_timers+0x580/0x580 [ 993.425143] [] ? check_preemption_disabled+0x3b/0x200 [ 993.425149] [] __do_softirq+0x20e/0x964 [ 993.425154] [] ? check_preemption_disabled+0x3b/0x200 [ 993.425158] [] irq_exit+0x11c/0x150 [ 993.425163] [] smp_apic_timer_interrupt+0x81/0xb0 [ 993.425168] [] apic_timer_interrupt+0x9d/0xb0 [ 993.425174] [ 993.425175] [] ? lock_release+0x557/0xc20 [ 993.425180] [] ? find_lock_task_mm+0xf1/0x270 [ 993.425185] [] ? find_lock_task_mm+0xf1/0x270 [ 993.425190] [] find_lock_task_mm+0x15b/0x270 [ 993.425194] [] ? wake_oom_reaper+0xf0/0xf0 [ 993.425199] [] lowmem_scan+0x34f/0xaf0 [ 993.425203] [] ? lowmem_scan+0x24e/0xaf0 [ 993.425208] [] ? check_preemption_disabled+0x3b/0x200 [ 993.425214] [] shrink_slab.part.8+0x3c6/0xa00 [ 993.425220] [] ? unregister_shrinker+0x230/0x230 [ 993.425225] [] shrink_node+0x1ed/0x740 [ 993.425236] [] ? shrink_node_memcg.isra.19+0x12e0/0x12e0 [ 993.425243] [] ? __delayacct_freepages_start+0x41/0x80 [ 993.425248] [] try_to_free_pages+0x377/0xb80 [ 993.425253] [] ? shrink_node+0x740/0x740 [ 993.425259] [] __alloc_pages_nodemask+0x981/0x1bd0 [ 993.425265] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 993.425270] [] ? find_get_entry+0x11a/0x570 [ 993.425275] [] ? __radix_tree_lookup+0x18c/0x230 [ 993.425280] [] ? check_preemption_disabled+0x3b/0x200 [ 993.425285] [] ? find_get_entry+0x11a/0x570 [ 993.425291] [] ? __find_get_block_slow+0x263/0x330 ** 32 printk messages dropped ** [ 993.425464] [] ? __switch_to_asm+0x34/0x70 [ 993.425468] [] ? kthread_park+0xa0/0xa0 [ 993.425473] [] ? kthread_park+0xa0/0xa0 [ 993.425478] [] ret_from_fork+0x5c/0x70 [ 993.425480] Mem-Info: [ 993.425493] active_anon:5066 inactive_anon:42 isolated_anon:0 [ 993.425493] active_file:5 inactive_file:36 isolated_file:0 [ 993.425493] unevictable:0 dirty:0 writeback:0 unstable:0 [ 993.425493] slab_reclaimable:4103 slab_unreclaimable:57788 [ 993.425493] mapped:8 shmem:48 pagetables:423 bounce:0 [ 993.425493] free:139 free_pcp:0 free_cma:0 [ 993.425501] Node 0 active_anon:20264kB inactive_anon:168kB active_file:20kB inactive_file:144kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 993.425513] 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 [ 993.425529] Normal free:556kB min:5580kB low:9168kB high:12756kB active_anon:20264kB inactive_anon:168kB active_file:20kB inactive_file:144kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16412kB slab_unreclaimable:231152kB kernel_stack:4384kB pagetables:1692kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 993.425556] 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: 37*4kB (MH) 15*8kB (MH) 3*16kB (H) 6*32kB (H) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 572kB 89 total pagecache pages [ 993.425582] 0 pages in swap cache [ 993.425584] Swap cache stats: add 0, delete 0, find 0/0 [ 993.425586] Free swap = 0kB ** 46 printk messages dropped ** [ 993.505056] [] ndisc_send_rs+0x2ff/0x670 [ 993.505062] [] ? __ipv6_get_lladdr+0x250/0x250 [ 993.505068] [] addrconf_rs_timer+0x27e/0x5a0 [ 993.505074] [] ? ipv6_get_lladdr+0x440/0x440 [ 993.505081] [] call_timer_fn+0x163/0x6e0 [ 993.505087] [] ? call_timer_fn+0xda/0x6e0 [ 993.505094] [] ? ipv6_get_lladdr+0x440/0x440 [ 993.505100] [] ? process_timeout+0x20/0x20 [ 993.505106] [] ? mark_held_locks+0xc7/0x130 [ 993.505114] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 993.505120] [] ? ipv6_get_lladdr+0x440/0x440 [ 993.505127] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 993.505133] [] ? ipv6_get_lladdr+0x440/0x440 [ 993.505139] [] expire_timers+0x234/0x580 [ 993.505146] [] ? collect_expired_timers+0x1d5/0x2b0 [ 993.505153] [] run_timer_softirq+0x208/0x5e0 [ 993.505159] [] ? expire_timers+0x580/0x580 [ 993.505167] [] ? check_preemption_disabled+0x3b/0x200 [ 993.505176] [] __do_softirq+0x20e/0x964 [ 993.505183] [] ? check_preemption_disabled+0x3b/0x200 [ 993.505190] [] irq_exit+0x11c/0x150 [ 993.505197] [] smp_apic_timer_interrupt+0x81/0xb0 [ 993.505204] [] apic_timer_interrupt+0x9d/0xb0 [ 993.505214] [ 993.505214] [] ? lock_acquire+0x173/0x3e0 [ 993.505222] [] ? find_lock_task_mm+0xf1/0x270 [ 993.505236] [] ? check_preemption_disabled+0x3b/0x200 [ 993.505243] [] ? wake_oom_reaper+0xf0/0xf0 [ 993.505253] [] _raw_spin_lock+0x36/0x50 [ 993.505260] [] ? find_lock_task_mm+0xf1/0x270 [ 993.505266] [] find_lock_task_mm+0xf1/0x270 [ 993.505273] [] ? wake_oom_reaper+0xf0/0xf0 [ 993.505280] [] lowmem_scan+0x34f/0xaf0 [ 993.505286] [] ? lowmem_scan+0x24e/0xaf0 [ 993.505293] [] ? check_preemption_disabled+0x3b/0x200 [ 993.505302] [] shrink_slab.part.8+0x3c6/0xa00 [ 993.505310] [] ? unregister_shrinker+0x230/0x230 [ 993.505317] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 993.505324] [] shrink_node+0x1ed/0x740 [ 993.505332] [] ? shrink_node_memcg.isra.19+0x12e0/0x12e0 [ 993.505341] [] ? __delayacct_freepages_start+0x41/0x80 [ 993.505349] [] try_to_free_pages+0x377/0xb80 ** 208 printk messages dropped ** [ 993.507010] [] ndisc_send_rs+0x2ff/0x670 ** 160 printk messages dropped ** [ 1008.131123] DMA32: 21*4kB (UM) 18*8kB (ME) 9*16kB (ME) 18*32kB (UME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18676kB Normal: 294*4kB (UMH) 161*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5456kB 116 total pagecache pages [ 1008.131168] 0 pages in swap cache [ 1008.131172] Swap cache stats: add 0, delete 0, find 0/0 [ 1008.131174] Free swap = 0kB [ 1008.131177] Total swap = 0kB [ 1008.131179] 1965979 pages RAM [ 1008.131181] 0 pages HighMem/MovableOnly [ 1008.131183] 313617 pages reserved [ 1008.207037] syz-executor.3: page allocation stalls for 10020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1008.207045] CPU: 1 PID: 2233 Comm: syz-executor.3 Not tainted 4.9.141+ #1 [ 1008.207061] ffff8801c88e77c0 ffffffff81b42e79 1ffff1003911cefa ffff8801c8f097c0 [ 1008.207071] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c88e7908 [ 1008.207081] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1008.207083] Call Trace: [ 1008.207098] [] dump_stack+0xc1/0x128 [ 1008.207108] [] warn_alloc.cold.31+0x7f/0x9c [ 1008.207118] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1008.207126] [] ? shrink_node+0x740/0x740 [ 1008.207135] [] __alloc_pages_nodemask+0x1566/0x1bd0 ** 42 printk messages dropped ** [ 1008.216374] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3077908 [ 1008.216384] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1008.216386] Call Trace: [ 1008.216396] [] dump_stack+0xc1/0x128 [ 1008.216404] [] warn_alloc.cold.31+0x7f/0x9c [ 1008.216412] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1008.216420] [] ? shrink_node+0x740/0x740 [ 1008.216429] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1008.216436] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1008.216445] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1008.216453] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1008.216460] [] ? find_get_entry+0x11a/0x570 [ 1008.216467] [] ? find_get_entry+0x141/0x570 [ 1008.216474] [] ? page_cache_prev_hole+0x80/0x80 [ 1008.216481] [] ? autoremove_wake_function+0x40/0x40 [ 1008.216489] [] ? pagecache_get_page+0x131/0x710 [ 1008.216496] [] filemap_fault+0xaf1/0x1110 [ 1008.216504] [] ext4_filemap_fault+0x71/0xa0 [ 1008.216511] [] __do_fault+0x223/0x500 [ 1008.216518] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1008.216525] [] ? handle_mm_fault+0x1d4f/0x2350 [ 1008.216532] [] handle_mm_fault+0x1326/0x2350 [ 1008.216540] [] ? ep_poll+0x18f/0xb20 [ 1008.216547] [] ? vm_insert_page+0x6f0/0x6f0 [ 1008.216554] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1008.216562] [] __do_page_fault+0x403/0xa60 [ 1008.216570] [] ? __fget_light+0x169/0x1f0 [ 1008.216578] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1008.216586] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1008.216593] [] do_page_fault+0x27/0x30 [ 1008.216601] [] page_fault+0x25/0x30 [ 1008.216604] Mem-Info: [ 1008.216619] active_anon:5067 inactive_anon:42 isolated_anon:0 [ 1008.216619] active_file:19 inactive_file:48 isolated_file:0 [ 1008.216619] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1008.216619] slab_reclaimable:4111 slab_unreclaimable:57853 [ 1008.216619] mapped:33 shmem:48 pagetables:423 bounce:0 [ 1008.216619] free:6033 free_pcp:119 free_cma:0 ** 37 printk messages dropped ** [ 1008.227077] [] ? handle_mm_fault+0x1d4f/0x2350 [ 1008.227085] [] handle_mm_fault+0x1326/0x2350 [ 1008.227092] [] ? vm_insert_page+0x6f0/0x6f0 [ 1008.227100] [] ? hrtimer_nanosleep+0x38c/0x550 [ 1008.227108] [] __do_page_fault+0x403/0xa60 [ 1008.227116] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1008.227124] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1008.227131] [] do_page_fault+0x27/0x30 [ 1008.227138] [] page_fault+0x25/0x30 [ 1008.227141] Mem-Info: [ 1008.227157] active_anon:5067 inactive_anon:42 isolated_anon:0 [ 1008.227157] active_file:19 inactive_file:48 isolated_file:0 [ 1008.227157] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1008.227157] slab_reclaimable:4111 slab_unreclaimable:57853 [ 1008.227157] mapped:33 shmem:48 pagetables:423 bounce:0 [ 1008.227157] free:6033 free_pcp:119 free_cma:0 [ 1008.227170] Node 0 active_anon:20268kB inactive_anon:168kB active_file:76kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:132kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes [ 1008.227187] DMA32 free:18676kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:40kB inactive_file:104kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:156kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB ** 46 printk messages dropped ** [ 1008.236511] Node 0 active_anon:20268kB inactive_anon:168kB active_file:76kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:132kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes [ 1008.236528] DMA32 free:18676kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:40kB inactive_file:104kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:156kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1008.236555] Normal free:5456kB min:5580kB low:9168kB high:12756kB active_anon:20268kB inactive_anon:168kB active_file:36kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16428kB slab_unreclaimable:231256kB kernel_stack:4224kB pagetables:1692kB bounce:0kB free_pcp:356kB local_pcp:116kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1008.236608] DMA32: 21*4kB (UM) 18*8kB (ME) 9*16kB (ME) 18*32kB (UME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18676kB Normal: 294*4kB (UMH) 161*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5456kB 116 total pagecache pages [ 1008.236653] 0 pages in swap cache [ 1008.236657] Swap cache stats: add 0, delete 0, find 0/0 [ 1008.236659] Free swap = 0kB [ 1008.236661] Total swap = 0kB [ 1008.236664] 1965979 pages RAM [ 1008.236666] 0 pages HighMem/MovableOnly [ 1008.236668] 313617 pages reserved [ 1008.247985] syz-executor.0: page allocation stalls for 10090ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1008.247991] CPU: 0 PID: 2234 Comm: syz-executor.0 Not tainted 4.9.141+ #1 [ 1008.248004] ffff8801c88df7c0 ffffffff81b42e79 1ffff1003911befa ffff8801c93a17c0 [ 1008.248014] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c88df908 [ 1008.248024] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1008.248026] Call Trace: [ 1008.248035] [] dump_stack+0xc1/0x128 [ 1008.248043] [] warn_alloc.cold.31+0x7f/0x9c [ 1008.248051] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1008.248059] [] ? shrink_node+0x740/0x740 [ 1008.248068] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1008.248075] [] ? debug_lockdep_rcu_enabled+0x77/0x90 ** 28 printk messages dropped ** [ 1008.248392] 116 total pagecache pages ** 261 printk messages dropped ** [ 1018.138555] Normal: 294*4kB (UMH) 161*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5456kB ** 47 printk messages dropped ** [ 1018.184240] Normal: 294*4kB (UMH) 161*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5456kB 116 total pagecache pages [ 1018.184245] 0 pages in swap cache [ 1018.184249] Swap cache stats: add 0, delete 0, find 0/0 [ 1018.184251] Free swap = 0kB [ 1018.184253] Total swap = 0kB [ 1018.184255] 1965979 pages RAM [ 1018.184257] 0 pages HighMem/MovableOnly [ 1018.184260] 313617 pages reserved [ 1018.218060] udevd: page allocation stalls for 20090ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1018.218068] CPU: 0 PID: 470 Comm: udevd Not tainted 4.9.141+ #1 [ 1018.218082] ffff8801d30777c0 ffffffff81b42e79 1ffff1003a60eefa ffff8801d3be17c0 [ 1018.218093] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3077908 [ 1018.218102] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1018.218104] Call Trace: [ 1018.218118] [] dump_stack+0xc1/0x128 [ 1018.218126] [] warn_alloc.cold.31+0x7f/0x9c [ 1018.218135] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1018.218144] [] ? shrink_node+0x740/0x740 [ 1018.218153] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1018.218161] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1018.218170] [] ? gfp_pfmemalloc_allowed+0x110/0x110 ** 32 printk messages dropped ** [ 1018.218517] Swap cache stats: add 0, delete 0, find 0/0 ** 5 printk messages dropped ** [ 1018.224820] syz-executor.3: page allocation stalls for 20040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1018.224827] CPU: 0 PID: 2233 Comm: syz-executor.3 Not tainted 4.9.141+ #1 [ 1018.224840] ffff8801c88e77c0 ffffffff81b42e79 1ffff1003911cefa ffff8801c8f097c0 [ 1018.224849] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c88e7908 [ 1018.224859] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1018.224860] Call Trace: [ 1018.224871] [] dump_stack+0xc1/0x128 [ 1018.224879] [] warn_alloc.cold.31+0x7f/0x9c [ 1018.224887] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1018.224895] [] ? shrink_node+0x740/0x740 [ 1018.224904] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1018.224911] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1018.224920] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1018.224929] [] ? check_preemption_disabled+0x3b/0x200 [ 1018.224936] [] ? find_get_entry+0x11a/0x570 [ 1018.224943] [] ? find_get_entry+0x141/0x570 [ 1018.224950] [] ? page_cache_prev_hole+0x80/0x80 [ 1018.224957] [] ? autoremove_wake_function+0x40/0x40 [ 1018.224965] [] ? pagecache_get_page+0x131/0x710 [ 1018.224973] [] filemap_fault+0xaf1/0x1110 [ 1018.224980] [] ext4_filemap_fault+0x71/0xa0 [ 1018.224987] [] __do_fault+0x223/0x500 [ 1018.224994] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1018.225001] [] ? handle_mm_fault+0x1d4f/0x2350 [ 1018.225008] [] handle_mm_fault+0x1326/0x2350 [ 1018.225015] [] ? vm_insert_page+0x6f0/0x6f0 [ 1018.225023] [] ? hrtimer_nanosleep+0x38c/0x550 [ 1018.225030] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1018.225038] [] __do_page_fault+0x403/0xa60 [ 1018.225045] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1018.225054] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1018.225061] [] do_page_fault+0x27/0x30 [ 1018.225069] [] page_fault+0x25/0x30 [ 1018.225072] Mem-Info: [ 1018.225087] active_anon:5067 inactive_anon:42 isolated_anon:0 [ 1018.225087] active_file:19 inactive_file:48 isolated_file:0 [ 1018.225087] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1018.225087] slab_reclaimable:4111 slab_unreclaimable:57854 [ 1018.225087] mapped:33 shmem:48 pagetables:423 bounce:0 [ 1018.225087] free:6033 free_pcp:117 free_cma:0 [ 1018.225106] Node 0 active_anon:20268kB inactive_anon:168kB active_file:76kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:132kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes ** 23 printk messages dropped ** [ 1018.236041] [] ? shrink_node+0x740/0x740 ** 6 printk messages dropped ** [ 1018.236096] [] ? page_cache_prev_hole+0x80/0x80 [ 1018.236104] [] ? pagecache_get_page+0x131/0x710 [ 1018.236112] [] filemap_fault+0xaf1/0x1110 [ 1018.236119] [] ext4_filemap_fault+0x71/0xa0 [ 1018.236126] [] __do_fault+0x223/0x500 [ 1018.236133] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1018.236140] [] ? handle_mm_fault+0x1d4f/0x2350 [ 1018.236148] [] handle_mm_fault+0x1326/0x2350 [ 1018.236155] [] ? vm_insert_page+0x6f0/0x6f0 [ 1018.236163] [] ? hrtimer_nanosleep+0x38c/0x550 [ 1018.236171] [] __do_page_fault+0x403/0xa60 [ 1018.236179] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1018.236187] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1018.236194] [] do_page_fault+0x27/0x30 [ 1018.236201] [] page_fault+0x25/0x30 [ 1018.236204] Mem-Info: [ 1018.236220] active_anon:5067 inactive_anon:42 isolated_anon:0 [ 1018.236220] active_file:19 inactive_file:48 isolated_file:0 [ 1018.236220] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1018.236220] slab_reclaimable:4111 slab_unreclaimable:57854 [ 1018.236220] mapped:33 shmem:48 pagetables:423 bounce:0 [ 1018.236220] free:6033 free_pcp:117 free_cma:0 [ 1018.236233] Node 0 active_anon:20268kB inactive_anon:168kB active_file:76kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:132kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes [ 1018.236251] DMA32 free:18676kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:40kB inactive_file:104kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:156kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB ** 36 printk messages dropped ** [ 1018.254074] [] handle_mm_fault+0x1326/0x2350 [ 1018.254081] [] ? vm_insert_page+0x6f0/0x6f0 [ 1018.254089] [] ? hrtimer_nanosleep+0x38c/0x550 [ 1018.254097] [] __do_page_fault+0x403/0xa60 [ 1018.254105] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1018.254114] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1018.254121] [] do_page_fault+0x27/0x30 [ 1018.254128] [] page_fault+0x25/0x30 [ 1018.254132] Mem-Info: [ 1018.254148] active_anon:5067 inactive_anon:42 isolated_anon:0 [ 1018.254148] active_file:19 inactive_file:48 isolated_file:0 [ 1018.254148] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1018.254148] slab_reclaimable:4111 slab_unreclaimable:57854 [ 1018.254148] mapped:33 shmem:48 pagetables:423 bounce:0 [ 1018.254148] free:6033 free_pcp:117 free_cma:0 [ 1018.254161] Node 0 active_anon:20268kB inactive_anon:168kB active_file:76kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:132kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes [ 1018.254179] DMA32 free:18676kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:40kB inactive_file:104kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:156kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1018.254204] Normal free:5456kB min:5580kB low:9168kB high:12756kB active_anon:20268kB inactive_anon:168kB active_file:36kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16428kB slab_unreclaimable:231260kB kernel_stack:4224kB pagetables:1692kB bounce:0kB free_pcp:348kB local_pcp:112kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1018.254258] DMA32: 21*4kB (UM) 18*8kB (ME) 9*16kB (ME) 18*32kB (UME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18676kB Normal: 294*4kB (UMH) 161*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5456kB 116 total pagecache pages [ 1018.254303] 0 pages in swap cache [ 1018.254312] Swap cache stats: add 0, delete 0, find 0/0 [ 1018.254314] Free swap = 0kB [ 1018.254316] Total swap = 0kB [ 1018.254318] 1965979 pages RAM [ 1018.254320] 0 pages HighMem/MovableOnly [ 1018.254323] 313617 pages reserved [ 1018.274635] syz-executor.4: page allocation stalls for 20060ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1018.274642] CPU: 0 PID: 2237 Comm: syz-executor.4 Not tainted 4.9.141+ #1 [ 1018.274655] ffff8801ca33f7c0 ffffffff81b42e79 1ffff10039467efa ffff8801c8ea2f80 [ 1018.274665] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca33f908 ** 31 printk messages dropped ** [ 1018.274977] lowmem_reserve[]: 0 3505 3505 ** 95 printk messages dropped ** [ 1019.868334] [] page_fault+0x25/0x30 ** 214 printk messages dropped ** [ 1028.166356] lowmem_reserve[]: 0 3505 3505 [ 1028.166374] Normal free:5448kB min:5580kB low:9168kB high:12756kB active_anon:20268kB inactive_anon:168kB active_file:36kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16428kB slab_unreclaimable:231280kB kernel_stack:4224kB pagetables:1692kB bounce:0kB free_pcp:340kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1028.166434] DMA32: 21*4kB (UM) 18*8kB (ME) 10*16kB (UME) 17*32kB (ME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18660kB Normal: 294*4kB (UMH) 160*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5448kB 116 total pagecache pages [ 1028.166478] 0 pages in swap cache [ 1028.166482] Swap cache stats: add 0, delete 0, find 0/0 [ 1028.166484] Free swap = 0kB [ 1028.166486] Total swap = 0kB [ 1028.166489] 1965979 pages RAM [ 1028.166491] 0 pages HighMem/MovableOnly [ 1028.166493] 313617 pages reserved [ 1028.175394] rsyslogd: page allocation stalls for 30090ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1028.175401] CPU: 0 PID: 1891 Comm: rsyslogd Not tainted 4.9.141+ #1 [ 1028.175414] ffff8801d3b477c0 ffffffff81b42e79 1ffff1003a768efa ffff8801d43997c0 [ 1028.175423] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3b47908 [ 1028.175433] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1028.175435] Call Trace: [ 1028.175444] [] dump_stack+0xc1/0x128 ** 31 printk messages dropped ** [ 1028.175716] lowmem_reserve[]: 0 0 0 [ 1028.175762] DMA32: 21*4kB (UM) 18*8kB (ME) 10*16kB (UME) 17*32kB (ME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18660kB ** 4 printk messages dropped ** [ 1028.175813] Free swap = 0kB [ 1028.175815] Total swap = 0kB [ 1028.175817] 1965979 pages RAM [ 1028.175820] 0 pages HighMem/MovableOnly [ 1028.175822] 313617 pages reserved [ 1028.208089] syz-executor.1: page allocation stalls for 30020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1028.208097] CPU: 1 PID: 2238 Comm: syz-executor.1 Not tainted 4.9.141+ #1 [ 1028.208112] ffff8801c97df7c0 ffffffff81b42e79 1ffff100392fbefa ffff8801c93a4740 [ 1028.208123] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c97df908 [ 1028.208132] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1028.208134] Call Trace: [ 1028.208148] [] dump_stack+0xc1/0x128 [ 1028.208157] [] warn_alloc.cold.31+0x7f/0x9c [ 1028.208166] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1028.208175] [] ? shrink_node+0x740/0x740 [ 1028.208184] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1028.208192] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1028.208201] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1028.208209] [] ? check_preemption_disabled+0x3b/0x200 [ 1028.208217] [] ? find_get_entry+0x11a/0x570 [ 1028.208224] [] ? find_get_entry+0x141/0x570 [ 1028.208231] [] ? page_cache_prev_hole+0x80/0x80 [ 1028.208238] [] ? pagecache_get_page+0x131/0x710 [ 1028.208246] [] filemap_fault+0xaf1/0x1110 [ 1028.208254] [] ext4_filemap_fault+0x71/0xa0 [ 1028.208261] [] __do_fault+0x223/0x500 [ 1028.208268] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1028.208275] [] ? handle_mm_fault+0x1d4f/0x2350 [ 1028.208283] [] handle_mm_fault+0x1326/0x2350 [ 1028.208290] [] ? vm_insert_page+0x6f0/0x6f0 [ 1028.208298] [] ? hrtimer_nanosleep+0x38c/0x550 [ 1028.208307] [] __do_page_fault+0x403/0xa60 [ 1028.208315] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1028.208324] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1028.208331] [] do_page_fault+0x27/0x30 [ 1028.208339] [] page_fault+0x25/0x30 [ 1028.208342] Mem-Info: [ 1028.208359] active_anon:5067 inactive_anon:42 isolated_anon:0 [ 1028.208359] active_file:19 inactive_file:48 isolated_file:0 [ 1028.208359] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1028.208359] slab_reclaimable:4111 slab_unreclaimable:57863 [ 1028.208359] mapped:33 shmem:48 pagetables:423 bounce:0 [ 1028.208359] free:6027 free_pcp:115 free_cma:0 ** 33 printk messages dropped ** [ 1028.228872] [] ? pagecache_get_page+0x131/0x710 [ 1028.228880] [] filemap_fault+0xaf1/0x1110 [ 1028.228888] [] ext4_filemap_fault+0x71/0xa0 [ 1028.228895] [] __do_fault+0x223/0x500 [ 1028.228902] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1028.228910] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1028.228916] [] handle_mm_fault+0x1326/0x2350 [ 1028.228923] [] ? vm_insert_page+0x6f0/0x6f0 [ 1028.228931] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1028.228939] [] __do_page_fault+0x403/0xa60 [ 1028.228946] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1028.228955] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1028.228962] [] do_page_fault+0x27/0x30 [ 1028.228969] [] page_fault+0x25/0x30 [ 1028.228972] Mem-Info: [ 1028.228988] active_anon:5067 inactive_anon:42 isolated_anon:0 [ 1028.228988] active_file:19 inactive_file:48 isolated_file:0 [ 1028.228988] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1028.228988] slab_reclaimable:4111 slab_unreclaimable:57863 [ 1028.228988] mapped:33 shmem:48 pagetables:423 bounce:0 [ 1028.228988] free:6027 free_pcp:115 free_cma:0 [ 1028.229001] Node 0 active_anon:20268kB inactive_anon:168kB active_file:76kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:132kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes [ 1028.229019] DMA32 free:18660kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:40kB inactive_file:104kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:172kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB ** 44 printk messages dropped ** [ 1028.236003] [] do_page_fault+0x27/0x30 [ 1028.236010] [] page_fault+0x25/0x30 [ 1028.236013] Mem-Info: [ 1028.236029] active_anon:5067 inactive_anon:42 isolated_anon:0 [ 1028.236029] active_file:19 inactive_file:48 isolated_file:0 [ 1028.236029] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1028.236029] slab_reclaimable:4111 slab_unreclaimable:57863 [ 1028.236029] mapped:33 shmem:48 pagetables:423 bounce:0 [ 1028.236029] free:6027 free_pcp:115 free_cma:0 [ 1028.236042] Node 0 active_anon:20268kB inactive_anon:168kB active_file:76kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:132kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes [ 1028.236059] DMA32 free:18660kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:40kB inactive_file:104kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:172kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1028.236085] Normal free:5448kB min:5580kB low:9168kB high:12756kB active_anon:20268kB inactive_anon:168kB active_file:36kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16428kB slab_unreclaimable:231280kB kernel_stack:4224kB pagetables:1692kB bounce:0kB free_pcp:340kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1028.236138] DMA32: 21*4kB (UM) 18*8kB (ME) 10*16kB (UME) 17*32kB (ME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18660kB Normal: 294*4kB (UMH) 160*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5448kB 116 total pagecache pages [ 1028.236182] 0 pages in swap cache [ 1028.236186] Swap cache stats: add 0, delete 0, find 0/0 [ 1028.236188] Free swap = 0kB [ 1028.236190] Total swap = 0kB [ 1028.236193] 1965979 pages RAM [ 1028.236195] 0 pages HighMem/MovableOnly [ 1028.236197] 313617 pages reserved [ 1028.249884] syz-executor.4: page allocation stalls for 30040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1028.249892] CPU: 1 PID: 2237 Comm: syz-executor.4 Not tainted 4.9.141+ #1 [ 1028.249906] ffff8801ca33f7c0 ffffffff81b42e79 1ffff10039467efa ffff8801c8ea2f80 [ 1028.249916] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca33f908 [ 1028.249926] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1028.249927] Call Trace: [ 1028.249938] [] dump_stack+0xc1/0x128 [ 1028.249946] [] warn_alloc.cold.31+0x7f/0x9c [ 1028.249955] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1028.249963] [] ? shrink_node+0x740/0x740 [ 1028.249972] [] __alloc_pages_nodemask+0x1566/0x1bd0 ** 74 printk messages dropped ** [ 1028.322583] lowmem_reserve[]: 0 0 0 ** 85 printk messages dropped ** [ 1032.965159] [] ? page_cache_prev_hole+0x80/0x80 ** 175 printk messages dropped ** [ 1038.173828] lowmem_reserve[]: 0 0 0 [ 1038.173876] DMA32: 21*4kB (UM) 18*8kB (ME) 10*16kB (UME) 17*32kB (ME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18660kB Normal: 294*4kB (UMH) 160*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5448kB 116 total pagecache pages [ 1038.173921] 0 pages in swap cache [ 1038.173925] Swap cache stats: add 0, delete 0, find 0/0 [ 1038.173927] Free swap = 0kB [ 1038.173929] Total swap = 0kB [ 1038.173931] 1965979 pages RAM [ 1038.173933] 0 pages HighMem/MovableOnly [ 1038.173935] 313617 pages reserved [ 1038.185153] udevd: page allocation stalls for 40060ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1038.185160] CPU: 0 PID: 470 Comm: udevd Not tainted 4.9.141+ #1 [ 1038.185174] ffff8801d30777c0 ffffffff81b42e79 1ffff1003a60eefa ffff8801d3be17c0 [ 1038.185184] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3077908 [ 1038.185194] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1038.185196] Call Trace: [ 1038.185211] [] dump_stack+0xc1/0x128 [ 1038.185219] [] warn_alloc.cold.31+0x7f/0x9c [ 1038.185227] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1038.185236] [] ? shrink_node+0x740/0x740 [ 1038.185245] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1038.185253] [] ? debug_lockdep_rcu_enabled+0x77/0x90 ** 28 printk messages dropped ** [ 1038.185506] lowmem_reserve[]: 0 0 0 [ 1038.185553] DMA32: 21*4kB (UM) 18*8kB (ME) 10*16kB (UME) 17*32kB (ME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18660kB Normal: 294*4kB (UMH) 160*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5448kB 116 total pagecache pages [ 1038.185598] 0 pages in swap cache [ 1038.185602] Swap cache stats: add 0, delete 0, find 0/0 [ 1038.185604] Free swap = 0kB [ 1038.185606] Total swap = 0kB [ 1038.185608] 1965979 pages RAM [ 1038.185610] 0 pages HighMem/MovableOnly [ 1038.185613] 313617 pages reserved [ 1038.207351] syz-execprog: page allocation stalls for 40010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1038.207359] CPU: 1 PID: 2210 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1038.207373] ffff8801c8c4f7c0 ffffffff81b42e79 1ffff10039189efa ffff8801c94a0000 [ 1038.207383] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c8c4f908 [ 1038.207393] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1038.207394] Call Trace: [ 1038.207407] [] dump_stack+0xc1/0x128 [ 1038.207415] [] warn_alloc.cold.31+0x7f/0x9c [ 1038.207424] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1038.207432] [] ? shrink_node+0x740/0x740 [ 1038.207441] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1038.207449] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1038.207458] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1038.207466] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1038.207473] [] ? find_get_entry+0x11a/0x570 [ 1038.207480] [] ? find_get_entry+0x141/0x570 [ 1038.207487] [] ? page_cache_prev_hole+0x80/0x80 [ 1038.207495] [] ? autoremove_wake_function+0x40/0x40 [ 1038.207502] [] ? pagecache_get_page+0x131/0x710 [ 1038.207510] [] filemap_fault+0xaf1/0x1110 [ 1038.207518] [] ext4_filemap_fault+0x71/0xa0 [ 1038.207524] [] __do_fault+0x223/0x500 [ 1038.207532] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1038.207540] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1038.207547] [] handle_mm_fault+0x1326/0x2350 [ 1038.207554] [] ? vm_insert_page+0x6f0/0x6f0 [ 1038.207561] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1038.207570] [] __do_page_fault+0x403/0xa60 [ 1038.207578] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1038.207588] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1038.207594] [] do_page_fault+0x27/0x30 [ 1038.207602] [] page_fault+0x25/0x30 [ 1038.207605] Mem-Info: [ 1038.207621] active_anon:5067 inactive_anon:42 isolated_anon:0 [ 1038.207621] active_file:19 inactive_file:48 isolated_file:0 [ 1038.207621] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1038.207621] slab_reclaimable:4111 slab_unreclaimable:57863 [ 1038.207621] mapped:33 shmem:48 pagetables:423 bounce:0 [ 1038.207621] free:6027 free_pcp:115 free_cma:0 ** 27 printk messages dropped ** [ 1038.218172] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1038.218181] [] ? check_preemption_disabled+0x3b/0x200 [ 1038.218188] [] ? find_get_entry+0x11a/0x570 [ 1038.218199] [] ? find_get_entry+0x141/0x570 [ 1038.218207] [] ? page_cache_prev_hole+0x80/0x80 [ 1038.218214] [] ? autoremove_wake_function+0x40/0x40 [ 1038.218222] [] ? pagecache_get_page+0x131/0x710 [ 1038.218229] [] filemap_fault+0xaf1/0x1110 [ 1038.218237] [] ext4_filemap_fault+0x71/0xa0 [ 1038.218244] [] __do_fault+0x223/0x500 [ 1038.218251] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1038.218258] [] ? handle_mm_fault+0x1d4f/0x2350 [ 1038.218265] [] handle_mm_fault+0x1326/0x2350 [ 1038.218273] [] ? vm_insert_page+0x6f0/0x6f0 [ 1038.218281] [] ? hrtimer_nanosleep+0x38c/0x550 [ 1038.218288] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1038.218296] [] __do_page_fault+0x403/0xa60 [ 1038.218304] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1038.218313] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1038.218320] [] do_page_fault+0x27/0x30 [ 1038.218327] [] page_fault+0x25/0x30 [ 1038.218330] Mem-Info: [ 1038.218351] active_anon:5067 inactive_anon:42 isolated_anon:0 [ 1038.218351] active_file:19 inactive_file:48 isolated_file:0 [ 1038.218351] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1038.218351] slab_reclaimable:4111 slab_unreclaimable:57863 [ 1038.218351] mapped:33 shmem:48 pagetables:423 bounce:0 [ 1038.218351] free:6027 free_pcp:115 free_cma:0 ** 31 printk messages dropped ** [ 1038.235125] [] ? page_cache_prev_hole+0x80/0x80 [ 1038.235133] [] ? pagecache_get_page+0x131/0x710 ** 6 printk messages dropped ** [ 1038.235185] [] ? vm_insert_page+0x6f0/0x6f0 [ 1038.235192] [] ? hrtimer_nanosleep+0x38c/0x550 [ 1038.235201] [] __do_page_fault+0x403/0xa60 [ 1038.235209] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1038.235218] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1038.235225] [] do_page_fault+0x27/0x30 [ 1038.235233] [] page_fault+0x25/0x30 [ 1038.235236] Mem-Info: [ 1038.235253] active_anon:5067 inactive_anon:42 isolated_anon:0 [ 1038.235253] active_file:19 inactive_file:48 isolated_file:0 [ 1038.235253] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1038.235253] slab_reclaimable:4111 slab_unreclaimable:57863 [ 1038.235253] mapped:33 shmem:48 pagetables:423 bounce:0 [ 1038.235253] free:6027 free_pcp:115 free_cma:0 [ 1038.235266] Node 0 active_anon:20268kB inactive_anon:168kB active_file:76kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:132kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes [ 1038.235284] DMA32 free:18660kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:40kB inactive_file:104kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:172kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1038.235309] Normal free:5448kB min:5580kB low:9168kB high:12756kB active_anon:20268kB inactive_anon:168kB active_file:36kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16428kB slab_unreclaimable:231280kB kernel_stack:4224kB pagetables:1692kB bounce:0kB free_pcp:340kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1038.235364] DMA32: 21*4kB (UM) 18*8kB (ME) 10*16kB (UME) 17*32kB (ME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18660kB Normal: 294*4kB (UMH) 160*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5448kB 116 total pagecache pages [ 1038.235408] 0 pages in swap cache [ 1038.235412] Swap cache stats: add 0, delete 0, find 0/0 [ 1038.235414] Free swap = 0kB [ 1038.235416] Total swap = 0kB [ 1038.235418] 1965979 pages RAM [ 1038.235420] 0 pages HighMem/MovableOnly [ 1038.235423] 313617 pages reserved [ 1038.247587] syz-executor.4: page allocation stalls for 40040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1038.247594] CPU: 0 PID: 2237 Comm: syz-executor.4 Not tainted 4.9.141+ #1 [ 1038.247607] ffff8801ca33f7c0 ffffffff81b42e79 1ffff10039467efa ffff8801c8ea2f80 [ 1038.247617] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca33f908 ** 128 printk messages dropped ** [ 1039.898496] Node 0 active_anon:20268kB inactive_anon:168kB active_file:76kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:132kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes ** 216 printk messages dropped ** [ 1048.197492] Free swap = 0kB [ 1048.197494] Total swap = 0kB [ 1048.197497] 1965979 pages RAM [ 1048.197499] 0 pages HighMem/MovableOnly [ 1048.197501] 313617 pages reserved [ 1048.226154] syz-execprog: page allocation stalls for 50030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1048.226162] CPU: 1 PID: 2210 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1048.226176] ffff8801c8c4f7c0 ffffffff81b42e79 1ffff10039189efa ffff8801c94a0000 [ 1048.226186] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c8c4f908 [ 1048.226196] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1048.226198] Call Trace: [ 1048.226211] [] dump_stack+0xc1/0x128 [ 1048.226221] [] warn_alloc.cold.31+0x7f/0x9c [ 1048.226230] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1048.226239] [] ? shrink_node+0x740/0x740 [ 1048.226248] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1048.226255] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1048.226264] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1048.226272] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1048.226284] [] ? find_get_entry+0x11a/0x570 [ 1048.226291] [] ? find_get_entry+0x141/0x570 [ 1048.226298] [] ? page_cache_prev_hole+0x80/0x80 ** 32 printk messages dropped ** [ 1048.242038] udevd: page allocation stalls for 50110ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1048.242045] CPU: 0 PID: 470 Comm: udevd Not tainted 4.9.141+ #1 [ 1048.242059] ffff8801d30777c0 ffffffff81b42e79 1ffff1003a60eefa ffff8801d3be17c0 [ 1048.242069] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3077908 [ 1048.242079] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1048.242080] Call Trace: [ 1048.242091] [] dump_stack+0xc1/0x128 [ 1048.242099] [] warn_alloc.cold.31+0x7f/0x9c [ 1048.242107] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1048.242115] [] ? shrink_node+0x740/0x740 [ 1048.242124] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1048.242131] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1048.242140] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1048.242148] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1048.242155] [] ? find_get_entry+0x11a/0x570 [ 1048.242162] [] ? find_get_entry+0x141/0x570 [ 1048.242169] [] ? page_cache_prev_hole+0x80/0x80 [ 1048.242177] [] ? autoremove_wake_function+0x40/0x40 [ 1048.242184] [] ? pagecache_get_page+0x131/0x710 [ 1048.242192] [] filemap_fault+0xaf1/0x1110 [ 1048.242200] [] ext4_filemap_fault+0x71/0xa0 [ 1048.242206] [] __do_fault+0x223/0x500 [ 1048.242213] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1048.242220] [] ? handle_mm_fault+0x1d4f/0x2350 [ 1048.242228] [] handle_mm_fault+0x1326/0x2350 [ 1048.242236] [] ? ep_poll+0x18f/0xb20 [ 1048.242243] [] ? vm_insert_page+0x6f0/0x6f0 [ 1048.242250] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1048.242258] [] __do_page_fault+0x403/0xa60 [ 1048.242267] [] ? __fget_light+0x169/0x1f0 [ 1048.242274] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1048.242283] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1048.242290] [] do_page_fault+0x27/0x30 [ 1048.242297] [] page_fault+0x25/0x30 [ 1048.242300] Mem-Info: [ 1048.242316] active_anon:5067 inactive_anon:42 isolated_anon:0 [ 1048.242316] active_file:19 inactive_file:48 isolated_file:0 [ 1048.242316] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1048.242316] slab_reclaimable:4111 slab_unreclaimable:57863 [ 1048.242316] mapped:33 shmem:48 pagetables:423 bounce:0 [ 1048.242316] free:6027 free_pcp:114 free_cma:0 ** 30 printk messages dropped ** [ 1048.245931] [] ? find_get_entry+0x141/0x570 [ 1048.245938] [] ? page_cache_prev_hole+0x80/0x80 [ 1048.245946] [] ? pagecache_get_page+0x131/0x710 [ 1048.245953] [] filemap_fault+0xaf1/0x1110 [ 1048.245961] [] ext4_filemap_fault+0x71/0xa0 [ 1048.245967] [] __do_fault+0x223/0x500 ** 2 printk messages dropped ** [ 1048.245989] [] handle_mm_fault+0x1326/0x2350 [ 1048.245996] [] ? vm_insert_page+0x6f0/0x6f0 [ 1048.246004] [] ? hrtimer_nanosleep+0x38c/0x550 [ 1048.246013] [] __do_page_fault+0x403/0xa60 [ 1048.246020] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1048.246029] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1048.246036] [] do_page_fault+0x27/0x30 [ 1048.246043] [] page_fault+0x25/0x30 [ 1048.246046] Mem-Info: [ 1048.246062] active_anon:5067 inactive_anon:42 isolated_anon:0 [ 1048.246062] active_file:19 inactive_file:48 isolated_file:0 [ 1048.246062] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1048.246062] slab_reclaimable:4111 slab_unreclaimable:57863 [ 1048.246062] mapped:33 shmem:48 pagetables:423 bounce:0 [ 1048.246062] free:6027 free_pcp:114 free_cma:0 [ 1048.246074] Node 0 active_anon:20268kB inactive_anon:168kB active_file:76kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:132kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes [ 1048.246092] DMA32 free:18660kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:40kB inactive_file:104kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:172kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB ** 46 printk messages dropped ** [ 1048.248345] Mem-Info: [ 1048.248360] active_anon:5067 inactive_anon:42 isolated_anon:0 [ 1048.248360] active_file:19 inactive_file:48 isolated_file:0 [ 1048.248360] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1048.248360] slab_reclaimable:4111 slab_unreclaimable:57863 [ 1048.248360] mapped:33 shmem:48 pagetables:423 bounce:0 [ 1048.248360] free:6027 free_pcp:114 free_cma:0 [ 1048.248372] Node 0 active_anon:20268kB inactive_anon:168kB active_file:76kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:132kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes [ 1048.248390] DMA32 free:18660kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:40kB inactive_file:104kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:172kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1048.248416] Normal free:5448kB min:5580kB low:9168kB high:12756kB active_anon:20268kB inactive_anon:168kB active_file:36kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16428kB slab_unreclaimable:231280kB kernel_stack:4224kB pagetables:1692kB bounce:0kB free_pcp:336kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1048.248469] DMA32: 21*4kB (UM) 18*8kB (ME) 10*16kB (UME) 17*32kB (ME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18660kB Normal: 294*4kB (UMH) 160*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5448kB 116 total pagecache pages [ 1048.248513] 0 pages in swap cache [ 1048.248517] Swap cache stats: add 0, delete 0, find 0/0 [ 1048.248519] Free swap = 0kB [ 1048.248521] Total swap = 0kB [ 1048.248524] 1965979 pages RAM [ 1048.248526] 0 pages HighMem/MovableOnly [ 1048.248528] 313617 pages reserved [ 1048.257262] syz-executor.5: page allocation stalls for 50040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1048.257268] CPU: 0 PID: 2231 Comm: syz-executor.5 Not tainted 4.9.141+ #1 [ 1048.257280] ffff8801c96df7c0 ffffffff81b42e79 1ffff100392dbefa ffff8801ca2217c0 [ 1048.257290] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c96df908 ** 80 printk messages dropped ** [ 1048.278406] Normal free:5448kB min:5580kB low:9168kB high:12756kB active_anon:20268kB inactive_anon:168kB active_file:36kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16428kB slab_unreclaimable:231280kB kernel_stack:4224kB pagetables:1692kB bounce:0kB free_pcp:336kB local_pcp:232kB free_cma:0kB ** 262 printk messages dropped ** [ 1058.138881] lowmem_reserve[]: 0 3505 3505 [ 1058.138899] Normal free:5440kB min:5580kB low:9168kB high:12756kB active_anon:20268kB inactive_anon:168kB active_file:36kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16428kB slab_unreclaimable:231296kB kernel_stack:4224kB pagetables:1692kB bounce:0kB free_pcp:332kB local_pcp:100kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1058.138952] DMA32: 21*4kB (UM) 18*8kB (ME) 10*16kB (UME) 17*32kB (ME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18660kB Normal: 294*4kB (UMH) 159*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5440kB 116 total pagecache pages [ 1058.138997] 0 pages in swap cache [ 1058.139001] Swap cache stats: add 0, delete 0, find 0/0 [ 1058.139003] Free swap = 0kB [ 1058.139005] Total swap = 0kB [ 1058.139007] 1965979 pages RAM [ 1058.139009] 0 pages HighMem/MovableOnly [ 1058.139017] 313617 pages reserved [ 1058.174813] lowmemorykiller: Killing 'syz-executor.1' (2398) (tgid 2389), adj 1000, [ 1058.174813] to free 140kB on behalf of 'syz-executor.0' (2234) because [ 1058.174813] cache 272kB is below limit 6144kB for oom_score_adj 0 [ 1058.174813] Free memory is -13404kB above reserved ** 37 printk messages dropped ** [ 1058.178351] lowmem_reserve[]: 0 0 0 [ 1058.178399] DMA32: 21*4kB (UM) 18*8kB (ME) 10*16kB (UME) 17*32kB (ME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18660kB ** 1 printk messages dropped ** [ 1058.178441] 116 total pagecache pages [ 1058.178444] 0 pages in swap cache [ 1058.178448] Swap cache stats: add 0, delete 0, find 0/0 [ 1058.178450] Free swap = 0kB [ 1058.178452] Total swap = 0kB [ 1058.178455] 1965979 pages RAM [ 1058.178457] 0 pages HighMem/MovableOnly [ 1058.178459] 313617 pages reserved [ 1058.196919] syz-executor.1: page allocation stalls for 60010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1058.196927] CPU: 0 PID: 2238 Comm: syz-executor.1 Not tainted 4.9.141+ #1 [ 1058.196940] ffff8801c97df7c0 ffffffff81b42e79 1ffff100392fbefa ffff8801c93a4740 [ 1058.196950] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c97df908 [ 1058.196960] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1058.196962] Call Trace: [ 1058.196973] [] dump_stack+0xc1/0x128 [ 1058.196982] [] warn_alloc.cold.31+0x7f/0x9c [ 1058.196990] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1058.196998] [] ? shrink_node+0x740/0x740 [ 1058.197007] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1058.197015] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1058.197024] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1058.197032] [] ? check_preemption_disabled+0x3b/0x200 [ 1058.197040] [] ? find_get_entry+0x11a/0x570 [ 1058.197047] [] ? find_get_entry+0x141/0x570 [ 1058.197054] [] ? page_cache_prev_hole+0x80/0x80 [ 1058.197061] [] ? pagecache_get_page+0x131/0x710 [ 1058.197069] [] filemap_fault+0xaf1/0x1110 [ 1058.197077] [] ext4_filemap_fault+0x71/0xa0 [ 1058.197084] [] __do_fault+0x223/0x500 [ 1058.197091] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1058.197098] [] ? handle_mm_fault+0x1d4f/0x2350 [ 1058.197106] [] handle_mm_fault+0x1326/0x2350 [ 1058.197113] [] ? vm_insert_page+0x6f0/0x6f0 [ 1058.197120] [] ? hrtimer_nanosleep+0x38c/0x550 [ 1058.197129] [] __do_page_fault+0x403/0xa60 [ 1058.197136] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1058.197145] [] ? trace_hardirqs_off_thunk+0x1a/0x1c ** 27 printk messages dropped ** [ 1058.248143] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1058.248152] [] ? shrink_node+0x740/0x740 [ 1058.248161] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1058.248169] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1058.248178] [] ? gfp_pfmemalloc_allowed+0x110/0x110 ** 2 printk messages dropped ** [ 1058.248200] [] ? find_get_entry+0x141/0x570 [ 1058.248207] [] ? page_cache_prev_hole+0x80/0x80 [ 1058.248216] [] ? autoremove_wake_function+0x40/0x40 [ 1058.248224] [] ? pagecache_get_page+0x131/0x710 [ 1058.248231] [] filemap_fault+0xaf1/0x1110 [ 1058.248239] [] ext4_filemap_fault+0x71/0xa0 [ 1058.248246] [] __do_fault+0x223/0x500 [ 1058.248253] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1058.248261] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1058.248268] [] handle_mm_fault+0x1326/0x2350 [ 1058.248275] [] ? vm_insert_page+0x6f0/0x6f0 [ 1058.248282] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1058.248291] [] __do_page_fault+0x403/0xa60 [ 1058.248299] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1058.248309] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1058.248316] [] do_page_fault+0x27/0x30 [ 1058.248324] [] page_fault+0x25/0x30 [ 1058.248327] Mem-Info: [ 1058.248343] active_anon:5067 inactive_anon:42 isolated_anon:0 [ 1058.248343] active_file:19 inactive_file:48 isolated_file:0 [ 1058.248343] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1058.248343] slab_reclaimable:4111 slab_unreclaimable:57867 [ 1058.248343] mapped:33 shmem:48 pagetables:423 bounce:0 [ 1058.248343] free:6025 free_pcp:113 free_cma:0 [ 1058.248356] Node 0 active_anon:20268kB inactive_anon:168kB active_file:76kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:132kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes ** 31 printk messages dropped ** [ 1058.265148] [] ? autoremove_wake_function+0x40/0x40 ** 6 printk messages dropped ** [ 1058.265200] [] handle_mm_fault+0x1326/0x2350 [ 1058.265207] [] ? vm_insert_page+0x6f0/0x6f0 [ 1058.265215] [] ? hrtimer_nanosleep+0x38c/0x550 [ 1058.265222] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1058.265230] [] __do_page_fault+0x403/0xa60 [ 1058.265238] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1058.265247] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1058.265254] [] do_page_fault+0x27/0x30 [ 1058.265261] [] page_fault+0x25/0x30 [ 1058.265264] Mem-Info: [ 1058.265280] active_anon:5067 inactive_anon:42 isolated_anon:0 [ 1058.265280] active_file:19 inactive_file:48 isolated_file:0 [ 1058.265280] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1058.265280] slab_reclaimable:4111 slab_unreclaimable:57867 [ 1058.265280] mapped:33 shmem:48 pagetables:423 bounce:0 [ 1058.265280] free:6025 free_pcp:113 free_cma:0 [ 1058.265293] Node 0 active_anon:20268kB inactive_anon:168kB active_file:76kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:132kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes [ 1058.265310] DMA32 free:18660kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:40kB inactive_file:104kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:172kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1058.265338] Normal free:5440kB min:5580kB low:9168kB high:12756kB active_anon:20268kB inactive_anon:168kB active_file:36kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16428kB slab_unreclaimable:231296kB kernel_stack:4224kB pagetables:1692kB bounce:0kB free_pcp:332kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1058.265392] DMA32: 21*4kB (UM) 18*8kB (ME) 10*16kB (UME) 17*32kB (ME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18660kB Normal: 294*4kB (UMH) 159*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5440kB 116 total pagecache pages [ 1058.265437] 0 pages in swap cache [ 1058.265441] Swap cache stats: add 0, delete 0, find 0/0 [ 1058.265443] Free swap = 0kB [ 1058.265445] Total swap = 0kB [ 1058.265447] 1965979 pages RAM ** 36 printk messages dropped ** [ 1058.285787] DMA32 free:18660kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:40kB inactive_file:104kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:172kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB ** 312 printk messages dropped ** [ 1068.158133] lowmem_reserve[]: 0 0 0 [ 1068.158180] DMA32: 21*4kB (UM) 18*8kB (ME) 10*16kB (UME) 17*32kB (ME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18660kB Normal: 294*4kB (UMH) 159*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5440kB 116 total pagecache pages [ 1068.158225] 0 pages in swap cache [ 1068.158229] Swap cache stats: add 0, delete 0, find 0/0 [ 1068.158231] Free swap = 0kB [ 1068.158233] Total swap = 0kB [ 1068.158235] 1965979 pages RAM [ 1068.158237] 0 pages HighMem/MovableOnly [ 1068.158240] 313617 pages reserved [ 1068.164878] syz-executor.0: page allocation stalls for 70010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1068.164885] CPU: 1 PID: 2234 Comm: syz-executor.0 Not tainted 4.9.141+ #1 [ 1068.164898] ffff8801c88df7c0 ffffffff81b42e79 1ffff1003911befa ffff8801c93a17c0 [ 1068.164908] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c88df908 [ 1068.164917] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1068.164919] Call Trace: [ 1068.164928] [] dump_stack+0xc1/0x128 [ 1068.164936] [] warn_alloc.cold.31+0x7f/0x9c [ 1068.164944] [] ? zone_watermark_ok_safe+0x250/0x250 ** 40 printk messages dropped ** [ 1068.204835] CPU: 0 PID: 2210 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1068.204848] ffff8801c8c4f7c0 ffffffff81b42e79 1ffff10039189efa ffff8801c94a0000 [ 1068.204857] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c8c4f908 [ 1068.204866] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1068.204867] Call Trace: [ 1068.204878] [] dump_stack+0xc1/0x128 [ 1068.204886] [] warn_alloc.cold.31+0x7f/0x9c [ 1068.204895] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1068.204902] [] ? shrink_node+0x740/0x740 [ 1068.204910] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1068.204917] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1068.204925] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1068.204932] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1068.204938] [] ? find_get_entry+0x11a/0x570 [ 1068.204945] [] ? find_get_entry+0x141/0x570 [ 1068.204951] [] ? page_cache_prev_hole+0x80/0x80 [ 1068.204959] [] ? autoremove_wake_function+0x40/0x40 [ 1068.204966] [] ? pagecache_get_page+0x131/0x710 [ 1068.204973] [] filemap_fault+0xaf1/0x1110 [ 1068.204980] [] ext4_filemap_fault+0x71/0xa0 [ 1068.204986] [] __do_fault+0x223/0x500 [ 1068.204992] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1068.205000] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1068.205007] [] handle_mm_fault+0x1326/0x2350 [ 1068.205013] [] ? vm_insert_page+0x6f0/0x6f0 [ 1068.205020] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1068.205027] [] __do_page_fault+0x403/0xa60 [ 1068.205035] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1068.205044] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1068.205050] [] do_page_fault+0x27/0x30 [ 1068.205057] [] page_fault+0x25/0x30 [ 1068.205060] Mem-Info: [ 1068.205075] active_anon:5067 inactive_anon:42 isolated_anon:0 [ 1068.205075] active_file:19 inactive_file:48 isolated_file:0 [ 1068.205075] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1068.205075] slab_reclaimable:4111 slab_unreclaimable:57867 [ 1068.205075] mapped:33 shmem:48 pagetables:423 bounce:0 [ 1068.205075] free:6025 free_pcp:113 free_cma:0 [ 1068.205086] Node 0 active_anon:20268kB inactive_anon:168kB active_file:76kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:132kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes [ 1068.205103] DMA32 free:18660kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:40kB inactive_file:104kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:172kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB ** 34 printk messages dropped ** [ 1068.209962] [] __do_fault+0x223/0x500 [ 1068.209968] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1068.209975] [] ? handle_mm_fault+0x1d4f/0x2350 [ 1068.209981] [] handle_mm_fault+0x1326/0x2350 [ 1068.209988] [] ? vm_insert_page+0x6f0/0x6f0 [ 1068.209995] [] ? hrtimer_nanosleep+0x38c/0x550 [ 1068.210001] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1068.210009] [] __do_page_fault+0x403/0xa60 [ 1068.210016] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1068.210023] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1068.210030] [] do_page_fault+0x27/0x30 [ 1068.210036] [] page_fault+0x25/0x30 [ 1068.210038] Mem-Info: [ 1068.210053] active_anon:5067 inactive_anon:42 isolated_anon:0 [ 1068.210053] active_file:19 inactive_file:48 isolated_file:0 [ 1068.210053] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1068.210053] slab_reclaimable:4111 slab_unreclaimable:57867 [ 1068.210053] mapped:33 shmem:48 pagetables:423 bounce:0 [ 1068.210053] free:6025 free_pcp:113 free_cma:0 [ 1068.210065] Node 0 active_anon:20268kB inactive_anon:168kB active_file:76kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:132kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes [ 1068.210081] DMA32 free:18660kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:40kB inactive_file:104kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:172kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1068.210104] Normal free:5440kB min:5580kB low:9168kB high:12756kB active_anon:20268kB inactive_anon:168kB active_file:36kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16428kB slab_unreclaimable:231296kB kernel_stack:4224kB pagetables:1692kB bounce:0kB free_pcp:332kB local_pcp:232kB free_cma:0kB ** 40 printk messages dropped ** [ 1068.235085] [] do_page_fault+0x27/0x30 [ 1068.235093] [] page_fault+0x25/0x30 [ 1068.235096] Mem-Info: [ 1068.235112] active_anon:5067 inactive_anon:42 isolated_anon:0 [ 1068.235112] active_file:19 inactive_file:48 isolated_file:0 [ 1068.235112] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1068.235112] slab_reclaimable:4111 slab_unreclaimable:57867 [ 1068.235112] mapped:33 shmem:48 pagetables:423 bounce:0 [ 1068.235112] free:6025 free_pcp:113 free_cma:0 ** 1 printk messages dropped ** [ 1068.235143] DMA32 free:18660kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:40kB inactive_file:104kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:172kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1068.235169] Normal free:5440kB min:5580kB low:9168kB high:12756kB active_anon:20268kB inactive_anon:168kB active_file:36kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16428kB slab_unreclaimable:231296kB kernel_stack:4224kB pagetables:1692kB bounce:0kB free_pcp:332kB local_pcp:100kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1068.235224] DMA32: 21*4kB (UM) 18*8kB (ME) 10*16kB (UME) 17*32kB (ME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18660kB Normal: 294*4kB (UMH) 159*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5440kB 116 total pagecache pages [ 1068.235269] 0 pages in swap cache [ 1068.235273] Swap cache stats: add 0, delete 0, find 0/0 [ 1068.235275] Free swap = 0kB [ 1068.235277] Total swap = 0kB [ 1068.235279] 1965979 pages RAM [ 1068.235281] 0 pages HighMem/MovableOnly [ 1068.235283] 313617 pages reserved [ 1068.274826] lowmemorykiller: Killing 'syz-executor.1' (2398) (tgid 2389), adj 1000, [ 1068.274826] to free 140kB on behalf of 'syz-executor.0' (2234) because [ 1068.274826] cache 272kB is below limit 6144kB for oom_score_adj 0 [ 1068.274826] Free memory is -13404kB above reserved [ 1068.274837] lowmemorykiller: Killing 'syz-executor.1' (2398) (tgid 2389), adj 1000, [ 1068.274837] to free 140kB on behalf of 'syz-executor.4' (2421) because [ 1068.274837] cache 272kB is below limit 6144kB for oom_score_adj 0 [ 1068.274837] Free memory is -13404kB above reserved [ 1068.283650] syz-executor.4: page allocation stalls for 70070ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1068.283659] CPU: 0 PID: 2237 Comm: syz-executor.4 Not tainted 4.9.141+ #1 [ 1068.283673] ffff8801ca33f7c0 ffffffff81b42e79 1ffff10039467efa ffff8801c8ea2f80 ** 80 printk messages dropped ** [ 1068.295115] lowmem_reserve[]: 0 3505 3505 [ 1068.295133] Normal free:5440kB min:5580kB low:9168kB high:12756kB active_anon:20268kB inactive_anon:168kB active_file:36kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16428kB slab_unreclaimable:231296kB kernel_stack:4224kB pagetables:1692kB bounce:0kB free_pcp:332kB local_pcp:232kB free_cma:0kB ** 260 printk messages dropped ** [ 1078.151527] lowmem_reserve[]: 0 0 0 ** 1 printk messages dropped ** [ 1078.151615] Normal: 294*4kB (UMH) 159*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5440kB 116 total pagecache pages [ 1078.151620] 0 pages in swap cache [ 1078.151624] Swap cache stats: add 0, delete 0, find 0/0 [ 1078.151626] Free swap = 0kB [ 1078.151628] Total swap = 0kB [ 1078.151630] 1965979 pages RAM [ 1078.151633] 0 pages HighMem/MovableOnly [ 1078.151635] 313617 pages reserved [ 1078.214877] syz-execprog: page allocation stalls for 80020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1078.214885] CPU: 0 PID: 2210 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1078.214900] ffff8801c8c4f7c0 ffffffff81b42e79 1ffff10039189efa ffff8801c94a0000 [ 1078.214909] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c8c4f908 [ 1078.214918] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1078.214919] Call Trace: [ 1078.214934] [] dump_stack+0xc1/0x128 [ 1078.214943] [] warn_alloc.cold.31+0x7f/0x9c [ 1078.214953] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1078.214961] [] ? shrink_node+0x740/0x740 ** 38 printk messages dropped ** [ 1078.215298] 313617 pages reserved [ 1078.270029] syz-executor.3: page allocation stalls for 80080ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1078.270038] CPU: 1 PID: 2233 Comm: syz-executor.3 Not tainted 4.9.141+ #1 [ 1078.270053] ffff8801c88e77c0 ffffffff81b42e79 1ffff1003911cefa ffff8801c8f097c0 [ 1078.270063] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c88e7908 [ 1078.270073] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1078.270075] Call Trace: [ 1078.270089] [] dump_stack+0xc1/0x128 [ 1078.270098] [] warn_alloc.cold.31+0x7f/0x9c [ 1078.270107] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1078.270116] [] ? shrink_node+0x740/0x740 [ 1078.270125] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1078.270133] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1078.270142] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1078.270151] [] ? check_preemption_disabled+0x3b/0x200 [ 1078.270158] [] ? find_get_entry+0x11a/0x570 [ 1078.270165] [] ? find_get_entry+0x141/0x570 [ 1078.270172] [] ? page_cache_prev_hole+0x80/0x80 [ 1078.270180] [] ? autoremove_wake_function+0x40/0x40 [ 1078.270188] [] ? pagecache_get_page+0x131/0x710 [ 1078.270195] [] filemap_fault+0xaf1/0x1110 [ 1078.270203] [] ext4_filemap_fault+0x71/0xa0 [ 1078.270210] [] __do_fault+0x223/0x500 [ 1078.270217] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1078.270224] [] ? handle_mm_fault+0x1d4f/0x2350 [ 1078.270231] [] handle_mm_fault+0x1326/0x2350 [ 1078.270239] [] ? vm_insert_page+0x6f0/0x6f0 [ 1078.270246] [] ? hrtimer_nanosleep+0x38c/0x550 [ 1078.270253] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1078.270262] [] __do_page_fault+0x403/0xa60 [ 1078.270270] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1078.270279] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1078.270286] [] do_page_fault+0x27/0x30 [ 1078.270294] [] page_fault+0x25/0x30 [ 1078.270297] Mem-Info: [ 1078.270314] active_anon:5067 inactive_anon:42 isolated_anon:0 [ 1078.270314] active_file:19 inactive_file:48 isolated_file:0 [ 1078.270314] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1078.270314] slab_reclaimable:4111 slab_unreclaimable:57867 [ 1078.270314] mapped:33 shmem:48 pagetables:423 bounce:0 [ 1078.270314] free:6025 free_pcp:113 free_cma:0 [ 1078.270327] Node 0 active_anon:20268kB inactive_anon:168kB active_file:76kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:132kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes ** 29 printk messages dropped ** [ 1078.275648] [] ? find_get_entry+0x141/0x570 [ 1078.275655] [] ? page_cache_prev_hole+0x80/0x80 [ 1078.275662] [] ? pagecache_get_page+0x131/0x710 [ 1078.275670] [] filemap_fault+0xaf1/0x1110 [ 1078.275678] [] ext4_filemap_fault+0x71/0xa0 [ 1078.275684] [] __do_fault+0x223/0x500 [ 1078.275691] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1078.275698] [] ? handle_mm_fault+0x1d4f/0x2350 [ 1078.275706] [] handle_mm_fault+0x1326/0x2350 [ 1078.275713] [] ? vm_insert_page+0x6f0/0x6f0 [ 1078.275721] [] ? hrtimer_nanosleep+0x38c/0x550 [ 1078.275729] [] __do_page_fault+0x403/0xa60 [ 1078.275736] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1078.275745] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1078.275752] [] do_page_fault+0x27/0x30 [ 1078.275759] [] page_fault+0x25/0x30 [ 1078.275762] Mem-Info: [ 1078.275777] active_anon:5067 inactive_anon:42 isolated_anon:0 [ 1078.275777] active_file:19 inactive_file:48 isolated_file:0 [ 1078.275777] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1078.275777] slab_reclaimable:4111 slab_unreclaimable:57867 [ 1078.275777] mapped:33 shmem:48 pagetables:423 bounce:0 [ 1078.275777] free:6025 free_pcp:113 free_cma:0 [ 1078.275795] Node 0 active_anon:20268kB inactive_anon:168kB active_file:76kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:132kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes [ 1078.275813] DMA32 free:18660kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:40kB inactive_file:104kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:172kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB ** 42 printk messages dropped ** [ 1078.287064] [] do_page_fault+0x27/0x30 [ 1078.287071] [] page_fault+0x25/0x30 [ 1078.287074] Mem-Info: [ 1078.287090] active_anon:5067 inactive_anon:42 isolated_anon:0 [ 1078.287090] active_file:19 inactive_file:48 isolated_file:0 [ 1078.287090] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1078.287090] slab_reclaimable:4111 slab_unreclaimable:57867 [ 1078.287090] mapped:33 shmem:48 pagetables:423 bounce:0 [ 1078.287090] free:6025 free_pcp:113 free_cma:0 ** 1 printk messages dropped ** [ 1078.287120] DMA32 free:18660kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:40kB inactive_file:104kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:172kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1078.287145] Normal free:5440kB min:5580kB low:9168kB high:12756kB active_anon:20268kB inactive_anon:168kB active_file:36kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16428kB slab_unreclaimable:231296kB kernel_stack:4224kB pagetables:1692kB bounce:0kB free_pcp:332kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1078.287200] DMA32: 21*4kB (UM) 18*8kB (ME) 10*16kB (UME) 17*32kB (ME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18660kB Normal: 294*4kB (UMH) 159*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5440kB 116 total pagecache pages [ 1078.287244] 0 pages in swap cache [ 1078.287248] Swap cache stats: add 0, delete 0, find 0/0 [ 1078.287250] Free swap = 0kB [ 1078.287252] Total swap = 0kB [ 1078.287254] 1965979 pages RAM [ 1078.287256] 0 pages HighMem/MovableOnly [ 1078.287259] 313617 pages reserved [ 1078.294850] syz-executor.4: page allocation stalls for 80090ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1078.294857] CPU: 0 PID: 2237 Comm: syz-executor.4 Not tainted 4.9.141+ #1 [ 1078.294869] ffff8801ca33f7c0 ffffffff81b42e79 1ffff10039467efa ffff8801c8ea2f80 [ 1078.294879] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca33f908 [ 1078.294889] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1078.294891] Call Trace: [ 1078.294900] [] dump_stack+0xc1/0x128 [ 1078.294908] [] warn_alloc.cold.31+0x7f/0x9c [ 1078.294917] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1078.294925] [] ? shrink_node+0x740/0x740 [ 1078.294934] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1078.294941] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1078.294950] [] ? gfp_pfmemalloc_allowed+0x110/0x110 ** 221 printk messages dropped ** [ 1085.077575] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1085.077582] [] do_page_fault+0x27/0x30 ** 130 printk messages dropped ** [ 1088.181487] [] dump_stack+0xc1/0x128 [ 1088.181494] [] warn_alloc.cold.31+0x7f/0x9c [ 1088.181502] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1088.181509] [] ? shrink_node+0x740/0x740 [ 1088.181517] [] __alloc_pages_nodemask+0x1566/0x1bd0 ** 2 printk messages dropped ** [ 1088.181540] [] ? check_preemption_disabled+0x3b/0x200 [ 1088.181546] [] ? find_get_entry+0x11a/0x570 [ 1088.181553] [] ? find_get_entry+0x141/0x570 [ 1088.181559] [] ? page_cache_prev_hole+0x80/0x80 [ 1088.181566] [] ? pagecache_get_page+0x131/0x710 [ 1088.181573] [] filemap_fault+0xaf1/0x1110 [ 1088.181580] [] ext4_filemap_fault+0x71/0xa0 [ 1088.181586] [] __do_fault+0x223/0x500 [ 1088.181592] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1088.181599] [] ? handle_mm_fault+0x1d4f/0x2350 [ 1088.181606] [] handle_mm_fault+0x1326/0x2350 [ 1088.181613] [] ? vm_insert_page+0x6f0/0x6f0 [ 1088.181621] [] ? hrtimer_nanosleep+0x38c/0x550 [ 1088.181628] [] __do_page_fault+0x403/0xa60 [ 1088.181635] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1088.181643] [] ? trace_hardirqs_off_thunk+0x1a/0x1c ** 40 printk messages dropped ** [ 1088.211351] [] __do_fault+0x223/0x500 [ 1088.211358] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1088.211366] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1088.211374] [] handle_mm_fault+0x1326/0x2350 [ 1088.211381] [] ? vm_insert_page+0x6f0/0x6f0 [ 1088.211388] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1088.211396] [] __do_page_fault+0x403/0xa60 [ 1088.211404] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1088.211413] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1088.211420] [] do_page_fault+0x27/0x30 [ 1088.211428] [] page_fault+0x25/0x30 [ 1088.211431] Mem-Info: [ 1088.211448] active_anon:5067 inactive_anon:42 isolated_anon:0 [ 1088.211448] active_file:19 inactive_file:48 isolated_file:0 [ 1088.211448] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1088.211448] slab_reclaimable:4111 slab_unreclaimable:57868 [ 1088.211448] mapped:33 shmem:48 pagetables:423 bounce:0 [ 1088.211448] free:6025 free_pcp:112 free_cma:0 [ 1088.211460] Node 0 active_anon:20268kB inactive_anon:168kB active_file:76kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:132kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes [ 1088.211478] DMA32 free:18660kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:40kB inactive_file:104kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:172kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1088.211504] Normal free:5440kB min:5580kB low:9168kB high:12756kB active_anon:20268kB inactive_anon:168kB active_file:36kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16428kB slab_unreclaimable:231300kB kernel_stack:4224kB pagetables:1692kB bounce:0kB free_pcp:328kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1088.211559] DMA32: 21*4kB (UM) 18*8kB (ME) 10*16kB (UME) 17*32kB (ME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18660kB Normal: 294*4kB (UMH) 159*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5440kB 116 total pagecache pages [ 1088.211604] 0 pages in swap cache [ 1088.211608] Swap cache stats: add 0, delete 0, find 0/0 [ 1088.211610] Free swap = 0kB [ 1088.211612] Total swap = 0kB [ 1088.211615] 1965979 pages RAM [ 1088.211617] 0 pages HighMem/MovableOnly [ 1088.211619] 313617 pages reserved [ 1088.240655] syz-executor.3: page allocation stalls for 90050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1088.240663] CPU: 1 PID: 2233 Comm: syz-executor.3 Not tainted 4.9.141+ #1 ** 35 printk messages dropped ** [ 1088.240972] lowmem_reserve[]: 0 3505 3505 [ 1088.240990] Normal free:5440kB min:5580kB low:9168kB high:12756kB active_anon:20268kB inactive_anon:168kB active_file:36kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16428kB slab_unreclaimable:231300kB kernel_stack:4224kB pagetables:1692kB bounce:0kB free_pcp:328kB local_pcp:100kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1088.241044] DMA32: 21*4kB (UM) 18*8kB (ME) 10*16kB (UME) 17*32kB (ME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18660kB Normal: 294*4kB (UMH) 159*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5440kB 116 total pagecache pages [ 1088.241089] 0 pages in swap cache [ 1088.241093] Swap cache stats: add 0, delete 0, find 0/0 [ 1088.241095] Free swap = 0kB [ 1088.241097] Total swap = 0kB [ 1088.241099] 1965979 pages RAM [ 1088.241101] 0 pages HighMem/MovableOnly [ 1088.241104] 313617 pages reserved [ 1088.245062] syz-executor.1: page allocation stalls for 90060ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1088.245069] CPU: 1 PID: 2238 Comm: syz-executor.1 Not tainted 4.9.141+ #1 [ 1088.245081] ffff8801c97df7c0 ffffffff81b42e79 1ffff100392fbefa ffff8801c93a4740 [ 1088.245091] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c97df908 [ 1088.245101] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1088.245102] Call Trace: [ 1088.245111] [] dump_stack+0xc1/0x128 [ 1088.245119] [] warn_alloc.cold.31+0x7f/0x9c [ 1088.245127] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1088.245135] [] ? shrink_node+0x740/0x740 [ 1088.245144] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1088.245151] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1088.245160] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1088.245168] [] ? check_preemption_disabled+0x3b/0x200 ** 23 printk messages dropped ** [ 1088.245379] lowmem_reserve[]: 0 0 0 [ 1088.245426] DMA32: 21*4kB (UM) 18*8kB (ME) 10*16kB (UME) 17*32kB (ME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18660kB Normal: 294*4kB (UMH) 159*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5440kB 116 total pagecache pages [ 1088.245470] 0 pages in swap cache [ 1088.245474] Swap cache stats: add 0, delete 0, find 0/0 [ 1088.245476] Free swap = 0kB [ 1088.245478] Total swap = 0kB [ 1088.245481] 1965979 pages RAM [ 1088.245483] 0 pages HighMem/MovableOnly [ 1088.245485] 313617 pages reserved [ 1088.256856] syz-executor.4: page allocation stalls for 90050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1088.256863] CPU: 0 PID: 2237 Comm: syz-executor.4 Not tainted 4.9.141+ #1 [ 1088.256876] ffff8801ca33f7c0 ffffffff81b42e79 1ffff10039467efa ffff8801c8ea2f80 [ 1088.256886] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca33f908 [ 1088.256896] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1088.256898] Call Trace: [ 1088.256908] [] dump_stack+0xc1/0x128 [ 1088.256916] [] warn_alloc.cold.31+0x7f/0x9c [ 1088.256924] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1088.256933] [] ? shrink_node+0x740/0x740 [ 1088.256942] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1088.256949] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1088.256958] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1088.256966] [] ? check_preemption_disabled+0x3b/0x200 [ 1088.256973] [] ? find_get_entry+0x11a/0x570 [ 1088.256980] [] ? find_get_entry+0x141/0x570 [ 1088.256987] [] ? page_cache_prev_hole+0x80/0x80 [ 1088.256995] [] ? pagecache_get_page+0x131/0x710 [ 1088.257002] [] filemap_fault+0xaf1/0x1110 [ 1088.257010] [] ext4_filemap_fault+0x71/0xa0 [ 1088.257016] [] __do_fault+0x223/0x500 [ 1088.257023] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1088.257030] [] ? handle_mm_fault+0x1d4f/0x2350 [ 1088.257038] [] handle_mm_fault+0x1326/0x2350 ** 25 printk messages dropped ** [ 1088.272239] CPU: 1 PID: 2231 Comm: syz-executor.5 Not tainted 4.9.141+ #1 [ 1088.272253] ffff8801c96df7c0 ffffffff81b42e79 1ffff100392dbefa ffff8801ca2217c0 ** 6 printk messages dropped ** [ 1088.272311] [] ? shrink_node+0x740/0x740 [ 1088.272320] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1088.272327] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1088.272336] [] ? gfp_pfmemalloc_allowed+0x110/0x110 ** 307 printk messages dropped ** [ 1098.200454] [] ? zone_watermark_ok_safe+0x250/0x250 ** 47 printk messages dropped ** [ 1098.217644] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1098.217651] [] ? shrink_node+0x740/0x740 [ 1098.217659] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1098.217666] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1098.217678] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1098.217686] [] ? check_preemption_disabled+0x3b/0x200 [ 1098.217693] [] ? find_get_entry+0x11a/0x570 [ 1098.217699] [] ? find_get_entry+0x141/0x570 [ 1098.217705] [] ? page_cache_prev_hole+0x80/0x80 [ 1098.217712] [] ? pagecache_get_page+0x131/0x710 [ 1098.217719] [] filemap_fault+0xaf1/0x1110 [ 1098.217726] [] ext4_filemap_fault+0x71/0xa0 [ 1098.217733] [] __do_fault+0x223/0x500 [ 1098.217739] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1098.217745] [] ? handle_mm_fault+0x1d4f/0x2350 [ 1098.217752] [] handle_mm_fault+0x1326/0x2350 [ 1098.217759] [] ? vm_insert_page+0x6f0/0x6f0 [ 1098.217766] [] ? hrtimer_nanosleep+0x38c/0x550 [ 1098.217773] [] __do_page_fault+0x403/0xa60 [ 1098.217780] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1098.217789] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1098.217795] [] do_page_fault+0x27/0x30 [ 1098.217802] [] page_fault+0x25/0x30 ** 36 printk messages dropped ** [ 1098.224569] [] filemap_fault+0xaf1/0x1110 [ 1098.224577] [] ext4_filemap_fault+0x71/0xa0 [ 1098.224584] [] __do_fault+0x223/0x500 [ 1098.224591] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1098.224598] [] ? handle_mm_fault+0x1d4f/0x2350 [ 1098.224605] [] handle_mm_fault+0x1326/0x2350 [ 1098.224613] [] ? vm_insert_page+0x6f0/0x6f0 [ 1098.224620] [] ? hrtimer_nanosleep+0x38c/0x550 [ 1098.224627] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1098.224635] [] __do_page_fault+0x403/0xa60 [ 1098.224643] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1098.224651] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1098.224658] [] do_page_fault+0x27/0x30 [ 1098.224666] [] page_fault+0x25/0x30 [ 1098.224669] Mem-Info: [ 1098.224683] active_anon:5067 inactive_anon:42 isolated_anon:0 [ 1098.224683] active_file:19 inactive_file:48 isolated_file:0 [ 1098.224683] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1098.224683] slab_reclaimable:4111 slab_unreclaimable:57868 [ 1098.224683] mapped:33 shmem:48 pagetables:423 bounce:0 [ 1098.224683] free:6025 free_pcp:112 free_cma:0 [ 1098.224697] Node 0 active_anon:20268kB inactive_anon:168kB active_file:76kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:132kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes [ 1098.224719] DMA32 free:18660kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:40kB inactive_file:104kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:172kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1098.224763] Normal free:5440kB min:5580kB low:9168kB high:12756kB active_anon:20268kB inactive_anon:168kB active_file:36kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16428kB slab_unreclaimable:231300kB kernel_stack:4224kB pagetables:1692kB bounce:0kB free_pcp:328kB local_pcp:100kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1098.224814] DMA32: 21*4kB (UM) 18*8kB (ME) 10*16kB (UME) 17*32kB (ME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18660kB Normal: 294*4kB (UMH) 159*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5440kB 116 total pagecache pages [ 1098.224859] 0 pages in swap cache [ 1098.224863] Swap cache stats: add 0, delete 0, find 0/0 [ 1098.224865] Free swap = 0kB [ 1098.224867] Total swap = 0kB [ 1098.224869] 1965979 pages RAM [ 1098.224871] 0 pages HighMem/MovableOnly ** 35 printk messages dropped ** [ 1098.245663] Node 0 active_anon:20268kB inactive_anon:168kB active_file:76kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:132kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes [ 1098.245686] DMA32 free:18660kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:40kB inactive_file:104kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:172kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1098.245713] Normal free:5440kB min:5580kB low:9168kB high:12756kB active_anon:20268kB inactive_anon:168kB active_file:36kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16428kB slab_unreclaimable:231300kB kernel_stack:4224kB pagetables:1692kB bounce:0kB free_pcp:328kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1098.245767] DMA32: 21*4kB (UM) 18*8kB (ME) 10*16kB (UME) 17*32kB (ME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18660kB Normal: 294*4kB (UMH) 159*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5440kB 116 total pagecache pages [ 1098.245811] 0 pages in swap cache [ 1098.245815] Swap cache stats: add 0, delete 0, find 0/0 [ 1098.245817] Free swap = 0kB [ 1098.245819] Total swap = 0kB [ 1098.245821] 1965979 pages RAM [ 1098.245823] 0 pages HighMem/MovableOnly [ 1098.245825] 313617 pages reserved [ 1098.257029] syz-executor.4: page allocation stalls for 100050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1098.257036] CPU: 0 PID: 2237 Comm: syz-executor.4 Not tainted 4.9.141+ #1 [ 1098.257048] ffff8801ca33f7c0 ffffffff81b42e79 1ffff10039467efa ffff8801c8ea2f80 [ 1098.257058] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca33f908 [ 1098.257068] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1098.257070] Call Trace: ** 29 printk messages dropped ** [ 1098.257316] lowmem_reserve[]: 0 3505 3505 [ 1098.257334] Normal free:5440kB min:5580kB low:9168kB high:12756kB active_anon:20268kB inactive_anon:168kB active_file:36kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16428kB slab_unreclaimable:231300kB kernel_stack:4224kB pagetables:1692kB bounce:0kB free_pcp:328kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1098.257388] DMA32: 21*4kB (UM) 18*8kB (ME) 10*16kB (UME) 17*32kB (ME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18660kB Normal: 294*4kB (UMH) 159*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5440kB 116 total pagecache pages [ 1098.257432] 0 pages in swap cache [ 1098.257436] Swap cache stats: add 0, delete 0, find 0/0 [ 1098.257438] Free swap = 0kB [ 1098.257440] Total swap = 0kB [ 1098.257443] 1965979 pages RAM [ 1098.257445] 0 pages HighMem/MovableOnly [ 1098.257447] 313617 pages reserved [ 1098.257964] syz-executor.5: page allocation stalls for 100040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1098.257970] CPU: 1 PID: 2231 Comm: syz-executor.5 Not tainted 4.9.141+ #1 [ 1098.257982] ffff8801c96df7c0 ffffffff81b42e79 1ffff100392dbefa ffff8801ca2217c0 [ 1098.257993] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c96df908 [ 1098.258003] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1098.258004] Call Trace: [ 1098.258013] [] dump_stack+0xc1/0x128 [ 1098.258021] [] warn_alloc.cold.31+0x7f/0x9c [ 1098.258029] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1098.258036] [] ? shrink_node+0x740/0x740 [ 1098.258045] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1098.258052] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1098.258061] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1098.258069] [] ? check_preemption_disabled+0x3b/0x200 [ 1098.258076] [] ? find_get_entry+0x11a/0x570 [ 1098.258083] [] ? find_get_entry+0x141/0x570 [ 1098.258090] [] ? page_cache_prev_hole+0x80/0x80 [ 1098.258097] [] ? pagecache_get_page+0x131/0x710 [ 1098.258109] [] filemap_fault+0xaf1/0x1110 [ 1098.258117] [] ext4_filemap_fault+0x71/0xa0 ** 21 printk messages dropped ** [ 1098.258374] 0 pages in swap cache [ 1098.258378] Swap cache stats: add 0, delete 0, find 0/0 [ 1098.258380] Free swap = 0kB [ 1098.258382] Total swap = 0kB [ 1098.258384] 1965979 pages RAM [ 1098.258386] 0 pages HighMem/MovableOnly ** 2 printk messages dropped ** [ 1099.664849] lowmemorykiller: Killing 'syz-executor.1' (2398) (tgid 2389), adj 1000, [ 1099.664849] to free 140kB on behalf of 'cron' (1931) because [ 1099.664849] cache 272kB is below limit 6144kB for oom_score_adj 0 [ 1099.664849] Free memory is -13404kB above reserved ** 415 printk messages dropped ** [ 1108.245793] lowmem_reserve[]: 0 0 0 [ 1108.245842] DMA32: 21*4kB (UM) 18*8kB (ME) 10*16kB (UME) 17*32kB (ME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18660kB Normal: 294*4kB (UMH) 159*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5440kB 116 total pagecache pages [ 1108.245887] 0 pages in swap cache [ 1108.245891] Swap cache stats: add 0, delete 0, find 0/0 [ 1108.245893] Free swap = 0kB [ 1108.245895] Total swap = 0kB [ 1108.245897] 1965979 pages RAM [ 1108.245899] 0 pages HighMem/MovableOnly [ 1108.245901] 313617 pages reserved [ 1108.254814] syz-executor.0: page allocation stalls for 110100ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1108.254821] CPU: 0 PID: 2234 Comm: syz-executor.0 Not tainted 4.9.141+ #1 [ 1108.254833] ffff8801c88df7c0 ffffffff81b42e79 1ffff1003911befa ffff8801c93a17c0 [ 1108.254843] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c88df908 [ 1108.254853] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1108.254855] Call Trace: [ 1108.254864] [] dump_stack+0xc1/0x128 [ 1108.254872] [] warn_alloc.cold.31+0x7f/0x9c [ 1108.254880] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1108.254888] [] ? shrink_node+0x740/0x740 [ 1108.254897] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1108.254904] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1108.254913] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1108.254922] [] ? check_preemption_disabled+0x3b/0x200 [ 1108.254929] [] ? find_get_entry+0x11a/0x570 [ 1108.254936] [] ? find_get_entry+0x141/0x570 [ 1108.254943] [] ? page_cache_prev_hole+0x80/0x80 [ 1108.254951] [] ? pagecache_get_page+0x131/0x710 [ 1108.254958] [] filemap_fault+0xaf1/0x1110 [ 1108.254966] [] ext4_filemap_fault+0x71/0xa0 [ 1108.254973] [] __do_fault+0x223/0x500 [ 1108.254980] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1108.254987] [] ? handle_mm_fault+0x1d4f/0x2350 [ 1108.254994] [] handle_mm_fault+0x1326/0x2350 [ 1108.255001] [] ? vm_insert_page+0x6f0/0x6f0 [ 1108.255008] [] ? hrtimer_nanosleep+0x38c/0x550 [ 1108.255017] [] __do_page_fault+0x403/0xa60 [ 1108.255025] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1108.255033] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1108.255040] [] do_page_fault+0x27/0x30 [ 1108.255047] [] page_fault+0x25/0x30 [ 1108.255050] Mem-Info: [ 1108.255070] active_anon:5067 inactive_anon:42 isolated_anon:0 [ 1108.255070] active_file:19 inactive_file:48 isolated_file:0 [ 1108.255070] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1108.255070] slab_reclaimable:4111 slab_unreclaimable:57868 [ 1108.255070] mapped:33 shmem:48 pagetables:423 bounce:0 [ 1108.255070] free:6025 free_pcp:112 free_cma:0 [ 1108.255083] Node 0 active_anon:20268kB inactive_anon:168kB active_file:76kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:132kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes [ 1108.255101] DMA32 free:18660kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:40kB inactive_file:104kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:172kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1108.255127] Normal free:5440kB min:5580kB low:9168kB high:12756kB active_anon:20268kB inactive_anon:168kB active_file:36kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16428kB slab_unreclaimable:231300kB kernel_stack:4224kB pagetables:1692kB bounce:0kB free_pcp:328kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1108.255181] DMA32: 21*4kB (UM) 18*8kB (ME) 10*16kB (UME) 17*32kB (ME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18660kB Normal: 294*4kB (UMH) 159*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5440kB ** 28 printk messages dropped ** [ 1108.287829] [] ext4_filemap_fault+0x71/0xa0 [ 1108.287835] [] __do_fault+0x223/0x500 ** 5 printk messages dropped ** [ 1108.287880] [] __do_page_fault+0x403/0xa60 [ 1108.287888] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1108.287897] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1108.287904] [] do_page_fault+0x27/0x30 [ 1108.287912] [] page_fault+0x25/0x30 [ 1108.287915] Mem-Info: [ 1108.287932] active_anon:5067 inactive_anon:42 isolated_anon:0 [ 1108.287932] active_file:19 inactive_file:48 isolated_file:0 [ 1108.287932] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1108.287932] slab_reclaimable:4111 slab_unreclaimable:57868 [ 1108.287932] mapped:33 shmem:48 pagetables:423 bounce:0 [ 1108.287932] free:6025 free_pcp:112 free_cma:0 [ 1108.287945] Node 0 active_anon:20268kB inactive_anon:168kB active_file:76kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:132kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes [ 1108.287963] DMA32 free:18660kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:40kB inactive_file:104kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:172kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1108.287989] Normal free:5440kB min:5580kB low:9168kB high:12756kB active_anon:20268kB inactive_anon:168kB active_file:36kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16428kB slab_unreclaimable:231300kB kernel_stack:4224kB pagetables:1692kB bounce:0kB free_pcp:328kB local_pcp:228kB free_cma:0kB ** 44 printk messages dropped ** [ 1108.296998] Node 0 active_anon:20268kB inactive_anon:168kB active_file:76kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:132kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes [ 1108.297016] DMA32 free:18660kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:40kB inactive_file:104kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:172kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1108.297042] Normal free:5440kB min:5580kB low:9168kB high:12756kB active_anon:20268kB inactive_anon:168kB active_file:36kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16428kB slab_unreclaimable:231300kB kernel_stack:4224kB pagetables:1692kB bounce:0kB free_pcp:328kB local_pcp:100kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1108.297096] DMA32: 21*4kB (UM) 18*8kB (ME) 10*16kB (UME) 17*32kB (ME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18660kB Normal: 294*4kB (UMH) 159*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5440kB 116 total pagecache pages [ 1108.297140] 0 pages in swap cache [ 1108.297144] Swap cache stats: add 0, delete 0, find 0/0 [ 1108.297146] Free swap = 0kB [ 1108.297149] Total swap = 0kB [ 1108.297151] 1965979 pages RAM [ 1108.297153] 0 pages HighMem/MovableOnly [ 1108.297155] 313617 pages reserved [ 1108.311596] syz-executor.3: page allocation stalls for 110120ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1108.311603] CPU: 1 PID: 2233 Comm: syz-executor.3 Not tainted 4.9.141+ #1 [ 1108.311615] ffff8801c88e77c0 ffffffff81b42e79 1ffff1003911cefa ffff8801c8f097c0 [ 1108.311625] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c88e7908 [ 1108.311635] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1108.311637] Call Trace: [ 1108.311646] [] dump_stack+0xc1/0x128 [ 1108.311654] [] warn_alloc.cold.31+0x7f/0x9c [ 1108.311662] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1108.311670] [] ? shrink_node+0x740/0x740 ** 29 printk messages dropped ** [ 1108.311926] lowmem_reserve[]: 0 0 0 [ 1108.311973] DMA32: 21*4kB (UM) 18*8kB (ME) 10*16kB (UME) 17*32kB (ME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18660kB Normal: 294*4kB (UMH) 159*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5440kB ** 91 printk messages dropped ** [ 1112.918290] [] handle_mm_fault+0x1326/0x2350 ** 271 printk messages dropped ** [ 1118.195468] Normal: 294*4kB (UMH) 159*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5440kB 116 total pagecache pages [ 1118.195473] 0 pages in swap cache [ 1118.195477] Swap cache stats: add 0, delete 0, find 0/0 [ 1118.195479] Free swap = 0kB [ 1118.195481] Total swap = 0kB [ 1118.195483] 1965979 pages RAM [ 1118.195485] 0 pages HighMem/MovableOnly [ 1118.195487] 313617 pages reserved [ 1118.228133] syz-executor.4: page allocation stalls for 120020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1118.228141] CPU: 1 PID: 2237 Comm: syz-executor.4 Not tainted 4.9.141+ #1 [ 1118.228154] ffff8801ca33f7c0 ffffffff81b42e79 1ffff10039467efa ffff8801c8ea2f80 [ 1118.228165] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca33f908 [ 1118.228175] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1118.228176] Call Trace: [ 1118.228187] [] dump_stack+0xc1/0x128 [ 1118.228195] [] warn_alloc.cold.31+0x7f/0x9c [ 1118.228204] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1118.228212] [] ? shrink_node+0x740/0x740 [ 1118.228221] [] __alloc_pages_nodemask+0x1566/0x1bd0 ** 37 printk messages dropped ** [ 1118.236406] syz-executor.1: page allocation stalls for 120050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1118.236413] CPU: 0 PID: 2238 Comm: syz-executor.1 Not tainted 4.9.141+ #1 [ 1118.236427] ffff8801c97df7c0 ffffffff81b42e79 1ffff100392fbefa ffff8801c93a4740 ** 3 printk messages dropped ** [ 1118.236458] [] dump_stack+0xc1/0x128 [ 1118.236466] [] warn_alloc.cold.31+0x7f/0x9c [ 1118.236474] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1118.236482] [] ? shrink_node+0x740/0x740 [ 1118.236491] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1118.236498] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1118.236511] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1118.236520] [] ? check_preemption_disabled+0x3b/0x200 [ 1118.236527] [] ? find_get_entry+0x11a/0x570 [ 1118.236534] [] ? find_get_entry+0x141/0x570 [ 1118.236541] [] ? page_cache_prev_hole+0x80/0x80 [ 1118.236549] [] ? pagecache_get_page+0x131/0x710 [ 1118.236556] [] filemap_fault+0xaf1/0x1110 [ 1118.236564] [] ext4_filemap_fault+0x71/0xa0 [ 1118.236571] [] __do_fault+0x223/0x500 [ 1118.236578] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1118.236585] [] ? handle_mm_fault+0x1d4f/0x2350 [ 1118.236592] [] handle_mm_fault+0x1326/0x2350 [ 1118.236600] [] ? vm_insert_page+0x6f0/0x6f0 [ 1118.236607] [] ? hrtimer_nanosleep+0x38c/0x550 [ 1118.236615] [] __do_page_fault+0x403/0xa60 [ 1118.236623] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1118.236631] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1118.236638] [] do_page_fault+0x27/0x30 [ 1118.236645] [] page_fault+0x25/0x30 [ 1118.236649] Mem-Info: [ 1118.236664] active_anon:5067 inactive_anon:42 isolated_anon:0 [ 1118.236664] active_file:19 inactive_file:48 isolated_file:0 [ 1118.236664] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1118.236664] slab_reclaimable:4111 slab_unreclaimable:57868 [ 1118.236664] mapped:33 shmem:48 pagetables:423 bounce:0 [ 1118.236664] free:6025 free_pcp:112 free_cma:0 [ 1118.236677] Node 0 active_anon:20268kB inactive_anon:168kB active_file:76kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:132kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes ** 35 printk messages dropped ** [ 1118.250342] [] __do_fault+0x223/0x500 [ 1118.250349] [] ? do_page_mkwrite+0x3e0/0x3e0 ** 5 printk messages dropped ** [ 1118.250394] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1118.250402] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1118.250409] [] do_page_fault+0x27/0x30 [ 1118.250416] [] page_fault+0x25/0x30 [ 1118.250419] Mem-Info: [ 1118.250435] active_anon:5067 inactive_anon:42 isolated_anon:0 [ 1118.250435] active_file:19 inactive_file:48 isolated_file:0 [ 1118.250435] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1118.250435] slab_reclaimable:4111 slab_unreclaimable:57868 [ 1118.250435] mapped:33 shmem:48 pagetables:423 bounce:0 [ 1118.250435] free:6025 free_pcp:112 free_cma:0 [ 1118.250447] Node 0 active_anon:20268kB inactive_anon:168kB active_file:76kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:132kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes [ 1118.250465] DMA32 free:18660kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:40kB inactive_file:104kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:172kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1118.250492] Normal free:5440kB min:5580kB low:9168kB high:12756kB active_anon:20268kB inactive_anon:168kB active_file:36kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16428kB slab_unreclaimable:231300kB kernel_stack:4224kB pagetables:1692kB bounce:0kB free_pcp:328kB local_pcp:228kB free_cma:0kB ** 44 printk messages dropped ** [ 1118.255733] Node 0 active_anon:20268kB inactive_anon:168kB active_file:76kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:132kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes ** 1 printk messages dropped ** [ 1118.255758] lowmem_reserve[]: 0 3505 3505 [ 1118.255776] Normal free:5440kB min:5580kB low:9168kB high:12756kB active_anon:20268kB inactive_anon:168kB active_file:36kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16428kB slab_unreclaimable:231300kB kernel_stack:4224kB pagetables:1692kB bounce:0kB free_pcp:328kB local_pcp:100kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1118.255830] DMA32: 21*4kB (UM) 18*8kB (ME) 10*16kB (UME) 17*32kB (ME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18660kB Normal: 294*4kB (UMH) 159*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5440kB 116 total pagecache pages [ 1118.255874] 0 pages in swap cache [ 1118.255878] Swap cache stats: add 0, delete 0, find 0/0 [ 1118.255880] Free swap = 0kB [ 1118.255882] Total swap = 0kB [ 1118.255884] 1965979 pages RAM [ 1118.255886] 0 pages HighMem/MovableOnly [ 1118.255888] 313617 pages reserved [ 1118.295039] syz-executor.0: page allocation stalls for 120140ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1118.295046] CPU: 0 PID: 2234 Comm: syz-executor.0 Not tainted 4.9.141+ #1 [ 1118.295062] ffff8801c88df7c0 ffffffff81b42e79 1ffff1003911befa ffff8801c93a17c0 [ 1118.295072] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c88df908 [ 1118.295082] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1118.295084] Call Trace: [ 1118.295097] [] dump_stack+0xc1/0x128 [ 1118.295106] [] warn_alloc.cold.31+0x7f/0x9c [ 1118.295115] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1118.295123] [] ? shrink_node+0x740/0x740 [ 1118.295132] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1118.295140] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1118.295149] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1118.295158] [] ? check_preemption_disabled+0x3b/0x200 [ 1118.295166] [] ? find_get_entry+0x11a/0x570 [ 1118.295173] [] ? find_get_entry+0x141/0x570 ** 23 printk messages dropped ** [ 1118.295460] Normal: 294*4kB (UMH) 159*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5440kB 116 total pagecache pages [ 1118.295465] 0 pages in swap cache [ 1118.295469] Swap cache stats: add 0, delete 0, find 0/0 [ 1118.295471] Free swap = 0kB [ 1118.295473] Total swap = 0kB [ 1118.295476] 1965979 pages RAM [ 1118.295478] 0 pages HighMem/MovableOnly ** 83 printk messages dropped ** [ 1122.996734] [] ? vm_insert_page+0x6f0/0x6f0 [ 1122.996744] [] ? kvm_clock_get_cycles+0x9/0x10 ** 280 printk messages dropped ** [ 1128.214598] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1128.214600] Call Trace: [ 1128.214613] [] dump_stack+0xc1/0x128 [ 1128.214621] [] warn_alloc.cold.31+0x7f/0x9c [ 1128.214629] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1128.214638] [] ? shrink_node+0x740/0x740 [ 1128.214647] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1128.214655] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1128.214663] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1128.214672] [] ? check_preemption_disabled+0x3b/0x200 [ 1128.214679] [] ? find_get_entry+0x11a/0x570 [ 1128.214686] [] ? find_get_entry+0x141/0x570 [ 1128.214693] [] ? page_cache_prev_hole+0x80/0x80 [ 1128.214702] [] ? autoremove_wake_function+0x40/0x40 [ 1128.214709] [] ? pagecache_get_page+0x131/0x710 [ 1128.214716] [] filemap_fault+0xaf1/0x1110 [ 1128.214725] [] ext4_filemap_fault+0x71/0xa0 [ 1128.214739] [] __do_fault+0x223/0x500 [ 1128.214745] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1128.214751] [] ? handle_mm_fault+0x1d4f/0x2350 [ 1128.214758] [] handle_mm_fault+0x1326/0x2350 [ 1128.214765] [] ? vm_insert_page+0x6f0/0x6f0 [ 1128.214772] [] ? hrtimer_nanosleep+0x38c/0x550 [ 1128.214779] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1128.214787] [] __do_page_fault+0x403/0xa60 [ 1128.214795] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1128.214804] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1128.214811] [] do_page_fault+0x27/0x30 [ 1128.214818] [] page_fault+0x25/0x30 [ 1128.218183] syz-executor.4: page allocation stalls for 130010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1128.218190] CPU: 0 PID: 2237 Comm: syz-executor.4 Not tainted 4.9.141+ #1 [ 1128.218201] ffff8801ca33f7c0 ffffffff81b42e79 1ffff10039467efa ffff8801c8ea2f80 [ 1128.218212] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca33f908 [ 1128.218221] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1128.218223] Call Trace: [ 1128.218231] [] dump_stack+0xc1/0x128 [ 1128.218239] [] warn_alloc.cold.31+0x7f/0x9c [ 1128.218247] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1128.218255] [] ? shrink_node+0x740/0x740 [ 1128.218263] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1128.218270] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1128.218279] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1128.218287] [] ? check_preemption_disabled+0x3b/0x200 [ 1128.218294] [] ? find_get_entry+0x11a/0x570 [ 1128.218301] [] ? find_get_entry+0x141/0x570 [ 1128.218308] [] ? page_cache_prev_hole+0x80/0x80 [ 1128.218316] [] ? pagecache_get_page+0x131/0x710 [ 1128.218323] [] filemap_fault+0xaf1/0x1110 [ 1128.218331] [] ext4_filemap_fault+0x71/0xa0 [ 1128.218337] [] __do_fault+0x223/0x500 [ 1128.218344] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1128.218351] [] ? handle_mm_fault+0x1d4f/0x2350 [ 1128.218358] [] handle_mm_fault+0x1326/0x2350 [ 1128.218365] [] ? vm_insert_page+0x6f0/0x6f0 [ 1128.218373] [] ? hrtimer_nanosleep+0x38c/0x550 [ 1128.218381] [] __do_page_fault+0x403/0xa60 [ 1128.218388] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1128.218397] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1128.218404] [] do_page_fault+0x27/0x30 [ 1128.218411] [] page_fault+0x25/0x30 [ 1128.218414] Mem-Info: ** 17 printk messages dropped ** [ 1128.225173] CPU: 0 PID: 2210 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1128.225186] ffff8801c8c4f7c0 ffffffff81b42e79 1ffff10039189efa ffff8801c94a0000 [ 1128.225196] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c8c4f908 [ 1128.225206] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1128.225208] Call Trace: ** 1 printk messages dropped ** [ 1128.225224] [] warn_alloc.cold.31+0x7f/0x9c [ 1128.225232] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1128.225240] [] ? shrink_node+0x740/0x740 [ 1128.225249] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1128.225256] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1128.225265] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1128.225273] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1128.225280] [] ? find_get_entry+0x11a/0x570 [ 1128.225287] [] ? find_get_entry+0x141/0x570 [ 1128.225294] [] ? page_cache_prev_hole+0x80/0x80 [ 1128.225302] [] ? autoremove_wake_function+0x40/0x40 [ 1128.225310] [] ? pagecache_get_page+0x131/0x710 [ 1128.225317] [] filemap_fault+0xaf1/0x1110 [ 1128.225325] [] ext4_filemap_fault+0x71/0xa0 [ 1128.225332] [] __do_fault+0x223/0x500 [ 1128.225338] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1128.225347] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1128.225354] [] handle_mm_fault+0x1326/0x2350 [ 1128.225361] [] ? vm_insert_page+0x6f0/0x6f0 [ 1128.225368] [] ? debug_lockdep_rcu_enabled+0x77/0x90 ** 26 printk messages dropped ** [ 1128.274843] lowmem_reserve[]: 0 3505 3505 [ 1128.274861] Normal free:5432kB min:5580kB low:9168kB high:12756kB active_anon:20268kB inactive_anon:168kB active_file:36kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16428kB slab_unreclaimable:231312kB kernel_stack:4224kB pagetables:1692kB bounce:0kB free_pcp:324kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1128.274916] DMA32: 21*4kB (UM) 18*8kB (ME) 10*16kB (UME) 17*32kB (ME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18660kB Normal: 294*4kB (UMH) 158*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5432kB 116 total pagecache pages [ 1128.274961] 0 pages in swap cache [ 1128.274965] Swap cache stats: add 0, delete 0, find 0/0 [ 1128.274967] Free swap = 0kB [ 1128.274969] Total swap = 0kB [ 1128.274971] 1965979 pages RAM [ 1128.274973] 0 pages HighMem/MovableOnly [ 1128.274976] 313617 pages reserved [ 1128.285532] syz-executor.5: page allocation stalls for 130070ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1128.285540] CPU: 1 PID: 2231 Comm: syz-executor.5 Not tainted 4.9.141+ #1 [ 1128.285556] ffff8801c96df7c0 ffffffff81b42e79 1ffff100392dbefa ffff8801ca2217c0 [ 1128.285566] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c96df908 [ 1128.285576] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1128.285578] Call Trace: [ 1128.285592] [] dump_stack+0xc1/0x128 [ 1128.285601] [] warn_alloc.cold.31+0x7f/0x9c [ 1128.285610] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1128.285618] [] ? shrink_node+0x740/0x740 [ 1128.285627] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1128.285636] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1128.285644] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1128.285653] [] ? check_preemption_disabled+0x3b/0x200 [ 1128.285660] [] ? find_get_entry+0x11a/0x570 [ 1128.285668] [] ? find_get_entry+0x141/0x570 ** 36 printk messages dropped ** [ 1128.288569] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1128.288571] Call Trace: [ 1128.288580] [] dump_stack+0xc1/0x128 ** 86 printk messages dropped ** [ 1133.015244] DMA32 free:18660kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:40kB inactive_file:104kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:172kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB ** 290 printk messages dropped ** [ 1138.218279] [] filemap_fault+0xaf1/0x1110 [ 1138.218287] [] ext4_filemap_fault+0x71/0xa0 [ 1138.218294] [] __do_fault+0x223/0x500 [ 1138.218301] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1138.218308] [] ? handle_mm_fault+0x1d4f/0x2350 [ 1138.218315] [] handle_mm_fault+0x1326/0x2350 [ 1138.218323] [] ? vm_insert_page+0x6f0/0x6f0 [ 1138.218330] [] ? hrtimer_nanosleep+0x38c/0x550 [ 1138.218339] [] __do_page_fault+0x403/0xa60 [ 1138.218347] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1138.218356] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1138.218363] [] do_page_fault+0x27/0x30 [ 1138.218370] [] page_fault+0x25/0x30 [ 1138.218373] Mem-Info: [ 1138.218389] active_anon:5067 inactive_anon:42 isolated_anon:0 [ 1138.218389] active_file:19 inactive_file:48 isolated_file:0 [ 1138.218389] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1138.218389] slab_reclaimable:4111 slab_unreclaimable:57871 [ 1138.218389] mapped:33 shmem:48 pagetables:423 bounce:0 [ 1138.218389] free:6023 free_pcp:111 free_cma:0 ** 41 printk messages dropped ** [ 1138.236622] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1138.236630] [] __do_page_fault+0x403/0xa60 [ 1138.236637] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1138.236645] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1138.236652] [] do_page_fault+0x27/0x30 [ 1138.236659] [] page_fault+0x25/0x30 [ 1138.236662] Mem-Info: [ 1138.236678] active_anon:5067 inactive_anon:42 isolated_anon:0 [ 1138.236678] active_file:19 inactive_file:48 isolated_file:0 [ 1138.236678] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1138.236678] slab_reclaimable:4111 slab_unreclaimable:57871 [ 1138.236678] mapped:33 shmem:48 pagetables:423 bounce:0 [ 1138.236678] free:6023 free_pcp:111 free_cma:0 [ 1138.236691] Node 0 active_anon:20268kB inactive_anon:168kB active_file:76kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:132kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes [ 1138.236708] DMA32 free:18660kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:40kB inactive_file:104kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:172kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1138.236734] Normal free:5432kB min:5580kB low:9168kB high:12756kB active_anon:20268kB inactive_anon:168kB active_file:36kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16428kB slab_unreclaimable:231312kB kernel_stack:4224kB pagetables:1692kB bounce:0kB free_pcp:324kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1138.236788] DMA32: 21*4kB (UM) 18*8kB (ME) 10*16kB (UME) 17*32kB (ME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18660kB Normal: 294*4kB (UMH) 158*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5432kB 116 total pagecache pages [ 1138.236833] 0 pages in swap cache [ 1138.236837] Swap cache stats: add 0, delete 0, find 0/0 [ 1138.236839] Free swap = 0kB [ 1138.236841] Total swap = 0kB [ 1138.236843] 1965979 pages RAM [ 1138.236845] 0 pages HighMem/MovableOnly [ 1138.236848] 313617 pages reserved [ 1138.266122] syz-executor.0: page allocation stalls for 140110ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) ** 34 printk messages dropped ** [ 1138.266418] lowmem_reserve[]: 0 3505 3505 [ 1138.266436] Normal free:5432kB min:5580kB low:9168kB high:12756kB active_anon:20268kB inactive_anon:168kB active_file:36kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16428kB slab_unreclaimable:231312kB kernel_stack:4224kB pagetables:1692kB bounce:0kB free_pcp:324kB local_pcp:96kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1138.266490] DMA32: 21*4kB (UM) 18*8kB (ME) 10*16kB (UME) 17*32kB (ME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18660kB Normal: 294*4kB (UMH) 158*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5432kB 116 total pagecache pages [ 1138.266534] 0 pages in swap cache [ 1138.266538] Swap cache stats: add 0, delete 0, find 0/0 [ 1138.266540] Free swap = 0kB [ 1138.266542] Total swap = 0kB [ 1138.266545] 1965979 pages RAM [ 1138.266547] 0 pages HighMem/MovableOnly [ 1138.266549] 313617 pages reserved [ 1138.266985] syz-executor.1: page allocation stalls for 140080ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1138.266992] CPU: 0 PID: 2238 Comm: syz-executor.1 Not tainted 4.9.141+ #1 [ 1138.267004] ffff8801c97df7c0 ffffffff81b42e79 1ffff100392fbefa ffff8801c93a4740 [ 1138.267014] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c97df908 [ 1138.267024] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1138.267026] Call Trace: [ 1138.267035] [] dump_stack+0xc1/0x128 [ 1138.267043] [] warn_alloc.cold.31+0x7f/0x9c ** 29 printk messages dropped ** [ 1138.267296] lowmem_reserve[]: 0 0 0 [ 1138.267342] DMA32: 21*4kB (UM) 18*8kB (ME) 10*16kB (UME) 17*32kB (ME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18660kB Normal: 294*4kB (UMH) 158*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5432kB 116 total pagecache pages [ 1138.267386] 0 pages in swap cache [ 1138.267390] Swap cache stats: add 0, delete 0, find 0/0 [ 1138.267392] Free swap = 0kB [ 1138.267394] Total swap = 0kB [ 1138.267396] 1965979 pages RAM [ 1138.267398] 0 pages HighMem/MovableOnly [ 1138.267401] 313617 pages reserved [ 1138.284955] syz-executor.5: page allocation stalls for 140070ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1138.284962] CPU: 0 PID: 2231 Comm: syz-executor.5 Not tainted 4.9.141+ #1 [ 1138.284976] ffff8801c96df7c0 ffffffff81b42e79 1ffff100392dbefa ffff8801ca2217c0 [ 1138.284986] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c96df908 [ 1138.284996] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1138.284998] Call Trace: [ 1138.285009] [] dump_stack+0xc1/0x128 [ 1138.285018] [] warn_alloc.cold.31+0x7f/0x9c [ 1138.285026] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1138.285033] [] ? shrink_node+0x740/0x740 [ 1138.285042] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1138.285050] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1138.285059] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1138.285067] [] ? check_preemption_disabled+0x3b/0x200 [ 1138.285074] [] ? find_get_entry+0x11a/0x570 [ 1138.285082] [] ? find_get_entry+0x141/0x570 [ 1138.285089] [] ? page_cache_prev_hole+0x80/0x80 [ 1138.285096] [] ? pagecache_get_page+0x131/0x710 [ 1138.285104] [] filemap_fault+0xaf1/0x1110 [ 1138.285112] [] ext4_filemap_fault+0x71/0xa0 [ 1138.285118] [] __do_fault+0x223/0x500 [ 1138.285125] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1138.285133] [] ? handle_mm_fault+0x1d4f/0x2350 [ 1138.285140] [] handle_mm_fault+0x1326/0x2350 [ 1138.285147] [] ? vm_insert_page+0x6f0/0x6f0 [ 1138.285155] [] ? hrtimer_nanosleep+0x38c/0x550 ** 26 printk messages dropped ** [ 1139.899786] ffff8801c8c97700 ffffffff81b42e79 1ffff10039192ee2 ffff8801c8ea4740 [ 1139.899794] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c8c97848 [ 1139.899803] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1139.899805] Call Trace: [ 1139.899820] [] dump_stack+0xc1/0x128 [ 1139.899830] [] warn_alloc.cold.31+0x7f/0x9c ** 42 printk messages dropped ** [ 1140.174864] lowmemorykiller: Killing 'syz-executor.1' (2398) (tgid 2389), adj 1000, [ 1140.174864] to free 140kB on behalf of 'syz-executor.3' (2395) because [ 1140.174864] cache 272kB is below limit 6144kB for oom_score_adj 0 [ 1140.174864] Free memory is -13412kB above reserved ** 336 printk messages dropped ** [ 1148.232068] [] __do_page_fault+0x403/0xa60 [ 1148.232076] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1148.232085] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1148.232092] [] do_page_fault+0x27/0x30 ** 3 printk messages dropped ** [ 1148.232131] Node 0 active_anon:20268kB inactive_anon:168kB active_file:76kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:132kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes [ 1148.232149] DMA32 free:18660kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:40kB inactive_file:104kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:172kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1148.232174] Normal free:5432kB min:5580kB low:9168kB high:12756kB active_anon:20268kB inactive_anon:168kB active_file:36kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16428kB slab_unreclaimable:231312kB kernel_stack:4224kB pagetables:1692kB bounce:0kB free_pcp:324kB local_pcp:96kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1148.232229] DMA32: 21*4kB (UM) 18*8kB (ME) 10*16kB (UME) 17*32kB (ME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18660kB Normal: 294*4kB (UMH) 158*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5432kB 116 total pagecache pages [ 1148.232281] 0 pages in swap cache [ 1148.232285] Swap cache stats: add 0, delete 0, find 0/0 [ 1148.232287] Free swap = 0kB [ 1148.232289] Total swap = 0kB [ 1148.232292] 1965979 pages RAM [ 1148.232294] 0 pages HighMem/MovableOnly [ 1148.232296] 313617 pages reserved [ 1148.236985] syz-execprog: page allocation stalls for 150040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1148.236992] CPU: 0 PID: 2210 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1148.237005] ffff8801c8c4f7c0 ffffffff81b42e79 1ffff10039189efa ffff8801c94a0000 [ 1148.237015] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c8c4f908 [ 1148.237025] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1148.237026] Call Trace: [ 1148.237036] [] dump_stack+0xc1/0x128 [ 1148.237044] [] warn_alloc.cold.31+0x7f/0x9c [ 1148.237052] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1148.237060] [] ? shrink_node+0x740/0x740 [ 1148.237068] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1148.237075] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1148.237084] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1148.237092] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1148.237099] [] ? find_get_entry+0x11a/0x570 [ 1148.237106] [] ? find_get_entry+0x141/0x570 [ 1148.237113] [] ? page_cache_prev_hole+0x80/0x80 [ 1148.237121] [] ? autoremove_wake_function+0x40/0x40 [ 1148.237129] [] ? pagecache_get_page+0x131/0x710 [ 1148.237136] [] filemap_fault+0xaf1/0x1110 [ 1148.237144] [] ext4_filemap_fault+0x71/0xa0 [ 1148.237150] [] __do_fault+0x223/0x500 [ 1148.237157] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1148.237165] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1148.237172] [] handle_mm_fault+0x1326/0x2350 [ 1148.237180] [] ? vm_insert_page+0x6f0/0x6f0 [ 1148.237187] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1148.237195] [] __do_page_fault+0x403/0xa60 [ 1148.237202] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1148.237211] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1148.237218] [] do_page_fault+0x27/0x30 [ 1148.237225] [] page_fault+0x25/0x30 ** 12 printk messages dropped ** [ 1148.237410] Free swap = 0kB [ 1148.237412] Total swap = 0kB [ 1148.237414] 1965979 pages RAM [ 1148.237416] 0 pages HighMem/MovableOnly [ 1148.237418] 313617 pages reserved [ 1148.244974] syz-executor.4: page allocation stalls for 150040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1148.244981] CPU: 1 PID: 2237 Comm: syz-executor.4 Not tainted 4.9.141+ #1 [ 1148.244994] ffff8801ca33f7c0 ffffffff81b42e79 1ffff10039467efa ffff8801c8ea2f80 [ 1148.245004] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca33f908 [ 1148.245014] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1148.245016] Call Trace: [ 1148.245026] [] dump_stack+0xc1/0x128 [ 1148.245034] [] warn_alloc.cold.31+0x7f/0x9c [ 1148.245042] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1148.245050] [] ? shrink_node+0x740/0x740 [ 1148.245059] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1148.245066] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1148.245075] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1148.245083] [] ? check_preemption_disabled+0x3b/0x200 [ 1148.245091] [] ? find_get_entry+0x11a/0x570 [ 1148.245098] [] ? find_get_entry+0x141/0x570 [ 1148.245105] [] ? page_cache_prev_hole+0x80/0x80 [ 1148.245112] [] ? pagecache_get_page+0x131/0x710 [ 1148.245120] [] filemap_fault+0xaf1/0x1110 [ 1148.245128] [] ext4_filemap_fault+0x71/0xa0 [ 1148.245134] [] __do_fault+0x223/0x500 [ 1148.245141] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1148.245149] [] ? handle_mm_fault+0x1d4f/0x2350 [ 1148.245156] [] handle_mm_fault+0x1326/0x2350 [ 1148.245163] [] ? vm_insert_page+0x6f0/0x6f0 ** 34 printk messages dropped ** [ 1148.265181] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1148.265190] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1148.265198] [] ? check_preemption_disabled+0x3b/0x200 [ 1148.265205] [] ? find_get_entry+0x11a/0x570 [ 1148.265212] [] ? find_get_entry+0x141/0x570 [ 1148.265219] [] ? page_cache_prev_hole+0x80/0x80 [ 1148.265227] [] ? pagecache_get_page+0x131/0x710 [ 1148.265234] [] filemap_fault+0xaf1/0x1110 [ 1148.265242] [] ext4_filemap_fault+0x71/0xa0 [ 1148.265249] [] __do_fault+0x223/0x500 [ 1148.265256] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1148.265280] [] ? handle_mm_fault+0x1d4f/0x2350 [ 1148.265287] [] handle_mm_fault+0x1326/0x2350 [ 1148.265294] [] ? vm_insert_page+0x6f0/0x6f0 [ 1148.265302] [] ? hrtimer_nanosleep+0x38c/0x550 [ 1148.265311] [] __do_page_fault+0x403/0xa60 [ 1148.265318] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1148.265327] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1148.265334] [] do_page_fault+0x27/0x30 [ 1148.265342] [] page_fault+0x25/0x30 [ 1148.265345] Mem-Info: [ 1148.265361] active_anon:5067 inactive_anon:42 isolated_anon:0 [ 1148.265361] active_file:19 inactive_file:48 isolated_file:0 [ 1148.265361] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1148.265361] slab_reclaimable:4111 slab_unreclaimable:57871 [ 1148.265361] mapped:33 shmem:48 pagetables:423 bounce:0 [ 1148.265361] free:6023 free_pcp:111 free_cma:0 [ 1148.265374] Node 0 active_anon:20268kB inactive_anon:168kB active_file:76kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:132kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes [ 1148.265392] DMA32 free:18660kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:40kB inactive_file:104kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:172kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB ** 43 printk messages dropped ** [ 1148.295284] [] page_fault+0x25/0x30 [ 1148.295288] Mem-Info: [ 1148.295304] active_anon:5067 inactive_anon:42 isolated_anon:0 [ 1148.295304] active_file:19 inactive_file:48 isolated_file:0 [ 1148.295304] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1148.295304] slab_reclaimable:4111 slab_unreclaimable:57871 [ 1148.295304] mapped:33 shmem:48 pagetables:423 bounce:0 [ 1148.295304] free:6023 free_pcp:111 free_cma:0 ** 354 printk messages dropped ** [ 1158.215622] [] handle_mm_fault+0x1326/0x2350 [ 1158.215629] [] ? vm_insert_page+0x6f0/0x6f0 [ 1158.215637] [] ? hrtimer_nanosleep+0x38c/0x550 [ 1158.215647] [] __do_page_fault+0x403/0xa60 [ 1158.215654] [] ? bad_area_access_error+0x3a0/0x3a0 ** 2 printk messages dropped ** [ 1158.215680] [] page_fault+0x25/0x30 [ 1158.215683] Mem-Info: [ 1158.215700] active_anon:5067 inactive_anon:42 isolated_anon:0 [ 1158.215700] active_file:19 inactive_file:48 isolated_file:0 [ 1158.215700] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1158.215700] slab_reclaimable:4111 slab_unreclaimable:57871 [ 1158.215700] mapped:33 shmem:48 pagetables:423 bounce:0 [ 1158.215700] free:6023 free_pcp:111 free_cma:0 [ 1158.215714] Node 0 active_anon:20268kB inactive_anon:168kB active_file:76kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:132kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes [ 1158.215731] DMA32 free:18660kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:40kB inactive_file:104kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:172kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB ** 51 printk messages dropped ** [ 1158.245711] ffff8801c8c4f7c0 [ 1158.245711] Node 0 active_anon:20268kB inactive_anon:168kB active_file:76kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:132kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes [ 1158.245725] ffffffff81b42e79DMA32 free:18660kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:40kB inactive_file:104kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:172kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB 1ffff10039189efalowmem_reserve[]: [ 1158.245730] ffff8801c94a0000 0 3505 ffffffff82a97480 [ 1158.245737] 3505 0000000000000001 0000000000400000Normal free:5432kB min:5580kB low:9168kB high:12756kB active_anon:20268kB inactive_anon:168kB active_file:36kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16428kB slab_unreclaimable:231312kB kernel_stack:4224kB pagetables:1692kB bounce:0kB free_pcp:324kB local_pcp:96kB free_cma:0kB ffff8801c8c4f908lowmem_reserve[]: [ 1158.245763] 0 ffffffff814fc7c8 [ 1158.245765] 0 0000000041b58ab3 0 ffffffff82e37a10 ffffffff81427db0DMA32: Call Trace: [ 1158.245781] 21*4kB [] dump_stack+0xc1/0x128 [ 1158.245788] (UM) [] warn_alloc.cold.31+0x7f/0x9c [ 1158.245795] 18*8kB [] ? zone_watermark_ok_safe+0x250/0x250 [ 1158.245801] (ME) [] ? shrink_node+0x740/0x740 [ 1158.245809] 10*16kB [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1158.245815] (UME) [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1158.245822] 17*32kB [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1158.245830] (ME) [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1158.245836] 19*64kB [] ? find_get_entry+0x11a/0x570 [ 1158.245842] (ME) [] ? find_get_entry+0x141/0x570 [ 1158.245848] 3*128kB [] ? page_cache_prev_hole+0x80/0x80 [ 1158.245856] (ME) [] ? autoremove_wake_function+0x40/0x40 [ 1158.245862] 5*256kB [] ? pagecache_get_page+0x131/0x710 [ 1158.245869] (UME) [] filemap_fault+0xaf1/0x1110 [ 1158.245875] 1*512kB [] ext4_filemap_fault+0x71/0xa0 [ 1158.245881] (E) [] __do_fault+0x223/0x500 [ 1158.245887] 10*1024kB [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1158.245893] (UME) [] ? generic_file_readonly_mmap+0x190/0x190 [ 1158.245900] 2*2048kB [] handle_mm_fault+0x1326/0x2350 [ 1158.245906] (U) [] ? vm_insert_page+0x6f0/0x6f0 [ 1158.245913] 0*4096kB [] ? debug_lockdep_rcu_enabled+0x77/0x90 ** 29 printk messages dropped ** [ 1158.246014] 0*1024kB lowmem_reserve[]: [ 1158.246017] 0*2048kB 00*4096kB 0= 5432kB 0116 total pagecache pages [ 1158.246027] DMA32: 0 pages in swap cache [ 1158.246032] 21*4kB Swap cache stats: add 0, delete 0, find 0/0 [ 1158.246034] (UM) Free swap = 0kB [ 1158.246037] 18*8kB Total swap = 0kB [ 1158.246040] (ME) 1965979 pages RAM [ 1158.246043] 10*16kB 0 pages HighMem/MovableOnly [ 1158.246046] (UME) 313617 pages reserved [ 1158.246076] 17*32kB (ME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18660kB Normal: 294*4kB (UMH) 158*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5432kB 116 total pagecache pages [ 1158.246120] 0 pages in swap cache [ 1158.246124] Swap cache stats: add 0, delete 0, find 0/0 [ 1158.246126] Free swap = 0kB [ 1158.246129] Total swap = 0kB [ 1158.246131] 1965979 pages RAM [ 1158.246133] 0 pages HighMem/MovableOnly [ 1158.246135] 313617 pages reserved [ 1158.276840] syz-executor.3: page allocation stalls for 160090ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1158.276848] CPU: 1 PID: 2233 Comm: syz-executor.3 Not tainted 4.9.141+ #1 [ 1158.276863] ffff8801c88e77c0 ffffffff81b42e79 1ffff1003911cefa ffff8801c8f097c0 [ 1158.276873] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c88e7908 [ 1158.276883] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1158.276884] Call Trace: [ 1158.276896] [] dump_stack+0xc1/0x128 [ 1158.276905] [] warn_alloc.cold.31+0x7f/0x9c [ 1158.276914] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1158.276923] [] ? shrink_node+0x740/0x740 [ 1158.276932] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1158.276939] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1158.276948] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1158.276957] [] ? check_preemption_disabled+0x3b/0x200 [ 1158.276964] [] ? find_get_entry+0x11a/0x570 ** 24 printk messages dropped ** [ 1158.277183] lowmem_reserve[]: 0 0 0 [ 1158.277231] DMA32: 21*4kB (UM) 18*8kB (ME) 10*16kB (UME) 17*32kB (ME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18660kB Normal: 294*4kB (UMH) 158*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5432kB 116 total pagecache pages [ 1158.277275] 0 pages in swap cache [ 1158.277279] Swap cache stats: add 0, delete 0, find 0/0 [ 1158.277281] Free swap = 0kB [ 1158.277284] Total swap = 0kB [ 1158.277286] 1965979 pages RAM [ 1158.277288] 0 pages HighMem/MovableOnly [ 1158.277290] 313617 pages reserved [ 1158.315601] syz-executor.5: page allocation stalls for 160100ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1158.315610] CPU: 0 PID: 2231 Comm: syz-executor.5 Not tainted 4.9.141+ #1 [ 1158.315625] ffff8801c96df7c0 ffffffff81b42e79 1ffff100392dbefa ffff8801ca2217c0 [ 1158.315636] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c96df908 [ 1158.315645] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1158.315647] Call Trace: [ 1158.315661] [] dump_stack+0xc1/0x128 [ 1158.315670] [] warn_alloc.cold.31+0x7f/0x9c [ 1158.315679] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1158.315687] [] ? shrink_node+0x740/0x740 [ 1158.315696] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1158.315704] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1158.315713] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1158.315722] [] ? check_preemption_disabled+0x3b/0x200 [ 1158.315729] [] ? find_get_entry+0x11a/0x570 [ 1158.315736] [] ? find_get_entry+0x141/0x570 [ 1158.315743] [] ? page_cache_prev_hole+0x80/0x80 [ 1158.315751] [] ? pagecache_get_page+0x131/0x710 [ 1158.315758] [] filemap_fault+0xaf1/0x1110 [ 1158.315766] [] ext4_filemap_fault+0x71/0xa0 [ 1158.315773] [] __do_fault+0x223/0x500 [ 1158.315780] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1158.315787] [] ? handle_mm_fault+0x1d4f/0x2350 [ 1158.315795] [] handle_mm_fault+0x1326/0x2350 [ 1158.315802] [] ? vm_insert_page+0x6f0/0x6f0 ** 25 printk messages dropped ** [ 1159.574864] lowmemorykiller: Killing 'syz-executor.1' (2398) (tgid 2389), adj 1000, [ 1159.574864] to free 140kB on behalf of 'syz-executor.5' (2418) because [ 1159.574864] cache 272kB is below limit 6144kB for oom_score_adj 0 [ 1159.574864] Free memory is -13412kB above reserved ** 1 printk messages dropped ** [ 1159.936418] syz-executor.2: page allocation stalls for 160090ms, order:0, mode:0x24200ca(GFP_HIGHUSER_MOVABLE) ** 46 printk messages dropped ** [ 1159.936879] 0 pages HighMem/MovableOnly [ 1159.936881] 313617 pages reserved ** 323 printk messages dropped ** [ 1168.195243] [] ? page_cache_prev_hole+0x80/0x80 [ 1168.195251] [] ? autoremove_wake_function+0x40/0x40 [ 1168.195259] [] ? pagecache_get_page+0x131/0x710 [ 1168.195266] [] filemap_fault+0xaf1/0x1110 [ 1168.195274] [] ext4_filemap_fault+0x71/0xa0 [ 1168.195280] [] __do_fault+0x223/0x500 [ 1168.195287] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1168.195294] [] ? handle_mm_fault+0x1d4f/0x2350 [ 1168.195301] [] handle_mm_fault+0x1326/0x2350 [ 1168.195309] [] ? vm_insert_page+0x6f0/0x6f0 [ 1168.195316] [] ? hrtimer_nanosleep+0x38c/0x550 [ 1168.195323] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1168.195331] [] __do_page_fault+0x403/0xa60 [ 1168.195339] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1168.195346] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1168.195352] [] do_page_fault+0x27/0x30 [ 1168.195357] [] page_fault+0x25/0x30 [ 1168.195360] Mem-Info: [ 1168.195374] active_anon:5067 inactive_anon:42 isolated_anon:0 [ 1168.195374] active_file:19 inactive_file:48 isolated_file:0 [ 1168.195374] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1168.195374] slab_reclaimable:4111 slab_unreclaimable:57871 [ 1168.195374] mapped:33 shmem:48 pagetables:423 bounce:0 [ 1168.195374] free:6023 free_pcp:111 free_cma:0 [ 1168.195387] Node 0 active_anon:20268kB inactive_anon:168kB active_file:76kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:132kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes [ 1168.195404] DMA32 free:18660kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:40kB inactive_file:104kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:172kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1168.195430] Normal free:5432kB min:5580kB low:9168kB high:12756kB active_anon:20268kB inactive_anon:168kB active_file:36kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16428kB slab_unreclaimable:231312kB kernel_stack:4224kB pagetables:1692kB bounce:0kB free_pcp:324kB local_pcp:96kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1168.195485] DMA32: 21*4kB (UM) 18*8kB (ME) 10*16kB (UME) 17*32kB (ME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18660kB Normal: 294*4kB (UMH) 158*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5432kB 116 total pagecache pages [ 1168.195530] 0 pages in swap cache [ 1168.195534] Swap cache stats: add 0, delete 0, find 0/0 [ 1168.195536] Free swap = 0kB [ 1168.195538] Total swap = 0kB [ 1168.195540] 1965979 pages RAM [ 1168.195542] 0 pages HighMem/MovableOnly [ 1168.195544] 313617 pages reserved [ 1168.205194] syz-executor.1: page allocation stalls for 170020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1168.205200] CPU: 1 PID: 2238 Comm: syz-executor.1 Not tainted 4.9.141+ #1 [ 1168.205212] ffff8801c97df7c0 ffffffff81b42e79 1ffff100392fbefa ffff8801c93a4740 [ 1168.205223] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c97df908 [ 1168.205233] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1168.205234] Call Trace: [ 1168.205243] [] dump_stack+0xc1/0x128 [ 1168.205251] [] warn_alloc.cold.31+0x7f/0x9c [ 1168.205260] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1168.205268] [] ? shrink_node+0x740/0x740 [ 1168.205277] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1168.205284] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1168.205293] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1168.205301] [] ? check_preemption_disabled+0x3b/0x200 [ 1168.205308] [] ? find_get_entry+0x11a/0x570 [ 1168.205315] [] ? find_get_entry+0x141/0x570 [ 1168.205322] [] ? page_cache_prev_hole+0x80/0x80 [ 1168.205330] [] ? pagecache_get_page+0x131/0x710 [ 1168.205337] [] filemap_fault+0xaf1/0x1110 ** 16 printk messages dropped ** [ 1168.205482] lowmem_reserve[]: 0 3505 3505 [ 1168.205501] Normal free:5432kB min:5580kB low:9168kB high:12756kB active_anon:20268kB inactive_anon:168kB active_file:36kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16428kB slab_unreclaimable:231312kB kernel_stack:4224kB pagetables:1692kB bounce:0kB free_pcp:324kB local_pcp:96kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1168.205555] DMA32: 21*4kB (UM) 18*8kB (ME) 10*16kB (UME) 17*32kB (ME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18660kB Normal: 294*4kB (UMH) 158*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5432kB 116 total pagecache pages [ 1168.205599] 0 pages in swap cache [ 1168.205603] Swap cache stats: add 0, delete 0, find 0/0 [ 1168.205605] Free swap = 0kB [ 1168.205607] Total swap = 0kB [ 1168.205610] 1965979 pages RAM [ 1168.205612] 0 pages HighMem/MovableOnly [ 1168.205614] 313617 pages reserved [ 1168.225474] syz-execprog: page allocation stalls for 170030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1168.225481] CPU: 0 PID: 2210 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1168.225494] ffff8801c8c4f7c0 ffffffff81b42e79 1ffff10039189efa ffff8801c94a0000 [ 1168.225505] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c8c4f908 [ 1168.225514] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1168.225516] Call Trace: [ 1168.225528] [] dump_stack+0xc1/0x128 [ 1168.225536] [] warn_alloc.cold.31+0x7f/0x9c [ 1168.225544] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1168.225552] [] ? shrink_node+0x740/0x740 [ 1168.225561] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1168.225568] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1168.225577] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1168.225585] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1168.225592] [] ? find_get_entry+0x11a/0x570 ** 25 printk messages dropped ** [ 1168.225888] Normal: 294*4kB (UMH) 158*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5432kB 116 total pagecache pages [ 1168.225892] 0 pages in swap cache [ 1168.225896] Swap cache stats: add 0, delete 0, find 0/0 [ 1168.225898] Free swap = 0kB [ 1168.225901] Total swap = 0kB [ 1168.225903] 1965979 pages RAM [ 1168.225905] 0 pages HighMem/MovableOnly [ 1168.225907] 313617 pages reserved [ 1168.254907] syz-executor.4: page allocation stalls for 170050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1168.254915] CPU: 1 PID: 2237 Comm: syz-executor.4 Not tainted 4.9.141+ #1 [ 1168.254930] ffff8801ca33f7c0 ffffffff81b42e79 1ffff10039467efa ffff8801c8ea2f80 [ 1168.254940] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca33f908 [ 1168.254950] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1168.254952] Call Trace: [ 1168.254965] [] dump_stack+0xc1/0x128 [ 1168.254974] [] warn_alloc.cold.31+0x7f/0x9c [ 1168.254982] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1168.254991] [] ? shrink_node+0x740/0x740 [ 1168.255000] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1168.255007] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1168.255016] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1168.255025] [] ? check_preemption_disabled+0x3b/0x200 [ 1168.255033] [] ? find_get_entry+0x11a/0x570 [ 1168.255040] [] ? find_get_entry+0x141/0x570 [ 1168.255047] [] ? page_cache_prev_hole+0x80/0x80 [ 1168.255054] [] ? pagecache_get_page+0x131/0x710 [ 1168.255062] [] filemap_fault+0xaf1/0x1110 [ 1168.255070] [] ext4_filemap_fault+0x71/0xa0 [ 1168.255076] [] __do_fault+0x223/0x500 [ 1168.255082] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1168.255088] syz-executor.5: [ 1168.255088] [] ? handle_mm_fault+0x1d4f/0x2350 [ 1168.255095] page allocation stalls for 170040ms, order:0 [] handle_mm_fault+0x1326/0x2350 [ 1168.255098] , mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) ** 37 printk messages dropped ** [ 1168.255248] (UM) [] warn_alloc.cold.31+0x7f/0x9c ** 9 printk messages dropped ** [ 1168.255283] [] ? gfp_pfmemalloc_allowed+0x110/0x110 ** 126 printk messages dropped ** [ 1172.916666] [] ? vm_insert_page+0x6f0/0x6f0 ** 221 printk messages dropped ** [ 1178.165867] Normal: 294*4kB (UMH) 158*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5432kB ** 45 printk messages dropped ** [ 1178.188424] lowmem_reserve[]: 0 0 0 [ 1178.188471] DMA32: 21*4kB (UM) 18*8kB (ME) 10*16kB (UME) 17*32kB (ME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18660kB Normal: 294*4kB (UMH) 158*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5432kB 116 total pagecache pages [ 1178.188515] 0 pages in swap cache [ 1178.188519] Swap cache stats: add 0, delete 0, find 0/0 [ 1178.188521] Free swap = 0kB [ 1178.188523] Total swap = 0kB [ 1178.188525] 1965979 pages RAM [ 1178.188527] 0 pages HighMem/MovableOnly [ 1178.188529] 313617 pages reserved [ 1178.218025] syz-executor.1: page allocation stalls for 180030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1178.218033] CPU: 1 PID: 2238 Comm: syz-executor.1 Not tainted 4.9.141+ #1 [ 1178.218047] ffff8801c97df7c0 ffffffff81b42e79 1ffff100392fbefa ffff8801c93a4740 [ 1178.218057] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c97df908 [ 1178.218067] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 ** 38 printk messages dropped ** [ 1178.218444] Free swap = 0kB ** 7 printk messages dropped ** [ 1178.229091] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c8c4f908 [ 1178.229101] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1178.229103] Call Trace: [ 1178.229112] [] dump_stack+0xc1/0x128 [ 1178.229120] [] warn_alloc.cold.31+0x7f/0x9c [ 1178.229128] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1178.229136] [] ? shrink_node+0x740/0x740 [ 1178.229145] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1178.229152] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1178.229161] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1178.229169] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1178.229176] [] ? find_get_entry+0x11a/0x570 [ 1178.229184] [] ? find_get_entry+0x141/0x570 [ 1178.229190] [] ? page_cache_prev_hole+0x80/0x80 [ 1178.229198] [] ? autoremove_wake_function+0x40/0x40 [ 1178.229206] [] ? pagecache_get_page+0x131/0x710 [ 1178.229213] [] filemap_fault+0xaf1/0x1110 [ 1178.229221] [] ext4_filemap_fault+0x71/0xa0 [ 1178.229227] [] __do_fault+0x223/0x500 [ 1178.229235] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1178.229243] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1178.229250] [] handle_mm_fault+0x1326/0x2350 [ 1178.229257] [] ? vm_insert_page+0x6f0/0x6f0 [ 1178.229264] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1178.229272] [] __do_page_fault+0x403/0xa60 [ 1178.229280] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1178.229288] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1178.229295] [] do_page_fault+0x27/0x30 [ 1178.229301] [] page_fault+0x25/0x30 [ 1178.229304] Mem-Info: [ 1178.229320] active_anon:5067 inactive_anon:42 isolated_anon:0 [ 1178.229320] active_file:19 inactive_file:48 isolated_file:0 [ 1178.229320] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1178.229320] slab_reclaimable:4111 slab_unreclaimable:57871 [ 1178.229320] mapped:33 shmem:48 pagetables:423 bounce:0 [ 1178.229320] free:6023 free_pcp:111 free_cma:0 [ 1178.229333] Node 0 active_anon:20268kB inactive_anon:168kB active_file:76kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:132kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes ** 35 printk messages dropped ** [ 1178.238293] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1178.238301] [] ? handle_mm_fault+0x1d4f/0x2350 [ 1178.238308] [] handle_mm_fault+0x1326/0x2350 [ 1178.238315] [] ? vm_insert_page+0x6f0/0x6f0 [ 1178.238323] [] ? hrtimer_nanosleep+0x38c/0x550 [ 1178.238331] [] __do_page_fault+0x403/0xa60 [ 1178.238339] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1178.238347] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1178.238354] [] do_page_fault+0x27/0x30 [ 1178.238361] [] page_fault+0x25/0x30 [ 1178.238363] Mem-Info: [ 1178.238379] active_anon:5067 inactive_anon:42 isolated_anon:0 [ 1178.238379] active_file:19 inactive_file:48 isolated_file:0 [ 1178.238379] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1178.238379] slab_reclaimable:4111 slab_unreclaimable:57871 [ 1178.238379] mapped:33 shmem:48 pagetables:423 bounce:0 [ 1178.238379] free:6023 free_pcp:111 free_cma:0 [ 1178.238392] Node 0 active_anon:20268kB inactive_anon:168kB active_file:76kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:132kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes [ 1178.238409] DMA32 free:18660kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:40kB inactive_file:104kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:172kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1178.238435] Normal free:5432kB min:5580kB low:9168kB high:12756kB active_anon:20268kB inactive_anon:168kB active_file:36kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16428kB slab_unreclaimable:231312kB kernel_stack:4224kB pagetables:1692kB bounce:0kB free_pcp:324kB local_pcp:228kB free_cma:0kB ** 44 printk messages dropped ** [ 1178.265124] Node 0 active_anon:20268kB inactive_anon:168kB active_file:76kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:132kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes [ 1178.265141] DMA32 free:18660kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:40kB inactive_file:104kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:172kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1178.265172] Normal free:5432kB min:5580kB low:9168kB high:12756kB active_anon:20268kB inactive_anon:168kB active_file:36kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16428kB slab_unreclaimable:231312kB kernel_stack:4224kB pagetables:1692kB bounce:0kB free_pcp:324kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1178.265227] DMA32: 21*4kB (UM) 18*8kB (ME) 10*16kB (UME) 17*32kB (ME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18660kB Normal: 294*4kB (UMH) 158*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5432kB 116 total pagecache pages [ 1178.265271] 0 pages in swap cache [ 1178.265275] Swap cache stats: add 0, delete 0, find 0/0 ** 43 printk messages dropped ** [ 1178.306307] Normal free:5432kB min:5580kB low:9168kB high:12756kB active_anon:20268kB inactive_anon:168kB active_file:36kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16428kB slab_unreclaimable:231312kB kernel_stack:4224kB pagetables:1692kB bounce:0kB free_pcp:324kB local_pcp:96kB free_cma:0kB ** 2 printk messages dropped ** [ 1178.306401] Normal: 294*4kB (UMH) 158*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5432kB ** 392 printk messages dropped ** [ 1188.216467] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1188.216475] [] ? handle_mm_fault+0x1d4f/0x2350 [ 1188.216482] [] handle_mm_fault+0x1326/0x2350 [ 1188.216489] [] ? vm_insert_page+0x6f0/0x6f0 [ 1188.216497] [] ? hrtimer_nanosleep+0x38c/0x550 [ 1188.216504] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1188.216514] [] __do_page_fault+0x403/0xa60 [ 1188.216521] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1188.216531] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1188.216538] [] do_page_fault+0x27/0x30 [ 1188.216546] [] page_fault+0x25/0x30 [ 1188.216550] Mem-Info: [ 1188.216567] active_anon:5067 inactive_anon:42 isolated_anon:0 [ 1188.216567] active_file:19 inactive_file:48 isolated_file:0 [ 1188.216567] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1188.216567] slab_reclaimable:4111 slab_unreclaimable:57871 [ 1188.216567] mapped:33 shmem:48 pagetables:423 bounce:0 [ 1188.216567] free:6023 free_pcp:111 free_cma:0 [ 1188.216580] Node 0 active_anon:20268kB inactive_anon:168kB active_file:76kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:132kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes [ 1188.216599] DMA32 free:18660kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:40kB inactive_file:104kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:172kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1188.216625] Normal free:5432kB min:5580kB low:9168kB high:12756kB active_anon:20268kB inactive_anon:168kB active_file:36kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16428kB slab_unreclaimable:231312kB kernel_stack:4224kB pagetables:1692kB bounce:0kB free_pcp:324kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1188.216680] DMA32: 21*4kB (UM) 18*8kB (ME) 10*16kB (UME) 17*32kB (ME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18660kB Normal: 294*4kB (UMH) 158*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5432kB 116 total pagecache pages [ 1188.216725] 0 pages in swap cache [ 1188.216729] Swap cache stats: add 0, delete 0, find 0/0 [ 1188.216731] Free swap = 0kB [ 1188.216733] Total swap = 0kB [ 1188.216736] 1965979 pages RAM [ 1188.216738] 0 pages HighMem/MovableOnly [ 1188.216740] 313617 pages reserved [ 1188.218125] syz-execprog: page allocation stalls for 190020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1188.218131] CPU: 1 PID: 2210 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1188.218142] ffff8801c8c4f7c0 ffffffff81b42e79 1ffff10039189efa ffff8801c94a0000 [ 1188.218152] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c8c4f908 [ 1188.218162] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1188.218163] Call Trace: [ 1188.218172] [] dump_stack+0xc1/0x128 [ 1188.218180] [] warn_alloc.cold.31+0x7f/0x9c [ 1188.218187] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1188.218195] [] ? shrink_node+0x740/0x740 [ 1188.218204] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1188.218211] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1188.218220] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1188.218228] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1188.218235] [] ? find_get_entry+0x11a/0x570 [ 1188.218242] [] ? find_get_entry+0x141/0x570 ** 22 printk messages dropped ** [ 1188.218442] lowmem_reserve[]: 0 0 0 [ 1188.218489] DMA32: 21*4kB (UM) 18*8kB (ME) 10*16kB (UME) 17*32kB (ME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18660kB Normal: 294*4kB (UMH) 158*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5432kB 116 total pagecache pages [ 1188.218533] 0 pages in swap cache [ 1188.218537] Swap cache stats: add 0, delete 0, find 0/0 [ 1188.218539] Free swap = 0kB [ 1188.218541] Total swap = 0kB [ 1188.218544] 1965979 pages RAM [ 1188.218546] 0 pages HighMem/MovableOnly [ 1188.218548] 313617 pages reserved [ 1188.235419] rsyslogd: page allocation stalls for 190150ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1188.235426] CPU: 1 PID: 1891 Comm: rsyslogd Not tainted 4.9.141+ #1 [ 1188.235440] ffff8801d3b477c0 ffffffff81b42e79 1ffff1003a768efa ffff8801d43997c0 [ 1188.235450] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3b47908 [ 1188.235460] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1188.235462] Call Trace: [ 1188.235473] [] dump_stack+0xc1/0x128 [ 1188.235481] [] warn_alloc.cold.31+0x7f/0x9c [ 1188.235490] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1188.235498] [] ? shrink_node+0x740/0x740 [ 1188.235508] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1188.235515] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1188.235524] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1188.235532] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1188.235539] [] ? find_get_entry+0x11a/0x570 [ 1188.235546] [] ? find_get_entry+0x141/0x570 [ 1188.235553] [] ? page_cache_prev_hole+0x80/0x80 ** 27 printk messages dropped ** [ 1188.235849] Free swap = 0kB ** 5 printk messages dropped ** [ 1188.298133] CPU: 0 PID: 2231 Comm: syz-executor.5 Not tainted 4.9.141+ #1 [ 1188.298150] ffff8801c96df7c0 ffffffff81b42e79 1ffff100392dbefa ffff8801ca2217c0 [ 1188.298160] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c96df908 [ 1188.298170] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1188.298172] Call Trace: [ 1188.298189] [] dump_stack+0xc1/0x128 [ 1188.298199] [] warn_alloc.cold.31+0x7f/0x9c [ 1188.298209] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1188.298217] [] ? shrink_node+0x740/0x740 [ 1188.298226] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1188.298234] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1188.298243] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1188.298252] [] ? check_preemption_disabled+0x3b/0x200 [ 1188.298259] [] ? find_get_entry+0x11a/0x570 [ 1188.298267] [] ? find_get_entry+0x141/0x570 [ 1188.298273] [] ? page_cache_prev_hole+0x80/0x80 [ 1188.298281] [] ? pagecache_get_page+0x131/0x710 [ 1188.298289] [] filemap_fault+0xaf1/0x1110 [ 1188.298298] [] ext4_filemap_fault+0x71/0xa0 [ 1188.298305] [] __do_fault+0x223/0x500 [ 1188.298312] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1188.298319] [] ? handle_mm_fault+0x1d4f/0x2350 [ 1188.298327] [] handle_mm_fault+0x1326/0x2350 [ 1188.298334] [] ? vm_insert_page+0x6f0/0x6f0 [ 1188.298342] [] ? hrtimer_nanosleep+0x38c/0x550 [ 1188.298352] [] __do_page_fault+0x403/0xa60 [ 1188.298360] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1188.298370] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1188.298376] [] do_page_fault+0x27/0x30 [ 1188.298385] [] page_fault+0x25/0x30 [ 1188.298388] Mem-Info: [ 1188.298405] active_anon:5067 inactive_anon:42 isolated_anon:0 [ 1188.298405] active_file:19 inactive_file:48 isolated_file:0 [ 1188.298405] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1188.298405] slab_reclaimable:4111 slab_unreclaimable:57871 [ 1188.298405] mapped:33 shmem:48 pagetables:423 bounce:0 [ 1188.298405] free:6023 free_pcp:111 free_cma:0 ** 27 printk messages dropped ** [ 1188.305520] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1188.305527] [] ? check_preemption_disabled+0x3b/0x200 [ 1188.305535] [] ? find_get_entry+0x11a/0x570 [ 1188.305542] [] ? find_get_entry+0x141/0x570 [ 1188.305549] [] ? page_cache_prev_hole+0x80/0x80 ** 35 printk messages dropped ** [ 1191.894855] lowmemorykiller: Killing 'syz-executor.1' (2398) (tgid 2389), adj 1000, [ 1191.894855] to free 140kB on behalf of 'syz-executor.3' (2405) because [ 1191.894855] cache 272kB is below limit 6144kB for oom_score_adj 0 [ 1191.894855] Free memory is -13412kB above reserved ** 328 printk messages dropped ** [ 1198.248249] [] filemap_fault+0xaf1/0x1110 [ 1198.248257] [] ext4_filemap_fault+0x71/0xa0 [ 1198.248264] [] __do_fault+0x223/0x500 [ 1198.248270] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1198.248279] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1198.248286] [] handle_mm_fault+0x1326/0x2350 [ 1198.248293] [] ? vm_insert_page+0x6f0/0x6f0 [ 1198.248300] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1198.248308] [] __do_page_fault+0x403/0xa60 [ 1198.248316] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1198.248324] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1198.248331] [] do_page_fault+0x27/0x30 [ 1198.248338] [] page_fault+0x25/0x30 [ 1198.248341] Mem-Info: [ 1198.248357] active_anon:5067 inactive_anon:42 isolated_anon:0 [ 1198.248357] active_file:19 inactive_file:48 isolated_file:0 [ 1198.248357] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1198.248357] slab_reclaimable:4111 slab_unreclaimable:57871 [ 1198.248357] mapped:33 shmem:48 pagetables:423 bounce:0 [ 1198.248357] free:6023 free_pcp:111 free_cma:0 [ 1198.248370] Node 0 active_anon:20268kB inactive_anon:168kB active_file:76kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:132kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes ** 40 printk messages dropped ** [ 1198.255132] [] __do_page_fault+0x403/0xa60 ** 6 printk messages dropped ** [ 1198.255194] Node 0 active_anon:20268kB inactive_anon:168kB active_file:76kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:132kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes [ 1198.255222] DMA32 free:18660kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:40kB inactive_file:104kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:172kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1198.255248] Normal free:5432kB min:5580kB low:9168kB high:12756kB active_anon:20268kB inactive_anon:168kB active_file:36kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16428kB slab_unreclaimable:231312kB kernel_stack:4224kB pagetables:1692kB bounce:0kB free_pcp:324kB local_pcp:96kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1198.255303] DMA32: 21*4kB (UM) 18*8kB (ME) 10*16kB (UME) 17*32kB (ME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18660kB Normal: 294*4kB (UMH) 158*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5432kB 116 total pagecache pages [ 1198.255347] 0 pages in swap cache [ 1198.255351] Swap cache stats: add 0, delete 0, find 0/0 [ 1198.255353] Free swap = 0kB [ 1198.255355] Total swap = 0kB [ 1198.255358] 1965979 pages RAM [ 1198.255360] 0 pages HighMem/MovableOnly [ 1198.255362] 313617 pages reserved [ 1198.278127] syz-executor.0: page allocation stalls for 200120ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1198.278135] CPU: 1 PID: 2234 Comm: syz-executor.0 Not tainted 4.9.141+ #1 [ 1198.278148] ffff8801c88df7c0 ffffffff81b42e79 1ffff1003911befa ffff8801c93a17c0 [ 1198.278158] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c88df908 [ 1198.278168] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1198.278170] Call Trace: [ 1198.278181] [] dump_stack+0xc1/0x128 [ 1198.278189] [] warn_alloc.cold.31+0x7f/0x9c [ 1198.278198] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1198.278206] [] ? shrink_node+0x740/0x740 [ 1198.278215] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1198.278222] [] ? debug_lockdep_rcu_enabled+0x77/0x90 ** 25 printk messages dropped ** [ 1198.278451] lowmem_reserve[]: 0 0 0 [ 1198.278497] DMA32: 21*4kB (UM) 18*8kB (ME) 10*16kB (UME) 17*32kB (ME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18660kB Normal: 294*4kB (UMH) 158*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5432kB 116 total pagecache pages [ 1198.278542] 0 pages in swap cache [ 1198.278546] Swap cache stats: add 0, delete 0, find 0/0 [ 1198.278548] Free swap = 0kB [ 1198.278550] Total swap = 0kB [ 1198.278552] 1965979 pages RAM [ 1198.278554] 0 pages HighMem/MovableOnly [ 1198.278557] 313617 pages reserved [ 1198.285576] syz-executor.5: page allocation stalls for 200070ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1198.285582] CPU: 0 PID: 2231 Comm: syz-executor.5 Not tainted 4.9.141+ #1 [ 1198.285596] ffff8801c96df7c0 ffffffff81b42e79 1ffff100392dbefa ffff8801ca2217c0 [ 1198.285606] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c96df908 [ 1198.285616] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1198.285617] Call Trace: [ 1198.285626] [] dump_stack+0xc1/0x128 [ 1198.285634] [] warn_alloc.cold.31+0x7f/0x9c [ 1198.285642] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1198.285650] [] ? shrink_node+0x740/0x740 [ 1198.285659] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1198.285666] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1198.285674] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1198.285682] [] ? check_preemption_disabled+0x3b/0x200 [ 1198.285689] [] ? find_get_entry+0x11a/0x570 [ 1198.285697] [] ? find_get_entry+0x141/0x570 [ 1198.285704] [] ? page_cache_prev_hole+0x80/0x80 [ 1198.285711] [] ? pagecache_get_page+0x131/0x710 ** 31 printk messages dropped ** [ 1198.297134] CPU: 0 PID: 2238 Comm: syz-executor.1 Not tainted 4.9.141+ #1 [ 1198.297145] ffff8801c97df7c0 ffffffff81b42e79 1ffff100392fbefa ffff8801c93a4740 [ 1198.297155] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c97df908 [ 1198.297163] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1198.297165] Call Trace: [ 1198.297174] [] dump_stack+0xc1/0x128 [ 1198.297181] [] warn_alloc.cold.31+0x7f/0x9c [ 1198.297189] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1198.297196] [] ? shrink_node+0x740/0x740 [ 1198.297204] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1198.297211] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1198.297219] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1198.297227] [] ? check_preemption_disabled+0x3b/0x200 [ 1198.297233] [] ? find_get_entry+0x11a/0x570 [ 1198.297240] [] ? find_get_entry+0x141/0x570 [ 1198.297246] [] ? page_cache_prev_hole+0x80/0x80 [ 1198.297253] [] ? pagecache_get_page+0x131/0x710 [ 1198.297260] [] filemap_fault+0xaf1/0x1110 [ 1198.297267] [] ext4_filemap_fault+0x71/0xa0 [ 1198.297273] [] __do_fault+0x223/0x500 [ 1198.297280] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1198.297286] [] ? handle_mm_fault+0x1d4f/0x2350 [ 1198.297293] [] handle_mm_fault+0x1326/0x2350 [ 1198.297299] [] ? vm_insert_page+0x6f0/0x6f0 [ 1198.297307] [] ? hrtimer_nanosleep+0x38c/0x550 [ 1198.297315] [] __do_page_fault+0x403/0xa60 [ 1198.297322] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1198.297330] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1198.297336] [] do_page_fault+0x27/0x30 [ 1198.297343] [] page_fault+0x25/0x30 [ 1198.297345] Mem-Info: [ 1198.297360] active_anon:5067 inactive_anon:42 isolated_anon:0 [ 1198.297360] active_file:19 inactive_file:48 isolated_file:0 [ 1198.297360] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1198.297360] slab_reclaimable:4111 slab_unreclaimable:57871 [ 1198.297360] mapped:33 shmem:48 pagetables:423 bounce:0 [ 1198.297360] free:6023 free_pcp:111 free_cma:0 ** 30 printk messages dropped ** [ 1199.956061] [] ? anon_vma_prepare+0x62/0x3d0 ** 235 printk messages dropped ** [ 1208.205210] ffff8801d3b477c0 [ 1208.205211] Node 0 active_anon:20268kB inactive_anon:168kB active_file:76kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:132kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes ** 203 printk messages dropped ** [ 1208.245036] [] __do_page_fault+0x403/0xa60 [ 1208.245044] [] ? __fget_light+0x169/0x1f0 [ 1208.245051] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1208.245059] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1208.245066] [] do_page_fault+0x27/0x30 [ 1208.245073] [] page_fault+0x25/0x30 [ 1208.245076] Mem-Info: [ 1208.245092] active_anon:5067 inactive_anon:42 isolated_anon:0 [ 1208.245092] active_file:19 inactive_file:48 isolated_file:0 [ 1208.245092] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1208.245092] slab_reclaimable:4111 slab_unreclaimable:57872 [ 1208.245092] mapped:33 shmem:48 pagetables:423 bounce:0 [ 1208.245092] free:6023 free_pcp:110 free_cma:0 [ 1208.245105] Node 0 active_anon:20268kB inactive_anon:168kB active_file:76kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:132kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes [ 1208.245122] DMA32 free:18660kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:40kB inactive_file:104kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:172kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1208.245148] Normal free:5432kB min:5580kB low:9168kB high:12756kB active_anon:20268kB inactive_anon:168kB active_file:36kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16428kB slab_unreclaimable:231316kB kernel_stack:4224kB pagetables:1692kB bounce:0kB free_pcp:320kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1208.245202] DMA32: 21*4kB (UM) 18*8kB (ME) 10*16kB (UME) 17*32kB (ME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18660kB Normal: 294*4kB (UMH) 158*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5432kB 116 total pagecache pages [ 1208.245246] 0 pages in swap cache [ 1208.245250] Swap cache stats: add 0, delete 0, find 0/0 [ 1208.245252] Free swap = 0kB [ 1208.245254] Total swap = 0kB [ 1208.245256] 1965979 pages RAM [ 1208.245258] 0 pages HighMem/MovableOnly [ 1208.245260] 313617 pages reserved [ 1208.254801] syz-executor.3: page allocation stalls for 210070ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1208.254808] CPU: 1 PID: 2233 Comm: syz-executor.3 Not tainted 4.9.141+ #1 [ 1208.254813] syz-execprog: [ 1208.254816] ffff8801c88e77c0 [ 1208.254818] page allocation stalls for 210060ms, order:0 ffffffff81b42e79, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) 1ffff1003911cefa ffff8801c8f097c0 ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c88e7908 [ 1208.254845] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1208.254846] Call Trace: [ 1208.254855] [] dump_stack+0xc1/0x128 [ 1208.254862] [] warn_alloc.cold.31+0x7f/0x9c [ 1208.254870] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1208.254877] [] ? shrink_node+0x740/0x740 [ 1208.254885] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1208.254891] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1208.254899] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1208.254907] [] ? check_preemption_disabled+0x3b/0x200 [ 1208.254914] [] ? find_get_entry+0x11a/0x570 [ 1208.254920] [] ? find_get_entry+0x141/0x570 [ 1208.254927] [] ? page_cache_prev_hole+0x80/0x80 ** 23 printk messages dropped ** [ 1208.255078] 1ffff10039189efalowmem_reserve[]: [ 1208.255081] ffff8801c94a0000 0 3505 ffffffff82a97480 [ 1208.255087] 3505 0000000000000001 0000000000400000Normal free:5432kB min:5580kB low:9168kB high:12756kB active_anon:20268kB inactive_anon:168kB active_file:36kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16428kB slab_unreclaimable:231316kB kernel_stack:4224kB pagetables:1692kB bounce:0kB free_pcp:320kB local_pcp:92kB free_cma:0kB ffff8801c8c4f908lowmem_reserve[]: [ 1208.255108] 0 ffffffff814fc7c8 [ 1208.255110] 0 0000000041b58ab3 0 ffffffff82e37a10 ffffffff81427db0DMA32: Call Trace: [ 1208.255126] 21*4kB [] dump_stack+0xc1/0x128 [ 1208.255133] (UM) [] warn_alloc.cold.31+0x7f/0x9c [ 1208.255140] 18*8kB [] ? zone_watermark_ok_safe+0x250/0x250 [ 1208.255146] (ME) [] ? shrink_node+0x740/0x740 [ 1208.255153] 10*16kB [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1208.255159] (UME) [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1208.255167] 17*32kB [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1208.255173] (ME) [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1208.255180] 19*64kB [] ? find_get_entry+0x11a/0x570 [ 1208.255186] (ME) [] ? find_get_entry+0x141/0x570 [ 1208.255192] 3*128kB [] ? page_cache_prev_hole+0x80/0x80 [ 1208.255198] (ME) [] ? autoremove_wake_function+0x40/0x40 [ 1208.255205] 5*256kB [] ? pagecache_get_page+0x131/0x710 [ 1208.255211] (UME) [] filemap_fault+0xaf1/0x1110 [ 1208.255217] 1*512kB [] ext4_filemap_fault+0x71/0xa0 [ 1208.255223] (E) [] __do_fault+0x223/0x500 ** 36 printk messages dropped ** [ 1208.255353] 0*256kB lowmem_reserve[]: [ 1208.255356] 0*512kB 00*1024kB 00*2048kB 00*4096kB = 5432kB DMA32: 116 total pagecache pages [ 1208.255372] 21*4kB 0 pages in swap cache [ 1208.255376] (UM) Swap cache stats: add 0, delete 0, find 0/0 [ 1208.255379] 18*8kB Free swap = 0kB [ 1208.255381] (ME) Total swap = 0kB [ 1208.255384] 10*16kB 1965979 pages RAM [ 1208.255387] (UME) 0 pages HighMem/MovableOnly [ 1208.255390] 17*32kB 313617 pages reserved [ 1208.255419] (ME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18660kB Normal: 294*4kB (UMH) 158*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5432kB 116 total pagecache pages [ 1208.255463] 0 pages in swap cache [ 1208.255467] Swap cache stats: add 0, delete 0, find 0/0 [ 1208.255469] Free swap = 0kB [ 1208.255471] Total swap = 0kB [ 1208.255473] 1965979 pages RAM [ 1208.255475] 0 pages HighMem/MovableOnly [ 1208.255477] 313617 pages reserved [ 1208.274809] syz-executor.5: page allocation stalls for 210060ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1208.274816] CPU: 0 PID: 2231 Comm: syz-executor.5 Not tainted 4.9.141+ #1 [ 1208.274828] ffff8801c96df7c0 ffffffff81b42e79 1ffff100392dbefa ffff8801ca2217c0 [ 1208.274843] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c96df908 [ 1208.274852] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1208.274854] Call Trace: [ 1208.274863] [] dump_stack+0xc1/0x128 [ 1208.274871] [] warn_alloc.cold.31+0x7f/0x9c [ 1208.274880] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1208.274887] [] ? shrink_node+0x740/0x740 [ 1208.274896] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1208.274903] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1208.274912] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1208.274921] [] ? check_preemption_disabled+0x3b/0x200 [ 1208.274928] [] ? find_get_entry+0x11a/0x570 [ 1208.274935] [] ? find_get_entry+0x141/0x570 [ 1208.274942] [] ? page_cache_prev_hole+0x80/0x80 [ 1208.274978] [] ? pagecache_get_page+0x131/0x710 [ 1208.274986] [] filemap_fault+0xaf1/0x1110 [ 1208.274993] [] ext4_filemap_fault+0x71/0xa0 ** 26 printk messages dropped ** [ 1208.275260] 0 pages HighMem/MovableOnly [ 1208.275262] 313617 pages reserved [ 1208.288143] syz-executor.1: page allocation stalls for 210100ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1208.288150] CPU: 1 PID: 2238 Comm: syz-executor.1 Not tainted 4.9.141+ #1 [ 1208.288164] ffff8801c97df7c0 ffffffff81b42e79 1ffff100392fbefa ffff8801c93a4740 [ 1208.288174] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c97df908 [ 1208.288182] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1208.288183] Call Trace: ** 215 printk messages dropped ** [ 1218.120602] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1218.120610] [] ? debug_lockdep_rcu_enabled+0x77/0x90 ** 140 printk messages dropped ** [ 1218.224970] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 ** 3 printk messages dropped ** [ 1218.224997] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1218.225005] [] ? shrink_node+0x740/0x740 [ 1218.225013] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1218.225019] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1218.225028] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1218.225036] [] ? check_preemption_disabled+0x3b/0x200 [ 1218.225043] [] ? find_get_entry+0x11a/0x570 [ 1218.225051] [] ? find_get_entry+0x141/0x570 [ 1218.225058] [] ? page_cache_prev_hole+0x80/0x80 [ 1218.225065] [] ? pagecache_get_page+0x131/0x710 [ 1218.225073] [] filemap_fault+0xaf1/0x1110 [ 1218.225081] [] ext4_filemap_fault+0x71/0xa0 [ 1218.225087] [] __do_fault+0x223/0x500 [ 1218.225094] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1218.225102] [] ? handle_mm_fault+0x1d4f/0x2350 [ 1218.225109] [] handle_mm_fault+0x1326/0x2350 [ 1218.225116] [] ? vm_insert_page+0x6f0/0x6f0 [ 1218.225124] [] ? hrtimer_nanosleep+0x38c/0x550 [ 1218.225132] [] __do_page_fault+0x403/0xa60 ** 36 printk messages dropped ** [ 1218.234965] [] ? find_get_entry+0x141/0x570 [ 1218.234972] [] ? page_cache_prev_hole+0x80/0x80 [ 1218.234979] [] ? pagecache_get_page+0x131/0x710 [ 1218.234987] [] filemap_fault+0xaf1/0x1110 [ 1218.234995] [] ext4_filemap_fault+0x71/0xa0 [ 1218.235001] [] __do_fault+0x223/0x500 [ 1218.235008] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1218.235014] [] ? handle_mm_fault+0x1d4f/0x2350 [ 1218.235022] [] handle_mm_fault+0x1326/0x2350 [ 1218.235029] [] ? vm_insert_page+0x6f0/0x6f0 [ 1218.235036] [] ? hrtimer_nanosleep+0x38c/0x550 [ 1218.235045] [] __do_page_fault+0x403/0xa60 [ 1218.235052] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1218.235061] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1218.235068] [] do_page_fault+0x27/0x30 [ 1218.235075] [] page_fault+0x25/0x30 [ 1218.235078] Mem-Info: [ 1218.235093] active_anon:5067 inactive_anon:42 isolated_anon:0 [ 1218.235093] active_file:19 inactive_file:48 isolated_file:0 [ 1218.235093] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1218.235093] slab_reclaimable:4111 slab_unreclaimable:57872 [ 1218.235093] mapped:33 shmem:48 pagetables:423 bounce:0 [ 1218.235093] free:6023 free_pcp:110 free_cma:0 [ 1218.235107] Node 0 active_anon:20268kB inactive_anon:168kB active_file:76kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:132kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes [ 1218.235124] DMA32 free:18660kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:40kB inactive_file:104kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:172kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1218.235150] Normal free:5432kB min:5580kB low:9168kB high:12756kB active_anon:20268kB inactive_anon:168kB active_file:36kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16428kB slab_unreclaimable:231316kB kernel_stack:4224kB pagetables:1692kB bounce:0kB free_pcp:320kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1218.235204] DMA32: 21*4kB (UM) 18*8kB (ME) 10*16kB (UME) 17*32kB (ME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18660kB Normal: 294*4kB (UMH) 158*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5432kB 116 total pagecache pages [ 1218.235248] 0 pages in swap cache [ 1218.235252] Swap cache stats: add 0, delete 0, find 0/0 ** 41 printk messages dropped ** [ 1218.235807] Node 0 active_anon:20268kB inactive_anon:168kB active_file:76kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:132kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes [ 1218.235825] DMA32 free:18660kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:40kB inactive_file:104kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:172kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1218.235850] Normal free:5432kB min:5580kB low:9168kB high:12756kB active_anon:20268kB inactive_anon:168kB active_file:36kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16428kB slab_unreclaimable:231316kB kernel_stack:4224kB pagetables:1692kB bounce:0kB free_pcp:320kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1218.235905] DMA32: 21*4kB (UM) 18*8kB (ME) 10*16kB (UME) 17*32kB (ME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18660kB Normal: 294*4kB (UMH) 158*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5432kB 116 total pagecache pages [ 1218.235949] 0 pages in swap cache [ 1218.235952] Swap cache stats: add 0, delete 0, find 0/0 [ 1218.235955] Free swap = 0kB [ 1218.235957] Total swap = 0kB [ 1218.235959] 1965979 pages RAM [ 1218.235961] 0 pages HighMem/MovableOnly [ 1218.235963] 313617 pages reserved [ 1218.324909] syz-execprog: page allocation stalls for 220130ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1218.324918] CPU: 0 PID: 2210 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1218.324932] ffff8801c8c4f7c0 ffffffff81b42e79 1ffff10039189efa ffff8801c94a0000 [ 1218.324942] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c8c4f908 ** 32 printk messages dropped ** [ 1218.325233] lowmem_reserve[]: 0 3505 3505 [ 1218.325252] Normal free:5432kB min:5580kB low:9168kB high:12756kB active_anon:20268kB inactive_anon:168kB active_file:36kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16428kB slab_unreclaimable:231316kB kernel_stack:4224kB pagetables:1692kB bounce:0kB free_pcp:320kB local_pcp:228kB free_cma:0kB ** 1 printk messages dropped ** [ 1218.325307] DMA32: 21*4kB (UM) 18*8kB (ME) 10*16kB (UME) 17*32kB (ME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18660kB Normal: 294*4kB (UMH) 158*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5432kB 116 total pagecache pages [ 1218.325352] 0 pages in swap cache [ 1218.325356] Swap cache stats: add 0, delete 0, find 0/0 [ 1218.325358] Free swap = 0kB [ 1218.325360] Total swap = 0kB [ 1218.325362] 1965979 pages RAM [ 1218.325364] 0 pages HighMem/MovableOnly [ 1218.325366] 313617 pages reserved [ 1218.331918] syz-executor.5: page allocation stalls for 220110ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1218.331924] CPU: 0 PID: 2231 Comm: syz-executor.5 Not tainted 4.9.141+ #1 [ 1218.331937] ffff8801c96df7c0 ffffffff81b42e79 1ffff100392dbefa ffff8801ca2217c0 [ 1218.331947] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c96df908 [ 1218.331957] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1218.331958] Call Trace: [ 1218.331968] [] dump_stack+0xc1/0x128 [ 1218.331975] [] warn_alloc.cold.31+0x7f/0x9c [ 1218.331984] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1218.331991] [] ? shrink_node+0x740/0x740 [ 1218.332005] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1218.332013] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1218.332021] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1218.332029] [] ? check_preemption_disabled+0x3b/0x200 [ 1218.332036] [] ? find_get_entry+0x11a/0x570 [ 1218.332044] [] ? find_get_entry+0x141/0x570 [ 1218.332051] [] ? page_cache_prev_hole+0x80/0x80 [ 1218.332058] [] ? pagecache_get_page+0x131/0x710 ** 32 printk messages dropped ** [ 1219.898077] syz-executor.2: page allocation stalls for 220050ms, order:0, mode:0x24200ca(GFP_HIGHUSER_MOVABLE) [ 1219.898086] CPU: 0 PID: 2236 Comm: syz-executor.2 Not tainted 4.9.141+ #1 [ 1219.898101] ffff8801c8c97700 ffffffff81b42e79 1ffff10039192ee2 ffff8801c8ea4740 [ 1219.898110] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c8c97848 [ 1219.898120] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 ** 414 printk messages dropped ** [ 1228.187754] lowmem_reserve[]: 0 0 0 [ 1228.187801] DMA32: 21*4kB (UM) 18*8kB (ME) 10*16kB (UME) 17*32kB (ME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18660kB Normal: 294*4kB (UMH) 158*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5432kB ** 3 printk messages dropped ** [ 1228.187851] Free swap = 0kB [ 1228.187853] Total swap = 0kB [ 1228.187855] 1965979 pages RAM [ 1228.187857] 0 pages HighMem/MovableOnly [ 1228.187860] 313617 pages reserved [ 1228.214878] syz-execprog: page allocation stalls for 230020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1228.214887] CPU: 1 PID: 2210 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1228.214904] ffff8801c8c4f7c0 ffffffff81b42e79 1ffff10039189efa ffff8801c94a0000 [ 1228.214914] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c8c4f908 [ 1228.214924] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1228.214926] Call Trace: [ 1228.214942] [] dump_stack+0xc1/0x128 [ 1228.214952] [] warn_alloc.cold.31+0x7f/0x9c [ 1228.214962] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1228.214970] [] ? shrink_node+0x740/0x740 [ 1228.214979] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1228.214987] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1228.214996] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1228.215004] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1228.215011] [] ? find_get_entry+0x11a/0x570 [ 1228.215018] [] ? find_get_entry+0x141/0x570 [ 1228.215025] [] ? page_cache_prev_hole+0x80/0x80 [ 1228.215035] [] ? autoremove_wake_function+0x40/0x40 [ 1228.215042] [] ? pagecache_get_page+0x131/0x710 [ 1228.215049] [] filemap_fault+0xaf1/0x1110 [ 1228.215059] [] ext4_filemap_fault+0x71/0xa0 [ 1228.215066] [] __do_fault+0x223/0x500 [ 1228.215073] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1228.215081] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1228.215088] [] handle_mm_fault+0x1326/0x2350 [ 1228.215095] [] ? vm_insert_page+0x6f0/0x6f0 [ 1228.215102] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1228.215112] [] __do_page_fault+0x403/0xa60 [ 1228.215119] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1228.215129] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1228.215136] [] do_page_fault+0x27/0x30 [ 1228.215144] [] page_fault+0x25/0x30 [ 1228.215148] Mem-Info: [ 1228.215170] active_anon:5067 inactive_anon:42 isolated_anon:0 [ 1228.215170] active_file:19 inactive_file:48 isolated_file:0 [ 1228.215170] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1228.215170] slab_reclaimable:4111 slab_unreclaimable:57872 [ 1228.215170] mapped:33 shmem:48 pagetables:423 bounce:0 [ 1228.215170] free:6023 free_pcp:110 free_cma:0 [ 1228.215184] Node 0 active_anon:20268kB inactive_anon:168kB active_file:76kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:132kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes [ 1228.215203] DMA32 free:18660kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:40kB inactive_file:104kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:172kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1228.215229] Normal free:5432kB min:5580kB low:9168kB high:12756kB active_anon:20268kB inactive_anon:168kB active_file:36kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16428kB slab_unreclaimable:231316kB kernel_stack:4224kB pagetables:1692kB bounce:0kB free_pcp:320kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1228.215284] DMA32: 21*4kB (UM) 18*8kB (ME) 10*16kB (UME) 17*32kB (ME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18660kB Normal: 294*4kB (UMH) 158*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5432kB ** 29 printk messages dropped ** [ 1228.225009] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1228.225016] [] ? handle_mm_fault+0x1d4f/0x2350 [ 1228.225031] [] handle_mm_fault+0x1326/0x2350 [ 1228.225039] [] ? vm_insert_page+0x6f0/0x6f0 [ 1228.225047] [] ? hrtimer_nanosleep+0x38c/0x550 [ 1228.225056] [] __do_page_fault+0x403/0xa60 [ 1228.225064] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1228.225078] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1228.225085] [] do_page_fault+0x27/0x30 [ 1228.225094] [] page_fault+0x25/0x30 [ 1228.225097] Mem-Info: [ 1228.225114] active_anon:5067 inactive_anon:42 isolated_anon:0 [ 1228.225114] active_file:19 inactive_file:48 isolated_file:0 [ 1228.225114] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1228.225114] slab_reclaimable:4111 slab_unreclaimable:57872 [ 1228.225114] mapped:33 shmem:48 pagetables:423 bounce:0 [ 1228.225114] free:6023 free_pcp:110 free_cma:0 [ 1228.225127] Node 0 active_anon:20268kB inactive_anon:168kB active_file:76kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:132kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes [ 1228.225146] DMA32 free:18660kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:40kB inactive_file:104kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:172kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1228.225172] Normal free:5432kB min:5580kB low:9168kB high:12756kB active_anon:20268kB inactive_anon:168kB active_file:36kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16428kB slab_unreclaimable:231316kB kernel_stack:4224kB pagetables:1692kB bounce:0kB free_pcp:320kB local_pcp:92kB free_cma:0kB ** 44 printk messages dropped ** [ 1228.256009] Node 0 active_anon:20268kB inactive_anon:168kB active_file:76kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:132kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes ** 1 printk messages dropped ** [ 1228.256032] lowmem_reserve[]: 0 3505 3505 [ 1228.256049] Normal free:5432kB min:5580kB low:9168kB high:12756kB active_anon:20268kB inactive_anon:168kB active_file:36kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16428kB slab_unreclaimable:231316kB kernel_stack:4224kB pagetables:1692kB bounce:0kB free_pcp:320kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1228.256098] DMA32: 21*4kB (UM) 18*8kB (ME) 10*16kB (UME) 17*32kB (ME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18660kB Normal: 294*4kB (UMH) 158*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5432kB 116 total pagecache pages [ 1228.256138] 0 pages in swap cache [ 1228.256142] Swap cache stats: add 0, delete 0, find 0/0 [ 1228.256144] Free swap = 0kB [ 1228.256145] Total swap = 0kB [ 1228.256147] 1965979 pages RAM [ 1228.256149] 0 pages HighMem/MovableOnly [ 1228.256151] 313617 pages reserved [ 1228.265440] syz-executor.3: page allocation stalls for 230080ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1228.265447] CPU: 0 PID: 2233 Comm: syz-executor.3 Not tainted 4.9.141+ #1 [ 1228.265458] ffff8801c88e77c0 ffffffff81b42e79 1ffff1003911cefa ffff8801c8f097c0 [ 1228.265467] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c88e7908 [ 1228.265476] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1228.265478] Call Trace: [ 1228.265487] [] dump_stack+0xc1/0x128 [ 1228.265494] [] warn_alloc.cold.31+0x7f/0x9c [ 1228.265502] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1228.265509] [] ? shrink_node+0x740/0x740 [ 1228.265518] [] __alloc_pages_nodemask+0x1566/0x1bd0 ** 30 printk messages dropped ** [ 1228.265829] Normal: 294*4kB (UMH) 158*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5432kB 116 total pagecache pages [ 1228.265833] 0 pages in swap cache [ 1228.265836] Swap cache stats: add 0, delete 0, find 0/0 [ 1228.265838] Free swap = 0kB [ 1228.265840] Total swap = 0kB ** 257 printk messages dropped ** [ 1238.178452] 116 total pagecache pages ** 62 printk messages dropped ** [ 1238.195065] [] handle_mm_fault+0x1326/0x2350 ** 35 printk messages dropped ** [ 1238.196312] 116 total pagecache pages [ 1238.196314] 0 pages in swap cache [ 1238.196318] Swap cache stats: add 0, delete 0, find 0/0 [ 1238.196320] Free swap = 0kB [ 1238.196322] Total swap = 0kB [ 1238.196324] 1965979 pages RAM [ 1238.196326] 0 pages HighMem/MovableOnly [ 1238.196329] 313617 pages reserved [ 1238.204912] syz-executor.3: page allocation stalls for 240020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1238.204919] CPU: 0 PID: 2233 Comm: syz-executor.3 Not tainted 4.9.141+ #1 [ 1238.204932] ffff8801c88e77c0 ffffffff81b42e79 1ffff1003911cefa ffff8801c8f097c0 [ 1238.204942] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c88e7908 [ 1238.204952] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1238.204954] Call Trace: [ 1238.204963] [] dump_stack+0xc1/0x128 [ 1238.204972] [] warn_alloc.cold.31+0x7f/0x9c [ 1238.204980] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1238.204988] [] ? shrink_node+0x740/0x740 [ 1238.204997] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1238.205005] [] ? debug_lockdep_rcu_enabled+0x77/0x90 ** 40 printk messages dropped ** [ 1238.218120] ffff8801c97df7c0 ffffffff81b42e79 1ffff100392fbefa ffff8801c93a4740 [ 1238.218130] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c97df908 [ 1238.218140] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1238.218141] Call Trace: [ 1238.218152] [] dump_stack+0xc1/0x128 [ 1238.218160] [] warn_alloc.cold.31+0x7f/0x9c [ 1238.218168] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1238.218176] [] ? shrink_node+0x740/0x740 [ 1238.218190] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1238.218197] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1238.218206] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1238.218214] [] ? check_preemption_disabled+0x3b/0x200 [ 1238.218221] [] ? find_get_entry+0x11a/0x570 [ 1238.218229] [] ? find_get_entry+0x141/0x570 [ 1238.218235] [] ? page_cache_prev_hole+0x80/0x80 [ 1238.218243] [] ? pagecache_get_page+0x131/0x710 [ 1238.218250] [] filemap_fault+0xaf1/0x1110 [ 1238.218258] [] ext4_filemap_fault+0x71/0xa0 [ 1238.218265] [] __do_fault+0x223/0x500 [ 1238.218272] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1238.218279] [] ? handle_mm_fault+0x1d4f/0x2350 [ 1238.218286] [] handle_mm_fault+0x1326/0x2350 [ 1238.218294] [] ? vm_insert_page+0x6f0/0x6f0 [ 1238.218302] [] ? hrtimer_nanosleep+0x38c/0x550 [ 1238.218310] [] __do_page_fault+0x403/0xa60 [ 1238.218318] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1238.218327] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1238.218334] [] do_page_fault+0x27/0x30 [ 1238.218341] [] page_fault+0x25/0x30 [ 1238.218344] Mem-Info: [ 1238.218360] active_anon:5067 inactive_anon:42 isolated_anon:0 [ 1238.218360] active_file:19 inactive_file:48 isolated_file:0 [ 1238.218360] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1238.218360] slab_reclaimable:4111 slab_unreclaimable:57872 [ 1238.218360] mapped:33 shmem:48 pagetables:423 bounce:0 [ 1238.218360] free:6023 free_pcp:110 free_cma:0 [ 1238.218372] Node 0 active_anon:20268kB inactive_anon:168kB active_file:76kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:132kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes ** 34 printk messages dropped ** [ 1238.245628] [] __do_fault+0x223/0x500 [ 1238.245635] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1238.245642] [] ? handle_mm_fault+0x1d4f/0x2350 [ 1238.245650] [] handle_mm_fault+0x1326/0x2350 [ 1238.245657] [] ? vm_insert_page+0x6f0/0x6f0 [ 1238.245665] [] ? hrtimer_nanosleep+0x38c/0x550 [ 1238.245673] [] __do_page_fault+0x403/0xa60 [ 1238.245681] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1238.245690] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1238.245697] [] do_page_fault+0x27/0x30 [ 1238.245706] [] page_fault+0x25/0x30 [ 1238.245709] Mem-Info: [ 1238.245725] active_anon:5067 inactive_anon:42 isolated_anon:0 [ 1238.245725] active_file:19 inactive_file:48 isolated_file:0 [ 1238.245725] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1238.245725] slab_reclaimable:4111 slab_unreclaimable:57872 [ 1238.245725] mapped:33 shmem:48 pagetables:423 bounce:0 [ 1238.245725] free:6023 free_pcp:110 free_cma:0 [ 1238.245738] Node 0 active_anon:20268kB inactive_anon:168kB active_file:76kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:132kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes [ 1238.245756] DMA32 free:18660kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:40kB inactive_file:104kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:172kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1238.245782] Normal free:5432kB min:5580kB low:9168kB high:12756kB active_anon:20268kB inactive_anon:168kB active_file:36kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16428kB slab_unreclaimable:231316kB kernel_stack:4224kB pagetables:1692kB bounce:0kB free_pcp:320kB local_pcp:92kB free_cma:0kB ** 45 printk messages dropped ** [ 1238.276775] Node 0 active_anon:20268kB inactive_anon:168kB active_file:76kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:132kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes [ 1238.276793] DMA32 free:18660kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:40kB inactive_file:104kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:172kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1238.276819] Normal free:5432kB min:5580kB low:9168kB high:12756kB active_anon:20268kB inactive_anon:168kB active_file:36kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16428kB slab_unreclaimable:231316kB kernel_stack:4224kB pagetables:1692kB bounce:0kB free_pcp:320kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1238.276873] DMA32: 21*4kB (UM) 18*8kB (ME) 10*16kB (UME) 17*32kB (ME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18660kB Normal: 294*4kB (UMH) 158*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5432kB 116 total pagecache pages [ 1238.276918] 0 pages in swap cache [ 1238.276922] Swap cache stats: add 0, delete 0, find 0/0 [ 1238.276924] Free swap = 0kB [ 1238.276926] Total swap = 0kB [ 1238.276928] 1965979 pages RAM [ 1238.276931] 0 pages HighMem/MovableOnly [ 1238.276933] 313617 pages reserved [ 1238.328052] syz-executor.5: page allocation stalls for 240110ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1238.328061] CPU: 1 PID: 2231 Comm: syz-executor.5 Not tainted 4.9.141+ #1 [ 1238.328076] ffff8801c96df7c0 ffffffff81b42e79 1ffff100392dbefa ffff8801ca2217c0 [ 1238.328087] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c96df908 [ 1238.328097] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1238.328099] Call Trace: [ 1238.328115] [] dump_stack+0xc1/0x128 [ 1238.328125] [] warn_alloc.cold.31+0x7f/0x9c ** 32 printk messages dropped ** [ 1238.328494] 116 total pagecache pages [ 1238.328497] 0 pages in swap cache [ 1238.328501] Swap cache stats: add 0, delete 0, find 0/0 [ 1238.328503] Free swap = 0kB [ 1238.328505] Total swap = 0kB [ 1238.328507] 1965979 pages RAM [ 1238.328509] 0 pages HighMem/MovableOnly [ 1238.328512] 313617 pages reserved ** 41 printk messages dropped ** [ 1239.875435] lowmem_reserve[]: 0 0 0 [ 1239.875482] DMA32: 21*4kB (UM) 18*8kB (ME) 10*16kB (UME) 17*32kB (ME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18660kB ** 312 printk messages dropped ** [ 1248.195290] Normal: 294*4kB (UMH) 157*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5424kB 116 total pagecache pages [ 1248.195295] 0 pages in swap cache [ 1248.195299] Swap cache stats: add 0, delete 0, find 0/0 [ 1248.195301] Free swap = 0kB [ 1248.195303] Total swap = 0kB [ 1248.195305] 1965979 pages RAM [ 1248.195307] 0 pages HighMem/MovableOnly [ 1248.195310] 313617 pages reserved [ 1248.205675] syz-executor.1: page allocation stalls for 250020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1248.205682] CPU: 0 PID: 2238 Comm: syz-executor.1 Not tainted 4.9.141+ #1 [ 1248.205696] ffff8801c97df7c0 ffffffff81b42e79 1ffff100392fbefa ffff8801c93a4740 [ 1248.205706] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c97df908 [ 1248.205715] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1248.205717] Call Trace: [ 1248.205727] [] dump_stack+0xc1/0x128 [ 1248.205735] [] warn_alloc.cold.31+0x7f/0x9c [ 1248.205743] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1248.205751] [] ? shrink_node+0x740/0x740 [ 1248.205760] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1248.205767] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1248.205776] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1248.205784] [] ? check_preemption_disabled+0x3b/0x200 [ 1248.205791] [] ? find_get_entry+0x11a/0x570 [ 1248.205798] [] ? find_get_entry+0x141/0x570 [ 1248.205805] [] ? page_cache_prev_hole+0x80/0x80 [ 1248.205813] [] ? pagecache_get_page+0x131/0x710 [ 1248.205820] [] filemap_fault+0xaf1/0x1110 [ 1248.205828] [] ext4_filemap_fault+0x71/0xa0 [ 1248.205835] [] __do_fault+0x223/0x500 [ 1248.205842] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1248.205849] [] ? handle_mm_fault+0x1d4f/0x2350 [ 1248.205856] [] handle_mm_fault+0x1326/0x2350 [ 1248.205864] [] ? vm_insert_page+0x6f0/0x6f0 [ 1248.205871] [] ? hrtimer_nanosleep+0x38c/0x550 [ 1248.205880] [] __do_page_fault+0x403/0xa60 [ 1248.205887] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1248.205896] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1248.205903] [] do_page_fault+0x27/0x30 [ 1248.205910] [] page_fault+0x25/0x30 [ 1248.205913] Mem-Info: [ 1248.205929] active_anon:5067 inactive_anon:42 isolated_anon:0 [ 1248.205929] active_file:19 inactive_file:48 isolated_file:0 [ 1248.205929] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1248.205929] slab_reclaimable:4111 slab_unreclaimable:57874 [ 1248.205929] mapped:33 shmem:48 pagetables:423 bounce:0 [ 1248.205929] free:6021 free_pcp:110 free_cma:0 [ 1248.205942] Node 0 active_anon:20268kB inactive_anon:168kB active_file:76kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:132kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes [ 1248.205959] DMA32 free:18660kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:40kB inactive_file:104kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:172kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1248.205985] Normal free:5424kB min:5580kB low:9168kB high:12756kB active_anon:20268kB inactive_anon:168kB active_file:36kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16428kB slab_unreclaimable:231324kB kernel_stack:4224kB pagetables:1692kB bounce:0kB free_pcp:320kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1248.206039] DMA32: 21*4kB (UM) 18*8kB (ME) 10*16kB (UME) 17*32kB (ME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18660kB Normal: 294*4kB (UMH) 157*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5424kB 116 total pagecache pages [ 1248.206089] 0 pages in swap cache ** 26 printk messages dropped ** [ 1248.208295] [] __do_fault+0x223/0x500 [ 1248.208302] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1248.208309] [] ? handle_mm_fault+0x1d4f/0x2350 [ 1248.208316] [] handle_mm_fault+0x1326/0x2350 [ 1248.208322] [] ? vm_insert_page+0x6f0/0x6f0 [ 1248.208329] [] ? hrtimer_nanosleep+0x38c/0x550 [ 1248.208338] [] __do_page_fault+0x403/0xa60 [ 1248.208345] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1248.208353] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1248.208360] [] do_page_fault+0x27/0x30 [ 1248.208367] [] page_fault+0x25/0x30 [ 1248.208370] Mem-Info: [ 1248.208385] active_anon:5067 inactive_anon:42 isolated_anon:0 [ 1248.208385] active_file:19 inactive_file:48 isolated_file:0 [ 1248.208385] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1248.208385] slab_reclaimable:4111 slab_unreclaimable:57874 [ 1248.208385] mapped:33 shmem:48 pagetables:423 bounce:0 [ 1248.208385] free:6021 free_pcp:110 free_cma:0 [ 1248.208398] Node 0 active_anon:20268kB inactive_anon:168kB active_file:76kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:132kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes [ 1248.208415] DMA32 free:18660kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:40kB inactive_file:104kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:172kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1248.208441] Normal free:5424kB min:5580kB low:9168kB high:12756kB active_anon:20268kB inactive_anon:168kB active_file:36kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16428kB slab_unreclaimable:231324kB kernel_stack:4224kB pagetables:1692kB bounce:0kB free_pcp:320kB local_pcp:92kB free_cma:0kB ** 44 printk messages dropped ** [ 1248.226180] Node 0 active_anon:20268kB inactive_anon:168kB active_file:76kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:132kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes [ 1248.226198] DMA32 free:18660kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:40kB inactive_file:104kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:172kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1248.226224] Normal free:5424kB min:5580kB low:9168kB high:12756kB active_anon:20268kB inactive_anon:168kB active_file:36kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16428kB slab_unreclaimable:231324kB kernel_stack:4224kB pagetables:1692kB bounce:0kB free_pcp:320kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1248.226278] DMA32: 21*4kB (UM) 18*8kB (ME) 10*16kB (UME) 17*32kB (ME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18660kB Normal: 294*4kB (UMH) 157*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5424kB 116 total pagecache pages [ 1248.226322] 0 pages in swap cache [ 1248.226326] Swap cache stats: add 0, delete 0, find 0/0 [ 1248.226328] Free swap = 0kB [ 1248.226330] Total swap = 0kB [ 1248.226333] 1965979 pages RAM [ 1248.226335] 0 pages HighMem/MovableOnly [ 1248.226337] 313617 pages reserved [ 1248.245216] syz-execprog: page allocation stalls for 250050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1248.245223] CPU: 1 PID: 2210 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1248.245237] ffff8801c8c4f7c0 ffffffff81b42e79 1ffff10039189efa ffff8801c94a0000 [ 1248.245247] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c8c4f908 [ 1248.245257] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1248.245259] Call Trace: [ 1248.245270] [] dump_stack+0xc1/0x128 [ 1248.245279] [] warn_alloc.cold.31+0x7f/0x9c [ 1248.245287] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1248.245295] [] ? shrink_node+0x740/0x740 ** 28 printk messages dropped ** [ 1248.245546] lowmem_reserve[]: 0 0 0 [ 1248.245599] DMA32: 21*4kB (UM) 18*8kB (ME) 10*16kB (UME) 17*32kB (ME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18660kB Normal: 294*4kB (UMH) 157*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5424kB 116 total pagecache pages [ 1248.245643] 0 pages in swap cache [ 1248.245647] Swap cache stats: add 0, delete 0, find 0/0 ** 87 printk messages dropped ** [ 1252.958316] [] handle_mm_fault+0x1326/0x2350 [ 1252.958323] [] ? vm_insert_page+0x6f0/0x6f0 ** 268 printk messages dropped ** [ 1258.197812] DMA32: 21*4kB (UM) 18*8kB (ME) 10*16kB (UME) 17*32kB (ME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18660kB Normal: 294*4kB (UMH) 157*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5424kB 116 total pagecache pages [ 1258.197857] 0 pages in swap cache [ 1258.197861] Swap cache stats: add 0, delete 0, find 0/0 [ 1258.197863] Free swap = 0kB [ 1258.197865] Total swap = 0kB [ 1258.197867] 1965979 pages RAM [ 1258.197869] 0 pages HighMem/MovableOnly [ 1258.197871] 313617 pages reserved [ 1258.198045] syz-executor.1: page allocation stalls for 260010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1258.198051] CPU: 0 PID: 2238 Comm: syz-executor.1 Not tainted 4.9.141+ #1 [ 1258.198063] ffff8801c97df7c0 ffffffff81b42e79 1ffff100392fbefa ffff8801c93a4740 [ 1258.198073] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c97df908 [ 1258.198083] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1258.198084] Call Trace: [ 1258.198093] [] dump_stack+0xc1/0x128 [ 1258.198101] [] warn_alloc.cold.31+0x7f/0x9c [ 1258.198109] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1258.198117] [] ? shrink_node+0x740/0x740 [ 1258.198126] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1258.198133] [] ? debug_lockdep_rcu_enabled+0x77/0x90 ** 33 printk messages dropped ** [ 1258.198455] 1965979 pages RAM ** 3 printk messages dropped ** [ 1258.222871] CPU: 0 PID: 2237 Comm: syz-executor.4 Not tainted 4.9.141+ #1 [ 1258.222885] ffff8801ca33f7c0 ffffffff81b42e79 1ffff10039467efa ffff8801c8ea2f80 [ 1258.222896] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca33f908 [ 1258.222906] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1258.222907] Call Trace: [ 1258.222918] [] dump_stack+0xc1/0x128 [ 1258.222926] [] warn_alloc.cold.31+0x7f/0x9c [ 1258.222934] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1258.222943] [] ? shrink_node+0x740/0x740 [ 1258.222952] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1258.222959] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1258.222968] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1258.222976] [] ? check_preemption_disabled+0x3b/0x200 [ 1258.222984] [] ? find_get_entry+0x11a/0x570 [ 1258.222991] [] ? find_get_entry+0x141/0x570 [ 1258.222998] [] ? page_cache_prev_hole+0x80/0x80 [ 1258.223006] [] ? pagecache_get_page+0x131/0x710 [ 1258.223013] [] filemap_fault+0xaf1/0x1110 [ 1258.223021] [] ext4_filemap_fault+0x71/0xa0 [ 1258.223028] [] __do_fault+0x223/0x500 [ 1258.223035] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1258.223042] [] ? handle_mm_fault+0x1d4f/0x2350 [ 1258.223049] [] handle_mm_fault+0x1326/0x2350 [ 1258.223056] [] ? vm_insert_page+0x6f0/0x6f0 [ 1258.223064] [] ? hrtimer_nanosleep+0x38c/0x550 [ 1258.223073] [] __do_page_fault+0x403/0xa60 [ 1258.223080] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1258.223089] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1258.223096] [] do_page_fault+0x27/0x30 [ 1258.223103] [] page_fault+0x25/0x30 [ 1258.223107] Mem-Info: [ 1258.223123] active_anon:5067 inactive_anon:42 isolated_anon:0 [ 1258.223123] active_file:19 inactive_file:48 isolated_file:0 [ 1258.223123] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1258.223123] slab_reclaimable:4111 slab_unreclaimable:57876 [ 1258.223123] mapped:33 shmem:48 pagetables:423 bounce:0 [ 1258.223123] free:6021 free_pcp:108 free_cma:0 ** 31 printk messages dropped ** [ 1258.228592] [] ? page_cache_prev_hole+0x80/0x80 [ 1258.228600] [] ? autoremove_wake_function+0x40/0x40 [ 1258.228607] [] ? pagecache_get_page+0x131/0x710 [ 1258.228614] [] filemap_fault+0xaf1/0x1110 [ 1258.228622] [] ext4_filemap_fault+0x71/0xa0 [ 1258.228628] [] __do_fault+0x223/0x500 [ 1258.228635] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1258.228642] [] ? handle_mm_fault+0x1d4f/0x2350 [ 1258.228650] [] handle_mm_fault+0x1326/0x2350 [ 1258.228657] [] ? vm_insert_page+0x6f0/0x6f0 [ 1258.228664] [] ? hrtimer_nanosleep+0x38c/0x550 [ 1258.228671] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1258.228680] [] __do_page_fault+0x403/0xa60 [ 1258.228687] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1258.228696] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1258.228703] [] do_page_fault+0x27/0x30 [ 1258.228709] [] page_fault+0x25/0x30 [ 1258.228713] Mem-Info: [ 1258.228728] active_anon:5067 inactive_anon:42 isolated_anon:0 [ 1258.228728] active_file:19 inactive_file:48 isolated_file:0 [ 1258.228728] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1258.228728] slab_reclaimable:4111 slab_unreclaimable:57876 [ 1258.228728] mapped:33 shmem:48 pagetables:423 bounce:0 [ 1258.228728] free:6021 free_pcp:108 free_cma:0 [ 1258.228741] Node 0 active_anon:20268kB inactive_anon:168kB active_file:76kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:132kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes ** 34 printk messages dropped ** [ 1258.235139] [] __do_fault+0x223/0x500 [ 1258.235146] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1258.235153] [] ? handle_mm_fault+0x1d4f/0x2350 [ 1258.235160] [] handle_mm_fault+0x1326/0x2350 [ 1258.235166] [] ? vm_insert_page+0x6f0/0x6f0 [ 1258.235173] [] ? hrtimer_nanosleep+0x38c/0x550 [ 1258.235181] [] __do_page_fault+0x403/0xa60 [ 1258.235188] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1258.235196] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1258.235202] [] do_page_fault+0x27/0x30 [ 1258.235209] [] page_fault+0x25/0x30 [ 1258.235212] Mem-Info: [ 1258.235226] active_anon:5067 inactive_anon:42 isolated_anon:0 [ 1258.235226] active_file:19 inactive_file:48 isolated_file:0 [ 1258.235226] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1258.235226] slab_reclaimable:4111 slab_unreclaimable:57876 [ 1258.235226] mapped:33 shmem:48 pagetables:423 bounce:0 [ 1258.235226] free:6021 free_pcp:108 free_cma:0 [ 1258.235238] Node 0 active_anon:20268kB inactive_anon:168kB active_file:76kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:132kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes [ 1258.235254] DMA32 free:18660kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:40kB inactive_file:104kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:172kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1258.235277] Normal free:5424kB min:5580kB low:9168kB high:12756kB active_anon:20268kB inactive_anon:168kB active_file:36kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16428kB slab_unreclaimable:231332kB kernel_stack:4224kB pagetables:1692kB bounce:0kB free_pcp:312kB local_pcp:224kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1258.235326] DMA32: 21*4kB (UM) 18*8kB (ME) 10*16kB (UME) 17*32kB (ME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18660kB Normal: 294*4kB (UMH) 157*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5424kB ** 42 printk messages dropped ** [ 1258.314238] Node 0 active_anon:20268kB inactive_anon:168kB active_file:76kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:132kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes ** 1 printk messages dropped ** [ 1258.314265] lowmem_reserve[]: 0 3505 3505 [ 1258.314283] Normal free:5424kB min:5580kB low:9168kB high:12756kB active_anon:20268kB inactive_anon:168kB active_file:36kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16428kB slab_unreclaimable:231332kB kernel_stack:4224kB pagetables:1692kB bounce:0kB free_pcp:312kB local_pcp:88kB free_cma:0kB ** 359 printk messages dropped ** [ 1268.196657] lowmem_reserve[]: 0 0 0 [ 1268.196705] DMA32: 21*4kB (UM) 18*8kB (ME) 10*16kB (UME) 17*32kB (ME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18660kB Normal: 294*4kB (UMH) 157*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5424kB 116 total pagecache pages [ 1268.196750] 0 pages in swap cache [ 1268.196754] Swap cache stats: add 0, delete 0, find 0/0 [ 1268.196756] Free swap = 0kB [ 1268.196758] Total swap = 0kB [ 1268.196760] 1965979 pages RAM [ 1268.196762] 0 pages HighMem/MovableOnly [ 1268.196764] 313617 pages reserved [ 1268.203430] udevd: page allocation stalls for 270070ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1268.203437] CPU: 0 PID: 470 Comm: udevd Not tainted 4.9.141+ #1 [ 1268.203450] ffff8801d30777c0 ffffffff81b42e79 1ffff1003a60eefa ffff8801d3be17c0 [ 1268.203460] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3077908 [ 1268.203470] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1268.203471] Call Trace: [ 1268.203480] [] dump_stack+0xc1/0x128 [ 1268.203488] [] warn_alloc.cold.31+0x7f/0x9c [ 1268.203496] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1268.203504] [] ? shrink_node+0x740/0x740 [ 1268.203513] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1268.203520] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1268.203529] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1268.203537] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1268.203544] [] ? find_get_entry+0x11a/0x570 [ 1268.203552] [] ? find_get_entry+0x141/0x570 [ 1268.203559] [] ? page_cache_prev_hole+0x80/0x80 [ 1268.203567] [] ? autoremove_wake_function+0x40/0x40 [ 1268.203575] [] ? pagecache_get_page+0x131/0x710 [ 1268.203582] [] filemap_fault+0xaf1/0x1110 [ 1268.203590] [] ext4_filemap_fault+0x71/0xa0 [ 1268.203597] [] __do_fault+0x223/0x500 [ 1268.203604] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1268.203611] [] ? handle_mm_fault+0x1d4f/0x2350 [ 1268.203618] [] handle_mm_fault+0x1326/0x2350 [ 1268.203626] [] ? ep_poll+0x18f/0xb20 [ 1268.203633] [] ? vm_insert_page+0x6f0/0x6f0 [ 1268.203641] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1268.203649] [] __do_page_fault+0x403/0xa60 [ 1268.203657] [] ? __fget_light+0x169/0x1f0 [ 1268.203665] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1268.203673] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1268.203680] [] do_page_fault+0x27/0x30 [ 1268.203687] [] page_fault+0x25/0x30 [ 1268.203690] Mem-Info: [ 1268.203705] active_anon:5067 inactive_anon:42 isolated_anon:0 [ 1268.203705] active_file:19 inactive_file:48 isolated_file:0 [ 1268.203705] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1268.203705] slab_reclaimable:4111 slab_unreclaimable:57876 [ 1268.203705] mapped:33 shmem:48 pagetables:423 bounce:0 [ 1268.203705] free:6021 free_pcp:108 free_cma:0 [ 1268.203717] Node 0 active_anon:20268kB inactive_anon:168kB active_file:76kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:132kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes [ 1268.203735] DMA32 free:18660kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:40kB inactive_file:104kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:172kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1268.203761] Normal free:5424kB min:5580kB low:9168kB high:12756kB active_anon:20268kB inactive_anon:168kB active_file:36kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16428kB slab_unreclaimable:231332kB kernel_stack:4224kB pagetables:1692kB bounce:0kB free_pcp:312kB local_pcp:224kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1268.203815] DMA32: 21*4kB (UM) 18*8kB (ME) 10*16kB (UME) 17*32kB (ME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18660kB Normal: 294*4kB (UMH) 157*8kB (MEH) 81*16kB (UMEH) 43*32kB (MEH) 3*64kB (MH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5424kB 116 total pagecache pages [ 1268.203859] 0 pages in swap cache [ 1268.203863] Swap cache stats: add 0, delete 0, find 0/0 [ 1268.203865] Free swap = 0kB [ 1268.203867] Total swap = 0kB [ 1268.203869] 1965979 pages RAM [ 1268.203871] 0 pages HighMem/MovableOnly [ 1268.203873] 313617 pages reserved [ 1268.225660] syz-executor.5: page allocation stalls for 270010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1268.225670] CPU: 1 PID: 2231 Comm: syz-executor.5 Not tainted 4.9.141+ #1 [ 1268.225687] ffff8801c96df7c0 ffffffff81b42e79 1ffff100392dbefa ffff8801ca2217c0 [ 1268.225697] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c96df908 [ 1268.225707] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1268.225709] Call Trace: [ 1268.225725] [] dump_stack+0xc1/0x128 [ 1268.225736] [] warn_alloc.cold.31+0x7f/0x9c [ 1268.225746] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1268.225755] [] ? shrink_node+0x740/0x740 [ 1268.225769] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1268.225777] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1268.225786] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1268.225795] [] ? check_preemption_disabled+0x3b/0x200 ** 8 printk messages dropped ** [ 1268.225863] [] ? handle_mm_fault+0x1d4f/0x2350 ** 3 printk messages dropped ** [ 1268.225900] [] __do_page_fault+0x403/0xa60 [ 1268.225908] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1268.225918] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1268.225925] [] do_page_fault+0x27/0x30 [ 1268.225933] [] page_fault+0x25/0x30 [ 1268.225937] Mem-Info: [ 1268.225954] active_anon:5067 inactive_anon:42 isolated_anon:0 [ 1268.225954] active_file:19 inactive_file:48 isolated_file:0 [ 1268.225954] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1268.225954] slab_reclaimable:4111 slab_unreclaimable:57876 [ 1268.225954] mapped:33 shmem:48 pagetables:423 bounce:0 [ 1268.225954] free:6021 free_pcp:108 free_cma:0 [ 1268.225967] Node 0 active_anon:20268kB inactive_anon:168kB active_file:76kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:132kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes [ 1268.225985] DMA32 free:18660kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:40kB inactive_file:104kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:172kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1268.226011] Normal free:5424kB min:5580kB low:9168kB high:12756kB active_anon:20268kB inactive_anon:168kB active_file:36kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16428kB slab_unreclaimable:231332kB kernel_stack:4224kB pagetables:1692kB bounce:0kB free_pcp:312kB local_pcp:88kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1268.226067] DMA32: 21*4kB (UM) 18*8kB (ME) 10*16kB (UME) 17*32kB (ME) 19*64kB (ME) 3*128kB (ME) 5*256kB (UME) 1*512kB (E) 10*1024kB (UME) 2*2048kB (U) 0*4096kB = 18660kB