INIT: Id "3" respawning too fast: disabled for 5 minutes INIT: Id "4" respawning too fast: disabled for 5 minutes INIT: Id "5" respawning too fast: disabled for 5 minutes INIT: Id "1" respawning too fast: disabled for 5 minutes INIT: Id "2" respawning too fast: disabled for 5 minutes Warning: Permanently added '10.128.0.69' (ECDSA) to the list of known hosts. 2019/08/25 22:16:29 parsed 1 programs 2019/08/25 22:16:30 executed programs: 0 [ 1022.710859] audit: type=1400 audit(1566771390.541:5): avc: denied { sys_admin } for pid=2227 comm="syz-executor.2" capability=21 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 1022.730360] audit: type=1400 audit(1566771390.561:6): avc: denied { net_admin } for pid=2229 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 [ 1022.934133] audit: type=1400 audit(1566771390.771:7): avc: denied { sys_chroot } for pid=2232 comm="syz-executor.1" 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 [ 1022.968861] audit: type=1400 audit(1566771390.801:8): avc: denied { associate } for pid=2232 comm="syz-executor.1" name="syz1" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 [ 1024.581232] lowmemorykiller: Killing 'syz-executor.4' (2399) (tgid 2398), adj 1000, [ 1024.581232] to free 1104kB on behalf of 'syz-executor.3' (2409) because [ 1024.581232] cache 55640kB is below limit 65536kB for oom_score_adj 12 [ 1024.581232] Free memory is -13128kB above reserved [ 1024.583560] lowmemorykiller: Killing 'syz-executor.4' (2399) (tgid 2398), adj 1000, [ 1024.583560] to free 1104kB on behalf of 'kswapd0' (33) because [ 1024.583560] cache 51940kB is below limit 65536kB for oom_score_adj 12 [ 1024.583560] Free memory is -11524kB above reserved [ 1025.323176] oom_reaper: reaped process 2408 (syz-executor.1), now anon-rss:0kB, file-rss:4kB, shmem-rss:0kB [ 1025.380656] oom_reaper: reaped process 2410 (syz-executor.5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1025.410779] syz-executor.5: vmalloc: allocation failure, allocated 149626880 of 3993182208 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 1025.410788] CPU: 1 PID: 2410 Comm: syz-executor.5 Not tainted 4.9.141+ #1 [ 1025.410804] ffff8800a194f9c8 ffffffff81b42e79 1ffff10014329f3b dffffc0000000000 [ 1025.410814] ffffffff82aa8ba0 0000000000000000 0000000000400000 ffff8800a194fb10 [ 1025.410824] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1025.410825] Call Trace: [ 1025.410912] [] dump_stack+0xc1/0x128 [ 1025.410958] [] warn_alloc.cold.31+0x7f/0x9c [ 1025.410977] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1025.410991] [] __vmalloc_node_range+0x3f8/0x600 [ 1025.411048] [] ? xt_alloc_table_info+0xc9/0x100 [ 1025.411055] [] vmalloc+0x5b/0x70 [ 1025.411062] [] ? xt_alloc_table_info+0xc9/0x100 [ 1025.411069] [] xt_alloc_table_info+0xc9/0x100 [ 1025.411097] [] do_ipt_set_ctl+0x235/0x460 [ 1025.411106] [] ? compat_do_ipt_set_ctl+0x140/0x140 [ 1025.411173] [] ? mutex_unlock+0x9/0x10 [ 1025.411201] [] ? nf_sockopt_find.constprop.0+0x1b1/0x230 [ 1025.411209] [] nf_setsockopt+0x6d/0xc0 [ 1025.411239] [] ip_setsockopt+0x88/0xa0 [ 1025.411268] [] udp_setsockopt+0x4a/0x90 [ 1025.411297] [] sock_common_setsockopt+0x9a/0xe0 [ 1025.411305] [] SyS_setsockopt+0x166/0x260 [ 1025.411312] [] ? SyS_recv+0x40/0x40 [ 1025.411352] [] ? SyS_clock_gettime+0x11e/0x1f0 [ 1025.411360] [] ? SyS_clock_settime+0x220/0x220 [ 1025.411377] [] ? do_syscall_64+0x48/0x550 [ 1025.411384] [] ? SyS_recv+0x40/0x40 [ 1025.411390] [] do_syscall_64+0x19f/0x550 [ 1025.411398] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 1025.411402] Mem-Info: [ 1025.411418] active_anon:5519 inactive_anon:41 isolated_anon:0 [ 1025.411418] active_file:7 inactive_file:28 isolated_file:0 [ 1025.411418] unevictable:0 dirty:6 writeback:0 unstable:0 [ 1025.411418] slab_reclaimable:4066 slab_unreclaimable:57847 [ 1025.411418] mapped:37 shmem:48 pagetables:390 bounce:0 [ 1025.411418] free:250 free_pcp:5 free_cma:0 [ 1025.411431] Node 0 active_anon:22076kB inactive_anon:164kB active_file:28kB inactive_file:112kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:148kB dirty:24kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 1025.411449] DMA32 free:64kB min:4696kB low:7712kB high:10728kB active_anon:80kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:144kB kernel_stack:192kB pagetables:4kB bounce:0kB free_pcp:12kB local_pcp:12kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1025.411475] Normal free:936kB min:5580kB low:9168kB high:12756kB active_anon:21996kB inactive_anon:164kB active_file:28kB inactive_file:112kB unevictable:0kB writepending:24kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16264kB slab_unreclaimable:231244kB kernel_stack:3968kB pagetables:1556kB bounce:0kB free_pcp:8kB local_pcp:8kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1025.411510] DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Normal: 0*4kB 9*8kB (H) 1*16kB (H) 0*32kB 2*64kB (H) 3*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 856kB 122 total pagecache pages [ 1025.411551] 0 pages in swap cache [ 1025.411555] Swap cache stats: add 0, delete 0, find 0/0 [ 1025.411557] Free swap = 0kB [ 1025.411559] Total swap = 0kB [ 1025.411561] 1965979 pages RAM [ 1025.411563] 0 pages HighMem/MovableOnly [ 1025.411565] 313617 pages reserved [ 1025.446473] syz-executor.1: vmalloc: allocation failure, allocated 102260736 of 3993182208 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 1025.446481] CPU: 1 PID: 2408 Comm: syz-executor.1 Not tainted 4.9.141+ #1 [ 1025.446495] ffff8800aa0279c8 ffffffff81b42e79 1ffff10015404f3b dffffc0000000000 [ 1025.446506] ffffffff82aa8ba0 0000000000000000 0000000000400000 ffff8800aa027b10 [ 1025.446516] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1025.446517] Call Trace: [ 1025.446533] [] dump_stack+0xc1/0x128 [ 1025.446543] [] warn_alloc.cold.31+0x7f/0x9c [ 1025.446552] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1025.446561] [] ? retint_kernel+0x2d/0x2d [ 1025.446570] [] __vmalloc_node_range+0x3f8/0x600 [ 1025.446578] [] ? xt_alloc_table_info+0xc9/0x100 [ 1025.446584] [] vmalloc+0x5b/0x70 [ 1025.446591] [] ? xt_alloc_table_info+0xc9/0x100 [ 1025.446598] [] xt_alloc_table_info+0xc9/0x100 [ 1025.446607] [] do_ipt_set_ctl+0x235/0x460 [ 1025.446615] [] ? compat_do_ipt_set_ctl+0x140/0x140 [ 1025.446624] [] ? mutex_unlock+0x9/0x10 [ 1025.446633] [] ? nf_sockopt_find.constprop.0+0x1b1/0x230 [ 1025.446639] [] nf_setsockopt+0x6d/0xc0 [ 1025.446648] [] ip_setsockopt+0x88/0xa0 [ 1025.446656] [] udp_setsockopt+0x4a/0x90 [ 1025.446665] [] sock_common_setsockopt+0x9a/0xe0 [ 1025.446672] [] SyS_setsockopt+0x166/0x260 [ 1025.446679] [] ? SyS_recv+0x40/0x40 [ 1025.446689] [] ? SyS_clock_gettime+0x11e/0x1f0 [ 1025.446696] [] ? SyS_clock_settime+0x220/0x220 [ 1025.446703] [] ? do_syscall_64+0x48/0x550 [ 1025.446710] [] ? SyS_recv+0x40/0x40 [ 1025.446716] [] do_syscall_64+0x19f/0x550 [ 1025.446724] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 1025.446727] Mem-Info: [ 1025.446744] active_anon:5519 inactive_anon:41 isolated_anon:0 [ 1025.446744] active_file:7 inactive_file:28 isolated_file:0 [ 1025.446744] unevictable:0 dirty:6 writeback:0 unstable:0 [ 1025.446744] slab_reclaimable:4066 slab_unreclaimable:57847 [ 1025.446744] mapped:37 shmem:48 pagetables:390 bounce:0 [ 1025.446744] free:250 free_pcp:5 free_cma:0 [ 1025.446757] Node 0 active_anon:22076kB inactive_anon:164kB active_file:28kB inactive_file:112kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:148kB dirty:24kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 1025.446775] DMA32 free:64kB min:4696kB low:7712kB high:10728kB active_anon:80kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:144kB kernel_stack:192kB pagetables:4kB bounce:0kB free_pcp:12kB local_pcp:12kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1025.446800] Normal free:936kB min:5580kB low:9168kB high:12756kB active_anon:21996kB inactive_anon:164kB active_file:28kB inactive_file:112kB unevictable:0kB writepending:24kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16264kB slab_unreclaimable:231244kB kernel_stack:3968kB pagetables:1556kB bounce:0kB free_pcp:8kB local_pcp:8kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1025.446836] DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Normal: 0*4kB 9*8kB (H) 1*16kB (H) 0*32kB 2*64kB (H) 3*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 856kB 122 total pagecache pages [ 1025.446876] 0 pages in swap cache [ 1025.446880] Swap cache stats: add 0, delete 0, find 0/0 [ 1025.446882] Free swap = 0kB [ 1025.446884] Total swap = 0kB [ 1025.446886] 1965979 pages RAM [ 1025.446888] 0 pages HighMem/MovableOnly [ 1025.446890] 313617 pages reserved [ 1025.792637] lowmemorykiller: Killing 'syz-executor.0' (2378) (tgid 2375), adj 1000, [ 1025.792637] to free 168kB on behalf of 'syz-executor.0' (2407) because [ 1025.792637] cache 296kB is below limit 6144kB for oom_score_adj 0 [ 1025.792637] Free memory is -36504kB above reserved [ 1026.802679] lowmemorykiller: Killing 'syz-executor.4' (2399) (tgid 2398), adj 1000, [ 1026.802679] to free 168kB on behalf of 'syz-executor.5' (2389) because [ 1026.802679] cache 180kB is below limit 6144kB for oom_score_adj 0 [ 1026.802679] Free memory is -36628kB above reserved [ 1027.092601] syz-executor.1: page allocation failure: order:0, mode:0x2280020(GFP_ATOMIC|__GFP_NOTRACK) [ 1027.092609] CPU: 1 PID: 2408 Comm: syz-executor.1 Not tainted 4.9.141+ #1 [ 1027.092623] ffff8801db7075c8 ffffffff81b42e79 1ffff1003b6e0ebb dffffc0000000000 [ 1027.092631] ffffffff82a974e0 0000000000000000 0000000002280020 ffff8801db707710 [ 1027.092638] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1027.092639] Call Trace: [ 1027.092655] [ 1027.092655] [] dump_stack+0xc1/0x128 [ 1027.092664] [] warn_alloc.cold.31+0x7f/0x9c [ 1027.092672] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1027.092714] [] ? trace_hardirqs_on+0xd/0x10 [ 1027.092722] [] ? get_page_from_freelist+0x23e/0x1d80 [ 1027.092731] [] __alloc_pages_nodemask+0x628/0x1bd0 [ 1027.092737] [] ? __lock_acquire+0x654/0x4a10 [ 1027.092744] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1027.092750] [] ? trace_hardirqs_on+0x10/0x10 [ 1027.092799] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1027.092807] [] new_slab+0x367/0x3d0 [ 1027.092816] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 1027.092832] [] ? __alloc_skb+0xe6/0x5b0 [ 1027.092838] [] ? trace_hardirqs_on+0x10/0x10 [ 1027.092886] [] ? check_preemption_disabled+0x3b/0x200 [ 1027.092894] [] ? __alloc_skb+0xe6/0x5b0 [ 1027.092902] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 1027.092910] [] ? __alloc_skb+0xe6/0x5b0 [ 1027.092917] [] kmem_cache_alloc+0x212/0x2b0 [ 1027.092923] [] ? mark_held_locks+0xc7/0x130 [ 1027.092931] [] __alloc_skb+0xe6/0x5b0 [ 1027.092938] [] ? __kmalloc_reserve.isra.5+0xc0/0xc0 [ 1027.092967] [] ? ipv6_get_ifaddr+0x300/0x510 [ 1027.092974] [] ? trace_hardirqs_on+0xd/0x10 [ 1027.092988] [] ? __local_bh_enable_ip+0x6a/0xe0 [ 1027.093016] [] ndisc_alloc_skb+0x144/0x330 [ 1027.093023] [] ndisc_send_rs+0x2ff/0x670 [ 1027.093030] [] ? __ipv6_get_lladdr+0x250/0x250 [ 1027.093037] [] addrconf_rs_timer+0x27e/0x5a0 [ 1027.093043] [] ? ipv6_get_lladdr+0x440/0x440 [ 1027.093051] [] call_timer_fn+0x163/0x6e0 [ 1027.093058] [] ? call_timer_fn+0xda/0x6e0 [ 1027.093065] [] ? debug_object_deactivate+0x214/0x340 [ 1027.093071] [] ? ipv6_get_lladdr+0x440/0x440 [ 1027.093078] [] ? process_timeout+0x20/0x20 [ 1027.093085] [] ? check_preemption_disabled+0x3b/0x200 [ 1027.093094] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 1027.093100] [] ? ipv6_get_lladdr+0x440/0x440 [ 1027.093107] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 1027.093119] [] ? ipv6_get_lladdr+0x440/0x440 [ 1027.093126] [] expire_timers+0x234/0x580 [ 1027.093133] [] ? collect_expired_timers+0x1d5/0x2b0 [ 1027.093140] [] run_timer_softirq+0x208/0x5e0 [ 1027.093146] [] ? expire_timers+0x580/0x580 [ 1027.093154] [] ? check_preemption_disabled+0x3b/0x200 [ 1027.093185] [] __do_softirq+0x20e/0x964 [ 1027.093192] [] ? check_preemption_disabled+0x3b/0x200 [ 1027.093199] [] irq_exit+0x11c/0x150 [ 1027.093206] [] smp_apic_timer_interrupt+0x81/0xb0 [ 1027.093214] [] apic_timer_interrupt+0x9d/0xb0 [ 1027.093223] [ 1027.093224] [] ? _raw_spin_unlock_irqrestore+0x5f/0x70 [ 1027.093232] [] debug_check_no_obj_freed+0x2ce/0x890 [ 1027.093240] [] ? debug_object_activate+0x4e0/0x4e0 [ 1027.093247] [] ? _raw_spin_unlock+0x2c/0x50 [ 1027.093253] [] __vunmap+0x130/0x400 [ 1027.093260] [] vfree+0x50/0x110 [ 1027.093267] [] __vmalloc_node_range+0x423/0x600 [ 1027.093274] [] ? xt_alloc_table_info+0xc9/0x100 [ 1027.093281] [] vmalloc+0x5b/0x70 [ 1027.093288] [] ? xt_alloc_table_info+0xc9/0x100 [ 1027.093294] [] xt_alloc_table_info+0xc9/0x100 [ 1027.093302] [] do_ipt_set_ctl+0x235/0x460 [ 1027.093310] [] ? compat_do_ipt_set_ctl+0x140/0x140 [ 1027.093319] [] ? mutex_unlock+0x9/0x10 [ 1027.093327] [] ? nf_sockopt_find.constprop.0+0x1b1/0x230 [ 1027.093334] [] nf_setsockopt+0x6d/0xc0 [ 1027.093342] [] ip_setsockopt+0x88/0xa0 [ 1027.093350] [] udp_setsockopt+0x4a/0x90 [ 1027.093357] [] sock_common_setsockopt+0x9a/0xe0 [ 1027.093364] [] SyS_setsockopt+0x166/0x260 [ 1027.093371] [] ? SyS_recv+0x40/0x40 [ 1027.093378] [] ? SyS_clock_gettime+0x11e/0x1f0 [ 1027.093386] [] ? SyS_clock_settime+0x220/0x220 [ 1027.093393] [] ? do_syscall_64+0x48/0x550 [ 1027.093400] [] ? SyS_recv+0x40/0x40 [ 1027.093406] [] do_syscall_64+0x19f/0x550 [ 1027.093414] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 1027.093417] Mem-Info: [ 1027.093433] active_anon:5497 inactive_anon:41 isolated_anon:0 [ 1027.093433] active_file:14 inactive_file:31 isolated_file:0 [ 1027.093433] unevictable:0 dirty:6 writeback:0 unstable:0 [ 1027.093433] slab_reclaimable:4066 slab_unreclaimable:57847 [ 1027.093433] mapped:13 shmem:48 pagetables:390 bounce:0 [ 1027.093433] free:219 free_pcp:0 free_cma:0 [ 1027.093445] Node 0 active_anon:21988kB inactive_anon:164kB active_file:56kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:52kB dirty:24kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:11 all_unreclaimable? yes [ 1027.093462] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:64kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:144kB kernel_stack:192kB pagetables:4kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1027.093487] Normal free:876kB min:5580kB low:9168kB high:12756kB active_anon:21924kB inactive_anon:164kB active_file:56kB inactive_file:124kB unevictable:0kB writepending:24kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16264kB slab_unreclaimable:231244kB kernel_stack:3968kB pagetables:1556kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1027.093531] DMA32: 3*4kB (M) 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 12kB Normal: 7*4kB (UM) 9*8kB (H) 1*16kB (H) 0*32kB 2*64kB (H) 3*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 884kB 93 total pagecache pages [ 1027.093570] 0 pages in swap cache [ 1027.093574] Swap cache stats: add 0, delete 0, find 0/0 [ 1027.093576] Free swap = 0kB [ 1027.093578] Total swap = 0kB [ 1027.093580] 1965979 pages RAM [ 1027.093582] 0 pages HighMem/MovableOnly [ 1027.093583] 313617 pages reserved [ 1027.093709] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 1027.093715] cache: skbuff_head_cache, object size: 224, buffer size: 320, default order: 0, min order: 0 [ 1027.093724] node 0: slabs: 614, objs: 7368, free: 0 [ 1027.093744] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1027.093773] syz-executor.1: page allocation failure: order:0, mode:0x2280020(GFP_ATOMIC|__GFP_NOTRACK) [ 1027.093779] CPU: 1 PID: 2408 Comm: syz-executor.1 Not tainted 4.9.141+ #1 [ 1027.093790] ffff8801db7075c8 ffffffff81b42e79 1ffff1003b6e0ebb dffffc0000000000 [ 1027.093800] ffffffff82a974e0 0000000000000000 0000000002280020 ffff8801db707710 [ 1027.093810] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1027.093811] Call Trace: [ 1027.093823] [ 1027.093823] [] dump_stack+0xc1/0x128 [ 1027.093831] [] warn_alloc.cold.31+0x7f/0x9c [ 1027.093839] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1027.093847] [] ? get_page_from_freelist+0x23e/0x1d80 [ 1027.093856] [] __alloc_pages_nodemask+0x628/0x1bd0 [ 1027.093889] [] ? get_stack_info+0x37/0x120 [ 1027.093917] [] ? __unwind_start+0x14d/0x3b0 [ 1027.093925] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1027.093933] [] ? trace_hardirqs_on+0x10/0x10 [ 1027.093941] [] new_slab+0x367/0x3d0 [ 1027.093949] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 1027.093957] [] ? __alloc_skb+0xe6/0x5b0 [ 1027.093964] [] ? trace_hardirqs_on+0x10/0x10 [ 1027.093971] [] ? debug_object_activate+0x32d/0x4e0 [ 1027.093979] [] ? check_preemption_disabled+0x3b/0x200 [ 1027.093986] [] ? __alloc_skb+0xe6/0x5b0 [ 1027.093994] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 1027.094002] [] ? __alloc_skb+0xe6/0x5b0 [ 1027.094009] [] kmem_cache_alloc+0x212/0x2b0 [ 1027.094016] [] ? mark_held_locks+0xc7/0x130 [ 1027.094023] [] __alloc_skb+0xe6/0x5b0 [ 1027.094031] [] ? __kmalloc_reserve.isra.5+0xc0/0xc0 [ 1027.094037] [] ? ipv6_get_ifaddr+0x300/0x510 [ 1027.094044] [] ? trace_hardirqs_on+0xd/0x10 [ 1027.094051] [] ? __local_bh_enable_ip+0x6a/0xe0 [ 1027.094058] [] ndisc_alloc_skb+0x144/0x330 [ 1027.094066] [] ndisc_send_rs+0x2ff/0x670 [ 1027.094072] [] ? __ipv6_get_lladdr+0x250/0x250 [ 1027.094079] [] addrconf_rs_timer+0x27e/0x5a0 [ 1027.094086] [] ? ipv6_get_lladdr+0x440/0x440 [ 1027.094093] [] call_timer_fn+0x163/0x6e0 [ 1027.094100] [] ? call_timer_fn+0xda/0x6e0 [ 1027.094107] [] ? debug_object_deactivate+0x214/0x340 [ 1027.094120] [] ? ipv6_get_lladdr+0x440/0x440 [ 1027.094127] [] ? process_timeout+0x20/0x20 [ 1027.094134] [] ? check_preemption_disabled+0x3b/0x200 [ 1027.094141] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 1027.094148] [] ? ipv6_get_lladdr+0x440/0x440 [ 1027.094154] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 1027.094161] [] ? ipv6_get_lladdr+0x440/0x440 [ 1027.094167] [] expire_timers+0x234/0x580 [ 1027.094174] [] ? collect_expired_timers+0x1d5/0x2b0 [ 1027.094181] [] run_timer_softirq+0x208/0x5e0 [ 1027.094188] [] ? expire_timers+0x580/0x580 [ 1027.094195] [] ? check_preemption_disabled+0x3b/0x200 [ 1027.094203] [] __do_softirq+0x20e/0x964 [ 1027.094210] [] ? check_preemption_disabled+0x3b/0x200 [ 1027.094217] [] irq_exit+0x11c/0x150 [ 1027.094225] [] smp_apic_timer_interrupt+0x81/0xb0 [ 1027.094232] [] apic_timer_interrupt+0x9d/0xb0 [ 1027.094242] [ 1027.094242] [] ? _raw_spin_unlock_irqrestore+0x5f/0x70 [ 1027.094250] [] debug_check_no_obj_freed+0x2ce/0x890 [ 1027.094258] [] ? debug_object_activate+0x4e0/0x4e0 [ 1027.094264] [] ? _raw_spin_unlock+0x2c/0x50 [ 1027.094271] [] __vunmap+0x130/0x400 [ 1027.094277] [] vfree+0x50/0x110 [ 1027.094284] [] __vmalloc_node_range+0x423/0x600 [ 1027.094291] [] ? xt_alloc_table_info+0xc9/0x100 [ 1027.094297] [] vmalloc+0x5b/0x70 [ 1027.094304] [] ? xt_alloc_table_info+0xc9/0x100 [ 1027.094311] [] xt_alloc_table_info+0xc9/0x100 [ 1027.094318] [] do_ipt_set_ctl+0x235/0x460 [ 1027.094326] [] ? compat_do_ipt_set_ctl+0x140/0x140 [ 1027.094334] [] ? mutex_unlock+0x9/0x10 [ 1027.094342] [] ? nf_sockopt_find.constprop.0+0x1b1/0x230 [ 1027.094348] [] nf_setsockopt+0x6d/0xc0 [ 1027.094356] [] ip_setsockopt+0x88/0xa0 [ 1027.094363] [] udp_setsockopt+0x4a/0x90 [ 1027.094370] [] sock_common_setsockopt+0x9a/0xe0 [ 1027.094377] [] SyS_setsockopt+0x166/0x260 [ 1027.094384] [] ? SyS_recv+0x40/0x40 [ 1027.094391] [] ? SyS_clock_gettime+0x11e/0x1f0 [ 1027.094398] [] ? SyS_clock_settime+0x220/0x220 [ 1027.094405] [] ? do_syscall_64+0x48/0x550 [ 1027.094411] [] ? SyS_recv+0x40/0x40 [ 1027.094417] [] do_syscall_64+0x19f/0x550 [ 1027.094425] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 1027.094428] Mem-Info: [ 1027.094442] active_anon:5497 inactive_anon:41 isolated_anon:0 [ 1027.094442] active_file:14 inactive_file:31 isolated_file:0 [ 1027.094442] unevictable:0 dirty:6 writeback:0 unstable:0 [ 1027.094442] slab_reclaimable:4066 slab_unreclaimable:57847 [ 1027.094442] mapped:13 shmem:48 pagetables:390 bounce:0 [ 1027.094442] free:219 free_pcp:0 free_cma:0 [ 1027.094455] Node 0 active_anon:21988kB inactive_anon:164kB active_file:56kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:52kB dirty:24kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:11 all_unreclaimable? yes [ 1027.094471] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:64kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:144kB kernel_stack:192kB pagetables:4kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1027.094495] Normal free:876kB min:5580kB low:9168kB high:12756kB active_anon:21924kB inactive_anon:164kB active_file:56kB inactive_file:124kB unevictable:0kB writepending:24kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16264kB slab_unreclaimable:231244kB kernel_stack:3968kB pagetables:1556kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1027.094530] DMA32: 3*4kB (M) 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 12kB Normal: 7*4kB (UM) 9*8kB (H) 1*16kB (H) 0*32kB 2*64kB (H) 3*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 884kB 93 total pagecache pages [ 1027.094569] 0 pages in swap cache [ 1027.094573] Swap cache stats: add 0, delete 0, find 0/0 [ 1027.094575] Free swap = 0kB [ 1027.094577] Total swap = 0kB [ 1027.094579] 1965979 pages RAM [ 1027.094580] 0 pages HighMem/MovableOnly [ 1027.094582] 313617 pages reserved [ 1027.094588] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 1027.094593] cache: skbuff_head_cache, object size: 224, buffer size: 320, default order: 0, min order: 0 [ 1027.094597] node 0: slabs: 614, objs: 7368, free: 0 [ 1027.094601] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1027.094626] syz-executor.1: page allocation failure: order:0, mode:0x2280020(GFP_ATOMIC|__GFP_NOTRACK) [ 1027.094632] CPU: 1 PID: 2408 Comm: syz-executor.1 Not tainted 4.9.141+ #1 [ 1027.094643] ffff8801db7075c8 ffffffff81b42e79 1ffff1003b6e0ebb dffffc0000000000 [ 1027.094652] ffffffff82a974e0 0000000000000000 0000000002280020 ffff8801db707710 [ 1027.094662] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1027.094663] Call Trace: [ 1027.094673] [ 1027.094673] [] dump_stack+0xc1/0x128 [ 1027.094681] [] warn_alloc.cold.31+0x7f/0x9c [ 1027.094689] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1027.094697] [] ? get_page_from_freelist+0x23e/0x1d80 [ 1027.094705] [] __alloc_pages_nodemask+0x628/0x1bd0 [ 1027.094735] [] ? kvm_sched_clock_read+0x9/0x20 [ 1027.094761] [] ? sched_clock+0x9/0x10 [ 1027.094769] [] ? down_trylock+0x50/0x70 [ 1027.094778] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1027.094804] [] ? vprintk_emit+0x272/0x790 [ 1027.094812] [] ? trace_hardirqs_on+0x10/0x10 [ 1027.094820] [] new_slab+0x367/0x3d0 [ 1027.094828] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 1027.094835] [] ? __alloc_skb+0xe6/0x5b0 [ 1027.094842] [] ? trace_hardirqs_on+0x10/0x10 [ 1027.094849] [] ? debug_object_activate+0x32d/0x4e0 [ 1027.094857] [] ? check_preemption_disabled+0x3b/0x200 [ 1027.094864] [] ? __alloc_skb+0xe6/0x5b0 [ 1027.094878] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 1027.094886] [] ? __alloc_skb+0xe6/0x5b0 [ 1027.094893] [] kmem_cache_alloc+0x212/0x2b0 [ 1027.094900] [] ? mark_held_locks+0xc7/0x130 [ 1027.094907] [] __alloc_skb+0xe6/0x5b0 [ 1027.094915] [] ? __kmalloc_reserve.isra.5+0xc0/0xc0 [ 1027.094921] [] ? ipv6_get_ifaddr+0x300/0x510 [ 1027.094928] [] ? trace_hardirqs_on+0xd/0x10 [ 1027.094935] [] ? __local_bh_enable_ip+0x6a/0xe0 [ 1027.094943] [] ndisc_alloc_skb+0x144/0x330 [ 1027.094950] [] ndisc_send_rs+0x2ff/0x670 ** 70 printk messages dropped ** [ 1027.095476] node 0: slabs: 614, objs: 7368, free: 0 [ 1027.095479] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb ** 256 printk messages dropped ** [ 1027.252773] [] ? check_preemption_disabled+0x3b/0x200 [ 1027.252779] [] ? __alloc_skb+0xe6/0x5b0 [ 1027.252786] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 1027.252791] [] ? __alloc_skb+0xe6/0x5b0 [ 1027.252797] [] kmem_cache_alloc+0x212/0x2b0 [ 1027.252802] [] ? mark_held_locks+0xc7/0x130 [ 1027.252808] [] __alloc_skb+0xe6/0x5b0 [ 1027.252814] [] ? __kmalloc_reserve.isra.5+0xc0/0xc0 [ 1027.252820] [] ? ipv6_get_ifaddr+0x300/0x510 [ 1027.252826] [] ? trace_hardirqs_on+0xd/0x10 [ 1027.252832] [] ? __local_bh_enable_ip+0x6a/0xe0 [ 1027.252838] [] ndisc_alloc_skb+0x144/0x330 [ 1027.252845] [] ndisc_send_rs+0x2ff/0x670 [ 1027.252850] [] ? __ipv6_get_lladdr+0x250/0x250 [ 1027.252855] [] addrconf_rs_timer+0x27e/0x5a0 [ 1027.252860] [] ? ipv6_get_lladdr+0x440/0x440 [ 1027.252866] [] call_timer_fn+0x163/0x6e0 [ 1027.252871] [] ? call_timer_fn+0xda/0x6e0 [ 1027.252876] [] ? ipv6_get_lladdr+0x440/0x440 [ 1027.252881] [] ? process_timeout+0x20/0x20 [ 1027.252886] [] ? mark_held_locks+0xc7/0x130 [ 1027.252893] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 1027.252897] [] ? ipv6_get_lladdr+0x440/0x440 [ 1027.252903] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 1027.252908] [] ? ipv6_get_lladdr+0x440/0x440 [ 1027.252913] [] expire_timers+0x234/0x580 [ 1027.252918] [] ? collect_expired_timers+0x1d5/0x2b0 [ 1027.252924] [] run_timer_softirq+0x208/0x5e0 [ 1027.252929] [] ? expire_timers+0x580/0x580 [ 1027.252935] [] ? check_preemption_disabled+0x3b/0x200 [ 1027.252942] [] __do_softirq+0x20e/0x964 [ 1027.252948] [] ? check_preemption_disabled+0x3b/0x200 [ 1027.252953] [] irq_exit+0x11c/0x150 [ 1027.252959] [] smp_apic_timer_interrupt+0x81/0xb0 [ 1027.252964] [] apic_timer_interrupt+0x9d/0xb0 [ 1027.252972] [ 1027.252973] [] ? check_preemption_disabled+0x3b/0x200 [ 1027.252978] [] ? rcu_is_watching+0x15/0xa0 [ 1027.252984] [] find_lock_task_mm+0x1ab/0x270 [ 1027.252990] [] ? wake_oom_reaper+0xf0/0xf0 [ 1027.252995] [] lowmem_scan+0x34f/0xaf0 [ 1027.253000] [] ? lowmem_scan+0x24e/0xaf0 [ 1027.253006] [] ? check_preemption_disabled+0x3b/0x200 [ 1027.253012] [] shrink_slab.part.8+0x3c6/0xa00 [ 1027.253018] [] ? unregister_shrinker+0x230/0x230 [ 1027.253024] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 1027.253030] [] shrink_node+0x1ed/0x740 [ 1027.253036] [] ? shrink_node_memcg.isra.19+0x12e0/0x12e0 [ 1027.253043] [] ? __delayacct_freepages_start+0x41/0x80 [ 1027.253049] [] try_to_free_pages+0x377/0xb80 [ 1027.253055] [] ? shrink_node+0x740/0x740 [ 1027.253061] [] __alloc_pages_nodemask+0x981/0x1bd0 [ 1027.253067] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1027.253073] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1027.253079] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1027.253085] [] ? find_get_entry+0x11a/0x570 [ 1027.253091] [] ? find_get_entry+0x141/0x570 [ 1027.253096] [] ? page_cache_prev_hole+0x80/0x80 [ 1027.253106] [] ? __lock_acquire+0x654/0x4a10 [ 1027.253112] [] ? pagecache_get_page+0x131/0x710 [ 1027.253118] [] filemap_fault+0xaf1/0x1110 [ 1027.253125] [] ext4_filemap_fault+0x71/0xa0 [ 1027.253130] [] __do_fault+0x223/0x500 [ 1027.253135] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1027.253142] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1027.253147] [] handle_mm_fault+0x1326/0x2350 [ 1027.253152] [] ? vm_insert_page+0x6f0/0x6f0 [ 1027.253158] [] ? kvm_clock_get_cycles+0x9/0x10 [ 1027.253165] [] __do_page_fault+0x403/0xa60 [ 1027.253170] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1027.253177] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1027.253183] [] do_page_fault+0x27/0x30 [ 1027.253188] [] page_fault+0x25/0x30 [ 1027.253190] Mem-Info: [ 1027.253195] CPU: 0 PID: 2405 Comm: syz-executor.2 Not tainted 4.9.141+ #1 [ 1027.253205] active_anon:5497 inactive_anon:41 isolated_anon:0 [ 1027.253205] active_file:14 inactive_file:31 isolated_file:0 [ 1027.253205] unevictable:0 dirty:6 writeback:0 unstable:0 [ 1027.253205] slab_reclaimable:4066 slab_unreclaimable:57847 [ 1027.253205] mapped:13 shmem:48 pagetables:390 bounce:0 [ 1027.253205] free:219 free_pcp:0 free_cma:0 [ 1027.253215] ffff8801db607418 [ 1027.253215] Node 0 active_anon:21988kB inactive_anon:164kB active_file:56kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:52kB dirty:24kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:11 all_unreclaimable? yes [ 1027.253227] ffffffff81b42e79DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:64kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:144kB kernel_stack:192kB pagetables:4kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB 1ffff1003b6c0e85lowmem_reserve[]: [ 1027.253233] ffff8801c79617c0 0 3505 ffffffff82a974e0 [ 1027.253239] 3505 0000000000000000 0000000002284020Normal free:876kB min:5580kB low:9168kB high:12756kB active_anon:21924kB inactive_anon:164kB active_file:56kB inactive_file:124kB unevictable:0kB writepending:24kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16264kB slab_unreclaimable:231244kB kernel_stack:3968kB pagetables:1556kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB ffff8801db607560lowmem_reserve[]: [ 1027.253258] 0 ffffffff814fc7c8 [ 1027.253261] 0 0000000041b58ab3 0 ffffffff82e37a10 ffffffff81427db0DMA32: Call Trace: [ 1027.253272] 3*4kB [ 1027.253279] (M) [] dump_stack+0xc1/0x128 [ 1027.253285] 0*8kB [] warn_alloc.cold.31+0x7f/0x9c [ 1027.253292] 0*16kB [] ? zone_watermark_ok_safe+0x250/0x250 [ 1027.253299] 0*32kB [] ? get_page_from_freelist+0x23e/0x1d80 [ 1027.253306] 0*64kB [] __alloc_pages_nodemask+0x628/0x1bd0 [ 1027.253312] 0*128kB [] ? mark_held_locks+0xc7/0x130 [ 1027.253319] 0*256kB [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1027.253387] 0*512kB [] ? __dev_queue_xmit+0x1d4/0x1b90 [ 1027.253395] 0*1024kB [] ? update_stack_state.constprop.2+0x7c/0x170 [ 1027.253400] 0*2048kB [] ? __unwind_start+0x14d/0x3b0 [ 1027.253406] 0*4096kB [] ? unwind_next_frame+0x7d/0xd0 [ 1027.253408] = 12kB [] new_slab+0x367/0x3d0 [ 1027.253419] Normal: [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 1027.253426] 7*4kB [] ? dst_alloc+0xb5/0x1a0 [ 1027.253431] (UM) [] ? kasan_kmalloc+0xaf/0xc0 [ 1027.253437] 9*8kB [] ? kasan_slab_alloc+0x12/0x20 [ 1027.253443] (H) [] ? __kmalloc_track_caller+0xf0/0x2d0 [ 1027.253450] 1*16kB [] ? __alloc_skb+0x11a/0x5b0 [ 1027.253456] (H) [] ? check_preemption_disabled+0x3b/0x200 [ 1027.253462] 0*32kB [] ? dst_alloc+0xb5/0x1a0 [ 1027.253469] 2*64kB [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 1027.253475] (H) [] ? dst_alloc+0xb5/0x1a0 [ 1027.253481] 3*128kB [] kmem_cache_alloc+0x212/0x2b0 [ 1027.253486] (H) [] ? do_syscall_64+0x19f/0x550 [ 1027.253493] 1*256kB [] dst_alloc+0xb5/0x1a0 [ 1027.253498] (H) [] __ip6_dst_alloc+0x31/0x130 [ 1027.253504] 0*512kB [] ip6_dst_alloc+0x2d/0x1e0 [ 1027.253510] 0*1024kB [] ? icmp6_dst_alloc+0xe5/0x610 [ 1027.253516] 0*2048kB [] icmp6_dst_alloc+0x150/0x610 [ 1027.253523] 0*4096kB [] ? ip6_blackhole_route+0x5e0/0x5e0 [ 1027.253524] = 884kB [] ndisc_send_skb+0xcec/0x12e0 ** 158 printk messages dropped ** [ 1027.254351] [] ? ipv6_get_lladdr+0x440/0x440 ** 196 printk messages dropped ** [ 1041.167890] lowmem_reserve[]: 0 0 0 [ 1041.167938] DMA32: 5*4kB (MH) 12*8kB (MEH) 13*16kB (UMEH) 19*32kB (UMEH) 10*64kB (UMEH) 9*128kB (UME) 14*256kB (UME) 12*512kB (UME) 4*1024kB (U) 1*2048kB (U) 0*4096kB = 18596kB ** 98 printk messages dropped ** [ 1041.221195] Normal: 231*4kB (UM) 109*8kB (MEH) 78*16kB (UME) 32*32kB (UMH) 11*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5412kB 109 total pagecache pages [ 1041.221200] 0 pages in swap cache [ 1041.221204] Swap cache stats: add 0, delete 0, find 0/0 [ 1041.221206] Free swap = 0kB [ 1041.221208] Total swap = 0kB [ 1041.221210] 1965979 pages RAM [ 1041.221213] 0 pages HighMem/MovableOnly [ 1041.221215] 313617 pages reserved [ 1041.276364] syz-execprog: page allocation stalls for 10010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1041.276373] CPU: 0 PID: 2210 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1041.276387] ffff8801ca3877c0 ffffffff81b42e79 1ffff10039470efa ffff8801cc242f80 [ 1041.276397] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca387908 [ 1041.276407] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1041.276409] Call Trace: [ 1041.276424] [] dump_stack+0xc1/0x128 [ 1041.276434] [] warn_alloc.cold.31+0x7f/0x9c [ 1041.276444] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1041.276452] [] ? shrink_node+0x740/0x740 [ 1041.276462] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1041.276470] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1041.276479] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1041.276487] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1041.276494] [] ? find_get_entry+0x11a/0x570 [ 1041.276502] [] ? find_get_entry+0x141/0x570 [ 1041.276508] [] ? page_cache_prev_hole+0x80/0x80 [ 1041.276517] [] ? autoremove_wake_function+0x40/0x40 [ 1041.276524] [] ? pagecache_get_page+0x131/0x710 [ 1041.276532] [] filemap_fault+0xaf1/0x1110 [ 1041.276540] [] ext4_filemap_fault+0x71/0xa0 [ 1041.276547] [] __do_fault+0x223/0x500 [ 1041.276554] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1041.276562] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1041.276569] [] handle_mm_fault+0x1326/0x2350 [ 1041.276577] [] ? vm_insert_page+0x6f0/0x6f0 [ 1041.276584] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1041.276597] [] __do_page_fault+0x403/0xa60 [ 1041.276605] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1041.276615] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1041.276622] [] do_page_fault+0x27/0x30 [ 1041.276629] [] page_fault+0x25/0x30 [ 1041.276633] Mem-Info: [ 1041.276650] active_anon:5499 inactive_anon:41 isolated_anon:0 [ 1041.276650] active_file:8 inactive_file:51 isolated_file:0 [ 1041.276650] unevictable:0 dirty:2 writeback:0 unstable:0 [ 1041.276650] slab_reclaimable:4074 slab_unreclaimable:57659 [ 1041.276650] mapped:21 shmem:48 pagetables:390 bounce:0 [ 1041.276650] free:6002 free_pcp:176 free_cma:0 [ 1041.276662] Node 0 active_anon:21996kB inactive_anon:164kB active_file:32kB inactive_file:204kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:8kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1041.276681] DMA32 free:18596kB min:4696kB low:7712kB high:10728kB active_anon:72kB inactive_anon:0kB active_file:8kB inactive_file:112kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:196kB kernel_stack:128kB pagetables:4kB bounce:0kB free_pcp:360kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1041.276707] Normal free:5412kB min:5580kB low:9168kB high:12756kB active_anon:21924kB inactive_anon:164kB active_file:24kB inactive_file:92kB unevictable:0kB writepending:8kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16280kB slab_unreclaimable:230440kB kernel_stack:3968kB pagetables:1556kB bounce:0kB free_pcp:344kB local_pcp:112kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1041.276762] DMA32: 5*4kB (MH) 12*8kB (MEH) 13*16kB (UMEH) 19*32kB (UMEH) 10*64kB (UMEH) 9*128kB (UME) 14*256kB (UME) 12*512kB (UME) 4*1024kB (U) 1*2048kB (U) 0*4096kB = 18596kB Normal: 231*4kB (UM) 109*8kB (MEH) 78*16kB (UME) 32*32kB (UMH) 11*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5412kB 109 total pagecache pages [ 1041.276808] 0 pages in swap cache [ 1041.276812] Swap cache stats: add 0, delete 0, find 0/0 [ 1041.276814] Free swap = 0kB [ 1041.276816] Total swap = 0kB [ 1041.276819] 1965979 pages RAM [ 1041.276821] 0 pages HighMem/MovableOnly [ 1041.276823] 313617 pages reserved [ 1041.321632] init: page allocation stalls for 10030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1041.321640] CPU: 1 PID: 1 Comm: init Not tainted 4.9.141+ #1 [ 1041.321655] ffff8801da607450 ffffffff81b42e79 1ffff1003b4c0e8c ffff8801da5f8000 [ 1041.321665] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607598 [ 1041.321675] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1041.321677] Call Trace: [ 1041.321692] [] dump_stack+0xc1/0x128 [ 1041.321702] [] warn_alloc.cold.31+0x7f/0x9c [ 1041.321711] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1041.321720] [] ? shrink_node+0x740/0x740 [ 1041.321729] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1041.321737] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1041.321746] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1041.321754] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1041.321762] [] ? find_get_entry+0x11a/0x570 [ 1041.321769] [] ? find_get_entry+0x141/0x570 [ 1041.321776] [] ? page_cache_prev_hole+0x80/0x80 [ 1041.321784] [] ? pagecache_get_page+0x131/0x710 [ 1041.321792] [] filemap_fault+0xaf1/0x1110 [ 1041.321800] [] ext4_filemap_fault+0x71/0xa0 [ 1041.321807] [] __do_fault+0x223/0x500 [ 1041.321814] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1041.321822] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1041.321829] [] handle_mm_fault+0x1326/0x2350 [ 1041.321836] [] ? vm_insert_page+0x6f0/0x6f0 [ 1041.321843] [] ? kasan_kmalloc.part.1+0xc9/0xf0 [ 1041.321853] [] __do_page_fault+0x403/0xa60 [ 1041.321860] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1041.321869] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1041.321876] [] do_page_fault+0x27/0x30 [ 1041.321884] [] page_fault+0x25/0x30 [ 1041.321890] [] ? 0xffffffff810002b8 [ 1041.321898] [] ? strncpy_from_user+0xa5/0x2e0 [ 1041.321905] [] ? strncpy_from_user+0xa7/0x2e0 [ 1041.321913] [] ? kmem_cache_alloc+0x246/0x2b0 [ 1041.321921] [] getname_flags+0x10b/0x550 [ 1041.321928] [] ? handle_mm_fault+0x54b/0x2350 [ 1041.321936] [] user_path_at_empty+0x2f/0x70 [ 1041.321943] [] vfs_fstatat+0xc6/0x170 [ 1041.321950] [] ? vfs_fstat+0x80/0x80 [ 1041.321958] [] SyS_newstat+0x86/0xf0 [ 1041.321966] [] ? SyS_fstat+0xf0/0xf0 [ 1041.321974] [] ? up_read+0x1a/0x40 [ 1041.321981] [] ? __do_page_fault+0x554/0xa60 [ 1041.321988] [] ? do_syscall_64+0x48/0x550 [ 1041.321995] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 1041.322002] [] ? SyS_fstat+0xf0/0xf0 [ 1041.322009] [] do_syscall_64+0x19f/0x550 [ 1041.322017] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 1041.322020] Mem-Info: [ 1041.322037] active_anon:5499 inactive_anon:41 isolated_anon:0 [ 1041.322037] active_file:8 inactive_file:51 isolated_file:0 [ 1041.322037] unevictable:0 dirty:2 writeback:0 unstable:0 [ 1041.322037] slab_reclaimable:4074 slab_unreclaimable:57659 [ 1041.322037] mapped:21 shmem:48 pagetables:390 bounce:0 [ 1041.322037] free:6002 free_pcp:176 free_cma:0 [ 1041.322050] Node 0 active_anon:21996kB inactive_anon:164kB active_file:32kB inactive_file:204kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:8kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1041.322068] DMA32 free:18596kB min:4696kB low:7712kB high:10728kB active_anon:72kB inactive_anon:0kB active_file:8kB inactive_file:112kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:196kB kernel_stack:128kB pagetables:4kB bounce:0kB free_pcp:360kB local_pcp:240kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1041.322100] Normal free:5412kB min:5580kB low:9168kB high:12756kB active_anon:21924kB inactive_anon:164kB active_file:24kB inactive_file:92kB unevictable:0kB writepending:8kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16280kB slab_unreclaimable:230440kB kernel_stack:3968kB pagetables:1556kB bounce:0kB free_pcp:344kB local_pcp:232kB free_cma:0kB ** 439 printk messages dropped ** [ 1051.258004] 109 total pagecache pages [ 1051.258007] 0 pages in swap cache [ 1051.258011] Swap cache stats: add 0, delete 0, find 0/0 [ 1051.258013] Free swap = 0kB [ 1051.258015] Total swap = 0kB [ 1051.258018] 1965979 pages RAM [ 1051.258020] 0 pages HighMem/MovableOnly [ 1051.258022] 313617 pages reserved [ 1051.300200] init: page allocation stalls for 20010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1051.300207] CPU: 1 PID: 1 Comm: init Not tainted 4.9.141+ #1 [ 1051.300221] ffff8801da607450 ffffffff81b42e79 1ffff1003b4c0e8c ffff8801da5f8000 [ 1051.300232] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607598 [ 1051.300241] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1051.300243] Call Trace: [ 1051.300257] [] dump_stack+0xc1/0x128 [ 1051.300267] [] warn_alloc.cold.31+0x7f/0x9c [ 1051.300276] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1051.300285] [] ? shrink_node+0x740/0x740 [ 1051.300294] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1051.300302] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1051.300311] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1051.300320] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1051.300327] [] ? find_get_entry+0x11a/0x570 [ 1051.300335] [] ? find_get_entry+0x141/0x570 [ 1051.300342] [] ? page_cache_prev_hole+0x80/0x80 [ 1051.300349] [] ? pagecache_get_page+0x131/0x710 [ 1051.300357] [] filemap_fault+0xaf1/0x1110 [ 1051.300365] [] ext4_filemap_fault+0x71/0xa0 [ 1051.300372] [] __do_fault+0x223/0x500 [ 1051.300384] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1051.300392] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1051.300399] [] handle_mm_fault+0x1326/0x2350 [ 1051.300407] [] ? vm_insert_page+0x6f0/0x6f0 [ 1051.300414] [] ? kasan_kmalloc.part.1+0xc9/0xf0 [ 1051.300423] [] __do_page_fault+0x403/0xa60 [ 1051.300431] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1051.300440] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1051.300447] [] do_page_fault+0x27/0x30 [ 1051.300455] [] page_fault+0x25/0x30 [ 1051.300461] [] ? 0xffffffff810002b8 [ 1051.300470] [] ? strncpy_from_user+0xa5/0x2e0 [ 1051.300477] [] ? strncpy_from_user+0xa7/0x2e0 [ 1051.300486] [] ? kmem_cache_alloc+0x246/0x2b0 [ 1051.300494] [] getname_flags+0x10b/0x550 [ 1051.300501] [] ? handle_mm_fault+0x54b/0x2350 [ 1051.300508] [] user_path_at_empty+0x2f/0x70 [ 1051.300517] [] vfs_fstatat+0xc6/0x170 [ 1051.300524] [] ? vfs_fstat+0x80/0x80 [ 1051.300532] [] SyS_newstat+0x86/0xf0 [ 1051.300539] [] ? SyS_fstat+0xf0/0xf0 [ 1051.300547] [] ? up_read+0x1a/0x40 [ 1051.300554] [] ? __do_page_fault+0x554/0xa60 [ 1051.300561] [] ? do_syscall_64+0x48/0x550 [ 1051.300568] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 1051.300575] [] ? SyS_fstat+0xf0/0xf0 [ 1051.300582] [] do_syscall_64+0x19f/0x550 [ 1051.300590] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 1051.300594] Mem-Info: [ 1051.300610] active_anon:5499 inactive_anon:41 isolated_anon:0 [ 1051.300610] active_file:8 inactive_file:51 isolated_file:0 [ 1051.300610] unevictable:0 dirty:2 writeback:0 unstable:0 [ 1051.300610] slab_reclaimable:4074 slab_unreclaimable:57659 [ 1051.300610] mapped:21 shmem:48 pagetables:390 bounce:0 [ 1051.300610] free:6002 free_pcp:176 free_cma:0 [ 1051.300623] Node 0 active_anon:21996kB inactive_anon:164kB active_file:32kB inactive_file:204kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:8kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1051.300641] DMA32 free:18596kB min:4696kB low:7712kB high:10728kB active_anon:72kB inactive_anon:0kB active_file:8kB inactive_file:112kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:196kB kernel_stack:128kB pagetables:4kB bounce:0kB free_pcp:360kB local_pcp:240kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1051.300668] Normal free:5412kB min:5580kB low:9168kB high:12756kB active_anon:21924kB inactive_anon:164kB active_file:24kB inactive_file:92kB unevictable:0kB writepending:8kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16280kB slab_unreclaimable:230440kB kernel_stack:3968kB pagetables:1556kB bounce:0kB free_pcp:344kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1051.300724] DMA32: 5*4kB (MH) 12*8kB (MEH) 13*16kB (UMEH) 19*32kB (UMEH) 10*64kB (UMEH) 9*128kB (UME) 14*256kB (UME) 12*512kB (UME) 4*1024kB (U) 1*2048kB (U) 0*4096kB = 18596kB Normal: 231*4kB (UM) 109*8kB (MEH) 78*16kB (UME) 32*32kB (UMH) 11*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5412kB 109 total pagecache pages [ 1051.300770] 0 pages in swap cache [ 1051.300774] Swap cache stats: add 0, delete 0, find 0/0 [ 1051.300776] Free swap = 0kB [ 1051.300778] Total swap = 0kB [ 1051.300781] 1965979 pages RAM [ 1051.300783] 0 pages HighMem/MovableOnly [ 1051.300785] 313617 pages reserved [ 1051.310211] syz-execprog: page allocation stalls for 20040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1051.310218] CPU: 0 PID: 2210 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1051.310231] ffff8801ca3877c0 ffffffff81b42e79 1ffff10039470efa ffff8801cc242f80 [ 1051.310241] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca387908 [ 1051.310251] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1051.310253] Call Trace: [ 1051.310264] [] dump_stack+0xc1/0x128 [ 1051.310272] [] warn_alloc.cold.31+0x7f/0x9c [ 1051.310281] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1051.310289] [] ? shrink_node+0x740/0x740 [ 1051.310298] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1051.310306] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1051.310315] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1051.310323] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1051.310331] [] ? find_get_entry+0x11a/0x570 [ 1051.310338] [] ? find_get_entry+0x141/0x570 [ 1051.310345] [] ? page_cache_prev_hole+0x80/0x80 [ 1051.310353] [] ? autoremove_wake_function+0x40/0x40 [ 1051.310360] [] ? pagecache_get_page+0x131/0x710 [ 1051.310368] [] filemap_fault+0xaf1/0x1110 [ 1051.310376] [] ext4_filemap_fault+0x71/0xa0 [ 1051.310383] [] __do_fault+0x223/0x500 [ 1051.310389] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1051.310397] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1051.310404] [] handle_mm_fault+0x1326/0x2350 [ 1051.310411] [] ? vm_insert_page+0x6f0/0x6f0 [ 1051.310419] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1051.310427] [] __do_page_fault+0x403/0xa60 [ 1051.310434] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1051.310443] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1051.310450] [] do_page_fault+0x27/0x30 [ 1051.310458] [] page_fault+0x25/0x30 [ 1051.310461] Mem-Info: [ 1051.310476] active_anon:5499 inactive_anon:41 isolated_anon:0 [ 1051.310476] active_file:8 inactive_file:51 isolated_file:0 [ 1051.310476] unevictable:0 dirty:2 writeback:0 unstable:0 [ 1051.310476] slab_reclaimable:4074 slab_unreclaimable:57659 [ 1051.310476] mapped:21 shmem:48 pagetables:390 bounce:0 [ 1051.310476] free:6002 free_pcp:176 free_cma:0 [ 1051.310489] Node 0 active_anon:21996kB inactive_anon:164kB active_file:32kB inactive_file:204kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:8kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1051.310507] DMA32 free:18596kB min:4696kB low:7712kB high:10728kB active_anon:72kB inactive_anon:0kB active_file:8kB inactive_file:112kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:196kB kernel_stack:128kB pagetables:4kB bounce:0kB free_pcp:360kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 ** 3 printk messages dropped ** [ 1051.310629] Normal: 231*4kB (UM) 109*8kB (MEH) 78*16kB (UME) 32*32kB (UMH) 11*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5412kB ** 442 printk messages dropped ** [ 1061.224361] 109 total pagecache pages ** 16 printk messages dropped ** [ 1061.324196] [] ? shrink_node+0x740/0x740 [ 1061.324205] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1061.324214] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1061.324223] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1061.324231] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1061.324238] [] ? find_get_entry+0x11a/0x570 [ 1061.324246] [] ? find_get_entry+0x141/0x570 [ 1061.324253] [] ? page_cache_prev_hole+0x80/0x80 [ 1061.324261] [] ? autoremove_wake_function+0x40/0x40 [ 1061.324268] [] ? pagecache_get_page+0x131/0x710 [ 1061.324275] [] filemap_fault+0xaf1/0x1110 [ 1061.324284] [] ext4_filemap_fault+0x71/0xa0 [ 1061.324291] [] __do_fault+0x223/0x500 [ 1061.324297] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1061.324306] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1061.324313] [] handle_mm_fault+0x1326/0x2350 [ 1061.324320] [] ? vm_insert_page+0x6f0/0x6f0 [ 1061.324327] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1061.324336] [] __do_page_fault+0x403/0xa60 [ 1061.324344] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1061.324354] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1061.324361] [] do_page_fault+0x27/0x30 [ 1061.324369] [] page_fault+0x25/0x30 [ 1061.324373] Mem-Info: [ 1061.324389] active_anon:5499 inactive_anon:41 isolated_anon:0 [ 1061.324389] active_file:8 inactive_file:51 isolated_file:0 [ 1061.324389] unevictable:0 dirty:2 writeback:0 unstable:0 [ 1061.324389] slab_reclaimable:4074 slab_unreclaimable:57661 [ 1061.324389] mapped:21 shmem:48 pagetables:390 bounce:0 [ 1061.324389] free:6002 free_pcp:174 free_cma:0 [ 1061.324402] Node 0 active_anon:21996kB inactive_anon:164kB active_file:32kB inactive_file:204kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:8kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1061.324420] DMA32 free:18596kB min:4696kB low:7712kB high:10728kB active_anon:72kB inactive_anon:0kB active_file:8kB inactive_file:112kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:196kB kernel_stack:128kB pagetables:4kB bounce:0kB free_pcp:360kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1061.324446] Normal free:5412kB min:5580kB low:9168kB high:12756kB active_anon:21924kB inactive_anon:164kB active_file:24kB inactive_file:92kB unevictable:0kB writepending:8kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16280kB slab_unreclaimable:230448kB kernel_stack:3968kB pagetables:1556kB bounce:0kB free_pcp:336kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1061.324500] DMA32: 5*4kB (MH) 12*8kB (MEH) 13*16kB (UMEH) 19*32kB (UMEH) 10*64kB (UMEH) 9*128kB (UME) 14*256kB (UME) 12*512kB (UME) 4*1024kB (U) 1*2048kB (U) 0*4096kB = 18596kB Normal: 231*4kB (UM) 109*8kB (MEH) 78*16kB (UME) 32*32kB (UMH) 11*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5412kB 109 total pagecache pages [ 1061.324546] 0 pages in swap cache [ 1061.324550] Swap cache stats: add 0, delete 0, find 0/0 [ 1061.324552] Free swap = 0kB [ 1061.324554] Total swap = 0kB [ 1061.324556] 1965979 pages RAM [ 1061.324558] 0 pages HighMem/MovableOnly [ 1061.324560] 313617 pages reserved [ 1061.331642] init: page allocation stalls for 30040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1061.331649] CPU: 1 PID: 1 Comm: init Not tainted 4.9.141+ #1 [ 1061.331667] ffff8801da607450 ffffffff81b42e79 1ffff1003b4c0e8c ffff8801da5f8000 [ 1061.331677] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607598 [ 1061.331687] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1061.331688] Call Trace: [ 1061.331698] [] dump_stack+0xc1/0x128 [ 1061.331705] [] warn_alloc.cold.31+0x7f/0x9c [ 1061.331713] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1061.331721] [] ? shrink_node+0x740/0x740 [ 1061.331730] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1061.331737] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1061.331746] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1061.331754] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1061.331762] [] ? find_get_entry+0x11a/0x570 [ 1061.331769] [] ? find_get_entry+0x141/0x570 [ 1061.331776] [] ? page_cache_prev_hole+0x80/0x80 [ 1061.331784] [] ? pagecache_get_page+0x131/0x710 [ 1061.331791] [] filemap_fault+0xaf1/0x1110 [ 1061.331799] [] ext4_filemap_fault+0x71/0xa0 [ 1061.331805] [] __do_fault+0x223/0x500 [ 1061.331812] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1061.331820] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1061.331827] [] handle_mm_fault+0x1326/0x2350 [ 1061.331834] [] ? vm_insert_page+0x6f0/0x6f0 [ 1061.331841] [] ? kasan_kmalloc.part.1+0xc9/0xf0 [ 1061.331849] [] __do_page_fault+0x403/0xa60 [ 1061.331857] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1061.331866] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1061.331873] [] do_page_fault+0x27/0x30 [ 1061.331880] [] page_fault+0x25/0x30 [ 1061.331886] [] ? 0xffffffff810002b8 [ 1061.331894] [] ? strncpy_from_user+0xa5/0x2e0 [ 1061.331901] [] ? strncpy_from_user+0xa7/0x2e0 [ 1061.331909] [] ? kmem_cache_alloc+0x246/0x2b0 [ 1061.331917] [] getname_flags+0x10b/0x550 [ 1061.331924] [] ? handle_mm_fault+0x54b/0x2350 [ 1061.331931] [] user_path_at_empty+0x2f/0x70 [ 1061.331939] [] vfs_fstatat+0xc6/0x170 [ 1061.331946] [] ? vfs_fstat+0x80/0x80 [ 1061.331954] [] SyS_newstat+0x86/0xf0 [ 1061.331961] [] ? SyS_fstat+0xf0/0xf0 [ 1061.331969] [] ? up_read+0x1a/0x40 [ 1061.331976] [] ? __do_page_fault+0x554/0xa60 [ 1061.331982] [] ? do_syscall_64+0x48/0x550 [ 1061.331989] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 1061.331997] [] ? SyS_fstat+0xf0/0xf0 [ 1061.332003] [] do_syscall_64+0x19f/0x550 [ 1061.332012] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 1061.332015] Mem-Info: [ 1061.332030] active_anon:5499 inactive_anon:41 isolated_anon:0 [ 1061.332030] active_file:8 inactive_file:51 isolated_file:0 [ 1061.332030] unevictable:0 dirty:2 writeback:0 unstable:0 [ 1061.332030] slab_reclaimable:4074 slab_unreclaimable:57661 [ 1061.332030] mapped:21 shmem:48 pagetables:390 bounce:0 [ 1061.332030] free:6002 free_pcp:174 free_cma:0 [ 1061.332043] Node 0 active_anon:21996kB inactive_anon:164kB active_file:32kB inactive_file:204kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:8kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1061.332061] DMA32 free:18596kB min:4696kB low:7712kB high:10728kB active_anon:72kB inactive_anon:0kB active_file:8kB inactive_file:112kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:196kB kernel_stack:128kB pagetables:4kB bounce:0kB free_pcp:360kB local_pcp:240kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1061.332087] Normal free:5412kB min:5580kB low:9168kB high:12756kB active_anon:21924kB inactive_anon:164kB active_file:24kB inactive_file:92kB unevictable:0kB writepending:8kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16280kB slab_unreclaimable:230448kB kernel_stack:3968kB pagetables:1556kB bounce:0kB free_pcp:336kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1061.332141] DMA32: 5*4kB (MH) 12*8kB (MEH) 13*16kB (UMEH) 19*32kB (UMEH) 10*64kB (UMEH) 9*128kB (UME) 14*256kB (UME) 12*512kB (UME) 4*1024kB (U) 1*2048kB (U) 0*4096kB = 18596kB Normal: 231*4kB (UM) 109*8kB (MEH) 78*16kB (UME) 32*32kB (UMH) 11*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5412kB 109 total pagecache pages [ 1061.332187] 0 pages in swap cache [ 1061.332190] Swap cache stats: add 0, delete 0, find 0/0 [ 1061.332192] Free swap = 0kB [ 1061.332195] Total swap = 0kB [ 1061.332197] 1965979 pages RAM ** 38 printk messages dropped ** [ 1061.337306] lowmem_reserve[]: 0 3505 3505 ** 115 printk messages dropped ** [ 1061.406766] [] ? bad_area_access_error+0x3a0/0x3a0 ** 252 printk messages dropped ** [ 1071.214694] [] filemap_fault+0xaf1/0x1110 ** 50 printk messages dropped ** [ 1071.316517] [] filemap_fault+0xaf1/0x1110 [ 1071.316525] [] ext4_filemap_fault+0x71/0xa0 [ 1071.316532] [] __do_fault+0x223/0x500 [ 1071.316539] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1071.316547] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1071.316554] [] handle_mm_fault+0x1326/0x2350 [ 1071.316561] [] ? vm_insert_page+0x6f0/0x6f0 [ 1071.316568] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1071.316578] [] __do_page_fault+0x403/0xa60 [ 1071.316585] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1071.316595] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1071.316602] [] do_page_fault+0x27/0x30 [ 1071.316610] [] page_fault+0x25/0x30 [ 1071.316613] Mem-Info: [ 1071.316629] active_anon:5499 inactive_anon:41 isolated_anon:0 [ 1071.316629] active_file:8 inactive_file:51 isolated_file:0 [ 1071.316629] unevictable:0 dirty:2 writeback:0 unstable:0 [ 1071.316629] slab_reclaimable:4074 slab_unreclaimable:57661 [ 1071.316629] mapped:21 shmem:48 pagetables:390 bounce:0 [ 1071.316629] free:6002 free_pcp:174 free_cma:0 [ 1071.316642] Node 0 active_anon:21996kB inactive_anon:164kB active_file:32kB inactive_file:204kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:8kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1071.316660] DMA32 free:18596kB min:4696kB low:7712kB high:10728kB active_anon:72kB inactive_anon:0kB active_file:8kB inactive_file:112kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:196kB kernel_stack:128kB pagetables:4kB bounce:0kB free_pcp:360kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1071.316687] Normal free:5412kB min:5580kB low:9168kB high:12756kB active_anon:21924kB inactive_anon:164kB active_file:24kB inactive_file:92kB unevictable:0kB writepending:8kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16280kB slab_unreclaimable:230448kB kernel_stack:3968kB pagetables:1556kB bounce:0kB free_pcp:336kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1071.316742] DMA32: 5*4kB (MH) 12*8kB (MEH) 13*16kB (UMEH) 19*32kB (UMEH) 10*64kB (UMEH) 9*128kB (UME) 14*256kB (UME) 12*512kB (UME) 4*1024kB (U) 1*2048kB (U) 0*4096kB = 18596kB Normal: 231*4kB (UM) 109*8kB (MEH) 78*16kB (UME) 32*32kB (UMH) 11*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5412kB 109 total pagecache pages [ 1071.316789] 0 pages in swap cache [ 1071.316793] Swap cache stats: add 0, delete 0, find 0/0 [ 1071.316795] Free swap = 0kB [ 1071.316797] Total swap = 0kB [ 1071.316799] 1965979 pages RAM [ 1071.316801] 0 pages HighMem/MovableOnly [ 1071.316803] 313617 pages reserved [ 1071.360038] kworker/u4:6: page allocation stalls for 40020ms, order:0, mode:0x2420848(GFP_NOFS|__GFP_NOFAIL|__GFP_HARDWALL|__GFP_MOVABLE) [ 1071.360046] CPU: 1 PID: 2288 Comm: kworker/u4:6 Not tainted 4.9.141+ #1 [ 1071.360061] Workqueue: writeback wb_workfn (flush-8:0) [ 1071.360073] ffff8801c8587180 ffffffff81b42e79 1ffff100390b0e32 ffff8801c9ce2f80 [ 1071.360083] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c85872c8 [ 1071.360093] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1071.360094] Call Trace: [ 1071.360107] [] dump_stack+0xc1/0x128 [ 1071.360116] [] warn_alloc.cold.31+0x7f/0x9c [ 1071.360125] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1071.360134] [] ? shrink_node+0x740/0x740 [ 1071.360143] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1071.360152] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1071.360159] [] ? find_get_entry+0x11a/0x570 [ 1071.360167] [] ? __radix_tree_lookup+0x18c/0x230 [ 1071.360176] [] ? check_preemption_disabled+0x3b/0x200 [ 1071.360183] [] ? find_get_entry+0x11a/0x570 [ 1071.360192] [] ? __find_get_block_slow+0x263/0x330 [ 1071.360200] [] pagecache_get_page+0x244/0x710 [ 1071.360207] [] ? __find_get_block+0x21a/0x4d0 [ 1071.360215] [] __getblk_gfp+0x240/0x700 [ 1071.360224] [] __breadahead+0x79/0xf0 [ 1071.360231] [] ? write_boundary_block+0x120/0x120 [ 1071.360242] [] ? __might_sleep+0x95/0x1a0 [ 1071.360252] [] __ext4_get_inode_loc+0x961/0xef0 [ 1071.360259] [] ? trace_hardirqs_on+0x10/0x10 [ 1071.360266] [] ext4_write_inode+0x204/0x3b0 [ 1071.360273] [] ? ext4_iget_normal+0xd0/0xd0 [ 1071.360282] [] __writeback_single_inode+0x4c4/0x1020 [ 1071.360290] [] ? writeback_sb_inodes+0x39b/0xe70 [ 1071.360298] [] writeback_sb_inodes+0x4ac/0xe70 [ 1071.360307] [] ? __writeback_single_inode+0x1020/0x1020 [ 1071.360315] [] ? down_read_trylock+0x6a/0xd0 [ 1071.360323] [] ? trylock_super+0x20/0xf0 [ 1071.360332] [] __writeback_inodes_wb+0xfb/0x1e0 [ 1071.360340] [] wb_writeback+0x512/0xbd0 [ 1071.360348] [] ? __writeback_inodes_wb+0x1e0/0x1e0 [ 1071.360355] [] ? mark_held_locks+0xc7/0x130 [ 1071.360363] [] ? check_preemption_disabled+0x3b/0x200 [ 1071.360370] [] wb_workfn+0x20e/0xe90 [ 1071.360377] [] ? debug_object_deactivate+0x214/0x340 [ 1071.360385] [] ? inode_wait_for_writeback+0x40/0x40 [ 1071.360392] [] ? check_preemption_disabled+0x3b/0x200 [ 1071.360400] [] process_one_work+0x831/0x15f0 [ 1071.360407] [] ? process_one_work+0x774/0x15f0 [ 1071.360414] [] ? cancel_delayed_work_sync+0x20/0x20 [ 1071.360421] [] worker_thread+0xd6/0x1140 [ 1071.360430] [] ? ___preempt_schedule+0x16/0x18 [ 1071.360438] [] kthread+0x26d/0x300 [ 1071.360444] [] ? process_one_work+0x15f0/0x15f0 [ 1071.360452] [] ? kthread_park+0xa0/0xa0 [ 1071.360461] [] ? __switch_to_asm+0x34/0x70 [ 1071.360468] [] ? kthread_park+0xa0/0xa0 [ 1071.360475] [] ? kthread_park+0xa0/0xa0 [ 1071.360482] [] ret_from_fork+0x5c/0x70 [ 1071.360485] Mem-Info: [ 1071.360501] active_anon:5499 inactive_anon:41 isolated_anon:0 [ 1071.360501] active_file:8 inactive_file:51 isolated_file:0 [ 1071.360501] unevictable:0 dirty:2 writeback:0 unstable:0 [ 1071.360501] slab_reclaimable:4074 slab_unreclaimable:57661 [ 1071.360501] mapped:21 shmem:48 pagetables:390 bounce:0 [ 1071.360501] free:6002 free_pcp:174 free_cma:0 [ 1071.360514] Node 0 active_anon:21996kB inactive_anon:164kB active_file:32kB inactive_file:204kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:8kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1071.360532] DMA32 free:18596kB min:4696kB low:7712kB high:10728kB active_anon:72kB inactive_anon:0kB active_file:8kB inactive_file:112kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:196kB kernel_stack:128kB pagetables:4kB bounce:0kB free_pcp:360kB local_pcp:240kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1071.360558] Normal free:5412kB min:5580kB low:9168kB high:12756kB active_anon:21924kB inactive_anon:164kB active_file:24kB inactive_file:92kB unevictable:0kB writepending:8kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16280kB slab_unreclaimable:230448kB kernel_stack:3968kB pagetables:1556kB bounce:0kB free_pcp:336kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1071.360615] DMA32: 5*4kB (MH) 12*8kB (MEH) 13*16kB (UMEH) 19*32kB (UMEH) 10*64kB (UMEH) 9*128kB (UME) 14*256kB (UME) 12*512kB (UME) 4*1024kB (U) 1*2048kB (U) 0*4096kB = 18596kB Normal: 231*4kB (UM) 109*8kB (MEH) 78*16kB (UME) 32*32kB (UMH) 11*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5412kB 109 total pagecache pages [ 1071.360662] 0 pages in swap cache [ 1071.360666] Swap cache stats: add 0, delete 0, find 0/0 [ 1071.360668] Free swap = 0kB [ 1071.360671] Total swap = 0kB [ 1071.360673] 1965979 pages RAM [ 1071.360675] 0 pages HighMem/MovableOnly ** 153 printk messages dropped ** [ 1071.416825] Node 0 active_anon:21996kB inactive_anon:164kB active_file:32kB inactive_file:204kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:8kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes ** 352 printk messages dropped ** [ 1081.299426] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 ** 3 printk messages dropped ** [ 1081.299460] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1081.299468] [] ? shrink_node+0x740/0x740 [ 1081.299477] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1081.299485] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1081.299494] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1081.299502] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1081.299509] [] ? find_get_entry+0x11a/0x570 [ 1081.299516] [] ? find_get_entry+0x141/0x570 [ 1081.299523] [] ? page_cache_prev_hole+0x80/0x80 [ 1081.299531] [] ? pagecache_get_page+0x131/0x710 [ 1081.299538] [] filemap_fault+0xaf1/0x1110 [ 1081.299546] [] ext4_filemap_fault+0x71/0xa0 [ 1081.299553] [] __do_fault+0x223/0x500 [ 1081.299560] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1081.299568] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1081.299575] [] handle_mm_fault+0x1326/0x2350 [ 1081.299582] [] ? vm_insert_page+0x6f0/0x6f0 [ 1081.299589] [] ? kasan_kmalloc.part.1+0xc9/0xf0 [ 1081.299599] [] __do_page_fault+0x403/0xa60 [ 1081.299606] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1081.299615] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1081.299622] [] do_page_fault+0x27/0x30 [ 1081.299630] [] page_fault+0x25/0x30 [ 1081.299635] [] ? 0xffffffff810002b8 [ 1081.299643] [] ? strncpy_from_user+0xa5/0x2e0 [ 1081.299650] [] ? strncpy_from_user+0xa7/0x2e0 [ 1081.299658] [] ? kmem_cache_alloc+0x246/0x2b0 [ 1081.299666] [] getname_flags+0x10b/0x550 [ 1081.299673] [] ? handle_mm_fault+0x54b/0x2350 [ 1081.299680] [] user_path_at_empty+0x2f/0x70 [ 1081.299688] [] vfs_fstatat+0xc6/0x170 [ 1081.299695] [] ? vfs_fstat+0x80/0x80 [ 1081.299703] [] SyS_newstat+0x86/0xf0 [ 1081.299710] [] ? SyS_fstat+0xf0/0xf0 [ 1081.299718] [] ? up_read+0x1a/0x40 [ 1081.299730] [] ? __do_page_fault+0x554/0xa60 [ 1081.299737] [] ? do_syscall_64+0x48/0x550 [ 1081.299745] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 1081.299752] [] ? SyS_fstat+0xf0/0xf0 [ 1081.299758] [] do_syscall_64+0x19f/0x550 [ 1081.299766] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 1081.299770] Mem-Info: [ 1081.299786] active_anon:5499 inactive_anon:41 isolated_anon:0 [ 1081.299786] active_file:8 inactive_file:51 isolated_file:0 [ 1081.299786] unevictable:0 dirty:2 writeback:0 unstable:0 [ 1081.299786] slab_reclaimable:4074 slab_unreclaimable:57664 [ 1081.299786] mapped:21 shmem:48 pagetables:390 bounce:0 [ 1081.299786] free:6000 free_pcp:173 free_cma:0 [ 1081.299799] Node 0 active_anon:21996kB inactive_anon:164kB active_file:32kB inactive_file:204kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:8kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1081.299818] DMA32 free:18596kB min:4696kB low:7712kB high:10728kB active_anon:72kB inactive_anon:0kB active_file:8kB inactive_file:112kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:196kB kernel_stack:128kB pagetables:4kB bounce:0kB free_pcp:360kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1081.299844] Normal free:5404kB min:5580kB low:9168kB high:12756kB active_anon:21924kB inactive_anon:164kB active_file:24kB inactive_file:92kB unevictable:0kB writepending:8kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16280kB slab_unreclaimable:230460kB kernel_stack:3968kB pagetables:1556kB bounce:0kB free_pcp:332kB local_pcp:104kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1081.299900] DMA32: 5*4kB (MH) 12*8kB (MEH) 13*16kB (UMEH) 19*32kB (UMEH) 10*64kB (UMEH) 9*128kB (UME) 14*256kB (UME) 12*512kB (UME) 4*1024kB (U) 1*2048kB (U) 0*4096kB = 18596kB Normal: 231*4kB (UM) 108*8kB (MEH) 78*16kB (UME) 32*32kB (UMH) 11*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5404kB 109 total pagecache pages [ 1081.299947] 0 pages in swap cache [ 1081.299951] Swap cache stats: add 0, delete 0, find 0/0 [ 1081.299953] Free swap = 0kB [ 1081.299955] Total swap = 0kB [ 1081.299957] 1965979 pages RAM [ 1081.299960] 0 pages HighMem/MovableOnly [ 1081.299962] 313617 pages reserved [ 1081.321740] syz-execprog: page allocation stalls for 50050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1081.321747] CPU: 1 PID: 2210 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1081.321762] ffff8801ca3877c0 ffffffff81b42e79 1ffff10039470efa ffff8801cc242f80 [ 1081.321772] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca387908 [ 1081.321782] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1081.321783] Call Trace: [ 1081.321796] [] dump_stack+0xc1/0x128 [ 1081.321805] [] warn_alloc.cold.31+0x7f/0x9c [ 1081.321814] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1081.321822] [] ? shrink_node+0x740/0x740 [ 1081.321831] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1081.321839] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1081.321848] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1081.321856] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1081.321863] [] ? find_get_entry+0x11a/0x570 [ 1081.321870] [] ? find_get_entry+0x141/0x570 [ 1081.321877] [] ? page_cache_prev_hole+0x80/0x80 [ 1081.321885] [] ? autoremove_wake_function+0x40/0x40 [ 1081.321893] [] ? pagecache_get_page+0x131/0x710 [ 1081.321900] [] filemap_fault+0xaf1/0x1110 [ 1081.321909] [] ext4_filemap_fault+0x71/0xa0 [ 1081.321916] [] __do_fault+0x223/0x500 [ 1081.321923] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1081.321931] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1081.321938] [] handle_mm_fault+0x1326/0x2350 [ 1081.321945] [] ? vm_insert_page+0x6f0/0x6f0 [ 1081.321952] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1081.321960] [] __do_page_fault+0x403/0xa60 [ 1081.321968] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1081.321977] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1081.321984] [] do_page_fault+0x27/0x30 [ 1081.321992] [] page_fault+0x25/0x30 [ 1081.321995] Mem-Info: [ 1081.322011] active_anon:5499 inactive_anon:41 isolated_anon:0 [ 1081.322011] active_file:8 inactive_file:51 isolated_file:0 [ 1081.322011] unevictable:0 dirty:2 writeback:0 unstable:0 [ 1081.322011] slab_reclaimable:4074 slab_unreclaimable:57664 [ 1081.322011] mapped:21 shmem:48 pagetables:390 bounce:0 [ 1081.322011] free:6000 free_pcp:173 free_cma:0 [ 1081.322024] Node 0 active_anon:21996kB inactive_anon:164kB active_file:32kB inactive_file:204kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:8kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1081.322042] DMA32 free:18596kB min:4696kB low:7712kB high:10728kB active_anon:72kB inactive_anon:0kB active_file:8kB inactive_file:112kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:196kB kernel_stack:128kB pagetables:4kB bounce:0kB free_pcp:360kB local_pcp:240kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1081.322068] Normal free:5404kB min:5580kB low:9168kB high:12756kB active_anon:21924kB inactive_anon:164kB active_file:24kB inactive_file:92kB unevictable:0kB writepending:8kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16280kB slab_unreclaimable:230460kB kernel_stack:3968kB pagetables:1556kB bounce:0kB free_pcp:332kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1081.322123] DMA32: 5*4kB (MH) 12*8kB (MEH) 13*16kB (UMEH) 19*32kB (UMEH) 10*64kB (UMEH) 9*128kB (UME) 14*256kB (UME) 12*512kB (UME) 4*1024kB (U) 1*2048kB (U) 0*4096kB = 18596kB Normal: 231*4kB (UM) 108*8kB (MEH) 78*16kB (UME) 32*32kB (UMH) 11*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5404kB ** 141 printk messages dropped ** [ 1081.390945] [] ? debug_lockdep_rcu_enabled+0x77/0x90 ** 138 printk messages dropped ** [ 1091.145908] [] ? debug_lockdep_rcu_enabled+0x77/0x90 ** 160 printk messages dropped ** [ 1091.240827] lowmem_reserve[]: 0 0 0 [ 1091.240873] DMA32: 5*4kB (MH) 12*8kB (MEH) 13*16kB (UMEH) 19*32kB (UMEH) 10*64kB (UMEH) 9*128kB (UME) 14*256kB (UME) 12*512kB (UME) 4*1024kB (U) 1*2048kB (U) 0*4096kB = 18596kB Normal: 231*4kB (UM) 108*8kB (MEH) 78*16kB (UME) 32*32kB (UMH) 11*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5404kB 109 total pagecache pages [ 1091.240919] 0 pages in swap cache [ 1091.240923] Swap cache stats: add 0, delete 0, find 0/0 [ 1091.240925] Free swap = 0kB [ 1091.240927] Total swap = 0kB [ 1091.240930] 1965979 pages RAM [ 1091.240932] 0 pages HighMem/MovableOnly [ 1091.240934] 313617 pages reserved [ 1091.295857] init: page allocation stalls for 60010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1091.295866] CPU: 0 PID: 1 Comm: init Not tainted 4.9.141+ #1 [ 1091.295880] ffff8801da607450 ffffffff81b42e79 1ffff1003b4c0e8c ffff8801da5f8000 [ 1091.295889] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607598 [ 1091.295898] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1091.295900] Call Trace: [ 1091.295914] [] dump_stack+0xc1/0x128 [ 1091.295923] [] warn_alloc.cold.31+0x7f/0x9c [ 1091.295932] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1091.295940] [] ? shrink_node+0x740/0x740 [ 1091.295948] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1091.295956] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1091.295964] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1091.295971] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1091.295978] [] ? find_get_entry+0x11a/0x570 [ 1091.295984] [] ? find_get_entry+0x141/0x570 [ 1091.295991] [] ? page_cache_prev_hole+0x80/0x80 [ 1091.295997] [] ? pagecache_get_page+0x131/0x710 [ 1091.296004] [] filemap_fault+0xaf1/0x1110 [ 1091.296017] [] ext4_filemap_fault+0x71/0xa0 [ 1091.296024] [] __do_fault+0x223/0x500 [ 1091.296030] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1091.296037] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1091.296044] [] handle_mm_fault+0x1326/0x2350 [ 1091.296050] [] ? vm_insert_page+0x6f0/0x6f0 [ 1091.296057] [] ? kasan_kmalloc.part.1+0xc9/0xf0 [ 1091.296065] [] __do_page_fault+0x403/0xa60 [ 1091.296072] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1091.296080] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1091.296086] [] do_page_fault+0x27/0x30 [ 1091.296094] [] page_fault+0x25/0x30 [ 1091.296100] [] ? 0xffffffff810002b8 [ 1091.296107] [] ? strncpy_from_user+0xa5/0x2e0 [ 1091.296114] [] ? strncpy_from_user+0xa7/0x2e0 [ 1091.296121] [] ? kmem_cache_alloc+0x246/0x2b0 [ 1091.296128] [] getname_flags+0x10b/0x550 [ 1091.296135] [] ? handle_mm_fault+0x54b/0x2350 [ 1091.296141] [] user_path_at_empty+0x2f/0x70 [ 1091.296148] [] vfs_fstatat+0xc6/0x170 [ 1091.296155] [] ? vfs_fstat+0x80/0x80 [ 1091.296162] [] SyS_newstat+0x86/0xf0 [ 1091.296169] [] ? SyS_fstat+0xf0/0xf0 [ 1091.296176] [] ? up_read+0x1a/0x40 [ 1091.296183] [] ? __do_page_fault+0x554/0xa60 [ 1091.296189] [] ? do_syscall_64+0x48/0x550 [ 1091.296196] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 1091.296203] [] ? SyS_fstat+0xf0/0xf0 [ 1091.296209] [] do_syscall_64+0x19f/0x550 [ 1091.296216] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 1091.296220] Mem-Info: [ 1091.296235] active_anon:5499 inactive_anon:41 isolated_anon:0 [ 1091.296235] active_file:8 inactive_file:51 isolated_file:0 [ 1091.296235] unevictable:0 dirty:2 writeback:0 unstable:0 [ 1091.296235] slab_reclaimable:4074 slab_unreclaimable:57666 [ 1091.296235] mapped:21 shmem:48 pagetables:390 bounce:0 [ 1091.296235] free:6000 free_pcp:171 free_cma:0 [ 1091.296247] Node 0 active_anon:21996kB inactive_anon:164kB active_file:32kB inactive_file:204kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:8kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1091.296263] DMA32 free:18596kB min:4696kB low:7712kB high:10728kB active_anon:72kB inactive_anon:0kB active_file:8kB inactive_file:112kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:196kB kernel_stack:128kB pagetables:4kB bounce:0kB free_pcp:360kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1091.296287] Normal free:5404kB min:5580kB low:9168kB high:12756kB active_anon:21924kB inactive_anon:164kB active_file:24kB inactive_file:92kB unevictable:0kB writepending:8kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16280kB slab_unreclaimable:230468kB kernel_stack:3968kB pagetables:1556kB bounce:0kB free_pcp:324kB local_pcp:100kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1091.296337] DMA32: 5*4kB (MH) 12*8kB (MEH) 13*16kB (UMEH) 19*32kB (UMEH) 10*64kB (UMEH) 9*128kB (UME) 14*256kB (UME) 12*512kB (UME) 4*1024kB (U) 1*2048kB (U) 0*4096kB = 18596kB Normal: 231*4kB (UM) 108*8kB (MEH) 78*16kB (UME) 32*32kB (UMH) 11*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5404kB 109 total pagecache pages [ 1091.296378] 0 pages in swap cache [ 1091.296382] Swap cache stats: add 0, delete 0, find 0/0 [ 1091.296384] Free swap = 0kB [ 1091.296386] Total swap = 0kB [ 1091.296388] 1965979 pages RAM [ 1091.296390] 0 pages HighMem/MovableOnly [ 1091.296392] 313617 pages reserved [ 1091.346829] syz-execprog: page allocation stalls for 60080ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1091.346837] CPU: 1 PID: 2210 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1091.346852] ffff8801ca3877c0 ffffffff81b42e79 1ffff10039470efa ffff8801cc242f80 [ 1091.346863] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca387908 [ 1091.346872] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1091.346874] Call Trace: [ 1091.346888] [] dump_stack+0xc1/0x128 [ 1091.346898] [] warn_alloc.cold.31+0x7f/0x9c [ 1091.346907] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1091.346915] [] ? shrink_node+0x740/0x740 [ 1091.346924] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1091.346933] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1091.346942] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1091.346950] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1091.346961] [] ? find_get_entry+0x11a/0x570 [ 1091.346969] [] ? find_get_entry+0x141/0x570 [ 1091.346976] [] ? page_cache_prev_hole+0x80/0x80 [ 1091.346984] [] ? autoremove_wake_function+0x40/0x40 [ 1091.346992] [] ? pagecache_get_page+0x131/0x710 [ 1091.346999] [] filemap_fault+0xaf1/0x1110 [ 1091.347008] [] ext4_filemap_fault+0x71/0xa0 [ 1091.347015] [] __do_fault+0x223/0x500 [ 1091.347022] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1091.347030] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1091.347037] [] handle_mm_fault+0x1326/0x2350 [ 1091.347044] [] ? vm_insert_page+0x6f0/0x6f0 [ 1091.347052] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1091.347061] [] __do_page_fault+0x403/0xa60 [ 1091.347068] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1091.347078] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1091.347085] [] do_page_fault+0x27/0x30 [ 1091.347093] [] page_fault+0x25/0x30 [ 1091.347097] Mem-Info: [ 1091.347113] active_anon:5499 inactive_anon:41 isolated_anon:0 [ 1091.347113] active_file:8 inactive_file:51 isolated_file:0 [ 1091.347113] unevictable:0 dirty:2 writeback:0 unstable:0 [ 1091.347113] slab_reclaimable:4074 slab_unreclaimable:57666 [ 1091.347113] mapped:21 shmem:48 pagetables:390 bounce:0 [ 1091.347113] free:6000 free_pcp:171 free_cma:0 [ 1091.347126] Node 0 active_anon:21996kB inactive_anon:164kB active_file:32kB inactive_file:204kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:8kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes ** 440 printk messages dropped ** [ 1101.217685] lowmem_reserve[]: 0 3505 3505 [ 1101.217703] Normal free:5396kB min:5580kB low:9168kB high:12756kB active_anon:21924kB inactive_anon:164kB active_file:24kB inactive_file:92kB unevictable:0kB writepending:8kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16280kB slab_unreclaimable:230476kB kernel_stack:3968kB pagetables:1556kB bounce:0kB free_pcp:324kB local_pcp:224kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1101.217758] DMA32: 5*4kB (MH) 12*8kB (MEH) 13*16kB (UMEH) 19*32kB (UMEH) 10*64kB (UMEH) 9*128kB (UME) 14*256kB (UME) 12*512kB (UME) 4*1024kB (U) 1*2048kB (U) 0*4096kB = 18596kB Normal: 231*4kB (UM) 107*8kB (MEH) 78*16kB (UME) 32*32kB (UMH) 11*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5396kB 109 total pagecache pages [ 1101.217810] 0 pages in swap cache [ 1101.217814] Swap cache stats: add 0, delete 0, find 0/0 [ 1101.217816] Free swap = 0kB [ 1101.217818] Total swap = 0kB [ 1101.217820] 1965979 pages RAM [ 1101.217822] 0 pages HighMem/MovableOnly [ 1101.217824] 313617 pages reserved [ 1101.303301] syz-execprog: page allocation stalls for 70040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1101.303309] CPU: 1 PID: 2210 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1101.303324] ffff8801ca3877c0 ffffffff81b42e79 1ffff10039470efa ffff8801cc242f80 [ 1101.303334] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca387908 [ 1101.303344] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1101.303346] Call Trace: [ 1101.303361] [] dump_stack+0xc1/0x128 [ 1101.303371] [] warn_alloc.cold.31+0x7f/0x9c [ 1101.303380] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1101.303388] [] ? shrink_node+0x740/0x740 [ 1101.303397] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1101.303406] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1101.303415] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1101.303423] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1101.303430] [] ? find_get_entry+0x11a/0x570 [ 1101.303437] [] ? find_get_entry+0x141/0x570 [ 1101.303444] [] ? page_cache_prev_hole+0x80/0x80 [ 1101.303453] [] ? autoremove_wake_function+0x40/0x40 [ 1101.303460] [] ? pagecache_get_page+0x131/0x710 [ 1101.303468] [] filemap_fault+0xaf1/0x1110 [ 1101.303476] [] ext4_filemap_fault+0x71/0xa0 [ 1101.303483] [] __do_fault+0x223/0x500 [ 1101.303490] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1101.303498] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1101.303505] [] handle_mm_fault+0x1326/0x2350 [ 1101.303512] [] ? vm_insert_page+0x6f0/0x6f0 [ 1101.303520] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1101.303529] [] __do_page_fault+0x403/0xa60 [ 1101.303537] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1101.303547] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1101.303554] [] do_page_fault+0x27/0x30 [ 1101.303562] [] page_fault+0x25/0x30 [ 1101.303566] Mem-Info: [ 1101.303583] active_anon:5499 inactive_anon:41 isolated_anon:0 [ 1101.303583] active_file:8 inactive_file:51 isolated_file:0 [ 1101.303583] unevictable:0 dirty:2 writeback:0 unstable:0 [ 1101.303583] slab_reclaimable:4074 slab_unreclaimable:57668 [ 1101.303583] mapped:21 shmem:48 pagetables:390 bounce:0 [ 1101.303583] free:5998 free_pcp:171 free_cma:0 [ 1101.303596] Node 0 active_anon:21996kB inactive_anon:164kB active_file:32kB inactive_file:204kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:8kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1101.303614] DMA32 free:18596kB min:4696kB low:7712kB high:10728kB active_anon:72kB inactive_anon:0kB active_file:8kB inactive_file:112kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:196kB kernel_stack:128kB pagetables:4kB bounce:0kB free_pcp:360kB local_pcp:240kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1101.303641] Normal free:5396kB min:5580kB low:9168kB high:12756kB active_anon:21924kB inactive_anon:164kB active_file:24kB inactive_file:92kB unevictable:0kB writepending:8kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16280kB slab_unreclaimable:230476kB kernel_stack:3968kB pagetables:1556kB bounce:0kB free_pcp:324kB local_pcp:224kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1101.303696] DMA32: 5*4kB (MH) 12*8kB (MEH) 13*16kB (UMEH) 19*32kB (UMEH) 10*64kB (UMEH) 9*128kB (UME) 14*256kB (UME) 12*512kB (UME) 4*1024kB (U) 1*2048kB (U) 0*4096kB = 18596kB Normal: 231*4kB (UM) 107*8kB (MEH) 78*16kB (UME) 32*32kB (UMH) 11*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5396kB 109 total pagecache pages [ 1101.303744] 0 pages in swap cache [ 1101.303748] Swap cache stats: add 0, delete 0, find 0/0 [ 1101.303750] Free swap = 0kB [ 1101.303752] Total swap = 0kB [ 1101.303754] 1965979 pages RAM [ 1101.303756] 0 pages HighMem/MovableOnly [ 1101.303758] 313617 pages reserved [ 1101.310222] init: page allocation stalls for 70020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1101.310228] CPU: 0 PID: 1 Comm: init Not tainted 4.9.141+ #1 [ 1101.310241] ffff8801da607450 ffffffff81b42e79 1ffff1003b4c0e8c ffff8801da5f8000 [ 1101.310251] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607598 [ 1101.310260] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1101.310262] Call Trace: [ 1101.310272] [] dump_stack+0xc1/0x128 [ 1101.310279] [] warn_alloc.cold.31+0x7f/0x9c [ 1101.310288] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1101.310301] [] ? shrink_node+0x740/0x740 [ 1101.310310] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1101.310317] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1101.310326] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1101.310333] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1101.310340] [] ? find_get_entry+0x11a/0x570 [ 1101.310347] [] ? find_get_entry+0x141/0x570 [ 1101.310354] [] ? page_cache_prev_hole+0x80/0x80 [ 1101.310362] [] ? pagecache_get_page+0x131/0x710 [ 1101.310369] [] filemap_fault+0xaf1/0x1110 [ 1101.310377] [] ext4_filemap_fault+0x71/0xa0 [ 1101.310384] [] __do_fault+0x223/0x500 [ 1101.310390] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1101.310399] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1101.310405] [] handle_mm_fault+0x1326/0x2350 [ 1101.310413] [] ? vm_insert_page+0x6f0/0x6f0 [ 1101.310420] [] ? kasan_kmalloc.part.1+0xc9/0xf0 [ 1101.310428] [] __do_page_fault+0x403/0xa60 [ 1101.310436] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1101.310445] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1101.310452] [] do_page_fault+0x27/0x30 [ 1101.310459] [] page_fault+0x25/0x30 [ 1101.310465] [] ? 0xffffffff810002b8 [ 1101.310473] [] ? strncpy_from_user+0xa5/0x2e0 [ 1101.310480] [] ? strncpy_from_user+0xa7/0x2e0 [ 1101.310488] [] ? kmem_cache_alloc+0x246/0x2b0 [ 1101.310496] [] getname_flags+0x10b/0x550 [ 1101.310503] [] ? handle_mm_fault+0x54b/0x2350 [ 1101.310510] [] user_path_at_empty+0x2f/0x70 [ 1101.310518] [] vfs_fstatat+0xc6/0x170 [ 1101.310526] [] ? vfs_fstat+0x80/0x80 [ 1101.310534] [] SyS_newstat+0x86/0xf0 [ 1101.310541] [] ? SyS_fstat+0xf0/0xf0 [ 1101.310548] [] ? up_read+0x1a/0x40 [ 1101.310555] [] ? __do_page_fault+0x554/0xa60 [ 1101.310562] [] ? do_syscall_64+0x48/0x550 [ 1101.310569] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 1101.310576] [] ? SyS_fstat+0xf0/0xf0 [ 1101.310583] [] do_syscall_64+0x19f/0x550 [ 1101.310591] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 1101.310594] Mem-Info: [ 1101.310609] active_anon:5499 inactive_anon:41 isolated_anon:0 [ 1101.310609] active_file:8 inactive_file:51 isolated_file:0 [ 1101.310609] unevictable:0 dirty:2 writeback:0 unstable:0 [ 1101.310609] slab_reclaimable:4074 slab_unreclaimable:57668 [ 1101.310609] mapped:21 shmem:48 pagetables:390 bounce:0 [ 1101.310609] free:5998 free_pcp:171 free_cma:0 ** 319 printk messages dropped ** [ 1111.170303] [] ? pagecache_get_page+0x131/0x710 ** 49 printk messages dropped ** [ 1111.216663] [] ? autoremove_wake_function+0x40/0x40 ** 69 printk messages dropped ** [ 1111.226749] lowmem_reserve[]: 0 0 0 [ 1111.226795] DMA32: 5*4kB (MH) 12*8kB (MEH) 13*16kB (UMEH) 19*32kB (UMEH) 10*64kB (UMEH) 9*128kB (UME) 14*256kB (UME) 12*512kB (UME) 4*1024kB (U) 1*2048kB (U) 0*4096kB = 18596kB Normal: 231*4kB (UM) 107*8kB (MEH) 78*16kB (UME) 32*32kB (UMH) 11*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5396kB 109 total pagecache pages [ 1111.226840] 0 pages in swap cache [ 1111.226844] Swap cache stats: add 0, delete 0, find 0/0 [ 1111.226846] Free swap = 0kB [ 1111.226848] Total swap = 0kB [ 1111.226850] 1965979 pages RAM [ 1111.226852] 0 pages HighMem/MovableOnly [ 1111.226854] 313617 pages reserved [ 1111.300348] syz-execprog: page allocation stalls for 80030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1111.300356] CPU: 1 PID: 2210 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1111.300372] ffff8801ca3877c0 ffffffff81b42e79 1ffff10039470efa ffff8801cc242f80 [ 1111.300382] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca387908 [ 1111.300392] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1111.300394] Call Trace: [ 1111.300409] [] dump_stack+0xc1/0x128 [ 1111.300419] [] warn_alloc.cold.31+0x7f/0x9c [ 1111.300429] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1111.300437] [] ? shrink_node+0x740/0x740 [ 1111.300446] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1111.300455] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1111.300464] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1111.300472] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1111.300479] [] ? find_get_entry+0x11a/0x570 [ 1111.300487] [] ? find_get_entry+0x141/0x570 [ 1111.300494] [] ? page_cache_prev_hole+0x80/0x80 [ 1111.300502] [] ? autoremove_wake_function+0x40/0x40 [ 1111.300509] [] ? pagecache_get_page+0x131/0x710 [ 1111.300517] [] filemap_fault+0xaf1/0x1110 [ 1111.300526] [] ext4_filemap_fault+0x71/0xa0 [ 1111.300532] [] __do_fault+0x223/0x500 [ 1111.300539] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1111.300548] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1111.300555] [] handle_mm_fault+0x1326/0x2350 [ 1111.300562] [] ? vm_insert_page+0x6f0/0x6f0 [ 1111.300569] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1111.300578] [] __do_page_fault+0x403/0xa60 [ 1111.300585] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1111.300595] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1111.300602] [] do_page_fault+0x27/0x30 [ 1111.300611] [] page_fault+0x25/0x30 [ 1111.300615] Mem-Info: [ 1111.300631] active_anon:5499 inactive_anon:41 isolated_anon:0 [ 1111.300631] active_file:8 inactive_file:51 isolated_file:0 [ 1111.300631] unevictable:0 dirty:2 writeback:0 unstable:0 [ 1111.300631] slab_reclaimable:4074 slab_unreclaimable:57668 [ 1111.300631] mapped:21 shmem:48 pagetables:390 bounce:0 [ 1111.300631] free:5998 free_pcp:171 free_cma:0 [ 1111.300644] Node 0 active_anon:21996kB inactive_anon:164kB active_file:32kB inactive_file:204kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:8kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1111.300663] DMA32 free:18596kB min:4696kB low:7712kB high:10728kB active_anon:72kB inactive_anon:0kB active_file:8kB inactive_file:112kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:196kB kernel_stack:128kB pagetables:4kB bounce:0kB free_pcp:360kB local_pcp:240kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1111.300690] Normal free:5396kB min:5580kB low:9168kB high:12756kB active_anon:21924kB inactive_anon:164kB active_file:24kB inactive_file:92kB unevictable:0kB writepending:8kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16280kB slab_unreclaimable:230476kB kernel_stack:3968kB pagetables:1556kB bounce:0kB free_pcp:324kB local_pcp:224kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1111.300745] DMA32: 5*4kB (MH) 12*8kB (MEH) 13*16kB (UMEH) 19*32kB (UMEH) 10*64kB (UMEH) 9*128kB (UME) 14*256kB (UME) 12*512kB (UME) 4*1024kB (U) 1*2048kB (U) 0*4096kB = 18596kB Normal: 231*4kB (UM) 107*8kB (MEH) 78*16kB (UME) 32*32kB (UMH) 11*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5396kB 109 total pagecache pages [ 1111.300792] 0 pages in swap cache [ 1111.300796] Swap cache stats: add 0, delete 0, find 0/0 [ 1111.300798] Free swap = 0kB [ 1111.300800] Total swap = 0kB [ 1111.300803] 1965979 pages RAM [ 1111.300805] 0 pages HighMem/MovableOnly [ 1111.300807] 313617 pages reserved [ 1111.300865] init: page allocation stalls for 80010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1111.300871] CPU: 0 PID: 1 Comm: init Not tainted 4.9.141+ #1 [ 1111.300884] ffff8801da607450 ffffffff81b42e79 1ffff1003b4c0e8c ffff8801da5f8000 [ 1111.300894] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607598 [ 1111.300904] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1111.300905] Call Trace: [ 1111.300914] [] dump_stack+0xc1/0x128 [ 1111.300922] [] warn_alloc.cold.31+0x7f/0x9c [ 1111.300930] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1111.300937] [] ? shrink_node+0x740/0x740 [ 1111.300946] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1111.300953] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1111.300963] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1111.300970] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1111.300977] [] ? find_get_entry+0x11a/0x570 [ 1111.300984] [] ? find_get_entry+0x141/0x570 [ 1111.300991] [] ? page_cache_prev_hole+0x80/0x80 [ 1111.300998] [] ? pagecache_get_page+0x131/0x710 [ 1111.301005] [] filemap_fault+0xaf1/0x1110 [ 1111.301013] [] ext4_filemap_fault+0x71/0xa0 [ 1111.301019] [] __do_fault+0x223/0x500 [ 1111.301026] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1111.301034] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1111.301041] [] handle_mm_fault+0x1326/0x2350 [ 1111.301049] [] ? vm_insert_page+0x6f0/0x6f0 [ 1111.301056] [] ? kasan_kmalloc.part.1+0xc9/0xf0 [ 1111.301062] [] __do_page_fault+0x403/0xa60 [ 1111.301068] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1111.301074] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1111.301078] [] do_page_fault+0x27/0x30 [ 1111.301083] [] page_fault+0x25/0x30 [ 1111.301087] [] ? 0xffffffff810002b8 [ 1111.301093] [] ? strncpy_from_user+0xa5/0x2e0 [ 1111.301098] [] ? strncpy_from_user+0xa7/0x2e0 [ 1111.301105] [] ? kmem_cache_alloc+0x246/0x2b0 [ 1111.301111] [] getname_flags+0x10b/0x550 [ 1111.301115] [] ? handle_mm_fault+0x54b/0x2350 [ 1111.301121] [] user_path_at_empty+0x2f/0x70 [ 1111.301130] [] vfs_fstatat+0xc6/0x170 [ 1111.301138] [] ? vfs_fstat+0x80/0x80 [ 1111.301146] [] SyS_newstat+0x86/0xf0 [ 1111.301153] [] ? SyS_fstat+0xf0/0xf0 [ 1111.301160] [] ? up_read+0x1a/0x40 [ 1111.301167] [] ? __do_page_fault+0x554/0xa60 [ 1111.301174] [] ? do_syscall_64+0x48/0x550 [ 1111.301181] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 1111.301188] [] ? SyS_fstat+0xf0/0xf0 [ 1111.301195] [] do_syscall_64+0x19f/0x550 [ 1111.301203] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 1111.301205] Mem-Info: [ 1111.301221] active_anon:5499 inactive_anon:41 isolated_anon:0 [ 1111.301221] active_file:8 inactive_file:51 isolated_file:0 [ 1111.301221] unevictable:0 dirty:2 writeback:0 unstable:0 [ 1111.301221] slab_reclaimable:4074 slab_unreclaimable:57668 [ 1111.301221] mapped:21 shmem:48 pagetables:390 bounce:0 [ 1111.301221] free:5998 free_pcp:171 free_cma:0 [ 1111.301234] Node 0 active_anon:21996kB inactive_anon:164kB active_file:32kB inactive_file:204kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:8kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes ** 270 printk messages dropped ** [ 1121.107435] [] filemap_fault+0xaf1/0x1110 ** 165 printk messages dropped ** [ 1121.246708] lowmem_reserve[]: 0 3505 3505 [ 1121.246726] Normal free:5396kB min:5580kB low:9168kB high:12756kB active_anon:21924kB inactive_anon:164kB active_file:24kB inactive_file:92kB unevictable:0kB writepending:8kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16280kB slab_unreclaimable:230476kB kernel_stack:3968kB pagetables:1556kB bounce:0kB free_pcp:324kB local_pcp:224kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1121.246782] DMA32: 5*4kB (MH) 12*8kB (MEH) 13*16kB (UMEH) 19*32kB (UMEH) 10*64kB (UMEH) 9*128kB (UME) 14*256kB (UME) 12*512kB (UME) 4*1024kB (U) 1*2048kB (U) 0*4096kB = 18596kB Normal: 231*4kB (UM) 107*8kB (MEH) 78*16kB (UME) 32*32kB (UMH) 11*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5396kB 109 total pagecache pages [ 1121.246828] 0 pages in swap cache [ 1121.246832] Swap cache stats: add 0, delete 0, find 0/0 [ 1121.246834] Free swap = 0kB [ 1121.246836] Total swap = 0kB [ 1121.246839] 1965979 pages RAM [ 1121.246841] 0 pages HighMem/MovableOnly [ 1121.246843] 313617 pages reserved [ 1121.291288] syz-execprog: page allocation stalls for 90020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1121.291295] CPU: 1 PID: 2210 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1121.291309] ffff8801ca3877c0 ffffffff81b42e79 1ffff10039470efa ffff8801cc242f80 [ 1121.291319] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca387908 [ 1121.291329] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1121.291331] Call Trace: [ 1121.291344] [] dump_stack+0xc1/0x128 [ 1121.291352] [] warn_alloc.cold.31+0x7f/0x9c [ 1121.291366] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1121.291375] [] ? shrink_node+0x740/0x740 [ 1121.291384] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1121.291391] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1121.291400] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1121.291409] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1121.291416] [] ? find_get_entry+0x11a/0x570 [ 1121.291423] [] ? find_get_entry+0x141/0x570 [ 1121.291430] [] ? page_cache_prev_hole+0x80/0x80 [ 1121.291439] [] ? autoremove_wake_function+0x40/0x40 [ 1121.291446] [] ? pagecache_get_page+0x131/0x710 [ 1121.291454] [] filemap_fault+0xaf1/0x1110 [ 1121.291462] [] ext4_filemap_fault+0x71/0xa0 [ 1121.291469] [] __do_fault+0x223/0x500 [ 1121.291476] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1121.291484] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1121.291491] [] handle_mm_fault+0x1326/0x2350 [ 1121.291498] [] ? vm_insert_page+0x6f0/0x6f0 [ 1121.291506] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1121.291515] [] __do_page_fault+0x403/0xa60 [ 1121.291522] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1121.291532] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1121.291539] [] do_page_fault+0x27/0x30 [ 1121.291546] [] page_fault+0x25/0x30 [ 1121.291550] Mem-Info: [ 1121.291566] active_anon:5499 inactive_anon:41 isolated_anon:0 [ 1121.291566] active_file:8 inactive_file:51 isolated_file:0 [ 1121.291566] unevictable:0 dirty:2 writeback:0 unstable:0 [ 1121.291566] slab_reclaimable:4074 slab_unreclaimable:57668 [ 1121.291566] mapped:21 shmem:48 pagetables:390 bounce:0 [ 1121.291566] free:5998 free_pcp:171 free_cma:0 [ 1121.291579] Node 0 active_anon:21996kB inactive_anon:164kB active_file:32kB inactive_file:204kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:8kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1121.291597] DMA32 free:18596kB min:4696kB low:7712kB high:10728kB active_anon:72kB inactive_anon:0kB active_file:8kB inactive_file:112kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:196kB kernel_stack:128kB pagetables:4kB bounce:0kB free_pcp:360kB local_pcp:240kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1121.291623] Normal free:5396kB min:5580kB low:9168kB high:12756kB active_anon:21924kB inactive_anon:164kB active_file:24kB inactive_file:92kB unevictable:0kB writepending:8kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16280kB slab_unreclaimable:230476kB kernel_stack:3968kB pagetables:1556kB bounce:0kB free_pcp:324kB local_pcp:224kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1121.291678] DMA32: 5*4kB (MH) 12*8kB (MEH) 13*16kB (UMEH) 19*32kB (UMEH) 10*64kB (UMEH) 9*128kB (UME) 14*256kB (UME) 12*512kB (UME) 4*1024kB (U) 1*2048kB (U) 0*4096kB = 18596kB Normal: 231*4kB (UM) 107*8kB (MEH) 78*16kB (UME) 32*32kB (UMH) 11*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5396kB 109 total pagecache pages [ 1121.291725] 0 pages in swap cache [ 1121.291729] Swap cache stats: add 0, delete 0, find 0/0 [ 1121.291731] Free swap = 0kB [ 1121.291733] Total swap = 0kB [ 1121.291735] 1965979 pages RAM [ 1121.291737] 0 pages HighMem/MovableOnly [ 1121.291739] 313617 pages reserved [ 1121.300173] init: page allocation stalls for 90010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1121.300179] CPU: 0 PID: 1 Comm: init Not tainted 4.9.141+ #1 [ 1121.300192] ffff8801da607450 ffffffff81b42e79 1ffff1003b4c0e8c ffff8801da5f8000 [ 1121.300202] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607598 [ 1121.300212] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1121.300214] Call Trace: [ 1121.300224] [] dump_stack+0xc1/0x128 [ 1121.300232] [] warn_alloc.cold.31+0x7f/0x9c [ 1121.300240] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1121.300248] [] ? shrink_node+0x740/0x740 [ 1121.300257] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1121.300264] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1121.300273] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1121.300281] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1121.300288] [] ? find_get_entry+0x11a/0x570 [ 1121.300296] [] ? find_get_entry+0x141/0x570 [ 1121.300302] [] ? page_cache_prev_hole+0x80/0x80 [ 1121.300310] [] ? pagecache_get_page+0x131/0x710 [ 1121.300317] [] filemap_fault+0xaf1/0x1110 [ 1121.300325] [] ext4_filemap_fault+0x71/0xa0 [ 1121.300332] [] __do_fault+0x223/0x500 [ 1121.300339] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1121.300347] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1121.300354] [] handle_mm_fault+0x1326/0x2350 [ 1121.300360] [] ? vm_insert_page+0x6f0/0x6f0 [ 1121.300368] [] ? kasan_kmalloc.part.1+0xc9/0xf0 [ 1121.300376] [] __do_page_fault+0x403/0xa60 [ 1121.300384] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1121.300392] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1121.300399] [] do_page_fault+0x27/0x30 [ 1121.300406] [] page_fault+0x25/0x30 [ 1121.300412] [] ? 0xffffffff810002b8 [ 1121.300419] [] ? strncpy_from_user+0xa5/0x2e0 [ 1121.300427] [] ? strncpy_from_user+0xa7/0x2e0 [ 1121.300435] [] ? kmem_cache_alloc+0x246/0x2b0 [ 1121.300443] [] getname_flags+0x10b/0x550 [ 1121.300450] [] ? handle_mm_fault+0x54b/0x2350 [ 1121.300458] [] user_path_at_empty+0x2f/0x70 [ 1121.300466] [] vfs_fstatat+0xc6/0x170 [ 1121.300473] [] ? vfs_fstat+0x80/0x80 [ 1121.300481] [] SyS_newstat+0x86/0xf0 [ 1121.300489] [] ? SyS_fstat+0xf0/0xf0 [ 1121.300497] [] ? up_read+0x1a/0x40 [ 1121.300504] [] ? __do_page_fault+0x554/0xa60 [ 1121.300510] [] ? do_syscall_64+0x48/0x550 [ 1121.300518] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 1121.300525] [] ? SyS_fstat+0xf0/0xf0 [ 1121.300531] [] do_syscall_64+0x19f/0x550 [ 1121.300539] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 1121.300542] Mem-Info: [ 1121.300558] active_anon:5499 inactive_anon:41 isolated_anon:0 [ 1121.300558] active_file:8 inactive_file:51 isolated_file:0 [ 1121.300558] unevictable:0 dirty:2 writeback:0 unstable:0 [ 1121.300558] slab_reclaimable:4074 slab_unreclaimable:57668 [ 1121.300558] mapped:21 shmem:48 pagetables:390 bounce:0 [ 1121.300558] free:5998 free_pcp:171 free_cma:0 ** 238 printk messages dropped ** [ 1123.762634] lowmemorykiller: Killing 'syz-executor.4' (2399) (tgid 2398), adj 1000, [ 1123.762634] to free 140kB on behalf of 'syz-executor.3' (2409) because [ 1123.762634] cache 244kB is below limit 6144kB for oom_score_adj 0 [ 1123.762634] Free memory is -13512kB above reserved ** 197 printk messages dropped ** [ 1131.230389] DMA32 free:18596kB min:4696kB low:7712kB high:10728kB active_anon:72kB inactive_anon:0kB active_file:8kB inactive_file:112kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:196kB kernel_stack:128kB pagetables:4kB bounce:0kB free_pcp:360kB local_pcp:240kB free_cma:0kB ** 1 printk messages dropped ** [ 1131.230415] Normal free:5396kB min:5580kB low:9168kB high:12756kB active_anon:21924kB inactive_anon:164kB active_file:24kB inactive_file:92kB unevictable:0kB writepending:8kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16280kB slab_unreclaimable:230476kB kernel_stack:3968kB pagetables:1556kB bounce:0kB free_pcp:324kB local_pcp:224kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1131.230469] DMA32: 5*4kB (MH) 12*8kB (MEH) 13*16kB (UMEH) 19*32kB (UMEH) 10*64kB (UMEH) 9*128kB (UME) 14*256kB (UME) 12*512kB (UME) 4*1024kB (U) 1*2048kB (U) 0*4096kB = 18596kB Normal: 231*4kB (UM) 107*8kB (MEH) 78*16kB (UME) 32*32kB (UMH) 11*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5396kB 109 total pagecache pages [ 1131.230515] 0 pages in swap cache [ 1131.230519] Swap cache stats: add 0, delete 0, find 0/0 [ 1131.230521] Free swap = 0kB [ 1131.230523] Total swap = 0kB [ 1131.230526] 1965979 pages RAM [ 1131.230528] 0 pages HighMem/MovableOnly [ 1131.230530] 313617 pages reserved [ 1131.286412] syz-execprog: page allocation stalls for 100020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1131.286421] CPU: 1 PID: 2210 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1131.286436] ffff8801ca3877c0 ffffffff81b42e79 1ffff10039470efa ffff8801cc242f80 [ 1131.286446] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca387908 [ 1131.286455] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1131.286457] Call Trace: [ 1131.286469] [] dump_stack+0xc1/0x128 [ 1131.286478] [] warn_alloc.cold.31+0x7f/0x9c [ 1131.286488] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1131.286496] [] ? shrink_node+0x740/0x740 [ 1131.286505] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1131.286514] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1131.286523] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1131.286531] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1131.286538] [] ? find_get_entry+0x11a/0x570 [ 1131.286546] [] ? find_get_entry+0x141/0x570 [ 1131.286553] [] ? page_cache_prev_hole+0x80/0x80 [ 1131.286562] [] ? autoremove_wake_function+0x40/0x40 [ 1131.286569] [] ? pagecache_get_page+0x131/0x710 [ 1131.286577] [] filemap_fault+0xaf1/0x1110 [ 1131.286586] [] ext4_filemap_fault+0x71/0xa0 [ 1131.286593] [] __do_fault+0x223/0x500 [ 1131.286600] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1131.286608] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1131.286615] [] handle_mm_fault+0x1326/0x2350 [ 1131.286622] [] ? vm_insert_page+0x6f0/0x6f0 [ 1131.286629] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1131.286639] [] __do_page_fault+0x403/0xa60 [ 1131.286651] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1131.286660] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1131.286667] [] do_page_fault+0x27/0x30 [ 1131.286676] [] page_fault+0x25/0x30 [ 1131.286679] Mem-Info: [ 1131.286696] active_anon:5499 inactive_anon:41 isolated_anon:0 [ 1131.286696] active_file:8 inactive_file:51 isolated_file:0 [ 1131.286696] unevictable:0 dirty:2 writeback:0 unstable:0 [ 1131.286696] slab_reclaimable:4074 slab_unreclaimable:57668 [ 1131.286696] mapped:21 shmem:48 pagetables:390 bounce:0 [ 1131.286696] free:5998 free_pcp:171 free_cma:0 [ 1131.286709] Node 0 active_anon:21996kB inactive_anon:164kB active_file:32kB inactive_file:204kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:8kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1131.286727] DMA32 free:18596kB min:4696kB low:7712kB high:10728kB active_anon:72kB inactive_anon:0kB active_file:8kB inactive_file:112kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:196kB kernel_stack:128kB pagetables:4kB bounce:0kB free_pcp:360kB local_pcp:240kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1131.286753] Normal free:5396kB min:5580kB low:9168kB high:12756kB active_anon:21924kB inactive_anon:164kB active_file:24kB inactive_file:92kB unevictable:0kB writepending:8kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16280kB slab_unreclaimable:230476kB kernel_stack:3968kB pagetables:1556kB bounce:0kB free_pcp:324kB local_pcp:224kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1131.286808] DMA32: 5*4kB (MH) 12*8kB (MEH) 13*16kB (UMEH) 19*32kB (UMEH) 10*64kB (UMEH) 9*128kB (UME) 14*256kB (UME) 12*512kB (UME) 4*1024kB (U) 1*2048kB (U) 0*4096kB = 18596kB Normal: 231*4kB (UM) 107*8kB (MEH) 78*16kB (UME) 32*32kB (UMH) 11*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5396kB 109 total pagecache pages [ 1131.286855] 0 pages in swap cache [ 1131.286859] Swap cache stats: add 0, delete 0, find 0/0 [ 1131.286861] Free swap = 0kB [ 1131.286863] Total swap = 0kB [ 1131.286865] 1965979 pages RAM [ 1131.286867] 0 pages HighMem/MovableOnly [ 1131.286869] 313617 pages reserved [ 1131.300194] init: page allocation stalls for 100010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1131.300201] CPU: 1 PID: 1 Comm: init Not tainted 4.9.141+ #1 [ 1131.300213] ffff8801da607450 ffffffff81b42e79 1ffff1003b4c0e8c ffff8801da5f8000 [ 1131.300224] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607598 [ 1131.300233] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1131.300235] Call Trace: [ 1131.300246] [] dump_stack+0xc1/0x128 [ 1131.300253] [] warn_alloc.cold.31+0x7f/0x9c [ 1131.300262] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1131.300270] [] ? shrink_node+0x740/0x740 [ 1131.300279] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1131.300286] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1131.300295] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1131.300303] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1131.300310] [] ? find_get_entry+0x11a/0x570 [ 1131.300317] [] ? find_get_entry+0x141/0x570 [ 1131.300324] [] ? page_cache_prev_hole+0x80/0x80 [ 1131.300332] [] ? pagecache_get_page+0x131/0x710 [ 1131.300339] [] filemap_fault+0xaf1/0x1110 [ 1131.300347] [] ext4_filemap_fault+0x71/0xa0 [ 1131.300354] [] __do_fault+0x223/0x500 [ 1131.300360] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1131.300369] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1131.300376] [] handle_mm_fault+0x1326/0x2350 [ 1131.300383] [] ? vm_insert_page+0x6f0/0x6f0 [ 1131.300391] [] ? kasan_kmalloc.part.1+0xc9/0xf0 [ 1131.300399] [] __do_page_fault+0x403/0xa60 [ 1131.300407] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1131.300415] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1131.300422] [] do_page_fault+0x27/0x30 [ 1131.300430] [] page_fault+0x25/0x30 [ 1131.300436] [] ? 0xffffffff810002b8 [ 1131.300443] [] ? strncpy_from_user+0xa5/0x2e0 [ 1131.300450] [] ? strncpy_from_user+0xa7/0x2e0 [ 1131.300459] [] ? kmem_cache_alloc+0x246/0x2b0 [ 1131.300467] [] getname_flags+0x10b/0x550 [ 1131.300474] [] ? handle_mm_fault+0x54b/0x2350 [ 1131.300481] [] user_path_at_empty+0x2f/0x70 [ 1131.300489] [] vfs_fstatat+0xc6/0x170 [ 1131.300497] [] ? vfs_fstat+0x80/0x80 [ 1131.300505] [] SyS_newstat+0x86/0xf0 [ 1131.300513] [] ? SyS_fstat+0xf0/0xf0 [ 1131.300520] [] ? up_read+0x1a/0x40 [ 1131.300527] [] ? __do_page_fault+0x554/0xa60 [ 1131.300534] [] ? do_syscall_64+0x48/0x550 ** 87 printk messages dropped ** [ 1131.382291] [] ? __find_get_block_slow+0x263/0x330 ** 157 printk messages dropped ** [ 1132.852659] lowmemorykiller: Killing 'syz-executor.4' (2399) (tgid 2398), adj 1000, [ 1132.852659] to free 140kB on behalf of 'syz-executor.0' (2407) because [ 1132.852659] cache 244kB is below limit 6144kB for oom_score_adj 0 [ 1132.852659] Free memory is -13512kB above reserved ** 197 printk messages dropped ** [ 1141.280314] Normal free:5396kB min:5580kB low:9168kB high:12756kB active_anon:21924kB inactive_anon:164kB active_file:24kB inactive_file:92kB unevictable:0kB writepending:8kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16280kB slab_unreclaimable:230480kB kernel_stack:3968kB pagetables:1556kB bounce:0kB free_pcp:316kB local_pcp:216kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1141.280370] DMA32: 5*4kB (MH) 12*8kB (MEH) 13*16kB (UMEH) 19*32kB (UMEH) 10*64kB (UMEH) 9*128kB (UME) 14*256kB (UME) 12*512kB (UME) 4*1024kB (U) 1*2048kB (U) 0*4096kB = 18596kB Normal: 231*4kB (UM) 107*8kB (MEH) 78*16kB (UME) 32*32kB (UMH) 11*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5396kB 109 total pagecache pages [ 1141.280416] 0 pages in swap cache [ 1141.280420] Swap cache stats: add 0, delete 0, find 0/0 [ 1141.280422] Free swap = 0kB [ 1141.280424] Total swap = 0kB [ 1141.280426] 1965979 pages RAM [ 1141.280429] 0 pages HighMem/MovableOnly [ 1141.280431] 313617 pages reserved [ 1141.291687] syz-execprog: page allocation stalls for 110020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1141.291694] CPU: 1 PID: 2210 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1141.291708] ffff8801ca3877c0 ffffffff81b42e79 1ffff10039470efa ffff8801cc242f80 [ 1141.291719] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca387908 [ 1141.291729] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1141.291731] Call Trace: [ 1141.291743] [] dump_stack+0xc1/0x128 [ 1141.291752] [] warn_alloc.cold.31+0x7f/0x9c [ 1141.291761] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1141.291770] [] ? shrink_node+0x740/0x740 [ 1141.291779] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1141.291787] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1141.291796] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1141.291804] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1141.291811] [] ? find_get_entry+0x11a/0x570 [ 1141.291818] [] ? find_get_entry+0x141/0x570 [ 1141.291825] [] ? page_cache_prev_hole+0x80/0x80 [ 1141.291834] [] ? autoremove_wake_function+0x40/0x40 [ 1141.291841] [] ? pagecache_get_page+0x131/0x710 [ 1141.291849] [] filemap_fault+0xaf1/0x1110 [ 1141.291857] [] ext4_filemap_fault+0x71/0xa0 [ 1141.291863] [] __do_fault+0x223/0x500 [ 1141.291870] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1141.291878] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1141.291885] [] handle_mm_fault+0x1326/0x2350 [ 1141.291893] [] ? vm_insert_page+0x6f0/0x6f0 [ 1141.291900] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1141.291909] [] __do_page_fault+0x403/0xa60 [ 1141.291916] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1141.291930] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1141.291937] [] do_page_fault+0x27/0x30 [ 1141.291945] [] page_fault+0x25/0x30 [ 1141.291948] Mem-Info: [ 1141.291964] active_anon:5499 inactive_anon:41 isolated_anon:0 [ 1141.291964] active_file:8 inactive_file:51 isolated_file:0 [ 1141.291964] unevictable:0 dirty:2 writeback:0 unstable:0 [ 1141.291964] slab_reclaimable:4074 slab_unreclaimable:57669 [ 1141.291964] mapped:21 shmem:48 pagetables:390 bounce:0 [ 1141.291964] free:5998 free_pcp:169 free_cma:0 [ 1141.291977] Node 0 active_anon:21996kB inactive_anon:164kB active_file:32kB inactive_file:204kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:8kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1141.291995] DMA32 free:18596kB min:4696kB low:7712kB high:10728kB active_anon:72kB inactive_anon:0kB active_file:8kB inactive_file:112kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:196kB kernel_stack:128kB pagetables:4kB bounce:0kB free_pcp:360kB local_pcp:240kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1141.292022] Normal free:5396kB min:5580kB low:9168kB high:12756kB active_anon:21924kB inactive_anon:164kB active_file:24kB inactive_file:92kB unevictable:0kB writepending:8kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16280kB slab_unreclaimable:230480kB kernel_stack:3968kB pagetables:1556kB bounce:0kB free_pcp:316kB local_pcp:216kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1141.292076] DMA32: 5*4kB (MH) 12*8kB (MEH) 13*16kB (UMEH) 19*32kB (UMEH) 10*64kB (UMEH) 9*128kB (UME) 14*256kB (UME) 12*512kB (UME) 4*1024kB (U) 1*2048kB (U) 0*4096kB = 18596kB Normal: 231*4kB (UM) 107*8kB (MEH) 78*16kB (UME) 32*32kB (UMH) 11*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5396kB 109 total pagecache pages [ 1141.292122] 0 pages in swap cache [ 1141.292126] Swap cache stats: add 0, delete 0, find 0/0 [ 1141.292128] Free swap = 0kB [ 1141.292130] Total swap = 0kB [ 1141.292132] 1965979 pages RAM [ 1141.292134] 0 pages HighMem/MovableOnly [ 1141.292137] 313617 pages reserved [ 1141.315750] init: page allocation stalls for 110030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1141.315759] CPU: 0 PID: 1 Comm: init Not tainted 4.9.141+ #1 [ 1141.315773] ffff8801da607450 ffffffff81b42e79 1ffff1003b4c0e8c ffff8801da5f8000 [ 1141.315783] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607598 [ 1141.315793] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1141.315794] Call Trace: [ 1141.315807] [] dump_stack+0xc1/0x128 [ 1141.315815] [] warn_alloc.cold.31+0x7f/0x9c [ 1141.315824] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1141.315833] [] ? shrink_node+0x740/0x740 [ 1141.315842] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1141.315849] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1141.315858] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1141.315867] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1141.315874] [] ? find_get_entry+0x11a/0x570 [ 1141.315881] [] ? find_get_entry+0x141/0x570 [ 1141.315888] [] ? page_cache_prev_hole+0x80/0x80 [ 1141.315896] [] ? pagecache_get_page+0x131/0x710 [ 1141.315904] [] filemap_fault+0xaf1/0x1110 [ 1141.315912] [] ext4_filemap_fault+0x71/0xa0 [ 1141.315919] [] __do_fault+0x223/0x500 [ 1141.315925] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1141.315933] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1141.315940] [] handle_mm_fault+0x1326/0x2350 [ 1141.315947] [] ? vm_insert_page+0x6f0/0x6f0 [ 1141.315954] [] ? kasan_kmalloc.part.1+0xc9/0xf0 [ 1141.315963] [] __do_page_fault+0x403/0xa60 [ 1141.315971] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1141.315979] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1141.315986] [] do_page_fault+0x27/0x30 [ 1141.315994] [] page_fault+0x25/0x30 [ 1141.315999] [] ? 0xffffffff810002b8 [ 1141.316007] [] ? strncpy_from_user+0xa5/0x2e0 [ 1141.316014] [] ? strncpy_from_user+0xa7/0x2e0 [ 1141.316023] [] ? kmem_cache_alloc+0x246/0x2b0 [ 1141.316031] [] getname_flags+0x10b/0x550 [ 1141.316038] [] ? handle_mm_fault+0x54b/0x2350 [ 1141.316045] [] user_path_at_empty+0x2f/0x70 [ 1141.316054] [] vfs_fstatat+0xc6/0x170 [ 1141.316061] [] ? vfs_fstat+0x80/0x80 [ 1141.316069] [] SyS_newstat+0x86/0xf0 [ 1141.316077] [] ? SyS_fstat+0xf0/0xf0 [ 1141.316085] [] ? up_read+0x1a/0x40 [ 1141.316092] [] ? __do_page_fault+0x554/0xa60 [ 1141.316099] [] ? do_syscall_64+0x48/0x550 [ 1141.316106] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 1141.316113] [] ? SyS_fstat+0xf0/0xf0 [ 1141.316119] [] do_syscall_64+0x19f/0x550 [ 1141.316127] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 1141.316130] Mem-Info: [ 1141.316146] active_anon:5499 inactive_anon:41 isolated_anon:0 [ 1141.316146] active_file:8 inactive_file:51 isolated_file:0 [ 1141.316146] unevictable:0 dirty:2 writeback:0 unstable:0 [ 1141.316146] slab_reclaimable:4074 slab_unreclaimable:57669 [ 1141.316146] mapped:21 shmem:48 pagetables:390 bounce:0 [ 1141.316146] free:5998 free_pcp:169 free_cma:0 ** 439 printk messages dropped ** [ 1151.216648] DMA32 free:18596kB min:4696kB low:7712kB high:10728kB active_anon:72kB inactive_anon:0kB active_file:8kB inactive_file:112kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:196kB kernel_stack:128kB pagetables:4kB bounce:0kB free_pcp:360kB local_pcp:240kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1151.216674] Normal free:5396kB min:5580kB low:9168kB high:12756kB active_anon:21924kB inactive_anon:164kB active_file:24kB inactive_file:92kB unevictable:0kB writepending:8kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16280kB slab_unreclaimable:230488kB kernel_stack:3968kB pagetables:1556kB bounce:0kB free_pcp:312kB local_pcp:216kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1151.216728] DMA32: 5*4kB (MH) 12*8kB (MEH) 13*16kB (UMEH) 19*32kB (UMEH) 10*64kB (UMEH) 9*128kB (UME) 14*256kB (UME) 12*512kB (UME) 4*1024kB (U) 1*2048kB (U) 0*4096kB = 18596kB Normal: 231*4kB (UM) 107*8kB (MEH) 78*16kB (UME) 32*32kB (UMH) 11*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5396kB 109 total pagecache pages [ 1151.216774] 0 pages in swap cache [ 1151.216778] Swap cache stats: add 0, delete 0, find 0/0 [ 1151.216780] Free swap = 0kB [ 1151.216782] Total swap = 0kB [ 1151.216784] 1965979 pages RAM [ 1151.216786] 0 pages HighMem/MovableOnly [ 1151.216788] 313617 pages reserved [ 1151.301787] init: page allocation stalls for 120010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1151.301794] CPU: 0 PID: 1 Comm: init Not tainted 4.9.141+ #1 [ 1151.301809] ffff8801da607450 ffffffff81b42e79 1ffff1003b4c0e8c ffff8801da5f8000 [ 1151.301818] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607598 [ 1151.301828] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1151.301829] Call Trace: [ 1151.301844] [] dump_stack+0xc1/0x128 [ 1151.301854] [] warn_alloc.cold.31+0x7f/0x9c [ 1151.301864] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1151.301872] [] ? shrink_node+0x740/0x740 [ 1151.301881] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1151.301888] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1151.301897] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1151.301906] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1151.301913] [] ? find_get_entry+0x11a/0x570 [ 1151.301920] [] ? find_get_entry+0x141/0x570 [ 1151.301927] [] ? page_cache_prev_hole+0x80/0x80 [ 1151.301935] [] ? pagecache_get_page+0x131/0x710 [ 1151.301942] [] filemap_fault+0xaf1/0x1110 [ 1151.301952] [] ext4_filemap_fault+0x71/0xa0 [ 1151.301959] [] __do_fault+0x223/0x500 [ 1151.301966] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1151.301974] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1151.301981] [] handle_mm_fault+0x1326/0x2350 [ 1151.301988] [] ? vm_insert_page+0x6f0/0x6f0 [ 1151.301996] [] ? kasan_kmalloc.part.1+0xc9/0xf0 [ 1151.302005] [] __do_page_fault+0x403/0xa60 [ 1151.302013] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1151.302022] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1151.302029] [] do_page_fault+0x27/0x30 [ 1151.302037] [] page_fault+0x25/0x30 [ 1151.302043] [] ? 0xffffffff810002b8 [ 1151.302051] [] ? strncpy_from_user+0xa5/0x2e0 [ 1151.302058] [] ? strncpy_from_user+0xa7/0x2e0 [ 1151.302067] [] ? kmem_cache_alloc+0x246/0x2b0 [ 1151.302076] [] getname_flags+0x10b/0x550 [ 1151.302083] [] ? handle_mm_fault+0x54b/0x2350 [ 1151.302090] [] user_path_at_empty+0x2f/0x70 [ 1151.302098] [] vfs_fstatat+0xc6/0x170 [ 1151.302105] [] ? vfs_fstat+0x80/0x80 [ 1151.302113] [] SyS_newstat+0x86/0xf0 [ 1151.302120] [] ? SyS_fstat+0xf0/0xf0 [ 1151.302129] [] ? up_read+0x1a/0x40 [ 1151.302136] [] ? __do_page_fault+0x554/0xa60 [ 1151.302142] [] ? do_syscall_64+0x48/0x550 [ 1151.302150] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 1151.302157] [] ? SyS_fstat+0xf0/0xf0 [ 1151.302163] [] do_syscall_64+0x19f/0x550 [ 1151.302171] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 1151.302174] Mem-Info: [ 1151.302190] active_anon:5499 inactive_anon:41 isolated_anon:0 [ 1151.302190] active_file:8 inactive_file:51 isolated_file:0 [ 1151.302190] unevictable:0 dirty:2 writeback:0 unstable:0 [ 1151.302190] slab_reclaimable:4074 slab_unreclaimable:57671 [ 1151.302190] mapped:21 shmem:48 pagetables:390 bounce:0 [ 1151.302190] free:5998 free_pcp:168 free_cma:0 [ 1151.302203] Node 0 active_anon:21996kB inactive_anon:164kB active_file:32kB inactive_file:204kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:8kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1151.302220] DMA32 free:18596kB min:4696kB low:7712kB high:10728kB active_anon:72kB inactive_anon:0kB active_file:8kB inactive_file:112kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:196kB kernel_stack:128kB pagetables:4kB bounce:0kB free_pcp:360kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1151.302247] Normal free:5396kB min:5580kB low:9168kB high:12756kB active_anon:21924kB inactive_anon:164kB active_file:24kB inactive_file:92kB unevictable:0kB writepending:8kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16280kB slab_unreclaimable:230488kB kernel_stack:3968kB pagetables:1556kB bounce:0kB free_pcp:312kB local_pcp:96kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1151.302303] DMA32: 5*4kB (MH) 12*8kB (MEH) 13*16kB (UMEH) 19*32kB (UMEH) 10*64kB (UMEH) 9*128kB (UME) 14*256kB (UME) 12*512kB (UME) 4*1024kB (U) 1*2048kB (U) 0*4096kB = 18596kB Normal: 231*4kB (UM) 107*8kB (MEH) 78*16kB (UME) 32*32kB (UMH) 11*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5396kB 109 total pagecache pages [ 1151.302350] 0 pages in swap cache [ 1151.302354] Swap cache stats: add 0, delete 0, find 0/0 [ 1151.302356] Free swap = 0kB [ 1151.302358] Total swap = 0kB [ 1151.302360] 1965979 pages RAM [ 1151.302362] 0 pages HighMem/MovableOnly [ 1151.302365] 313617 pages reserved [ 1151.348171] syz-execprog: page allocation stalls for 120080ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1151.348179] CPU: 1 PID: 2210 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1151.348194] ffff8801ca3877c0 ffffffff81b42e79 1ffff10039470efa ffff8801cc242f80 [ 1151.348209] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca387908 [ 1151.348219] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1151.348221] Call Trace: [ 1151.348234] [] dump_stack+0xc1/0x128 [ 1151.348244] [] warn_alloc.cold.31+0x7f/0x9c [ 1151.348253] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1151.348262] [] ? shrink_node+0x740/0x740 [ 1151.348271] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1151.348279] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1151.348288] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1151.348296] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1151.348303] [] ? find_get_entry+0x11a/0x570 [ 1151.348311] [] ? find_get_entry+0x141/0x570 [ 1151.348318] [] ? page_cache_prev_hole+0x80/0x80 [ 1151.348326] [] ? autoremove_wake_function+0x40/0x40 [ 1151.348333] [] ? pagecache_get_page+0x131/0x710 [ 1151.348341] [] filemap_fault+0xaf1/0x1110 [ 1151.348349] [] ext4_filemap_fault+0x71/0xa0 [ 1151.348356] [] __do_fault+0x223/0x500 [ 1151.348362] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1151.348370] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1151.348378] [] handle_mm_fault+0x1326/0x2350 [ 1151.348385] [] ? vm_insert_page+0x6f0/0x6f0 [ 1151.348392] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1151.348401] [] __do_page_fault+0x403/0xa60 [ 1151.348409] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1151.348418] [] ? trace_hardirqs_off_thunk+0x1a/0x1c ** 36 printk messages dropped ** [ 1151.355883] [] ? __find_get_block_slow+0x263/0x330 ** 146 printk messages dropped ** [ 1151.426643] Normal: 231*4kB (UM) 107*8kB (MEH) 78*16kB (UME) 32*32kB (UMH) 11*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5396kB ** 273 printk messages dropped ** [ 1161.300382] [] do_syscall_64+0x19f/0x550 [ 1161.300390] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 1161.300394] Mem-Info: [ 1161.300410] active_anon:5499 inactive_anon:41 isolated_anon:0 [ 1161.300410] active_file:8 inactive_file:51 isolated_file:0 [ 1161.300410] unevictable:0 dirty:2 writeback:0 unstable:0 [ 1161.300410] slab_reclaimable:4074 slab_unreclaimable:57671 [ 1161.300410] mapped:21 shmem:48 pagetables:390 bounce:0 [ 1161.300410] free:5998 free_pcp:168 free_cma:0 [ 1161.300423] Node 0 active_anon:21996kB inactive_anon:164kB active_file:32kB inactive_file:204kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:8kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1161.300442] DMA32 free:18596kB min:4696kB low:7712kB high:10728kB active_anon:72kB inactive_anon:0kB active_file:8kB inactive_file:112kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:196kB kernel_stack:128kB pagetables:4kB bounce:0kB free_pcp:360kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1161.300468] Normal free:5396kB min:5580kB low:9168kB high:12756kB active_anon:21924kB inactive_anon:164kB active_file:24kB inactive_file:92kB unevictable:0kB writepending:8kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16280kB slab_unreclaimable:230488kB kernel_stack:3968kB pagetables:1556kB bounce:0kB free_pcp:312kB local_pcp:96kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1161.300523] DMA32: 5*4kB (MH) 12*8kB (MEH) 13*16kB (UMEH) 19*32kB (UMEH) 10*64kB (UMEH) 9*128kB (UME) 14*256kB (UME) 12*512kB (UME) 4*1024kB (U) 1*2048kB (U) 0*4096kB = 18596kB Normal: 231*4kB (UM) 107*8kB (MEH) 78*16kB (UME) 32*32kB (UMH) 11*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5396kB 109 total pagecache pages [ 1161.300570] 0 pages in swap cache [ 1161.300574] Swap cache stats: add 0, delete 0, find 0/0 [ 1161.300576] Free swap = 0kB [ 1161.300578] Total swap = 0kB [ 1161.300580] 1965979 pages RAM [ 1161.300582] 0 pages HighMem/MovableOnly [ 1161.300584] 313617 pages reserved [ 1161.300977] rsyslogd: page allocation stalls for 130090ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1161.300984] CPU: 1 PID: 1891 Comm: rsyslogd Not tainted 4.9.141+ #1 [ 1161.300995] ffff8801d64af7c0 ffffffff81b42e79 1ffff1003ac95efa ffff8801d3dcc740 [ 1161.301005] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d64af908 [ 1161.301015] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1161.301017] Call Trace: [ 1161.301026] [] dump_stack+0xc1/0x128 [ 1161.301034] [] warn_alloc.cold.31+0x7f/0x9c [ 1161.301042] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1161.301049] [] ? shrink_node+0x740/0x740 [ 1161.301058] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1161.301065] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1161.301074] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1161.301082] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1161.301089] [] ? find_get_entry+0x11a/0x570 [ 1161.301096] [] ? find_get_entry+0x141/0x570 [ 1161.301103] [] ? page_cache_prev_hole+0x80/0x80 [ 1161.301111] [] ? autoremove_wake_function+0x40/0x40 [ 1161.301118] [] ? pagecache_get_page+0x131/0x710 [ 1161.301126] [] filemap_fault+0xaf1/0x1110 [ 1161.301134] [] ext4_filemap_fault+0x71/0xa0 [ 1161.301140] [] __do_fault+0x223/0x500 [ 1161.301147] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1161.301155] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1161.301162] [] handle_mm_fault+0x1326/0x2350 [ 1161.301169] [] ? vm_insert_page+0x6f0/0x6f0 [ 1161.301176] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1161.301184] [] __do_page_fault+0x403/0xa60 [ 1161.301192] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1161.301200] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1161.301207] [] do_page_fault+0x27/0x30 [ 1161.301214] [] page_fault+0x25/0x30 [ 1161.301217] Mem-Info: [ 1161.301232] active_anon:5499 inactive_anon:41 isolated_anon:0 [ 1161.301232] active_file:8 inactive_file:51 isolated_file:0 [ 1161.301232] unevictable:0 dirty:2 writeback:0 unstable:0 [ 1161.301232] slab_reclaimable:4074 slab_unreclaimable:57671 [ 1161.301232] mapped:21 shmem:48 pagetables:390 bounce:0 [ 1161.301232] free:5998 free_pcp:168 free_cma:0 [ 1161.301245] Node 0 active_anon:21996kB inactive_anon:164kB active_file:32kB inactive_file:204kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:8kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1161.301262] DMA32 free:18596kB min:4696kB low:7712kB high:10728kB active_anon:72kB inactive_anon:0kB active_file:8kB inactive_file:112kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:196kB kernel_stack:128kB pagetables:4kB bounce:0kB free_pcp:360kB local_pcp:240kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1161.301288] Normal free:5396kB min:5580kB low:9168kB high:12756kB active_anon:21924kB inactive_anon:164kB active_file:24kB inactive_file:92kB unevictable:0kB writepending:8kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16280kB slab_unreclaimable:230488kB kernel_stack:3968kB pagetables:1556kB bounce:0kB free_pcp:312kB local_pcp:216kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1161.301343] DMA32: 5*4kB (MH) 12*8kB (MEH) 13*16kB (UMEH) 19*32kB (UMEH) 10*64kB (UMEH) 9*128kB (UME) 14*256kB (UME) 12*512kB (UME) 4*1024kB (U) 1*2048kB (U) 0*4096kB = 18596kB Normal: 231*4kB (UM) 107*8kB (MEH) 78*16kB (UME) 32*32kB (UMH) 11*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5396kB 109 total pagecache pages [ 1161.301389] 0 pages in swap cache [ 1161.301393] Swap cache stats: add 0, delete 0, find 0/0 [ 1161.301395] Free swap = 0kB [ 1161.301397] Total swap = 0kB [ 1161.301399] 1965979 pages RAM [ 1161.301401] 0 pages HighMem/MovableOnly [ 1161.301403] 313617 pages reserved [ 1161.336400] syz-executor.0: page allocation stalls for 130020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1161.336407] CPU: 1 PID: 2235 Comm: syz-executor.0 Not tainted 4.9.141+ #1 [ 1161.336420] ffff8801cfd5f7c0 ffffffff81b42e79 1ffff10039fabefa ffff8801c979df00 [ 1161.336430] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cfd5f908 [ 1161.336440] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1161.336442] Call Trace: [ 1161.336455] [] dump_stack+0xc1/0x128 [ 1161.336463] [] warn_alloc.cold.31+0x7f/0x9c [ 1161.336472] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1161.336481] [] ? shrink_node+0x740/0x740 [ 1161.336495] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1161.336503] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1161.336512] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1161.336520] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1161.336527] [] ? find_get_entry+0x11a/0x570 [ 1161.336535] [] ? find_get_entry+0x141/0x570 [ 1161.336542] [] ? page_cache_prev_hole+0x80/0x80 [ 1161.336550] [] ? autoremove_wake_function+0x40/0x40 [ 1161.336557] [] ? pagecache_get_page+0x131/0x710 [ 1161.336565] [] filemap_fault+0xaf1/0x1110 [ 1161.336573] [] ext4_filemap_fault+0x71/0xa0 [ 1161.336580] [] __do_fault+0x223/0x500 [ 1161.336587] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1161.336595] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1161.336602] [] handle_mm_fault+0x1326/0x2350 [ 1161.336609] [] ? vm_insert_page+0x6f0/0x6f0 [ 1161.336616] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1161.336625] [] __do_page_fault+0x403/0xa60 [ 1161.336633] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1161.336642] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1161.336649] [] do_page_fault+0x27/0x30 [ 1161.336657] [] page_fault+0x25/0x30 [ 1161.336660] Mem-Info: [ 1161.336676] active_anon:5499 inactive_anon:41 isolated_anon:0 [ 1161.336676] active_file:8 inactive_file:51 isolated_file:0 [ 1161.336676] unevictable:0 dirty:2 writeback:0 unstable:0 [ 1161.336676] slab_reclaimable:4074 slab_unreclaimable:57671 [ 1161.336676] mapped:21 shmem:48 pagetables:390 bounce:0 [ 1161.336676] free:5998 free_pcp:168 free_cma:0 ** 446 printk messages dropped ** [ 1171.232692] lowmemorykiller: Killing 'syz-executor.4' (2399) (tgid 2398), adj 1000, [ 1171.232692] to free 140kB on behalf of 'syz-executor.4' (2399) because [ 1171.232692] cache 244kB is below limit 6144kB for oom_score_adj 0 [ 1171.232692] Free memory is -13512kB above reserved [ 1171.310261] syz-execprog: page allocation stalls for 140040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1171.310270] CPU: 1 PID: 2210 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1171.310285] ffff8801ca3877c0 ffffffff81b42e79 1ffff10039470efa ffff8801cc242f80 [ 1171.310295] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca387908 [ 1171.310305] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1171.310307] Call Trace: [ 1171.310322] [] dump_stack+0xc1/0x128 [ 1171.310331] [] warn_alloc.cold.31+0x7f/0x9c [ 1171.310341] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1171.310349] [] ? shrink_node+0x740/0x740 [ 1171.310358] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1171.310367] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1171.310376] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1171.310384] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1171.310391] [] ? find_get_entry+0x11a/0x570 [ 1171.310398] [] ? find_get_entry+0x141/0x570 [ 1171.310405] [] ? page_cache_prev_hole+0x80/0x80 [ 1171.310414] [] ? autoremove_wake_function+0x40/0x40 [ 1171.310421] [] ? pagecache_get_page+0x131/0x710 [ 1171.310429] [] filemap_fault+0xaf1/0x1110 [ 1171.310438] [] ext4_filemap_fault+0x71/0xa0 [ 1171.310444] [] __do_fault+0x223/0x500 [ 1171.310451] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1171.310459] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1171.310466] [] handle_mm_fault+0x1326/0x2350 [ 1171.310474] [] ? vm_insert_page+0x6f0/0x6f0 [ 1171.310481] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1171.310490] [] __do_page_fault+0x403/0xa60 [ 1171.310498] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1171.310507] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1171.310514] [] do_page_fault+0x27/0x30 [ 1171.310521] [] page_fault+0x25/0x30 [ 1171.310525] Mem-Info: [ 1171.310541] active_anon:5499 inactive_anon:41 isolated_anon:0 [ 1171.310541] active_file:8 inactive_file:51 isolated_file:0 [ 1171.310541] unevictable:0 dirty:2 writeback:0 unstable:0 [ 1171.310541] slab_reclaimable:4074 slab_unreclaimable:57671 [ 1171.310541] mapped:21 shmem:48 pagetables:390 bounce:0 [ 1171.310541] free:5998 free_pcp:168 free_cma:0 [ 1171.310555] Node 0 active_anon:21996kB inactive_anon:164kB active_file:32kB inactive_file:204kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:8kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1171.310574] DMA32 free:18596kB min:4696kB low:7712kB high:10728kB active_anon:72kB inactive_anon:0kB active_file:8kB inactive_file:112kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:196kB kernel_stack:128kB pagetables:4kB bounce:0kB free_pcp:360kB local_pcp:240kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1171.310600] Normal free:5396kB min:5580kB low:9168kB high:12756kB active_anon:21924kB inactive_anon:164kB active_file:24kB inactive_file:92kB unevictable:0kB writepending:8kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16280kB slab_unreclaimable:230488kB kernel_stack:3968kB pagetables:1556kB bounce:0kB free_pcp:312kB local_pcp:216kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1171.310655] DMA32: 5*4kB (MH) 12*8kB (MEH) 13*16kB (UMEH) 19*32kB (UMEH) 10*64kB (UMEH) 9*128kB (UME) 14*256kB (UME) 12*512kB (UME) 4*1024kB (U) 1*2048kB (U) 0*4096kB = 18596kB Normal: 231*4kB (UM) 107*8kB (MEH) 78*16kB (UME) 32*32kB (UMH) 11*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5396kB 109 total pagecache pages [ 1171.310702] 0 pages in swap cache [ 1171.310706] Swap cache stats: add 0, delete 0, find 0/0 [ 1171.310708] Free swap = 0kB [ 1171.310711] Total swap = 0kB [ 1171.310713] 1965979 pages RAM [ 1171.310715] 0 pages HighMem/MovableOnly [ 1171.310717] 313617 pages reserved [ 1171.363002] init: page allocation stalls for 140080ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1171.363010] CPU: 0 PID: 1 Comm: init Not tainted 4.9.141+ #1 [ 1171.363024] ffff8801da607450 ffffffff81b42e79 1ffff1003b4c0e8c ffff8801da5f8000 [ 1171.363034] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607598 [ 1171.363044] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1171.363046] Call Trace: [ 1171.363059] [] dump_stack+0xc1/0x128 [ 1171.363069] [] warn_alloc.cold.31+0x7f/0x9c [ 1171.363078] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1171.363087] [] ? shrink_node+0x740/0x740 [ 1171.363096] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1171.363103] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1171.363112] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1171.363121] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1171.363128] [] ? find_get_entry+0x11a/0x570 [ 1171.363135] [] ? find_get_entry+0x141/0x570 [ 1171.363142] [] ? page_cache_prev_hole+0x80/0x80 [ 1171.363150] [] ? pagecache_get_page+0x131/0x710 [ 1171.363158] [] filemap_fault+0xaf1/0x1110 [ 1171.363166] [] ext4_filemap_fault+0x71/0xa0 [ 1171.363173] [] __do_fault+0x223/0x500 [ 1171.363180] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1171.363188] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1171.363195] [] handle_mm_fault+0x1326/0x2350 [ 1171.363202] [] ? vm_insert_page+0x6f0/0x6f0 [ 1171.363210] [] ? kasan_kmalloc.part.1+0xc9/0xf0 [ 1171.363218] [] __do_page_fault+0x403/0xa60 [ 1171.363226] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1171.363235] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1171.363242] [] do_page_fault+0x27/0x30 [ 1171.363249] [] page_fault+0x25/0x30 [ 1171.363255] [] ? 0xffffffff810002b8 [ 1171.363263] [] ? strncpy_from_user+0xa5/0x2e0 [ 1171.363276] [] ? strncpy_from_user+0xa7/0x2e0 [ 1171.363285] [] ? kmem_cache_alloc+0x246/0x2b0 [ 1171.363293] [] getname_flags+0x10b/0x550 [ 1171.363300] [] ? handle_mm_fault+0x54b/0x2350 [ 1171.363307] [] user_path_at_empty+0x2f/0x70 [ 1171.363315] [] vfs_fstatat+0xc6/0x170 [ 1171.363322] [] ? vfs_fstat+0x80/0x80 [ 1171.363330] [] SyS_newstat+0x86/0xf0 [ 1171.363337] [] ? SyS_fstat+0xf0/0xf0 [ 1171.363345] [] ? up_read+0x1a/0x40 [ 1171.363352] [] ? __do_page_fault+0x554/0xa60 [ 1171.363359] [] ? do_syscall_64+0x48/0x550 [ 1171.363366] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 1171.363374] [] ? SyS_fstat+0xf0/0xf0 [ 1171.363380] [] do_syscall_64+0x19f/0x550 [ 1171.363388] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 1171.363391] Mem-Info: [ 1171.363408] active_anon:5499 inactive_anon:41 isolated_anon:0 [ 1171.363408] active_file:8 inactive_file:51 isolated_file:0 [ 1171.363408] unevictable:0 dirty:2 writeback:0 unstable:0 [ 1171.363408] slab_reclaimable:4074 slab_unreclaimable:57671 [ 1171.363408] mapped:21 shmem:48 pagetables:390 bounce:0 [ 1171.363408] free:5998 free_pcp:168 free_cma:0 [ 1171.363420] Node 0 active_anon:21996kB inactive_anon:164kB active_file:32kB inactive_file:204kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:8kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1171.363439] DMA32 free:18596kB min:4696kB low:7712kB high:10728kB active_anon:72kB inactive_anon:0kB active_file:8kB inactive_file:112kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:196kB kernel_stack:128kB pagetables:4kB bounce:0kB free_pcp:360kB local_pcp:120kB free_cma:0kB ** 183 printk messages dropped ** [ 1171.421927] 313617 pages reserved ** 155 printk messages dropped ** [ 1181.200499] lowmem_reserve[]: 0 3505 3505 ** 98 printk messages dropped ** [ 1181.235240] lowmem_reserve[]: 0 3505 3505 [ 1181.235258] Normal free:5396kB min:5580kB low:9168kB high:12756kB active_anon:21924kB inactive_anon:164kB active_file:24kB inactive_file:92kB unevictable:0kB writepending:8kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16280kB slab_unreclaimable:230492kB kernel_stack:3968kB pagetables:1556kB bounce:0kB free_pcp:308kB local_pcp:212kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1181.235311] DMA32: 5*4kB (MH) 12*8kB (MEH) 13*16kB (UMEH) 19*32kB (UMEH) 10*64kB (UMEH) 9*128kB (UME) 14*256kB (UME) 12*512kB (UME) 4*1024kB (U) 1*2048kB (U) 0*4096kB = 18596kB Normal: 231*4kB (UM) 107*8kB (MEH) 78*16kB (UME) 32*32kB (UMH) 11*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5396kB 109 total pagecache pages [ 1181.235357] 0 pages in swap cache [ 1181.235361] Swap cache stats: add 0, delete 0, find 0/0 [ 1181.235363] Free swap = 0kB [ 1181.235365] Total swap = 0kB [ 1181.235368] 1965979 pages RAM [ 1181.235370] 0 pages HighMem/MovableOnly [ 1181.235372] 313617 pages reserved [ 1181.280297] syz-execprog: page allocation stalls for 150010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1181.280305] CPU: 1 PID: 2210 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1181.280321] ffff8801ca3877c0 ffffffff81b42e79 1ffff10039470efa ffff8801cc242f80 [ 1181.280331] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca387908 [ 1181.280341] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1181.280343] Call Trace: [ 1181.280356] [] dump_stack+0xc1/0x128 [ 1181.280365] [] warn_alloc.cold.31+0x7f/0x9c [ 1181.280374] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1181.280383] [] ? shrink_node+0x740/0x740 [ 1181.280392] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1181.280400] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1181.280409] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1181.280417] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1181.280424] [] ? find_get_entry+0x11a/0x570 [ 1181.280431] [] ? find_get_entry+0x141/0x570 [ 1181.280439] [] ? page_cache_prev_hole+0x80/0x80 [ 1181.280447] [] ? autoremove_wake_function+0x40/0x40 [ 1181.280454] [] ? pagecache_get_page+0x131/0x710 [ 1181.280462] [] filemap_fault+0xaf1/0x1110 [ 1181.280470] [] ext4_filemap_fault+0x71/0xa0 [ 1181.280477] [] __do_fault+0x223/0x500 [ 1181.280483] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1181.280492] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1181.280499] [] handle_mm_fault+0x1326/0x2350 [ 1181.280506] [] ? vm_insert_page+0x6f0/0x6f0 [ 1181.280513] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1181.280522] [] __do_page_fault+0x403/0xa60 [ 1181.280530] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1181.280538] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1181.280545] [] do_page_fault+0x27/0x30 [ 1181.280553] [] page_fault+0x25/0x30 [ 1181.280556] Mem-Info: [ 1181.280573] active_anon:5499 inactive_anon:41 isolated_anon:0 [ 1181.280573] active_file:8 inactive_file:51 isolated_file:0 [ 1181.280573] unevictable:0 dirty:2 writeback:0 unstable:0 [ 1181.280573] slab_reclaimable:4074 slab_unreclaimable:57672 [ 1181.280573] mapped:21 shmem:48 pagetables:390 bounce:0 [ 1181.280573] free:5998 free_pcp:167 free_cma:0 [ 1181.280586] Node 0 active_anon:21996kB inactive_anon:164kB active_file:32kB inactive_file:204kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:8kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1181.280604] DMA32 free:18596kB min:4696kB low:7712kB high:10728kB active_anon:72kB inactive_anon:0kB active_file:8kB inactive_file:112kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:196kB kernel_stack:128kB pagetables:4kB bounce:0kB free_pcp:360kB local_pcp:240kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1181.280630] Normal free:5396kB min:5580kB low:9168kB high:12756kB active_anon:21924kB inactive_anon:164kB active_file:24kB inactive_file:92kB unevictable:0kB writepending:8kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16280kB slab_unreclaimable:230492kB kernel_stack:3968kB pagetables:1556kB bounce:0kB free_pcp:308kB local_pcp:212kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1181.280685] DMA32: 5*4kB (MH) 12*8kB (MEH) 13*16kB (UMEH) 19*32kB (UMEH) 10*64kB (UMEH) 9*128kB (UME) 14*256kB (UME) 12*512kB (UME) 4*1024kB (U) 1*2048kB (U) 0*4096kB = 18596kB Normal: 231*4kB (UM) 107*8kB (MEH) 78*16kB (UME) 32*32kB (UMH) 11*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5396kB 109 total pagecache pages [ 1181.280731] 0 pages in swap cache [ 1181.280735] Swap cache stats: add 0, delete 0, find 0/0 [ 1181.280737] Free swap = 0kB [ 1181.280739] Total swap = 0kB [ 1181.280742] 1965979 pages RAM [ 1181.280744] 0 pages HighMem/MovableOnly [ 1181.280746] 313617 pages reserved [ 1181.306638] init: page allocation stalls for 150020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1181.306645] CPU: 0 PID: 1 Comm: init Not tainted 4.9.141+ #1 [ 1181.306658] ffff8801da607450 ffffffff81b42e79 1ffff1003b4c0e8c ffff8801da5f8000 [ 1181.306667] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607598 [ 1181.306676] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1181.306678] Call Trace: [ 1181.306689] [] dump_stack+0xc1/0x128 [ 1181.306697] [] warn_alloc.cold.31+0x7f/0x9c [ 1181.306706] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1181.306714] [] ? shrink_node+0x740/0x740 [ 1181.306722] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1181.306729] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1181.306737] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1181.306744] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1181.306751] [] ? find_get_entry+0x11a/0x570 [ 1181.306757] [] ? find_get_entry+0x141/0x570 [ 1181.306763] [] ? page_cache_prev_hole+0x80/0x80 [ 1181.306770] [] ? pagecache_get_page+0x131/0x710 [ 1181.306777] [] filemap_fault+0xaf1/0x1110 [ 1181.306784] [] ext4_filemap_fault+0x71/0xa0 [ 1181.306791] [] __do_fault+0x223/0x500 [ 1181.306797] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1181.306804] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1181.306810] [] handle_mm_fault+0x1326/0x2350 [ 1181.306817] [] ? vm_insert_page+0x6f0/0x6f0 [ 1181.306824] [] ? kasan_kmalloc.part.1+0xc9/0xf0 [ 1181.306832] [] __do_page_fault+0x403/0xa60 [ 1181.306839] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1181.306847] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1181.306853] [] do_page_fault+0x27/0x30 [ 1181.306861] [] page_fault+0x25/0x30 [ 1181.306867] [] ? 0xffffffff810002b8 [ 1181.306873] [] ? strncpy_from_user+0xa5/0x2e0 [ 1181.306880] [] ? strncpy_from_user+0xa7/0x2e0 [ 1181.306887] [] ? kmem_cache_alloc+0x246/0x2b0 [ 1181.306894] [] getname_flags+0x10b/0x550 [ 1181.306901] [] ? handle_mm_fault+0x54b/0x2350 [ 1181.306907] [] user_path_at_empty+0x2f/0x70 [ 1181.306915] [] vfs_fstatat+0xc6/0x170 [ 1181.306922] [] ? vfs_fstat+0x80/0x80 [ 1181.306929] [] SyS_newstat+0x86/0xf0 [ 1181.306936] [] ? SyS_fstat+0xf0/0xf0 [ 1181.306943] [] ? up_read+0x1a/0x40 [ 1181.306949] [] ? __do_page_fault+0x554/0xa60 [ 1181.306955] [] ? do_syscall_64+0x48/0x550 [ 1181.306962] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 1181.306968] [] ? SyS_fstat+0xf0/0xf0 [ 1181.306974] [] do_syscall_64+0x19f/0x550 [ 1181.306981] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 1181.306984] Mem-Info: [ 1181.306999] active_anon:5499 inactive_anon:41 isolated_anon:0 [ 1181.306999] active_file:8 inactive_file:51 isolated_file:0 [ 1181.306999] unevictable:0 dirty:2 writeback:0 unstable:0 [ 1181.306999] slab_reclaimable:4074 slab_unreclaimable:57672 [ 1181.306999] mapped:21 shmem:48 pagetables:390 bounce:0 [ 1181.306999] free:5998 free_pcp:167 free_cma:0 ** 435 printk messages dropped ** [ 1191.237974] Node 0 active_anon:21996kB inactive_anon:164kB active_file:32kB inactive_file:204kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:8kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes ** 1 printk messages dropped ** [ 1191.238000] lowmem_reserve[]: 0 3505 3505 [ 1191.238018] Normal free:5396kB min:5580kB low:9168kB high:12756kB active_anon:21924kB inactive_anon:164kB active_file:24kB inactive_file:92kB unevictable:0kB writepending:8kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16280kB slab_unreclaimable:230492kB kernel_stack:3968kB pagetables:1556kB bounce:0kB free_pcp:308kB local_pcp:212kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1191.238073] DMA32: 5*4kB (MH) 12*8kB (MEH) 13*16kB (UMEH) 19*32kB (UMEH) 10*64kB (UMEH) 9*128kB (UME) 14*256kB (UME) 12*512kB (UME) 4*1024kB (U) 1*2048kB (U) 0*4096kB = 18596kB Normal: 231*4kB (UM) 107*8kB (MEH) 78*16kB (UME) 32*32kB (UMH) 11*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5396kB 109 total pagecache pages [ 1191.238119] 0 pages in swap cache [ 1191.238123] Swap cache stats: add 0, delete 0, find 0/0 [ 1191.238125] Free swap = 0kB [ 1191.238127] Total swap = 0kB [ 1191.238129] 1965979 pages RAM [ 1191.238131] 0 pages HighMem/MovableOnly [ 1191.238134] 313617 pages reserved [ 1191.279570] syz-execprog: page allocation stalls for 160010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1191.279579] CPU: 1 PID: 2210 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1191.279593] ffff8801ca3877c0 ffffffff81b42e79 1ffff10039470efa ffff8801cc242f80 [ 1191.279603] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca387908 [ 1191.279613] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1191.279615] Call Trace: [ 1191.279628] [] dump_stack+0xc1/0x128 [ 1191.279638] [] warn_alloc.cold.31+0x7f/0x9c [ 1191.279647] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1191.279656] [] ? shrink_node+0x740/0x740 [ 1191.279665] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1191.279673] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1191.279682] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1191.279690] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1191.279698] [] ? find_get_entry+0x11a/0x570 [ 1191.279705] [] ? find_get_entry+0x141/0x570 [ 1191.279712] [] ? page_cache_prev_hole+0x80/0x80 [ 1191.279721] [] ? autoremove_wake_function+0x40/0x40 [ 1191.279728] [] ? pagecache_get_page+0x131/0x710 [ 1191.279736] [] filemap_fault+0xaf1/0x1110 [ 1191.279744] [] ext4_filemap_fault+0x71/0xa0 [ 1191.279751] [] __do_fault+0x223/0x500 [ 1191.279758] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1191.279766] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1191.279773] [] handle_mm_fault+0x1326/0x2350 [ 1191.279780] [] ? vm_insert_page+0x6f0/0x6f0 [ 1191.279787] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1191.279796] [] __do_page_fault+0x403/0xa60 [ 1191.279804] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1191.279813] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1191.279820] [] do_page_fault+0x27/0x30 [ 1191.279827] [] page_fault+0x25/0x30 [ 1191.279830] Mem-Info: [ 1191.279846] active_anon:5499 inactive_anon:41 isolated_anon:0 [ 1191.279846] active_file:8 inactive_file:51 isolated_file:0 [ 1191.279846] unevictable:0 dirty:2 writeback:0 unstable:0 [ 1191.279846] slab_reclaimable:4074 slab_unreclaimable:57672 [ 1191.279846] mapped:21 shmem:48 pagetables:390 bounce:0 [ 1191.279846] free:5998 free_pcp:167 free_cma:0 [ 1191.279859] Node 0 active_anon:21996kB inactive_anon:164kB active_file:32kB inactive_file:204kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:8kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1191.279877] DMA32 free:18596kB min:4696kB low:7712kB high:10728kB active_anon:72kB inactive_anon:0kB active_file:8kB inactive_file:112kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:196kB kernel_stack:128kB pagetables:4kB bounce:0kB free_pcp:360kB local_pcp:240kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1191.279903] Normal free:5396kB min:5580kB low:9168kB high:12756kB active_anon:21924kB inactive_anon:164kB active_file:24kB inactive_file:92kB unevictable:0kB writepending:8kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16280kB slab_unreclaimable:230492kB kernel_stack:3968kB pagetables:1556kB bounce:0kB free_pcp:308kB local_pcp:212kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1191.279963] DMA32: 5*4kB (MH) 12*8kB (MEH) 13*16kB (UMEH) 19*32kB (UMEH) 10*64kB (UMEH) 9*128kB (UME) 14*256kB (UME) 12*512kB (UME) 4*1024kB (U) 1*2048kB (U) 0*4096kB = 18596kB Normal: 231*4kB (UM) 107*8kB (MEH) 78*16kB (UME) 32*32kB (UMH) 11*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5396kB 109 total pagecache pages [ 1191.280009] 0 pages in swap cache [ 1191.280013] Swap cache stats: add 0, delete 0, find 0/0 [ 1191.280015] Free swap = 0kB [ 1191.280017] Total swap = 0kB [ 1191.280019] 1965979 pages RAM [ 1191.280021] 0 pages HighMem/MovableOnly [ 1191.280024] 313617 pages reserved [ 1191.330199] init: page allocation stalls for 160040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1191.330206] CPU: 0 PID: 1 Comm: init Not tainted 4.9.141+ #1 [ 1191.330220] ffff8801da607450 ffffffff81b42e79 1ffff1003b4c0e8c ffff8801da5f8000 [ 1191.330230] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607598 [ 1191.330240] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1191.330242] Call Trace: [ 1191.330256] [] dump_stack+0xc1/0x128 [ 1191.330265] [] warn_alloc.cold.31+0x7f/0x9c [ 1191.330275] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1191.330284] [] ? shrink_node+0x740/0x740 [ 1191.330292] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1191.330300] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1191.330309] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1191.330317] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1191.330325] [] ? find_get_entry+0x11a/0x570 [ 1191.330332] [] ? find_get_entry+0x141/0x570 [ 1191.330338] [] ? page_cache_prev_hole+0x80/0x80 [ 1191.330346] [] ? pagecache_get_page+0x131/0x710 [ 1191.330354] [] filemap_fault+0xaf1/0x1110 [ 1191.330362] [] ext4_filemap_fault+0x71/0xa0 [ 1191.330369] [] __do_fault+0x223/0x500 [ 1191.330376] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1191.330384] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1191.330391] [] handle_mm_fault+0x1326/0x2350 [ 1191.330398] [] ? vm_insert_page+0x6f0/0x6f0 [ 1191.330405] [] ? kasan_kmalloc.part.1+0xc9/0xf0 [ 1191.330415] [] __do_page_fault+0x403/0xa60 [ 1191.330422] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1191.330431] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1191.330438] [] do_page_fault+0x27/0x30 [ 1191.330446] [] page_fault+0x25/0x30 [ 1191.330453] [] ? 0xffffffff810002b8 [ 1191.330460] [] ? strncpy_from_user+0xa5/0x2e0 [ 1191.330467] [] ? strncpy_from_user+0xa7/0x2e0 [ 1191.330476] [] ? kmem_cache_alloc+0x246/0x2b0 [ 1191.330483] [] getname_flags+0x10b/0x550 [ 1191.330490] [] ? handle_mm_fault+0x54b/0x2350 [ 1191.330498] [] user_path_at_empty+0x2f/0x70 [ 1191.330506] [] vfs_fstatat+0xc6/0x170 [ 1191.330513] [] ? vfs_fstat+0x80/0x80 [ 1191.330521] [] SyS_newstat+0x86/0xf0 [ 1191.330528] [] ? SyS_fstat+0xf0/0xf0 [ 1191.330537] [] ? up_read+0x1a/0x40 [ 1191.330544] [] ? __do_page_fault+0x554/0xa60 [ 1191.330551] [] ? do_syscall_64+0x48/0x550 [ 1191.330558] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 1191.330565] [] ? SyS_fstat+0xf0/0xf0 [ 1191.330572] [] do_syscall_64+0x19f/0x550 ** 43 printk messages dropped ** [ 1191.334491] [] ? vm_insert_page+0x6f0/0x6f0 ** 97 printk messages dropped ** [ 1191.411627] ffff8801cf64f7c0 ffffffff81b42e79 1ffff10039ec9efa ffff8801caf12f80 ** 140 printk messages dropped ** [ 1201.132258] [] __do_page_fault+0x403/0xa60 ** 160 printk messages dropped ** [ 1201.246876] Normal: 231*4kB (UM) 107*8kB (MEH) 78*16kB (UME) 32*32kB (UMH) 11*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5396kB 109 total pagecache pages [ 1201.246881] 0 pages in swap cache [ 1201.246884] Swap cache stats: add 0, delete 0, find 0/0 [ 1201.246887] Free swap = 0kB [ 1201.246889] Total swap = 0kB [ 1201.246891] 1965979 pages RAM [ 1201.246893] 0 pages HighMem/MovableOnly [ 1201.246895] 313617 pages reserved [ 1201.277966] syz-execprog: page allocation stalls for 170010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1201.277974] CPU: 1 PID: 2210 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1201.277988] ffff8801ca3877c0 ffffffff81b42e79 1ffff10039470efa ffff8801cc242f80 [ 1201.277998] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca387908 [ 1201.278008] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1201.278009] Call Trace: [ 1201.278023] [] dump_stack+0xc1/0x128 [ 1201.278032] [] warn_alloc.cold.31+0x7f/0x9c [ 1201.278040] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1201.278048] [] ? shrink_node+0x740/0x740 [ 1201.278058] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1201.278065] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1201.278074] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1201.278083] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1201.278090] [] ? find_get_entry+0x11a/0x570 [ 1201.278097] [] ? find_get_entry+0x141/0x570 [ 1201.278104] [] ? page_cache_prev_hole+0x80/0x80 [ 1201.278112] [] ? autoremove_wake_function+0x40/0x40 [ 1201.278120] [] ? pagecache_get_page+0x131/0x710 [ 1201.278127] [] filemap_fault+0xaf1/0x1110 [ 1201.278135] [] ext4_filemap_fault+0x71/0xa0 [ 1201.278142] [] __do_fault+0x223/0x500 [ 1201.278149] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1201.278157] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1201.278164] [] handle_mm_fault+0x1326/0x2350 [ 1201.278171] [] ? vm_insert_page+0x6f0/0x6f0 [ 1201.278179] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1201.278187] [] __do_page_fault+0x403/0xa60 [ 1201.278195] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1201.278205] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1201.278211] [] do_page_fault+0x27/0x30 [ 1201.278220] [] page_fault+0x25/0x30 [ 1201.278223] Mem-Info: [ 1201.278239] active_anon:5499 inactive_anon:41 isolated_anon:0 [ 1201.278239] active_file:8 inactive_file:51 isolated_file:0 [ 1201.278239] unevictable:0 dirty:2 writeback:0 unstable:0 [ 1201.278239] slab_reclaimable:4074 slab_unreclaimable:57672 [ 1201.278239] mapped:21 shmem:48 pagetables:390 bounce:0 [ 1201.278239] free:5998 free_pcp:167 free_cma:0 [ 1201.278251] Node 0 active_anon:21996kB inactive_anon:164kB active_file:32kB inactive_file:204kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:8kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1201.278269] DMA32 free:18596kB min:4696kB low:7712kB high:10728kB active_anon:72kB inactive_anon:0kB active_file:8kB inactive_file:112kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:196kB kernel_stack:128kB pagetables:4kB bounce:0kB free_pcp:360kB local_pcp:240kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1201.278296] Normal free:5396kB min:5580kB low:9168kB high:12756kB active_anon:21924kB inactive_anon:164kB active_file:24kB inactive_file:92kB unevictable:0kB writepending:8kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16280kB slab_unreclaimable:230492kB kernel_stack:3968kB pagetables:1556kB bounce:0kB free_pcp:308kB local_pcp:212kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1201.278350] DMA32: 5*4kB (MH) 12*8kB (MEH) 13*16kB (UMEH) 19*32kB (UMEH) 10*64kB (UMEH) 9*128kB (UME) 14*256kB (UME) 12*512kB (UME) 4*1024kB (U) 1*2048kB (U) 0*4096kB = 18596kB Normal: 231*4kB (UM) 107*8kB (MEH) 78*16kB (UME) 32*32kB (UMH) 11*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5396kB 109 total pagecache pages [ 1201.278397] 0 pages in swap cache [ 1201.278401] Swap cache stats: add 0, delete 0, find 0/0 [ 1201.278403] Free swap = 0kB [ 1201.278406] Total swap = 0kB [ 1201.278408] 1965979 pages RAM [ 1201.278410] 0 pages HighMem/MovableOnly [ 1201.278412] 313617 pages reserved [ 1201.296705] init: page allocation stalls for 170010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1201.296712] CPU: 1 PID: 1 Comm: init Not tainted 4.9.141+ #1 [ 1201.296726] ffff8801da607450 ffffffff81b42e79 1ffff1003b4c0e8c ffff8801da5f8000 [ 1201.296736] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607598 [ 1201.296746] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1201.296748] Call Trace: [ 1201.296759] [] dump_stack+0xc1/0x128 [ 1201.296768] [] warn_alloc.cold.31+0x7f/0x9c [ 1201.296776] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1201.296784] [] ? shrink_node+0x740/0x740 [ 1201.296793] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1201.296801] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1201.296810] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1201.296818] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1201.296826] [] ? find_get_entry+0x11a/0x570 [ 1201.296833] [] ? find_get_entry+0x141/0x570 [ 1201.296840] [] ? page_cache_prev_hole+0x80/0x80 [ 1201.296848] [] ? pagecache_get_page+0x131/0x710 [ 1201.296855] [] filemap_fault+0xaf1/0x1110 [ 1201.296863] [] ext4_filemap_fault+0x71/0xa0 [ 1201.296870] [] __do_fault+0x223/0x500 [ 1201.296877] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1201.296885] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1201.296892] [] handle_mm_fault+0x1326/0x2350 [ 1201.296899] [] ? vm_insert_page+0x6f0/0x6f0 [ 1201.296907] [] ? kasan_kmalloc.part.1+0xc9/0xf0 [ 1201.296915] [] __do_page_fault+0x403/0xa60 [ 1201.296923] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1201.296932] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1201.296939] [] do_page_fault+0x27/0x30 [ 1201.296946] [] page_fault+0x25/0x30 [ 1201.296952] [] ? 0xffffffff810002b8 [ 1201.296960] [] ? strncpy_from_user+0xa5/0x2e0 [ 1201.296967] [] ? strncpy_from_user+0xa7/0x2e0 [ 1201.296975] [] ? kmem_cache_alloc+0x246/0x2b0 [ 1201.296983] [] getname_flags+0x10b/0x550 [ 1201.296990] [] ? handle_mm_fault+0x54b/0x2350 [ 1201.296998] [] user_path_at_empty+0x2f/0x70 [ 1201.297005] [] vfs_fstatat+0xc6/0x170 [ 1201.297013] [] ? vfs_fstat+0x80/0x80 [ 1201.297021] [] SyS_newstat+0x86/0xf0 [ 1201.297028] [] ? SyS_fstat+0xf0/0xf0 [ 1201.297036] [] ? up_read+0x1a/0x40 [ 1201.297043] [] ? __do_page_fault+0x554/0xa60 [ 1201.297049] [] ? do_syscall_64+0x48/0x550 [ 1201.297057] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 1201.297064] [] ? SyS_fstat+0xf0/0xf0 [ 1201.297070] [] do_syscall_64+0x19f/0x550 [ 1201.297079] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 1201.297082] Mem-Info: [ 1201.297097] active_anon:5499 inactive_anon:41 isolated_anon:0 [ 1201.297097] active_file:8 inactive_file:51 isolated_file:0 [ 1201.297097] unevictable:0 dirty:2 writeback:0 unstable:0 [ 1201.297097] slab_reclaimable:4074 slab_unreclaimable:57672 [ 1201.297097] mapped:21 shmem:48 pagetables:390 bounce:0 [ 1201.297097] free:5998 free_pcp:167 free_cma:0 [ 1201.297110] Node 0 active_anon:21996kB inactive_anon:164kB active_file:32kB inactive_file:204kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:8kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1201.297128] DMA32 free:18596kB min:4696kB low:7712kB high:10728kB active_anon:72kB inactive_anon:0kB active_file:8kB inactive_file:112kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:196kB kernel_stack:128kB pagetables:4kB bounce:0kB free_pcp:360kB local_pcp:240kB free_cma:0kB ** 440 printk messages dropped ** [ 1211.243462] 109 total pagecache pages [ 1211.243464] 0 pages in swap cache [ 1211.243468] Swap cache stats: add 0, delete 0, find 0/0 [ 1211.243470] Free swap = 0kB [ 1211.243472] Total swap = 0kB [ 1211.243475] 1965979 pages RAM [ 1211.243477] 0 pages HighMem/MovableOnly [ 1211.243479] 313617 pages reserved [ 1211.287828] syz-execprog: page allocation stalls for 180020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1211.287837] CPU: 0 PID: 2210 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1211.287850] ffff8801ca3877c0 ffffffff81b42e79 1ffff10039470efa ffff8801cc242f80 [ 1211.287860] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca387908 [ 1211.287870] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1211.287872] Call Trace: [ 1211.287885] [] dump_stack+0xc1/0x128 [ 1211.287894] [] warn_alloc.cold.31+0x7f/0x9c [ 1211.287903] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1211.287911] [] ? shrink_node+0x740/0x740 [ 1211.287920] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1211.287928] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1211.287937] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1211.287945] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1211.287952] [] ? find_get_entry+0x11a/0x570 [ 1211.287960] [] ? find_get_entry+0x141/0x570 [ 1211.287966] [] ? page_cache_prev_hole+0x80/0x80 [ 1211.287974] [] ? autoremove_wake_function+0x40/0x40 [ 1211.287981] [] ? pagecache_get_page+0x131/0x710 [ 1211.287989] [] filemap_fault+0xaf1/0x1110 [ 1211.287996] [] ext4_filemap_fault+0x71/0xa0 [ 1211.288004] [] __do_fault+0x223/0x500 [ 1211.288010] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1211.288018] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1211.288025] [] handle_mm_fault+0x1326/0x2350 [ 1211.288032] [] ? vm_insert_page+0x6f0/0x6f0 [ 1211.288039] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1211.288048] [] __do_page_fault+0x403/0xa60 [ 1211.288056] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1211.288065] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1211.288072] [] do_page_fault+0x27/0x30 [ 1211.288080] [] page_fault+0x25/0x30 [ 1211.288083] Mem-Info: [ 1211.288100] active_anon:5499 inactive_anon:41 isolated_anon:0 [ 1211.288100] active_file:8 inactive_file:51 isolated_file:0 [ 1211.288100] unevictable:0 dirty:2 writeback:0 unstable:0 [ 1211.288100] slab_reclaimable:4074 slab_unreclaimable:57672 [ 1211.288100] mapped:21 shmem:48 pagetables:390 bounce:0 [ 1211.288100] free:5998 free_pcp:167 free_cma:0 [ 1211.288114] Node 0 active_anon:21996kB inactive_anon:164kB active_file:32kB inactive_file:204kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:8kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1211.288132] DMA32 free:18596kB min:4696kB low:7712kB high:10728kB active_anon:72kB inactive_anon:0kB active_file:8kB inactive_file:112kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:196kB kernel_stack:128kB pagetables:4kB bounce:0kB free_pcp:360kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1211.288159] Normal free:5396kB min:5580kB low:9168kB high:12756kB active_anon:21924kB inactive_anon:164kB active_file:24kB inactive_file:92kB unevictable:0kB writepending:8kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16280kB slab_unreclaimable:230492kB kernel_stack:3968kB pagetables:1556kB bounce:0kB free_pcp:308kB local_pcp:96kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1211.288213] DMA32: 5*4kB (MH) 12*8kB (MEH) 13*16kB (UMEH) 19*32kB (UMEH) 10*64kB (UMEH) 9*128kB (UME) 14*256kB (UME) 12*512kB (UME) 4*1024kB (U) 1*2048kB (U) 0*4096kB = 18596kB Normal: 231*4kB (UM) 107*8kB (MEH) 78*16kB (UME) 32*32kB (UMH) 11*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5396kB 109 total pagecache pages [ 1211.288259] 0 pages in swap cache [ 1211.288263] Swap cache stats: add 0, delete 0, find 0/0 [ 1211.288265] Free swap = 0kB [ 1211.288267] Total swap = 0kB [ 1211.288270] 1965979 pages RAM [ 1211.288272] 0 pages HighMem/MovableOnly [ 1211.288274] 313617 pages reserved [ 1211.296462] init: page allocation stalls for 180010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1211.296469] CPU: 1 PID: 1 Comm: init Not tainted 4.9.141+ #1 [ 1211.296481] ffff8801da607450 ffffffff81b42e79 1ffff1003b4c0e8c ffff8801da5f8000 [ 1211.296491] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607598 [ 1211.296501] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1211.296503] Call Trace: [ 1211.296513] [] dump_stack+0xc1/0x128 [ 1211.296521] [] warn_alloc.cold.31+0x7f/0x9c [ 1211.296529] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1211.296537] [] ? shrink_node+0x740/0x740 [ 1211.296546] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1211.296553] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1211.296562] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1211.296570] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1211.296577] [] ? find_get_entry+0x11a/0x570 [ 1211.296584] [] ? find_get_entry+0x141/0x570 [ 1211.296591] [] ? page_cache_prev_hole+0x80/0x80 [ 1211.296599] [] ? pagecache_get_page+0x131/0x710 [ 1211.296606] [] filemap_fault+0xaf1/0x1110 [ 1211.296614] [] ext4_filemap_fault+0x71/0xa0 [ 1211.296621] [] __do_fault+0x223/0x500 [ 1211.296627] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1211.296636] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1211.296643] [] handle_mm_fault+0x1326/0x2350 [ 1211.296650] [] ? vm_insert_page+0x6f0/0x6f0 [ 1211.296657] [] ? kasan_kmalloc.part.1+0xc9/0xf0 [ 1211.296666] [] __do_page_fault+0x403/0xa60 [ 1211.296673] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1211.296682] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1211.296689] [] do_page_fault+0x27/0x30 [ 1211.296696] [] page_fault+0x25/0x30 [ 1211.296702] [] ? 0xffffffff810002b8 [ 1211.296709] [] ? strncpy_from_user+0xa5/0x2e0 [ 1211.296717] [] ? strncpy_from_user+0xa7/0x2e0 [ 1211.296725] [] ? kmem_cache_alloc+0x246/0x2b0 [ 1211.296733] [] getname_flags+0x10b/0x550 [ 1211.296740] [] ? handle_mm_fault+0x54b/0x2350 [ 1211.296748] [] user_path_at_empty+0x2f/0x70 [ 1211.296756] [] vfs_fstatat+0xc6/0x170 [ 1211.296763] [] ? vfs_fstat+0x80/0x80 [ 1211.296771] [] SyS_newstat+0x86/0xf0 [ 1211.296779] [] ? SyS_fstat+0xf0/0xf0 [ 1211.296786] [] ? up_read+0x1a/0x40 [ 1211.296793] [] ? __do_page_fault+0x554/0xa60 [ 1211.296800] [] ? do_syscall_64+0x48/0x550 [ 1211.296807] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 1211.296815] [] ? SyS_fstat+0xf0/0xf0 [ 1211.296821] [] do_syscall_64+0x19f/0x550 [ 1211.296829] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 1211.296832] Mem-Info: [ 1211.296848] active_anon:5499 inactive_anon:41 isolated_anon:0 [ 1211.296848] active_file:8 inactive_file:51 isolated_file:0 [ 1211.296848] unevictable:0 dirty:2 writeback:0 unstable:0 [ 1211.296848] slab_reclaimable:4074 slab_unreclaimable:57672 [ 1211.296848] mapped:21 shmem:48 pagetables:390 bounce:0 [ 1211.296848] free:5998 free_pcp:167 free_cma:0 [ 1211.296861] Node 0 active_anon:21996kB inactive_anon:164kB active_file:32kB inactive_file:204kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:8kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1211.296879] DMA32 free:18596kB min:4696kB low:7712kB high:10728kB active_anon:72kB inactive_anon:0kB active_file:8kB inactive_file:112kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:196kB kernel_stack:128kB pagetables:4kB bounce:0kB free_pcp:360kB local_pcp:240kB free_cma:0kB ** 138 printk messages dropped ** [ 1211.393711] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 ** 249 printk messages dropped ** [ 1221.210492] DMA32 free:18596kB min:4696kB low:7712kB high:10728kB active_anon:72kB inactive_anon:0kB active_file:8kB inactive_file:112kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:196kB kernel_stack:128kB pagetables:4kB bounce:0kB free_pcp:360kB local_pcp:120kB free_cma:0kB ** 48 printk messages dropped ** [ 1221.230420] DMA32 free:18596kB min:4696kB low:7712kB high:10728kB active_anon:72kB inactive_anon:0kB active_file:8kB inactive_file:112kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:196kB kernel_stack:128kB pagetables:4kB bounce:0kB free_pcp:360kB local_pcp:240kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1221.230446] Normal free:5396kB min:5580kB low:9168kB high:12756kB active_anon:21924kB inactive_anon:164kB active_file:24kB inactive_file:92kB unevictable:0kB writepending:8kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16280kB slab_unreclaimable:230492kB kernel_stack:3968kB pagetables:1556kB bounce:0kB free_pcp:308kB local_pcp:212kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1221.230501] DMA32: 5*4kB (MH) 12*8kB (MEH) 13*16kB (UMEH) 19*32kB (UMEH) 10*64kB (UMEH) 9*128kB (UME) 14*256kB (UME) 12*512kB (UME) 4*1024kB (U) 1*2048kB (U) 0*4096kB = 18596kB Normal: 231*4kB (UM) 107*8kB (MEH) 78*16kB (UME) 32*32kB (UMH) 11*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5396kB 109 total pagecache pages [ 1221.230547] 0 pages in swap cache [ 1221.230551] Swap cache stats: add 0, delete 0, find 0/0 [ 1221.230553] Free swap = 0kB [ 1221.230555] Total swap = 0kB [ 1221.230558] 1965979 pages RAM [ 1221.230560] 0 pages HighMem/MovableOnly [ 1221.230562] 313617 pages reserved [ 1221.274552] syz-execprog: page allocation stalls for 190010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1221.274559] CPU: 0 PID: 2210 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1221.274574] ffff8801ca3877c0 ffffffff81b42e79 1ffff10039470efa ffff8801cc242f80 [ 1221.274583] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca387908 [ 1221.274592] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1221.274594] Call Trace: [ 1221.274606] [] dump_stack+0xc1/0x128 [ 1221.274615] [] warn_alloc.cold.31+0x7f/0x9c [ 1221.274624] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1221.274632] [] ? shrink_node+0x740/0x740 [ 1221.274640] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1221.274648] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1221.274656] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1221.274663] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1221.274670] [] ? find_get_entry+0x11a/0x570 [ 1221.274676] [] ? find_get_entry+0x141/0x570 [ 1221.274682] [] ? page_cache_prev_hole+0x80/0x80 [ 1221.274694] [] ? autoremove_wake_function+0x40/0x40 [ 1221.274701] [] ? pagecache_get_page+0x131/0x710 [ 1221.274708] [] filemap_fault+0xaf1/0x1110 [ 1221.274716] [] ext4_filemap_fault+0x71/0xa0 [ 1221.274722] [] __do_fault+0x223/0x500 [ 1221.274728] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1221.274735] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1221.274742] [] handle_mm_fault+0x1326/0x2350 [ 1221.274748] [] ? vm_insert_page+0x6f0/0x6f0 [ 1221.274755] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1221.274763] [] __do_page_fault+0x403/0xa60 [ 1221.274770] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1221.274778] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1221.274784] [] do_page_fault+0x27/0x30 [ 1221.274791] [] page_fault+0x25/0x30 [ 1221.274795] Mem-Info: [ 1221.274809] active_anon:5499 inactive_anon:41 isolated_anon:0 [ 1221.274809] active_file:8 inactive_file:51 isolated_file:0 [ 1221.274809] unevictable:0 dirty:2 writeback:0 unstable:0 [ 1221.274809] slab_reclaimable:4074 slab_unreclaimable:57672 [ 1221.274809] mapped:21 shmem:48 pagetables:390 bounce:0 [ 1221.274809] free:5998 free_pcp:167 free_cma:0 [ 1221.274821] Node 0 active_anon:21996kB inactive_anon:164kB active_file:32kB inactive_file:204kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:8kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1221.274837] DMA32 free:18596kB min:4696kB low:7712kB high:10728kB active_anon:72kB inactive_anon:0kB active_file:8kB inactive_file:112kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:196kB kernel_stack:128kB pagetables:4kB bounce:0kB free_pcp:360kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1221.274861] Normal free:5396kB min:5580kB low:9168kB high:12756kB active_anon:21924kB inactive_anon:164kB active_file:24kB inactive_file:92kB unevictable:0kB writepending:8kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16280kB slab_unreclaimable:230492kB kernel_stack:3968kB pagetables:1556kB bounce:0kB free_pcp:308kB local_pcp:96kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1221.274910] DMA32: 5*4kB (MH) 12*8kB (MEH) 13*16kB (UMEH) 19*32kB (UMEH) 10*64kB (UMEH) 9*128kB (UME) 14*256kB (UME) 12*512kB (UME) 4*1024kB (U) 1*2048kB (U) 0*4096kB = 18596kB Normal: 231*4kB (UM) 107*8kB (MEH) 78*16kB (UME) 32*32kB (UMH) 11*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5396kB 109 total pagecache pages [ 1221.274951] 0 pages in swap cache [ 1221.274955] Swap cache stats: add 0, delete 0, find 0/0 [ 1221.274957] Free swap = 0kB [ 1221.274959] Total swap = 0kB [ 1221.274961] 1965979 pages RAM [ 1221.274963] 0 pages HighMem/MovableOnly [ 1221.274965] 313617 pages reserved [ 1221.332997] init: page allocation stalls for 190050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1221.333005] CPU: 1 PID: 1 Comm: init Not tainted 4.9.141+ #1 [ 1221.333020] ffff8801da607450 ffffffff81b42e79 1ffff1003b4c0e8c ffff8801da5f8000 [ 1221.333030] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607598 [ 1221.333040] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1221.333042] Call Trace: [ 1221.333057] [] dump_stack+0xc1/0x128 [ 1221.333066] [] warn_alloc.cold.31+0x7f/0x9c [ 1221.333076] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1221.333085] [] ? shrink_node+0x740/0x740 [ 1221.333094] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1221.333102] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1221.333111] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1221.333119] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1221.333127] [] ? find_get_entry+0x11a/0x570 [ 1221.333134] [] ? find_get_entry+0x141/0x570 [ 1221.333141] [] ? page_cache_prev_hole+0x80/0x80 [ 1221.333149] [] ? pagecache_get_page+0x131/0x710 [ 1221.333157] [] filemap_fault+0xaf1/0x1110 [ 1221.333165] [] ext4_filemap_fault+0x71/0xa0 [ 1221.333173] [] __do_fault+0x223/0x500 [ 1221.333179] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1221.333192] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1221.333200] [] handle_mm_fault+0x1326/0x2350 [ 1221.333207] [] ? vm_insert_page+0x6f0/0x6f0 [ 1221.333214] [] ? kasan_kmalloc.part.1+0xc9/0xf0 [ 1221.333224] [] __do_page_fault+0x403/0xa60 [ 1221.333231] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1221.333241] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1221.333249] [] do_page_fault+0x27/0x30 [ 1221.333257] [] page_fault+0x25/0x30 [ 1221.333264] [] ? 0xffffffff810002b8 [ 1221.333272] [] ? strncpy_from_user+0xa5/0x2e0 [ 1221.333279] [] ? strncpy_from_user+0xa7/0x2e0 [ 1221.333287] [] ? kmem_cache_alloc+0x246/0x2b0 [ 1221.333296] [] getname_flags+0x10b/0x550 [ 1221.333303] [] ? handle_mm_fault+0x54b/0x2350 [ 1221.333310] [] user_path_at_empty+0x2f/0x70 [ 1221.333318] [] vfs_fstatat+0xc6/0x170 [ 1221.333326] [] ? vfs_fstat+0x80/0x80 [ 1221.333334] [] SyS_newstat+0x86/0xf0 [ 1221.333341] [] ? SyS_fstat+0xf0/0xf0 ** 141 printk messages dropped ** [ 1221.413885] [] ? pagecache_get_page+0x131/0x710 ** 139 printk messages dropped ** [ 1231.104021] [] filemap_fault+0xaf1/0x1110 ** 165 printk messages dropped ** [ 1231.228956] lowmem_reserve[]: 0 3505 3505 [ 1231.228974] Normal free:5396kB min:5580kB low:9168kB high:12756kB active_anon:21924kB inactive_anon:164kB active_file:24kB inactive_file:92kB unevictable:0kB writepending:8kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16280kB slab_unreclaimable:230492kB kernel_stack:3968kB pagetables:1556kB bounce:0kB free_pcp:308kB local_pcp:212kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1231.229028] DMA32: 5*4kB (MH) 12*8kB (MEH) 13*16kB (UMEH) 19*32kB (UMEH) 10*64kB (UMEH) 9*128kB (UME) 14*256kB (UME) 12*512kB (UME) 4*1024kB (U) 1*2048kB (U) 0*4096kB = 18596kB Normal: 231*4kB (UM) 107*8kB (MEH) 78*16kB (UME) 32*32kB (UMH) 11*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5396kB 109 total pagecache pages [ 1231.229074] 0 pages in swap cache [ 1231.229078] Swap cache stats: add 0, delete 0, find 0/0 [ 1231.229080] Free swap = 0kB [ 1231.229082] Total swap = 0kB [ 1231.229084] 1965979 pages RAM [ 1231.229086] 0 pages HighMem/MovableOnly [ 1231.229089] 313617 pages reserved [ 1231.311517] syz-execprog: page allocation stalls for 200040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1231.311526] CPU: 0 PID: 2210 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1231.311540] ffff8801ca3877c0 ffffffff81b42e79 1ffff10039470efa ffff8801cc242f80 [ 1231.311550] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca387908 [ 1231.311560] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1231.311562] Call Trace: [ 1231.311576] [] dump_stack+0xc1/0x128 [ 1231.311586] [] warn_alloc.cold.31+0x7f/0x9c [ 1231.311595] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1231.311603] [] ? shrink_node+0x740/0x740 [ 1231.311613] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1231.311620] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1231.311629] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1231.311637] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1231.311644] [] ? find_get_entry+0x11a/0x570 [ 1231.311651] [] ? find_get_entry+0x141/0x570 [ 1231.311658] [] ? page_cache_prev_hole+0x80/0x80 [ 1231.311666] [] ? autoremove_wake_function+0x40/0x40 [ 1231.311674] [] ? pagecache_get_page+0x131/0x710 [ 1231.311682] [] filemap_fault+0xaf1/0x1110 [ 1231.311690] [] ext4_filemap_fault+0x71/0xa0 [ 1231.311696] [] __do_fault+0x223/0x500 [ 1231.311703] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1231.311711] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1231.311718] [] handle_mm_fault+0x1326/0x2350 [ 1231.311726] [] ? vm_insert_page+0x6f0/0x6f0 [ 1231.311733] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1231.311742] [] __do_page_fault+0x403/0xa60 [ 1231.311749] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1231.311758] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1231.311765] [] do_page_fault+0x27/0x30 [ 1231.311773] [] page_fault+0x25/0x30 [ 1231.311776] Mem-Info: [ 1231.311792] active_anon:5499 inactive_anon:41 isolated_anon:0 [ 1231.311792] active_file:8 inactive_file:51 isolated_file:0 [ 1231.311792] unevictable:0 dirty:2 writeback:0 unstable:0 [ 1231.311792] slab_reclaimable:4074 slab_unreclaimable:57672 [ 1231.311792] mapped:21 shmem:48 pagetables:390 bounce:0 [ 1231.311792] free:5998 free_pcp:167 free_cma:0 [ 1231.311805] Node 0 active_anon:21996kB inactive_anon:164kB active_file:32kB inactive_file:204kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:8kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1231.311823] DMA32 free:18596kB min:4696kB low:7712kB high:10728kB active_anon:72kB inactive_anon:0kB active_file:8kB inactive_file:112kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:196kB kernel_stack:128kB pagetables:4kB bounce:0kB free_pcp:360kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1231.311849] Normal free:5396kB min:5580kB low:9168kB high:12756kB active_anon:21924kB inactive_anon:164kB active_file:24kB inactive_file:92kB unevictable:0kB writepending:8kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16280kB slab_unreclaimable:230492kB kernel_stack:3968kB pagetables:1556kB bounce:0kB free_pcp:308kB local_pcp:96kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1231.311902] DMA32: 5*4kB (MH) 12*8kB (MEH) 13*16kB (UMEH) 19*32kB (UMEH) 10*64kB (UMEH) 9*128kB (UME) 14*256kB (UME) 12*512kB (UME) 4*1024kB (U) 1*2048kB (U) 0*4096kB = 18596kB Normal: 231*4kB (UM) 107*8kB (MEH) 78*16kB (UME) 32*32kB (UMH) 11*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5396kB 109 total pagecache pages [ 1231.311948] 0 pages in swap cache [ 1231.311952] Swap cache stats: add 0, delete 0, find 0/0 [ 1231.311954] Free swap = 0kB [ 1231.311956] Total swap = 0kB [ 1231.311958] 1965979 pages RAM [ 1231.311960] 0 pages HighMem/MovableOnly [ 1231.311962] 313617 pages reserved [ 1231.326835] init: page allocation stalls for 200040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1231.326842] CPU: 1 PID: 1 Comm: init Not tainted 4.9.141+ #1 [ 1231.326856] ffff8801da607450 ffffffff81b42e79 1ffff1003b4c0e8c ffff8801da5f8000 [ 1231.326866] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607598 [ 1231.326876] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1231.326878] Call Trace: [ 1231.326889] [] dump_stack+0xc1/0x128 [ 1231.326897] [] warn_alloc.cold.31+0x7f/0x9c [ 1231.326911] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1231.326919] [] ? shrink_node+0x740/0x740 [ 1231.326928] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1231.326936] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1231.326945] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1231.326953] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1231.326961] [] ? find_get_entry+0x11a/0x570 [ 1231.326968] [] ? find_get_entry+0x141/0x570 [ 1231.326974] [] ? page_cache_prev_hole+0x80/0x80 [ 1231.326982] [] ? pagecache_get_page+0x131/0x710 [ 1231.326990] [] filemap_fault+0xaf1/0x1110 [ 1231.326998] [] ext4_filemap_fault+0x71/0xa0 [ 1231.327004] [] __do_fault+0x223/0x500 [ 1231.327011] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1231.327020] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1231.327027] [] handle_mm_fault+0x1326/0x2350 [ 1231.327034] [] ? vm_insert_page+0x6f0/0x6f0 [ 1231.327042] [] ? kasan_kmalloc.part.1+0xc9/0xf0 [ 1231.327051] [] __do_page_fault+0x403/0xa60 [ 1231.327058] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1231.327068] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1231.327075] [] do_page_fault+0x27/0x30 [ 1231.327082] [] page_fault+0x25/0x30 [ 1231.327088] [] ? 0xffffffff810002b8 [ 1231.327096] [] ? strncpy_from_user+0xa5/0x2e0 [ 1231.327103] [] ? strncpy_from_user+0xa7/0x2e0 [ 1231.327111] [] ? kmem_cache_alloc+0x246/0x2b0 [ 1231.327120] [] getname_flags+0x10b/0x550 [ 1231.327127] [] ? handle_mm_fault+0x54b/0x2350 [ 1231.327134] [] user_path_at_empty+0x2f/0x70 [ 1231.327142] [] vfs_fstatat+0xc6/0x170 [ 1231.327150] [] ? vfs_fstat+0x80/0x80 [ 1231.327158] [] SyS_newstat+0x86/0xf0 [ 1231.327165] [] ? SyS_fstat+0xf0/0xf0 [ 1231.327173] [] ? up_read+0x1a/0x40 [ 1231.327180] [] ? __do_page_fault+0x554/0xa60 [ 1231.327186] [] ? do_syscall_64+0x48/0x550 [ 1231.327194] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 1231.327201] [] ? SyS_fstat+0xf0/0xf0 [ 1231.327207] [] do_syscall_64+0x19f/0x550 [ 1231.327215] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 1231.327219] Mem-Info: [ 1231.327235] active_anon:5499 inactive_anon:41 isolated_anon:0 [ 1231.327235] active_file:8 inactive_file:51 isolated_file:0 [ 1231.327235] unevictable:0 dirty:2 writeback:0 unstable:0 [ 1231.327235] slab_reclaimable:4074 slab_unreclaimable:57672 [ 1231.327235] mapped:21 shmem:48 pagetables:390 bounce:0 [ 1231.327235] free:5998 free_pcp:167 free_cma:0 ** 208 printk messages dropped ** [ 1231.396490] [] ext4_filemap_fault+0x71/0xa0 [ 1231.396496] [] __do_fault+0x223/0x500 ** 237 printk messages dropped ** [ 1241.214597] 1965979 pages RAM [ 1241.214599] 0 pages HighMem/MovableOnly [ 1241.214601] 313617 pages reserved [ 1241.282282] syz-execprog: page allocation stalls for 210010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1241.282290] CPU: 0 PID: 2210 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1241.282304] ffff8801ca3877c0 ffffffff81b42e79 1ffff10039470efa ffff8801cc242f80 [ 1241.282314] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca387908 [ 1241.282324] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1241.282326] Call Trace: [ 1241.282340] [] dump_stack+0xc1/0x128 [ 1241.282348] [] warn_alloc.cold.31+0x7f/0x9c [ 1241.282358] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1241.282366] [] ? shrink_node+0x740/0x740 [ 1241.282375] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1241.282383] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1241.282392] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1241.282400] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1241.282407] [] ? find_get_entry+0x11a/0x570 [ 1241.282414] [] ? find_get_entry+0x141/0x570 [ 1241.282421] [] ? page_cache_prev_hole+0x80/0x80 [ 1241.282430] [] ? autoremove_wake_function+0x40/0x40 [ 1241.282438] [] ? pagecache_get_page+0x131/0x710 [ 1241.282445] [] filemap_fault+0xaf1/0x1110 [ 1241.282455] [] ext4_filemap_fault+0x71/0xa0 [ 1241.282462] [] __do_fault+0x223/0x500 [ 1241.282469] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1241.282477] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1241.282483] [] handle_mm_fault+0x1326/0x2350 [ 1241.282491] [] ? vm_insert_page+0x6f0/0x6f0 [ 1241.282498] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1241.282507] [] __do_page_fault+0x403/0xa60 [ 1241.282514] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1241.282524] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1241.282531] [] do_page_fault+0x27/0x30 [ 1241.282539] [] page_fault+0x25/0x30 [ 1241.325686] init: page allocation stalls for 210040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1241.325694] CPU: 0 PID: 1 Comm: init Not tainted 4.9.141+ #1 [ 1241.325709] ffff8801da607450 ffffffff81b42e79 1ffff1003b4c0e8c ffff8801da5f8000 [ 1241.325719] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607598 [ 1241.325729] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1241.325731] Call Trace: [ 1241.325745] [] dump_stack+0xc1/0x128 [ 1241.325754] [] warn_alloc.cold.31+0x7f/0x9c [ 1241.325763] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1241.325772] [] ? shrink_node+0x740/0x740 [ 1241.325781] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1241.325789] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1241.325797] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1241.325807] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1241.325814] [] ? find_get_entry+0x11a/0x570 [ 1241.325822] [] ? find_get_entry+0x141/0x570 [ 1241.325828] [] ? page_cache_prev_hole+0x80/0x80 [ 1241.325836] [] ? pagecache_get_page+0x131/0x710 [ 1241.325844] [] filemap_fault+0xaf1/0x1110 [ 1241.325852] [] ext4_filemap_fault+0x71/0xa0 [ 1241.325859] [] __do_fault+0x223/0x500 [ 1241.325866] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1241.325874] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1241.325881] [] handle_mm_fault+0x1326/0x2350 [ 1241.325888] [] ? vm_insert_page+0x6f0/0x6f0 [ 1241.325896] [] ? kasan_kmalloc.part.1+0xc9/0xf0 [ 1241.325904] [] __do_page_fault+0x403/0xa60 [ 1241.325912] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1241.325921] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1241.325928] [] do_page_fault+0x27/0x30 [ 1241.325936] [] page_fault+0x25/0x30 [ 1241.325942] [] ? 0xffffffff810002b8 [ 1241.325950] [] ? strncpy_from_user+0xa5/0x2e0 [ 1241.325957] [] ? strncpy_from_user+0xa7/0x2e0 [ 1241.325965] [] ? kmem_cache_alloc+0x246/0x2b0 [ 1241.325974] [] getname_flags+0x10b/0x550 [ 1241.325981] [] ? handle_mm_fault+0x54b/0x2350 [ 1241.325988] [] user_path_at_empty+0x2f/0x70 [ 1241.325996] [] vfs_fstatat+0xc6/0x170 [ 1241.326003] [] ? vfs_fstat+0x80/0x80 [ 1241.326011] [] SyS_newstat+0x86/0xf0 [ 1241.326018] [] ? SyS_fstat+0xf0/0xf0 [ 1241.326027] [] ? up_read+0x1a/0x40 [ 1241.326034] [] ? __do_page_fault+0x554/0xa60 [ 1241.326041] [] ? do_syscall_64+0x48/0x550 [ 1241.326048] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 1241.326055] [] ? SyS_fstat+0xf0/0xf0 [ 1241.326061] [] do_syscall_64+0x19f/0x550 [ 1241.326070] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 1241.326073] Mem-Info: [ 1241.326089] active_anon:5499 inactive_anon:41 isolated_anon:0 [ 1241.326089] active_file:8 inactive_file:51 isolated_file:0 [ 1241.326089] unevictable:0 dirty:2 writeback:0 unstable:0 [ 1241.326089] slab_reclaimable:4074 slab_unreclaimable:57672 [ 1241.326089] mapped:21 shmem:48 pagetables:390 bounce:0 [ 1241.326089] free:5998 free_pcp:167 free_cma:0 [ 1241.326103] Node 0 active_anon:21996kB inactive_anon:164kB active_file:32kB inactive_file:204kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:8kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1241.326121] DMA32 free:18596kB min:4696kB low:7712kB high:10728kB active_anon:72kB inactive_anon:0kB active_file:8kB inactive_file:112kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:196kB kernel_stack:128kB pagetables:4kB bounce:0kB free_pcp:360kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1241.326147] Normal free:5396kB min:5580kB low:9168kB high:12756kB active_anon:21924kB inactive_anon:164kB active_file:24kB inactive_file:92kB unevictable:0kB writepending:8kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16280kB slab_unreclaimable:230492kB kernel_stack:3968kB pagetables:1556kB bounce:0kB free_pcp:308kB local_pcp:96kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1241.326204] DMA32: 5*4kB (MH) 12*8kB (MEH) 13*16kB (UMEH) 19*32kB (UMEH) 10*64kB (UMEH) 9*128kB (UME) 14*256kB (UME) 12*512kB (UME) 4*1024kB (U) 1*2048kB (U) 0*4096kB = 18596kB Normal: 231*4kB (UM) 107*8kB (MEH) 78*16kB (UME) 32*32kB (UMH) 11*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5396kB 109 total pagecache pages [ 1241.326251] 0 pages in swap cache [ 1241.326260] Swap cache stats: add 0, delete 0, find 0/0 [ 1241.326262] Free swap = 0kB [ 1241.326264] Total swap = 0kB [ 1241.326266] 1965979 pages RAM [ 1241.326268] 0 pages HighMem/MovableOnly [ 1241.326270] 313617 pages reserved [ 1241.342598] Mem-Info: [ 1241.342615] active_anon:5499 inactive_anon:41 isolated_anon:0 [ 1241.342615] active_file:8 inactive_file:51 isolated_file:0 [ 1241.342615] unevictable:0 dirty:2 writeback:0 unstable:0 [ 1241.342615] slab_reclaimable:4074 slab_unreclaimable:57672 [ 1241.342615] mapped:21 shmem:48 pagetables:390 bounce:0 [ 1241.342615] free:5998 free_pcp:167 free_cma:0 [ 1241.342628] Node 0 active_anon:21996kB inactive_anon:164kB active_file:32kB inactive_file:204kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:8kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1241.342646] DMA32 free:18596kB min:4696kB low:7712kB high:10728kB active_anon:72kB inactive_anon:0kB active_file:8kB inactive_file:112kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:196kB kernel_stack:128kB pagetables:4kB bounce:0kB free_pcp:360kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1241.342672] Normal free:5396kB min:5580kB low:9168kB high:12756kB active_anon:21924kB inactive_anon:164kB active_file:24kB inactive_file:92kB unevictable:0kB writepending:8kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16280kB slab_unreclaimable:230492kB kernel_stack:3968kB pagetables:1556kB bounce:0kB free_pcp:308kB local_pcp:96kB free_cma:0kB ** 457 printk messages dropped ** [ 1251.297353] [] ? shrink_node+0x740/0x740 [ 1251.297362] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1251.297370] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1251.297379] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1251.297387] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1251.297395] [] ? find_get_entry+0x11a/0x570 [ 1251.297402] [] ? find_get_entry+0x141/0x570 [ 1251.297409] [] ? page_cache_prev_hole+0x80/0x80 [ 1251.297416] [] ? pagecache_get_page+0x131/0x710 [ 1251.297424] [] filemap_fault+0xaf1/0x1110 [ 1251.297433] [] ext4_filemap_fault+0x71/0xa0 [ 1251.297440] [] __do_fault+0x223/0x500 [ 1251.297446] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1251.297455] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1251.297462] [] handle_mm_fault+0x1326/0x2350 [ 1251.297469] [] ? vm_insert_page+0x6f0/0x6f0 [ 1251.297476] [] ? kasan_kmalloc.part.1+0xc9/0xf0 [ 1251.297485] [] __do_page_fault+0x403/0xa60 [ 1251.297492] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1251.297502] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1251.297509] [] do_page_fault+0x27/0x30 [ 1251.297517] [] page_fault+0x25/0x30 [ 1251.297523] [] ? 0xffffffff810002b8 [ 1251.297531] [] ? strncpy_from_user+0xa5/0x2e0 [ 1251.297544] [] ? strncpy_from_user+0xa7/0x2e0 [ 1251.297552] [] ? kmem_cache_alloc+0x246/0x2b0 [ 1251.297560] [] getname_flags+0x10b/0x550 [ 1251.297567] [] ? handle_mm_fault+0x54b/0x2350 [ 1251.297575] [] user_path_at_empty+0x2f/0x70 [ 1251.297583] [] vfs_fstatat+0xc6/0x170 [ 1251.297590] [] ? vfs_fstat+0x80/0x80 [ 1251.297598] [] SyS_newstat+0x86/0xf0 [ 1251.297605] [] ? SyS_fstat+0xf0/0xf0 [ 1251.297614] [] ? up_read+0x1a/0x40 [ 1251.297620] [] ? __do_page_fault+0x554/0xa60 [ 1251.297627] [] ? do_syscall_64+0x48/0x550 [ 1251.297635] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 1251.297642] [] ? SyS_fstat+0xf0/0xf0 [ 1251.297648] [] do_syscall_64+0x19f/0x550 [ 1251.297656] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 1251.297660] Mem-Info: [ 1251.297677] active_anon:5499 inactive_anon:41 isolated_anon:0 [ 1251.297677] active_file:8 inactive_file:51 isolated_file:0 [ 1251.297677] unevictable:0 dirty:2 writeback:0 unstable:0 [ 1251.297677] slab_reclaimable:4074 slab_unreclaimable:57674 [ 1251.297677] mapped:21 shmem:48 pagetables:390 bounce:0 [ 1251.297677] free:5996 free_pcp:167 free_cma:0 [ 1251.297690] Node 0 active_anon:21996kB inactive_anon:164kB active_file:32kB inactive_file:204kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:8kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1251.297709] DMA32 free:18596kB min:4696kB low:7712kB high:10728kB active_anon:72kB inactive_anon:0kB active_file:8kB inactive_file:112kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:196kB kernel_stack:128kB pagetables:4kB bounce:0kB free_pcp:360kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1251.297735] Normal free:5388kB min:5580kB low:9168kB high:12756kB active_anon:21924kB inactive_anon:164kB active_file:24kB inactive_file:92kB unevictable:0kB writepending:8kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16280kB slab_unreclaimable:230500kB kernel_stack:3968kB pagetables:1556kB bounce:0kB free_pcp:308kB local_pcp:96kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1251.297791] DMA32: 5*4kB (MH) 12*8kB (MEH) 13*16kB (UMEH) 19*32kB (UMEH) 10*64kB (UMEH) 9*128kB (UME) 14*256kB (UME) 12*512kB (UME) 4*1024kB (U) 1*2048kB (U) 0*4096kB = 18596kB Normal: 231*4kB (UM) 106*8kB (MEH) 78*16kB (UME) 32*32kB (UMH) 11*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5388kB 109 total pagecache pages [ 1251.297839] 0 pages in swap cache [ 1251.297843] Swap cache stats: add 0, delete 0, find 0/0 [ 1251.297845] Free swap = 0kB [ 1251.297847] Total swap = 0kB [ 1251.297849] 1965979 pages RAM [ 1251.297851] 0 pages HighMem/MovableOnly [ 1251.297854] 313617 pages reserved [ 1251.303342] syz-execprog: page allocation stalls for 220040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1251.303349] CPU: 0 PID: 2210 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1251.303361] ffff8801ca3877c0 ffffffff81b42e79 1ffff10039470efa ffff8801cc242f80 [ 1251.303371] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca387908 [ 1251.303381] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1251.303383] Call Trace: [ 1251.303393] [] dump_stack+0xc1/0x128 [ 1251.303401] [] warn_alloc.cold.31+0x7f/0x9c [ 1251.303409] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1251.303417] [] ? shrink_node+0x740/0x740 [ 1251.303426] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1251.303433] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1251.303442] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1251.303450] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1251.303457] [] ? find_get_entry+0x11a/0x570 [ 1251.303465] [] ? find_get_entry+0x141/0x570 [ 1251.303472] [] ? page_cache_prev_hole+0x80/0x80 [ 1251.303479] [] ? autoremove_wake_function+0x40/0x40 [ 1251.303487] [] ? pagecache_get_page+0x131/0x710 [ 1251.303494] [] filemap_fault+0xaf1/0x1110 [ 1251.303502] [] ext4_filemap_fault+0x71/0xa0 [ 1251.303509] [] __do_fault+0x223/0x500 [ 1251.303516] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1251.303524] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1251.303531] [] handle_mm_fault+0x1326/0x2350 [ 1251.303543] [] ? vm_insert_page+0x6f0/0x6f0 [ 1251.303550] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1251.303558] [] __do_page_fault+0x403/0xa60 [ 1251.303566] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1251.303575] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1251.303582] [] do_page_fault+0x27/0x30 [ 1251.303589] [] page_fault+0x25/0x30 [ 1251.303592] Mem-Info: [ 1251.303607] active_anon:5499 inactive_anon:41 isolated_anon:0 [ 1251.303607] active_file:8 inactive_file:51 isolated_file:0 [ 1251.303607] unevictable:0 dirty:2 writeback:0 unstable:0 [ 1251.303607] slab_reclaimable:4074 slab_unreclaimable:57674 [ 1251.303607] mapped:21 shmem:48 pagetables:390 bounce:0 [ 1251.303607] free:5996 free_pcp:167 free_cma:0 [ 1251.303620] Node 0 active_anon:21996kB inactive_anon:164kB active_file:32kB inactive_file:204kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:8kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1251.303638] DMA32 free:18596kB min:4696kB low:7712kB high:10728kB active_anon:72kB inactive_anon:0kB active_file:8kB inactive_file:112kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:196kB kernel_stack:128kB pagetables:4kB bounce:0kB free_pcp:360kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1251.303664] Normal free:5388kB min:5580kB low:9168kB high:12756kB active_anon:21924kB inactive_anon:164kB active_file:24kB inactive_file:92kB unevictable:0kB writepending:8kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16280kB slab_unreclaimable:230500kB kernel_stack:3968kB pagetables:1556kB bounce:0kB free_pcp:308kB local_pcp:96kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1251.303719] DMA32: 5*4kB (MH) 12*8kB (MEH) 13*16kB (UMEH) 19*32kB (UMEH) 10*64kB (UMEH) 9*128kB (UME) 14*256kB (UME) 12*512kB (UME) 4*1024kB (U) 1*2048kB (U) 0*4096kB = 18596kB Normal: 231*4kB (UM) 106*8kB (MEH) 78*16kB (UME) 32*32kB (UMH) 11*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5388kB 109 total pagecache pages [ 1251.303765] 0 pages in swap cache [ 1251.303769] Swap cache stats: add 0, delete 0, find 0/0 ** 202 printk messages dropped ** [ 1251.401906] [] worker_thread+0xd6/0x1140 ** 201 printk messages dropped ** [ 1261.261141] [] ? zone_watermark_ok_safe+0x250/0x250 ** 49 printk messages dropped ** [ 1261.305324] [] ? shrink_node+0x740/0x740 [ 1261.305333] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1261.305341] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1261.305350] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1261.305358] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1261.305365] [] ? find_get_entry+0x11a/0x570 [ 1261.305372] [] ? find_get_entry+0x141/0x570 [ 1261.305379] [] ? page_cache_prev_hole+0x80/0x80 [ 1261.305387] [] ? pagecache_get_page+0x131/0x710 [ 1261.305394] [] filemap_fault+0xaf1/0x1110 [ 1261.305403] [] ext4_filemap_fault+0x71/0xa0 [ 1261.305410] [] __do_fault+0x223/0x500 [ 1261.305416] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1261.305424] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1261.305431] [] handle_mm_fault+0x1326/0x2350 [ 1261.305439] [] ? vm_insert_page+0x6f0/0x6f0 [ 1261.305446] [] ? kasan_kmalloc.part.1+0xc9/0xf0 [ 1261.305455] [] __do_page_fault+0x403/0xa60 [ 1261.305463] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1261.305472] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1261.305479] [] do_page_fault+0x27/0x30 [ 1261.305486] [] page_fault+0x25/0x30 [ 1261.305492] [] ? 0xffffffff810002b8 [ 1261.305499] [] ? strncpy_from_user+0xa5/0x2e0 [ 1261.305507] [] ? strncpy_from_user+0xa7/0x2e0 [ 1261.305515] [] ? kmem_cache_alloc+0x246/0x2b0 [ 1261.305522] [] getname_flags+0x10b/0x550 [ 1261.305529] [] ? handle_mm_fault+0x54b/0x2350 [ 1261.305537] [] user_path_at_empty+0x2f/0x70 [ 1261.305544] [] vfs_fstatat+0xc6/0x170 [ 1261.305552] [] ? vfs_fstat+0x80/0x80 [ 1261.305559] [] SyS_newstat+0x86/0xf0 [ 1261.305567] [] ? SyS_fstat+0xf0/0xf0 [ 1261.305575] [] ? up_read+0x1a/0x40 [ 1261.305582] [] ? __do_page_fault+0x554/0xa60 [ 1261.305588] [] ? do_syscall_64+0x48/0x550 [ 1261.305595] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 1261.305603] [] ? SyS_fstat+0xf0/0xf0 [ 1261.305609] [] do_syscall_64+0x19f/0x550 [ 1261.305617] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 1261.305620] Mem-Info: [ 1261.305636] active_anon:5499 inactive_anon:41 isolated_anon:0 [ 1261.305636] active_file:8 inactive_file:51 isolated_file:0 [ 1261.305636] unevictable:0 dirty:2 writeback:0 unstable:0 [ 1261.305636] slab_reclaimable:4074 slab_unreclaimable:57674 [ 1261.305636] mapped:21 shmem:48 pagetables:390 bounce:0 [ 1261.305636] free:5996 free_pcp:167 free_cma:0 [ 1261.305649] Node 0 active_anon:21996kB inactive_anon:164kB active_file:32kB inactive_file:204kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:8kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1261.305667] DMA32 free:18596kB min:4696kB low:7712kB high:10728kB active_anon:72kB inactive_anon:0kB active_file:8kB inactive_file:112kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:196kB kernel_stack:128kB pagetables:4kB bounce:0kB free_pcp:360kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1261.305693] Normal free:5388kB min:5580kB low:9168kB high:12756kB active_anon:21924kB inactive_anon:164kB active_file:24kB inactive_file:92kB unevictable:0kB writepending:8kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16280kB slab_unreclaimable:230500kB kernel_stack:3968kB pagetables:1556kB bounce:0kB free_pcp:308kB local_pcp:96kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1261.305749] DMA32: 5*4kB (MH) 12*8kB (MEH) 13*16kB (UMEH) 19*32kB (UMEH) 10*64kB (UMEH) 9*128kB (UME) 14*256kB (UME) 12*512kB (UME) 4*1024kB (U) 1*2048kB (U) 0*4096kB = 18596kB Normal: 231*4kB (UM) 106*8kB (MEH) 78*16kB (UME) 32*32kB (UMH) 11*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5388kB 109 total pagecache pages [ 1261.305796] 0 pages in swap cache [ 1261.305800] Swap cache stats: add 0, delete 0, find 0/0 [ 1261.305802] Free swap = 0kB [ 1261.305804] Total swap = 0kB [ 1261.305806] 1965979 pages RAM [ 1261.305808] 0 pages HighMem/MovableOnly [ 1261.305811] 313617 pages reserved [ 1261.343530] kworker/u4:6: page allocation stalls for 230010ms, order:0, mode:0x2420848(GFP_NOFS|__GFP_NOFAIL|__GFP_HARDWALL|__GFP_MOVABLE) [ 1261.343537] CPU: 0 PID: 2288 Comm: kworker/u4:6 Not tainted 4.9.141+ #1 [ 1261.343552] Workqueue: writeback wb_workfn (flush-8:0) [ 1261.343563] ffff8801c8587180 ffffffff81b42e79 1ffff100390b0e32 ffff8801c9ce2f80 [ 1261.343572] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c85872c8 [ 1261.343581] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1261.343583] Call Trace: [ 1261.343592] [] dump_stack+0xc1/0x128 [ 1261.343600] [] warn_alloc.cold.31+0x7f/0x9c [ 1261.343609] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1261.343616] [] ? shrink_node+0x740/0x740 [ 1261.343624] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1261.343633] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1261.343639] [] ? find_get_entry+0x11a/0x570 [ 1261.343646] [] ? __radix_tree_lookup+0x18c/0x230 [ 1261.343654] [] ? check_preemption_disabled+0x3b/0x200 [ 1261.343660] [] ? find_get_entry+0x11a/0x570 [ 1261.343668] [] ? __find_get_block_slow+0x263/0x330 [ 1261.343675] [] pagecache_get_page+0x244/0x710 [ 1261.343682] [] ? __find_get_block+0x21a/0x4d0 [ 1261.343689] [] __getblk_gfp+0x240/0x700 [ 1261.343696] [] __breadahead+0x79/0xf0 [ 1261.343703] [] ? write_boundary_block+0x120/0x120 [ 1261.343712] [] ? __might_sleep+0x95/0x1a0 [ 1261.343720] [] __ext4_get_inode_loc+0x961/0xef0 [ 1261.343726] [] ? trace_hardirqs_on+0x10/0x10 [ 1261.343733] [] ext4_write_inode+0x204/0x3b0 [ 1261.343739] [] ? ext4_iget_normal+0xd0/0xd0 [ 1261.343747] [] __writeback_single_inode+0x4c4/0x1020 [ 1261.343754] [] ? writeback_sb_inodes+0x39b/0xe70 [ 1261.343761] [] writeback_sb_inodes+0x4ac/0xe70 [ 1261.343770] [] ? __writeback_single_inode+0x1020/0x1020 [ 1261.343777] [] ? down_read_trylock+0x6a/0xd0 [ 1261.343783] [] ? trylock_super+0x20/0xf0 [ 1261.343791] [] __writeback_inodes_wb+0xfb/0x1e0 [ 1261.343798] [] wb_writeback+0x512/0xbd0 [ 1261.343805] [] ? __writeback_inodes_wb+0x1e0/0x1e0 [ 1261.343811] [] ? mark_held_locks+0xc7/0x130 [ 1261.343823] [] ? check_preemption_disabled+0x3b/0x200 [ 1261.343830] [] wb_workfn+0x20e/0xe90 [ 1261.343837] [] ? debug_object_deactivate+0x214/0x340 [ 1261.343844] [] ? inode_wait_for_writeback+0x40/0x40 [ 1261.343851] [] ? check_preemption_disabled+0x3b/0x200 [ 1261.343858] [] process_one_work+0x831/0x15f0 [ 1261.343863] [] ? process_one_work+0x774/0x15f0 [ 1261.343870] [] ? cancel_delayed_work_sync+0x20/0x20 [ 1261.343877] [] worker_thread+0xd6/0x1140 [ 1261.343886] [] ? ___preempt_schedule+0x16/0x18 [ 1261.343894] [] kthread+0x26d/0x300 [ 1261.343900] [] ? process_one_work+0x15f0/0x15f0 [ 1261.343907] [] ? kthread_park+0xa0/0xa0 [ 1261.343916] [] ? __switch_to_asm+0x34/0x70 [ 1261.343922] [] ? kthread_park+0xa0/0xa0 [ 1261.343929] [] ? kthread_park+0xa0/0xa0 [ 1261.343935] [] ret_from_fork+0x5c/0x70 [ 1261.343938] Mem-Info: [ 1261.343953] active_anon:5499 inactive_anon:41 isolated_anon:0 [ 1261.343953] active_file:8 inactive_file:51 isolated_file:0 [ 1261.343953] unevictable:0 dirty:2 writeback:0 unstable:0 [ 1261.343953] slab_reclaimable:4074 slab_unreclaimable:57674 [ 1261.343953] mapped:21 shmem:48 pagetables:390 bounce:0 [ 1261.343953] free:5996 free_pcp:167 free_cma:0 ** 432 printk messages dropped ** [ 1271.235976] 0 pages HighMem/MovableOnly [ 1271.235978] 313617 pages reserved [ 1271.300164] syz-execprog: page allocation stalls for 240030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1271.300173] CPU: 0 PID: 2210 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 1271.300188] ffff8801ca3877c0 ffffffff81b42e79 1ffff10039470efa ffff8801cc242f80 [ 1271.300199] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ca387908 [ 1271.300209] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1271.300211] Call Trace: [ 1271.300224] [] dump_stack+0xc1/0x128 [ 1271.300234] [] warn_alloc.cold.31+0x7f/0x9c [ 1271.300243] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1271.300252] [] ? shrink_node+0x740/0x740 [ 1271.300261] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1271.300269] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1271.300278] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1271.300286] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1271.300293] [] ? find_get_entry+0x11a/0x570 [ 1271.300299] [] ? find_get_entry+0x141/0x570 [ 1271.300306] [] ? page_cache_prev_hole+0x80/0x80 [ 1271.300314] [] ? autoremove_wake_function+0x40/0x40 [ 1271.300321] [] ? pagecache_get_page+0x131/0x710 [ 1271.300329] [] filemap_fault+0xaf1/0x1110 [ 1271.300337] [] ext4_filemap_fault+0x71/0xa0 [ 1271.300344] [] __do_fault+0x223/0x500 [ 1271.300351] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1271.300359] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1271.300368] [] handle_mm_fault+0x1326/0x2350 [ 1271.300375] [] ? vm_insert_page+0x6f0/0x6f0 [ 1271.300382] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1271.300391] [] __do_page_fault+0x403/0xa60 [ 1271.300399] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1271.300408] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1271.300415] [] do_page_fault+0x27/0x30 [ 1271.300423] [] page_fault+0x25/0x30 [ 1271.300426] Mem-Info: [ 1271.300444] active_anon:5499 inactive_anon:41 isolated_anon:0 [ 1271.300444] active_file:8 inactive_file:51 isolated_file:0 [ 1271.300444] unevictable:0 dirty:2 writeback:0 unstable:0 [ 1271.300444] slab_reclaimable:4074 slab_unreclaimable:57675 [ 1271.300444] mapped:21 shmem:48 pagetables:390 bounce:0 [ 1271.300444] free:6004 free_pcp:166 free_cma:0 [ 1271.300457] Node 0 active_anon:21996kB inactive_anon:164kB active_file:32kB inactive_file:204kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:8kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1271.300475] DMA32 free:18596kB min:4696kB low:7712kB high:10728kB active_anon:72kB inactive_anon:0kB active_file:8kB inactive_file:112kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:196kB kernel_stack:128kB pagetables:4kB bounce:0kB free_pcp:360kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1271.300501] Normal free:5420kB min:5580kB low:9168kB high:12756kB active_anon:21924kB inactive_anon:164kB active_file:24kB inactive_file:92kB unevictable:0kB writepending:8kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16280kB slab_unreclaimable:230504kB kernel_stack:3968kB pagetables:1556kB bounce:0kB free_pcp:304kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1271.300557] DMA32: 5*4kB (MH) 12*8kB (MEH) 13*16kB (UMEH) 19*32kB (UMEH) 10*64kB (UMEH) 9*128kB (UME) 14*256kB (UME) 12*512kB (UME) 4*1024kB (U) 1*2048kB (U) 0*4096kB = 18596kB Normal: 231*4kB (UM) 106*8kB (MEH) 78*16kB (UME) 33*32kB (UMH) 11*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5420kB 109 total pagecache pages [ 1271.300604] 0 pages in swap cache [ 1271.300607] Swap cache stats: add 0, delete 0, find 0/0 [ 1271.300609] Free swap = 0kB [ 1271.300612] Total swap = 0kB [ 1271.300614] 1965979 pages RAM [ 1271.300617] 0 pages HighMem/MovableOnly [ 1271.300619] 313617 pages reserved [ 1271.340452] init: page allocation stalls for 240050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1271.340459] CPU: 0 PID: 1 Comm: init Not tainted 4.9.141+ #1 [ 1271.340474] ffff8801da607450 ffffffff81b42e79 1ffff1003b4c0e8c ffff8801da5f8000 [ 1271.340484] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607598 [ 1271.340493] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1271.340495] Call Trace: [ 1271.340508] [] dump_stack+0xc1/0x128 [ 1271.340517] [] warn_alloc.cold.31+0x7f/0x9c [ 1271.340526] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1271.340535] [] ? shrink_node+0x740/0x740 [ 1271.340544] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1271.340552] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1271.340561] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1271.340569] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1271.340576] [] ? find_get_entry+0x11a/0x570 [ 1271.340583] [] ? find_get_entry+0x141/0x570 [ 1271.340590] [] ? page_cache_prev_hole+0x80/0x80 [ 1271.340598] [] ? pagecache_get_page+0x131/0x710 [ 1271.340604] [] filemap_fault+0xaf1/0x1110 [ 1271.340612] [] ext4_filemap_fault+0x71/0xa0 [ 1271.340619] [] __do_fault+0x223/0x500 [ 1271.340626] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1271.340634] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1271.340641] [] handle_mm_fault+0x1326/0x2350 [ 1271.340648] [] ? vm_insert_page+0x6f0/0x6f0 [ 1271.340655] [] ? kasan_kmalloc.part.1+0xc9/0xf0 [ 1271.340664] [] __do_page_fault+0x403/0xa60 [ 1271.340672] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1271.340681] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1271.340688] [] do_page_fault+0x27/0x30 [ 1271.340696] [] page_fault+0x25/0x30 [ 1271.340702] [] ? 0xffffffff810002b8 [ 1271.340711] [] ? strncpy_from_user+0xa5/0x2e0 [ 1271.340718] [] ? strncpy_from_user+0xa7/0x2e0 [ 1271.340727] [] ? kmem_cache_alloc+0x246/0x2b0 [ 1271.340735] [] getname_flags+0x10b/0x550 [ 1271.340742] [] ? handle_mm_fault+0x54b/0x2350 [ 1271.340750] [] user_path_at_empty+0x2f/0x70 [ 1271.340757] [] vfs_fstatat+0xc6/0x170 [ 1271.340765] [] ? vfs_fstat+0x80/0x80 [ 1271.340773] [] SyS_newstat+0x86/0xf0 [ 1271.340780] [] ? SyS_fstat+0xf0/0xf0 [ 1271.340789] [] ? up_read+0x1a/0x40 [ 1271.340795] [] ? __do_page_fault+0x554/0xa60 [ 1271.340802] [] ? do_syscall_64+0x48/0x550 [ 1271.340810] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 1271.340817] [] ? SyS_fstat+0xf0/0xf0 [ 1271.340824] [] do_syscall_64+0x19f/0x550 [ 1271.340832] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 1271.340835] Mem-Info: [ 1271.340851] active_anon:5499 inactive_anon:41 isolated_anon:0 [ 1271.340851] active_file:8 inactive_file:51 isolated_file:0 [ 1271.340851] unevictable:0 dirty:2 writeback:0 unstable:0 [ 1271.340851] slab_reclaimable:4074 slab_unreclaimable:57675 [ 1271.340851] mapped:21 shmem:48 pagetables:390 bounce:0 [ 1271.340851] free:6004 free_pcp:166 free_cma:0 [ 1271.340864] Node 0 active_anon:21996kB inactive_anon:164kB active_file:32kB inactive_file:204kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:8kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1271.340882] DMA32 free:18596kB min:4696kB low:7712kB high:10728kB active_anon:72kB inactive_anon:0kB active_file:8kB inactive_file:112kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:196kB kernel_stack:128kB pagetables:4kB bounce:0kB free_pcp:360kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1271.340908] Normal free:5420kB min:5580kB low:9168kB high:12756kB active_anon:21924kB inactive_anon:164kB active_file:24kB inactive_file:92kB unevictable:0kB writepending:8kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16280kB slab_unreclaimable:230504kB kernel_stack:3968kB pagetables:1556kB bounce:0kB free_pcp:304kB local_pcp:92kB free_cma:0kB ** 457 printk messages dropped ** [ 1281.277041] [] ? shrink_node+0x740/0x740 ** 2 printk messages dropped ** [ 1281.277067] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1281.277075] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1281.277082] [] ? find_get_entry+0x11a/0x570 [ 1281.277090] [] ? find_get_entry+0x141/0x570 [ 1281.277096] [] ? page_cache_prev_hole+0x80/0x80 [ 1281.277105] [] ? autoremove_wake_function+0x40/0x40 [ 1281.277113] [] ? pagecache_get_page+0x131/0x710 [ 1281.277120] [] filemap_fault+0xaf1/0x1110 [ 1281.277128] [] ext4_filemap_fault+0x71/0xa0 [ 1281.277135] [] __do_fault+0x223/0x500 [ 1281.277142] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1281.277150] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1281.277157] [] handle_mm_fault+0x1326/0x2350 [ 1281.277164] [] ? vm_insert_page+0x6f0/0x6f0 [ 1281.277171] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1281.277180] [] __do_page_fault+0x403/0xa60 [ 1281.277187] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1281.277197] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1281.277204] [] do_page_fault+0x27/0x30 [ 1281.277212] [] page_fault+0x25/0x30 [ 1281.277215] Mem-Info: [ 1281.277230] active_anon:5499 inactive_anon:41 isolated_anon:0 [ 1281.277230] active_file:8 inactive_file:51 isolated_file:0 [ 1281.277230] unevictable:0 dirty:2 writeback:0 unstable:0 [ 1281.277230] slab_reclaimable:4074 slab_unreclaimable:57675 [ 1281.277230] mapped:21 shmem:48 pagetables:390 bounce:0 [ 1281.277230] free:6004 free_pcp:166 free_cma:0 [ 1281.277243] Node 0 active_anon:21996kB inactive_anon:164kB active_file:32kB inactive_file:204kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:8kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1281.277261] DMA32 free:18596kB min:4696kB low:7712kB high:10728kB active_anon:72kB inactive_anon:0kB active_file:8kB inactive_file:112kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:196kB kernel_stack:128kB pagetables:4kB bounce:0kB free_pcp:360kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1281.277288] Normal free:5420kB min:5580kB low:9168kB high:12756kB active_anon:21924kB inactive_anon:164kB active_file:24kB inactive_file:92kB unevictable:0kB writepending:8kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16280kB slab_unreclaimable:230504kB kernel_stack:3968kB pagetables:1556kB bounce:0kB free_pcp:304kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1281.277342] DMA32: 5*4kB (MH) 12*8kB (MEH) 13*16kB (UMEH) 19*32kB (UMEH) 10*64kB (UMEH) 9*128kB (UME) 14*256kB (UME) 12*512kB (UME) 4*1024kB (U) 1*2048kB (U) 0*4096kB = 18596kB Normal: 231*4kB (UM) 106*8kB (MEH) 78*16kB (UME) 33*32kB (UMH) 11*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5420kB 109 total pagecache pages [ 1281.277393] 0 pages in swap cache [ 1281.277397] Swap cache stats: add 0, delete 0, find 0/0 [ 1281.277399] Free swap = 0kB [ 1281.277401] Total swap = 0kB [ 1281.277404] 1965979 pages RAM [ 1281.277406] 0 pages HighMem/MovableOnly [ 1281.277408] 313617 pages reserved [ 1281.322685] lowmemorykiller: Killing 'syz-executor.4' (2399) (tgid 2398), adj 1000, [ 1281.322685] to free 140kB on behalf of 'syz-executor.0' (2378) because [ 1281.322685] cache 244kB is below limit 6144kB for oom_score_adj 0 [ 1281.322685] Free memory is -13488kB above reserved [ 1281.322696] lowmemorykiller: Killing 'syz-executor.4' (2399) (tgid 2398), adj 1000, [ 1281.322696] to free 140kB on behalf of 'syz-executor.4' (2399) because [ 1281.322696] cache 244kB is below limit 6144kB for oom_score_adj 0 [ 1281.322696] Free memory is -13488kB above reserved [ 1281.341888] init: page allocation stalls for 250050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1281.341896] CPU: 0 PID: 1 Comm: init Not tainted 4.9.141+ #1 [ 1281.341910] ffff8801da607450 ffffffff81b42e79 1ffff1003b4c0e8c ffff8801da5f8000 [ 1281.341920] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607598 [ 1281.341930] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1281.341932] Call Trace: [ 1281.341946] [] dump_stack+0xc1/0x128 [ 1281.341956] [] warn_alloc.cold.31+0x7f/0x9c [ 1281.341966] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1281.341974] [] ? shrink_node+0x740/0x740 [ 1281.341984] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1281.341992] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1281.342000] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1281.342008] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1281.342015] [] ? find_get_entry+0x11a/0x570 [ 1281.342022] [] ? find_get_entry+0x141/0x570 [ 1281.342029] [] ? page_cache_prev_hole+0x80/0x80 [ 1281.342037] [] ? pagecache_get_page+0x131/0x710 [ 1281.342044] [] filemap_fault+0xaf1/0x1110 [ 1281.342053] [] ext4_filemap_fault+0x71/0xa0 [ 1281.342060] [] __do_fault+0x223/0x500 [ 1281.342067] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1281.342075] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1281.342082] [] handle_mm_fault+0x1326/0x2350 [ 1281.342089] [] ? vm_insert_page+0x6f0/0x6f0 [ 1281.342096] [] ? kasan_kmalloc.part.1+0xc9/0xf0 [ 1281.342106] [] __do_page_fault+0x403/0xa60 [ 1281.342113] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1281.342123] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1281.342130] [] do_page_fault+0x27/0x30 [ 1281.342138] [] page_fault+0x25/0x30 [ 1281.342144] [] ? 0xffffffff810002b8 [ 1281.342152] [] ? strncpy_from_user+0xa5/0x2e0 [ 1281.342159] [] ? strncpy_from_user+0xa7/0x2e0 [ 1281.342168] [] ? kmem_cache_alloc+0x246/0x2b0 [ 1281.342176] [] getname_flags+0x10b/0x550 [ 1281.342183] [] ? handle_mm_fault+0x54b/0x2350 [ 1281.342190] [] user_path_at_empty+0x2f/0x70 [ 1281.342198] [] vfs_fstatat+0xc6/0x170 [ 1281.342205] [] ? vfs_fstat+0x80/0x80 [ 1281.342213] [] SyS_newstat+0x86/0xf0 [ 1281.342221] [] ? SyS_fstat+0xf0/0xf0 [ 1281.342229] [] ? up_read+0x1a/0x40 [ 1281.342236] [] ? __do_page_fault+0x554/0xa60 [ 1281.342242] [] ? do_syscall_64+0x48/0x550 [ 1281.342249] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 1281.342257] [] ? SyS_fstat+0xf0/0xf0 [ 1281.342263] [] do_syscall_64+0x19f/0x550 [ 1281.342272] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 1281.342275] Mem-Info: [ 1281.342292] active_anon:5499 inactive_anon:41 isolated_anon:0 [ 1281.342292] active_file:8 inactive_file:51 isolated_file:0 [ 1281.342292] unevictable:0 dirty:2 writeback:0 unstable:0 [ 1281.342292] slab_reclaimable:4074 slab_unreclaimable:57675 [ 1281.342292] mapped:21 shmem:48 pagetables:390 bounce:0 [ 1281.342292] free:6004 free_pcp:166 free_cma:0 [ 1281.342305] Node 0 active_anon:21996kB inactive_anon:164kB active_file:32kB inactive_file:204kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:8kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1281.342324] DMA32 free:18596kB min:4696kB low:7712kB high:10728kB active_anon:72kB inactive_anon:0kB active_file:8kB inactive_file:112kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:196kB kernel_stack:128kB pagetables:4kB bounce:0kB free_pcp:360kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1281.342349] Normal free:5420kB min:5580kB low:9168kB high:12756kB active_anon:21924kB inactive_anon:164kB active_file:24kB inactive_file:92kB unevictable:0kB writepending:8kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16280kB slab_unreclaimable:230504kB kernel_stack:3968kB pagetables:1556kB bounce:0kB free_pcp:304kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1281.342411] DMA32: 5*4kB (MH) 12*8kB (MEH) 13*16kB (UMEH) 19*32kB (UMEH) 10*64kB (UMEH) 9*128kB (UME) 14*256kB (UME) 12*512kB (UME) 4*1024kB (U) 1*2048kB (U) 0*4096kB = 18596kB ** 152 printk messages dropped ** [ 1281.390425] [] ? do_page_mkwrite+0x3e0/0x3e0 ** 201 printk messages dropped ** [ 1291.209240] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 ** 101 printk messages dropped ** [ 1291.309370] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1291.309378] [] ? shrink_node+0x740/0x740 ** 1 printk messages dropped ** [ 1291.309395] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1291.309403] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1291.309412] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1291.309419] [] ? find_get_entry+0x11a/0x570 [ 1291.309426] [] ? find_get_entry+0x141/0x570 [ 1291.309433] [] ? page_cache_prev_hole+0x80/0x80 [ 1291.309442] [] ? autoremove_wake_function+0x40/0x40 [ 1291.309449] [] ? pagecache_get_page+0x131/0x710 [ 1291.309457] [] filemap_fault+0xaf1/0x1110 [ 1291.309465] [] ext4_filemap_fault+0x71/0xa0 [ 1291.309472] [] __do_fault+0x223/0x500 [ 1291.309479] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1291.309487] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1291.309494] [] handle_mm_fault+0x1326/0x2350 [ 1291.309501] [] ? vm_insert_page+0x6f0/0x6f0 [ 1291.309508] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1291.309517] [] __do_page_fault+0x403/0xa60 [ 1291.309524] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1291.309534] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1291.309541] [] do_page_fault+0x27/0x30 [ 1291.309549] [] page_fault+0x25/0x30 [ 1291.309552] Mem-Info: [ 1291.309568] active_anon:5499 inactive_anon:41 isolated_anon:0 [ 1291.309568] active_file:8 inactive_file:51 isolated_file:0 [ 1291.309568] unevictable:0 dirty:2 writeback:0 unstable:0 [ 1291.309568] slab_reclaimable:4074 slab_unreclaimable:57675 [ 1291.309568] mapped:21 shmem:48 pagetables:390 bounce:0 [ 1291.309568] free:6004 free_pcp:166 free_cma:0 [ 1291.309582] Node 0 active_anon:21996kB inactive_anon:164kB active_file:32kB inactive_file:204kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:8kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1291.309600] DMA32 free:18596kB min:4696kB low:7712kB high:10728kB active_anon:72kB inactive_anon:0kB active_file:8kB inactive_file:112kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:196kB kernel_stack:128kB pagetables:4kB bounce:0kB free_pcp:360kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1291.309626] Normal free:5420kB min:5580kB low:9168kB high:12756kB active_anon:21924kB inactive_anon:164kB active_file:24kB inactive_file:92kB unevictable:0kB writepending:8kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16280kB slab_unreclaimable:230504kB kernel_stack:3968kB pagetables:1556kB bounce:0kB free_pcp:304kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1291.309686] DMA32: 5*4kB (MH) 12*8kB (MEH) 13*16kB (UMEH) 19*32kB (UMEH) 10*64kB (UMEH) 9*128kB (UME) 14*256kB (UME) 12*512kB (UME) 4*1024kB (U) 1*2048kB (U) 0*4096kB = 18596kB Normal: 231*4kB (UM) 106*8kB (MEH) 78*16kB (UME) 33*32kB (UMH) 11*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5420kB 109 total pagecache pages [ 1291.309733] 0 pages in swap cache [ 1291.309737] Swap cache stats: add 0, delete 0, find 0/0 [ 1291.309739] Free swap = 0kB [ 1291.309741] Total swap = 0kB [ 1291.309743] 1965979 pages RAM [ 1291.309745] 0 pages HighMem/MovableOnly [ 1291.309748] 313617 pages reserved [ 1291.330259] init: page allocation stalls for 260040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1291.330266] CPU: 0 PID: 1 Comm: init Not tainted 4.9.141+ #1 [ 1291.330279] ffff8801da607450 ffffffff81b42e79 1ffff1003b4c0e8c ffff8801da5f8000 [ 1291.330289] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da607598 [ 1291.330299] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1291.330300] Call Trace: [ 1291.330312] [] dump_stack+0xc1/0x128 [ 1291.330321] [] warn_alloc.cold.31+0x7f/0x9c [ 1291.330330] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1291.330338] [] ? shrink_node+0x740/0x740 [ 1291.330347] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1291.330354] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1291.330363] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1291.330371] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1291.330378] [] ? find_get_entry+0x11a/0x570 [ 1291.330385] [] ? find_get_entry+0x141/0x570 [ 1291.330392] [] ? page_cache_prev_hole+0x80/0x80 [ 1291.330400] [] ? pagecache_get_page+0x131/0x710 [ 1291.330407] [] filemap_fault+0xaf1/0x1110 [ 1291.330415] [] ext4_filemap_fault+0x71/0xa0 [ 1291.330422] [] __do_fault+0x223/0x500 [ 1291.330429] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1291.330437] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1291.330444] [] handle_mm_fault+0x1326/0x2350 [ 1291.330451] [] ? vm_insert_page+0x6f0/0x6f0 [ 1291.330458] [] ? kasan_kmalloc.part.1+0xc9/0xf0 [ 1291.330466] [] __do_page_fault+0x403/0xa60 [ 1291.330474] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1291.330483] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1291.330490] [] do_page_fault+0x27/0x30 [ 1291.330497] [] page_fault+0x25/0x30 [ 1291.330503] [] ? 0xffffffff810002b8 [ 1291.330511] [] ? strncpy_from_user+0xa5/0x2e0 [ 1291.330517] [] ? strncpy_from_user+0xa7/0x2e0 [ 1291.330525] [] ? kmem_cache_alloc+0x246/0x2b0 [ 1291.330533] [] getname_flags+0x10b/0x550 [ 1291.330540] [] ? handle_mm_fault+0x54b/0x2350 [ 1291.330548] [] user_path_at_empty+0x2f/0x70 [ 1291.330555] [] vfs_fstatat+0xc6/0x170 [ 1291.330563] [] ? vfs_fstat+0x80/0x80 [ 1291.330570] [] SyS_newstat+0x86/0xf0 [ 1291.330578] [] ? SyS_fstat+0xf0/0xf0 [ 1291.330586] [] ? up_read+0x1a/0x40 [ 1291.330593] [] ? __do_page_fault+0x554/0xa60 [ 1291.330600] [] ? do_syscall_64+0x48/0x550 [ 1291.330607] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 1291.330614] [] ? SyS_fstat+0xf0/0xf0 [ 1291.330620] [] do_syscall_64+0x19f/0x550 [ 1291.330628] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 1291.330632] Mem-Info: [ 1291.330647] active_anon:5499 inactive_anon:41 isolated_anon:0 [ 1291.330647] active_file:8 inactive_file:51 isolated_file:0 [ 1291.330647] unevictable:0 dirty:2 writeback:0 unstable:0 [ 1291.330647] slab_reclaimable:4074 slab_unreclaimable:57675 [ 1291.330647] mapped:21 shmem:48 pagetables:390 bounce:0 [ 1291.330647] free:6004 free_pcp:166 free_cma:0 [ 1291.330660] Node 0 active_anon:21996kB inactive_anon:164kB active_file:32kB inactive_file:204kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:8kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1291.330682] DMA32 free:18596kB min:4696kB low:7712kB high:10728kB active_anon:72kB inactive_anon:0kB active_file:8kB inactive_file:112kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:196kB kernel_stack:128kB pagetables:4kB bounce:0kB free_pcp:360kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1291.330708] Normal free:5420kB min:5580kB low:9168kB high:12756kB active_anon:21924kB inactive_anon:164kB active_file:24kB inactive_file:92kB unevictable:0kB writepending:8kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16280kB slab_unreclaimable:230504kB kernel_stack:3968kB pagetables:1556kB bounce:0kB free_pcp:304kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1291.330763] DMA32: 5*4kB (MH) 12*8kB (MEH) 13*16kB (UMEH) 19*32kB (UMEH) 10*64kB (UMEH) 9*128kB (UME) 14*256kB (UME) 12*512kB (UME) 4*1024kB (U) 1*2048kB (U) 0*4096kB = 18596kB Normal: 231*4kB (UM) 106*8kB (MEH) 78*16kB (UME) 33*32kB (UMH) 11*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5420kB ** 160 printk messages dropped ** [ 1291.386892] 0 pages HighMem/MovableOnly ** 83 printk messages dropped ** [ 1297.482699] lowmemorykiller: Killing 'syz-executor.4' (2399) (tgid 2398), adj 1000, [ 1297.482699] to free 140kB on behalf of 'syz-executor.1' (2232) because [ 1297.482699] cache 244kB is below limit 6144kB for oom_score_adj 0 [ 1297.482699] Free memory is -13488kB above reserved ** 210 printk messages dropped ** [ 1301.304740] Call Trace: [ 1301.304754] [] dump_stack+0xc1/0x128 [ 1301.304763] [] warn_alloc.cold.31+0x7f/0x9c [ 1301.304772] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1301.304781] [] ? shrink_node+0x740/0x740 [ 1301.304790] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1301.304797] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1301.304806] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1301.304814] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1301.304822] [] ? find_get_entry+0x11a/0x570 [ 1301.304829] [] ? find_get_entry+0x141/0x570 [ 1301.304836] [] ? page_cache_prev_hole+0x80/0x80 [ 1301.304843] [] ? pagecache_get_page+0x131/0x710 [ 1301.304851] [] filemap_fault+0xaf1/0x1110 [ 1301.304860] [] ext4_filemap_fault+0x71/0xa0 [ 1301.304867] [] __do_fault+0x223/0x500 [ 1301.304874] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1301.304882] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1301.304889] [] handle_mm_fault+0x1326/0x2350 [ 1301.304896] [] ? vm_insert_page+0x6f0/0x6f0 [ 1301.304903] [] ? kasan_kmalloc.part.1+0xc9/0xf0 [ 1301.304912] [] __do_page_fault+0x403/0xa60 [ 1301.304919] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1301.304928] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1301.304935] [] do_page_fault+0x27/0x30 [ 1301.304943] [] page_fault+0x25/0x30 [ 1301.304949] [] ? 0xffffffff810002b8 [ 1301.304963] [] ? strncpy_from_user+0xa5/0x2e0 [ 1301.304970] [] ? strncpy_from_user+0xa7/0x2e0 [ 1301.304979] [] ? kmem_cache_alloc+0x246/0x2b0 [ 1301.304987] [] getname_flags+0x10b/0x550 [ 1301.304994] [] ? handle_mm_fault+0x54b/0x2350 [ 1301.305002] [] user_path_at_empty+0x2f/0x70 [ 1301.305010] [] vfs_fstatat+0xc6/0x170 [ 1301.305017] [] ? vfs_fstat+0x80/0x80 [ 1301.305025] [] SyS_newstat+0x86/0xf0 [ 1301.305032] [] ? SyS_fstat+0xf0/0xf0 [ 1301.305041] [] ? up_read+0x1a/0x40 [ 1301.305048] [] ? __do_page_fault+0x554/0xa60 [ 1301.305055] [] ? do_syscall_64+0x48/0x550 [ 1301.305062] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 1301.305069] [] ? SyS_fstat+0xf0/0xf0 [ 1301.305076] [] do_syscall_64+0x19f/0x550 [ 1301.305084] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 1301.305087] Mem-Info: [ 1301.305103] active_anon:5499 inactive_anon:41 isolated_anon:0 [ 1301.305103] active_file:8 inactive_file:51 isolated_file:0 [ 1301.305103] unevictable:0 dirty:2 writeback:0 unstable:0 [ 1301.305103] slab_reclaimable:4074 slab_unreclaimable:57676 [ 1301.305103] mapped:21 shmem:48 pagetables:390 bounce:0 [ 1301.305103] free:6004 free_pcp:165 free_cma:0 [ 1301.305116] Node 0 active_anon:21996kB inactive_anon:164kB active_file:32kB inactive_file:204kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:8kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 1301.305134] DMA32 free:18596kB min:4696kB low:7712kB high:10728kB active_anon:72kB inactive_anon:0kB active_file:8kB inactive_file:112kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:196kB kernel_stack:128kB pagetables:4kB bounce:0kB free_pcp:360kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 1301.305160] Normal free:5420kB min:5580kB low:9168kB high:12756kB active_anon:21924kB inactive_anon:164kB active_file:24kB inactive_file:92kB unevictable:0kB writepending:8kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16280kB slab_unreclaimable:230508kB kernel_stack:3968kB pagetables:1556kB bounce:0kB free_pcp:300kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 1301.305216] DMA32: 5*4kB (MH) 12*8kB (MEH) 13*16kB (UMEH) 19*32kB (UMEH) 10*64kB (UMEH) 9*128kB (UME) 14*256kB (UME) 12*512kB (UME) 4*1024kB (U) 1*2048kB (U) 0*4096kB = 18596kB Normal: 231*4kB (UM) 106*8kB (MEH) 78*16kB (UME) 33*32kB (UMH) 11*64kB (UMH) 3*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5420kB 109 total pagecache pages [ 1301.305262] 0 pages in swap cache [ 1301.305266] Swap cache stats: add 0, delete 0, find 0/0 [ 1301.305268] Free swap = 0kB [ 1301.305270] Total swap = 0kB [ 1301.305273] 1965979 pages RAM [ 1301.305275] 0 pages HighMem/MovableOnly [ 1301.305277] 313617 pages reserved [ 1301.326360] syz-executor.0: page allocation stalls for 270010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 1301.326367] CPU: 0 PID: 2235 Comm: syz-executor.0 Not tainted 4.9.141+ #1 [ 1301.326380] ffff8801cfd5f7c0 ffffffff81b42e79 1ffff10039fabefa ffff8801c979df00 [ 1301.326390] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cfd5f908 [ 1301.326400] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 1301.326402] Call Trace: [ 1301.326413] [] dump_stack+0xc1/0x128 [ 1301.326422] [] warn_alloc.cold.31+0x7f/0x9c [ 1301.326431] [] ? zone_watermark_ok_safe+0x250/0x250 [ 1301.326439] [] ? shrink_node+0x740/0x740 [ 1301.326448] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 1301.326455] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1301.326463] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 1301.326471] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 1301.326478] [] ? find_get_entry+0x11a/0x570 [ 1301.326485] [] ? find_get_entry+0x141/0x570 [ 1301.326492] [] ? page_cache_prev_hole+0x80/0x80 [ 1301.326501] [] ? autoremove_wake_function+0x40/0x40 [ 1301.326508] [] ? pagecache_get_page+0x131/0x710 [ 1301.326516] [] filemap_fault+0xaf1/0x1110 [ 1301.326524] [] ext4_filemap_fault+0x71/0xa0 [ 1301.326531] [] __do_fault+0x223/0x500 [ 1301.326537] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 1301.326546] [] ? generic_file_readonly_mmap+0x190/0x190 [ 1301.326553] [] handle_mm_fault+0x1326/0x2350 [ 1301.326560] [] ? vm_insert_page+0x6f0/0x6f0 [ 1301.326567] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1301.326575] [] __do_page_fault+0x403/0xa60 [ 1301.326583] [] ? bad_area_access_error+0x3a0/0x3a0 [ 1301.326591] [] ? trace_hardirqs_off_thunk+0x1a/0x1c