I can hit this bug with Linux 4.11 and 4.8. (i.e. at least all 4.8+ have this bug.) So far I haven't hit this bug with Linux 4.8-rc3 and 4.7. Does anyone know what is happening? As of v4.8: ** 1516 printk messages dropped ** [ 131.524698] BUG: unable to handle kernel paging request at 0158de94 ** 2263 printk messages dropped ** [ 131.529186] Modules linked in: ip6t_rpfilter ipt_REJECT nf_reject_ipv4 ip6t_REJECT nf_reject_ipv6 xt_conntrack ip_set nfnetlink ebtable_nat ebtable_broute bridge stp llc ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_raw iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_raw ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter intel_powerclamp coretemp ppdev vmw_balloon pcspkr shpchp sg vmw_vmci parport_pc parport i2c_piix4 ip_tables xfs libcrc32c sr_mod cdrom sd_mod ata_generic pata_acpi serio_raw mptspi scsi_transport_spi mptscsih e1000 mptbase ata_piix libata ** 11660 printk messages dropped ** [ 131.563480] Call Trace: ** 1274 printk messages dropped ** [ 131.567313] [<c55de022>] schedule+0x52/0x70 ** 1554 printk messages dropped ** [ 131.572008] ------------[ cut here ]------------ ** 1669 printk messages dropped ** [ 131.577027] [<c55de022>] schedule+0x52/0x70 ** 1185 printk messages dropped ** [ 131.580606] IP: [<c523a834>] blk_flush_plug_list+0x54/0x210 ** 1256 printk messages dropped ** [ 131.584396] ESI: 00000001 EDI: e658de3c EBP: e658df58 ESP: e658df2c ** 1719 printk messages dropped ** [ 131.589577] ESI: 00000001 EDI: e658de3c EBP: e658df58 ESP: e658df2c ** 1898 printk messages dropped ** [ 131.595393] Call Trace: ** 952 printk messages dropped ** [ 131.598851] ---[ end trace 27af91326c31342e ]--- ** 1522 printk messages dropped ** [ 131.603609] BUG: unable to handle kernel paging request at 0158de94 ** 2167 printk messages dropped ** [ 131.610234] Call Trace: ** 1184 printk messages dropped ** [ 131.613877] Fixing recursive fault but reboot is needed! ** 1524 printk messages dropped ** [ 131.618480] [<c55de022>] schedule+0x52/0x70 ** 1379 printk messages dropped ** [ 131.622669] EIP: [<c523a834>] blk_flush_plug_list+0x54/0x210 SS:ESP 0068:e658df2c ** 2273 printk messages dropped ** [ 131.629554] Call Trace: ** 1143 printk messages dropped ** [ 131.633005] IP: [<c523a834>] blk_flush_plug_list+0x54/0x210 ** 1537 printk messages dropped ** [ 131.637673] Call Trace: ** 1170 printk messages dropped ** [ 131.641177] IP: [<c523a834>] blk_flush_plug_list+0x54/0x210 ** 1476 printk messages dropped ** [ 131.645634] 00000009 e658e000 eb265a40 e658df64 c55de022 00000009 e658dfac c50545b0 ** 2235 printk messages dropped ** [ 131.652386] 00000009 e658e000 eb265a40 e658df64 c55de022 00000009 e658dfac c50545b0 ** 2282 printk messages dropped ** [ 131.659252] [<c50545b0>] do_exit+0x9d0/0xa30 ** 1341 printk messages dropped ** [ 131.663305] CPU: 7 PID: 7783 Comm: a.out Tainted: G D W 4.8.0 #1 ** 2146 printk messages dropped ** [ 131.669755] ------------[ cut here ]------------ ** 1362 printk messages dropped ** [ 131.673851] CR0: 80050033 CR2: 0158de94 CR3: 33233000 CR4: 000406d0 ** 2052 printk messages dropped ** [ 131.680023] *pde = 00000000 ** 1165 printk messages dropped ** [ 131.683703] task: eb265a40 task.stack: e658c000 ** 1326 printk messages dropped ** [ 131.687678] IP: [<c523a834>] blk_flush_plug_list+0x54/0x210 ** 1436 printk messages dropped ** [ 131.692003] [<c55de022>] schedule+0x52/0x70 ** 1287 printk messages dropped ** [ 131.695871] c576539c 00000000 00000000 eb265a40 eb265dfc 00000001 eb265c98 eb265a40 ** 2133 printk messages dropped ** [ 131.702282] IP: [<c523a834>] blk_flush_plug_list+0x54/0x210 ** 1435 printk messages dropped ** [ 131.706608] Call Trace: ** 1118 printk messages dropped ** [ 131.709977] [<c55de022>] schedule+0x52/0x70 ** 1295 printk messages dropped ** [ 131.713889] ---[ end trace 27af91326c313b16 ]--- ** 1332 printk messages dropped ** [ 131.717899] ---[ end trace 27af91326c313b54 ]--- ** 1321 printk messages dropped ** [ 131.721862] Stack: ** 1029 printk messages dropped ** [ 131.724942] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 ** 1381 printk messages dropped ** [ 131.729095] Call Trace: ** 1057 printk messages dropped ** [ 131.732279] IP: [<c523a834>] blk_flush_plug_list+0x54/0x210 ** 1392 printk messages dropped ** [ 131.736474] Call Trace: ** 1074 printk messages dropped ** [ 131.739687] Call Trace: ** 1036 printk messages dropped ** [ 131.742845] EIP: [<c523a834>] blk_flush_plug_list+0x54/0x210 SS:ESP 0068:e658df2c ** 2017 printk messages dropped ** [ 131.748890] [<c50545b0>] do_exit+0x9d0/0xa30 ** 1273 printk messages dropped ** [ 131.752731] Modules linked in: ip6t_rpfilter ipt_REJECT nf_reject_ipv4 ip6t_REJECT nf_reject_ipv6 xt_conntrack ip_set nfnetlink ebtable_nat ebtable_broute bridge stp llc ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_raw iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_raw ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter intel_powerclamp coretemp ppdev vmw_balloon pcspkr shpchp sg vmw_vmci parport_pc parport i2c_piix4 ip_tables xfs libcrc32c sr_mod cdrom sd_mod ata_generic pata_acpi serio_raw mptspi scsi_transport_spi mptscsih e1000 mptbase ata_piix libata ** 10488 printk messages dropped ** [ 131.784217] IP: [<c523a834>] blk_flush_plug_list+0x54/0x210 ** 1465 printk messages dropped ** [ 131.788624] CPU: 7 PID: 7783 Comm: a.out Tainted: G D W 4.8.0 #1 ** 2119 printk messages dropped ** [ 131.794935] Call Trace: ** 1155 printk messages dropped ** [ 131.798375] CR0: 80050033 CR2: 0158de94 CR3: 33233000 CR4: 000406d0 ** 2051 printk messages dropped ** [ 131.804506] IP: [<c523a834>] blk_flush_plug_list+0x54/0x210 ** 1457 printk messages dropped ** [ 131.808872] [<c55e2291>] rewind_stack_do_exit+0x11/0x13 ** 1459 printk messages dropped ** [ 131.813214] [<c5050d35>] warn_slowpath_null+0x25/0x30 ** 1418 printk messages dropped ** [ 131.817447] [<c5050d35>] warn_slowpath_null+0x25/0x30 ** 1405 printk messages dropped ** [ 131.821640] ---[ end trace 27af91326c31419e ]--- ** 1332 printk messages dropped ** [ 131.825618] ---[ end trace 27af91326c3141dc ]--- As of v4.11: [ 159.748100] BUG: unable to handle kernel paging request at f6f48ca4 [ 159.748106] IP: page_remove_rmap+0x7/0x2c0 [ 159.748107] *pde = 3732c067 [ 159.748108] *pte = 36f48062 [ 159.748109] [ 159.748111] Oops: 0000 [#1] SMP DEBUG_PAGEALLOC [ 159.748112] Modules linked in: ip6t_rpfilter ipt_REJECT nf_reject_ipv4 ip6t_REJECT nf_reject_ipv6 xt_conntrack ip_set nfnetlink ebtable_nat ebtable_broute bridge stp llc ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_raw iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_raw ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter coretemp sg ppdev vmw_balloon pcspkr vmw_vmci shpchp parport_pc i2c_piix4 parport ip_tables xfs libcrc32c sr_mod cdrom sd_mod ata_generic pata_acpi serio_raw mptspi scsi_transport_spi mptscsih e1000 mptbase ata_piix libata [ 159.748149] CPU: 7 PID: 74 Comm: kswapd0 Not tainted 4.11.0 #266 [ 159.748150] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/02/2015 [ 159.748151] task: f3822840 task.stack: f3766000 [ 159.748153] EIP: page_remove_rmap+0x7/0x2c0 [ 159.748153] EFLAGS: 00010246 CPU: 7 [ 159.748155] EAX: f6f48c90 EBX: f6f48c90 ECX: 00000000 EDX: 00000000 [ 159.748156] ESI: e8e78e00 EDI: 000002a2 EBP: f3767c30 ESP: f3767c28 [ 159.748157] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [ 159.748158] CR0: 80050033 CR2: f6f48ca4 CR3: 24c10000 CR4: 000406d0 [ 159.748239] Call Trace: [ 159.748255] try_to_unmap_one+0x206/0x4f0 [ 159.748261] rmap_walk_file+0x13c/0x270 [ 159.748262] rmap_walk+0x32/0x60 [ 159.748264] try_to_unmap+0xad/0x150 [ 159.748265] ? page_remove_rmap+0x2c0/0x2c0 [ 159.748267] ? page_not_mapped+0x10/0x10 [ 159.748268] ? page_get_anon_vma+0x90/0x90 [ 159.748271] shrink_page_list+0x37a/0xd10 [ 159.748274] shrink_inactive_list+0x173/0x370 [ 159.748277] shrink_node_memcg+0x572/0x7d0 [ 159.748279] ? __list_lru_count_one.isra.7+0x14/0x40 [ 159.748282] shrink_node+0xb3/0x2c0 [ 159.748284] kswapd+0x287/0x5b0 [ 159.748287] kthread+0xd7/0x110 [ 159.748289] ? mem_cgroup_shrink_node+0xa0/0xa0 [ 159.748291] ? kthread_park+0x70/0x70 [ 159.748294] ret_from_fork+0x21/0x2c [ 159.748295] Code: ff ff ba 78 50 7a c1 89 d8 e8 a6 f8 fe ff 0f 0b 83 e8 01 e9 66 ff ff ff 8d b6 00 00 00 00 8d bf 00 00 00 00 55 89 e5 56 53 89 c3 <8b> 40 14 a8 01 0f 85 a4 01 00 00 89 d8 f6 40 04 01 74 5e 84 d2 [ 159.748321] EIP: page_remove_rmap+0x7/0x2c0 SS:ESP: 0068:f3767c28 [ 159.748321] CR2: 00000000f6f48ca4 [ 159.748324] ---[ end trace e46bc6bd14f9eb43 ]--- As of ad6b67041a45497261617d7a28b15159b202cb5a: [ 79.478257] BUG: unable to handle kernel paging request at f6df5974 [ 79.478263] IP: page_remove_rmap+0x7/0x2c0 [ 79.478264] *pde = 3732c067 [ 79.478265] *pte = 36df5062 [ 79.478265] [ 79.478268] Oops: 0000 [#1] SMP DEBUG_PAGEALLOC [ 79.478269] Modules linked in: ip6t_rpfilter ipt_REJECT nf_reject_ipv4 ip6t_REJECT nf_reject_ipv6 xt_conntrack ip_set nfnetlink ebtable_nat ebtable_broute bridge stp llc ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_raw iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_raw ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter coretemp sg ppdev vmw_balloon pcspkr vmw_vmci parport_pc shpchp i2c_piix4 parport ip_tables xfs libcrc32c sr_mod cdrom sd_mod ata_generic pata_acpi serio_raw mptspi scsi_transport_spi mptscsih e1000 mptbase ata_piix libata [ 79.478303] CPU: 5 PID: 978 Comm: a.out Not tainted 4.11.0+ #275 [ 79.478304] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/02/2015 [ 79.478306] task: f15d9e40 task.stack: f0cc8000 [ 79.478307] EIP: page_remove_rmap+0x7/0x2c0 [ 79.478308] EFLAGS: 00010246 CPU: 5 [ 79.478309] EAX: f6df5960 EBX: f6df5960 ECX: 00000000 EDX: 00000000 [ 79.478310] ESI: f70d3218 EDI: 0000000f EBP: f0cc9ab8 ESP: f0cc9ab0 [ 79.478311] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [ 79.478313] CR0: 80050033 CR2: f6df5974 CR3: 30b18000 CR4: 000406d0 [ 79.478420] Call Trace: [ 79.478424] try_to_unmap_one+0x200/0x540 [ 79.478426] rmap_walk_file+0x13c/0x270 [ 79.478428] rmap_walk+0x32/0x60 [ 79.478429] try_to_unmap+0x9d/0x120 [ 79.478431] ? page_remove_rmap+0x2c0/0x2c0 [ 79.478432] ? page_not_mapped+0x10/0x10 [ 79.478434] ? page_get_anon_vma+0x80/0x80 [ 79.478437] shrink_page_list+0x38d/0xdd0 [ 79.478440] shrink_inactive_list+0x173/0x360 [ 79.478443] shrink_node_memcg+0x33a/0x720 [ 79.478446] shrink_node+0xbb/0x2e0 [ 79.478449] do_try_to_free_pages+0xb2/0x2a0 [ 79.478451] try_to_free_pages+0xf9/0x330 [ 79.478455] ? schedule_timeout+0x142/0x200 [ 79.478458] __alloc_pages_slowpath+0x343/0x6f8 [ 79.478460] __alloc_pages_nodemask+0x1aa/0x1c0 [ 79.478464] handle_mm_fault+0x5c9/0xdb0 ** 49 printk messages dropped ** [ 79.572015] Code: 55 d4 88 55 db 89 5d e8 89 5d ec 89 45 dc 90 8b 47 10 39 45 dc 74 52 8b 47 10 39 45 dc 74 20 8b 4f 10 8b 45 e8 8b 57 14 89 4d e8 <89> 59 04 89 02 89 50 04 8b 45 dc 89 47 10 89 47 14 8d 76 00 8b As of 192d7232569ab61ded40c8be691b12832bc6bcd1: [ 192.152510] BUG: Bad page state in process a.out pfn:18566 [ 192.152513] page:f72997f0 count:0 mapcount:8 mapping:f118f5a4 index:0x0 [ 192.152516] flags: 0x19010019(locked|uptodate|dirty|mappedtodisk) [ 192.152520] raw: 19010019 f118f5a4 00000000 00000007 00000000 f7299804 f7299804 00000000 [ 192.152521] raw: 00000000 00000000 [ 192.152521] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 192.152522] bad because of flags: 0x1(locked) [ 192.152523] Modules linked in: ip6t_rpfilter ipt_REJECT nf_reject_ipv4 ip6t_REJECT nf_reject_ipv6 xt_conntrack ip_set nfnetlink ebtable_nat ebtable_broute bridge stp llc ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_raw iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_raw ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter coretemp pcspkr sg vmw_balloon ppdev shpchp parport_pc parport vmw_vmci i2c_piix4 ip_tables xfs libcrc32c sr_mod cdrom sd_mod ata_generic pata_acpi serio_raw mptspi scsi_transport_spi ata_piix mptscsih e1000 mptbase libata [ 192.152561] CPU: 0 PID: 9717 Comm: a.out Not tainted 4.11.0+ #276 [ 192.152562] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/02/2015 [ 192.152563] Call Trace: [ 192.152572] dump_stack+0x58/0x76 [ 192.152577] bad_page+0xbf/0x130 [ 192.152581] free_pages_check_bad+0x5b/0x5e [ 192.152583] free_hot_cold_page+0x211/0x250 [ 192.152586] __put_page+0x30/0x40 [ 192.152588] try_to_unmap_one+0x375/0x550 [ 192.152590] rmap_walk_file+0x13c/0x270 [ 192.152592] rmap_walk+0x32/0x60 [ 192.152593] try_to_unmap+0x9d/0x120 [ 192.152595] ? page_remove_rmap+0x2c0/0x2c0 [ 192.152596] ? page_not_mapped+0x10/0x10 [ 192.152598] ? page_get_anon_vma+0x80/0x80 [ 192.152601] shrink_page_list+0x376/0xdf0 [ 192.152604] shrink_inactive_list+0x173/0x360 [ 192.152607] shrink_node_memcg+0x33a/0x720 [ 192.152609] shrink_node+0xbb/0x2e0 [ 192.152612] do_try_to_free_pages+0xb2/0x2a0 [ 192.152615] try_to_free_pages+0xf9/0x330 [ 192.152619] ? schedule_timeout+0x142/0x200 [ 192.152622] __alloc_pages_slowpath+0x343/0x6f8 [ 192.152624] __alloc_pages_nodemask+0x1aa/0x1c0 [ 192.152627] handle_mm_fault+0x5c9/0xdb0 [ 192.152629] ? filemap_fdatawait+0x50/0x50 [ 192.152633] __do_page_fault+0x19c/0x460 [ 192.152635] ? __do_page_fault+0x460/0x460 [ 192.152637] do_page_fault+0x1a/0x20 [ 192.152639] common_exception+0x6c/0x72 [ 192.152641] EIP: 0x804858f [ 192.152642] EFLAGS: 00010202 CPU: 0 [ 192.152643] EAX: 02d8b000 EBX: 37689008 ECX: 3a414008 EDX: 00000000 [ 192.152644] ESI: 7ff00000 EDI: 00000000 EBP: bfd2b608 ESP: bfd2b5d0 [ 192.152645] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b [ 192.152647] Disabling lock debugging due to kernel taint [ 192.152652] page:f72997f0 count:0 mapcount:0 mapping:f118f5a4 index:0x0 [ 192.152654] flags: 0x19030078(uptodate|dirty|lru|active|mappedtodisk|reclaim) [ 192.152656] raw: 19030078 f118f5a4 00000000 ffffffff 00000000 f400c2d8 f400c2d8 00000000 [ 192.152657] raw: 00000000 00000000 [ 192.152658] page dumped because: VM_BUG_ON_PAGE(page_ref_count(page) == 0) [ 192.152668] ------------[ cut here ]------------ [ 192.152669] kernel BUG at ./include/linux/mm.h:466! [ 192.152671] invalid opcode: 0000 [#1] SMP DEBUG_PAGEALLOC [ 192.152672] Modules linked in: ip6t_rpfilter ipt_REJECT nf_reject_ipv4 ip6t_REJECT nf_reject_ipv6 xt_conntrack ip_set nfnetlink ebtable_nat ebtable_broute bridge stp llc ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_raw iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_raw ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter coretemp pcspkr sg vmw_balloon ppdev shpchp parport_pc parport vmw_vmci i2c_piix4 ip_tables xfs libcrc32c sr_mod cdrom sd_mod ata_generic pata_acpi serio_raw mptspi scsi_transport_spi ata_piix mptscsih e1000 mptbase libata [ 192.152697] CPU: 0 PID: 9717 Comm: a.out Tainted: G B 4.11.0+ #276 [ 192.152698] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/02/2015 [ 192.152699] task: def05a40 task.stack: dde1a000 [ 192.152701] EIP: put_page_testzero.part.46+0xd/0xf [ 192.152702] EFLAGS: 00010092 CPU: 0 [ 192.152703] EAX: 00000000 EBX: f400c2c0 ECX: c1870e80 EDX: 00000002 [ 192.152704] ESI: f7299804 EDI: 00000003 EBP: dde1bbec ESP: dde1bbec [ 192.152705] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [ 192.152706] CR0: 80050033 CR2: b7505dec CR3: 2c682000 CR4: 000406d0 [ 192.152793] Call Trace: [ 192.152797] putback_inactive_pages+0x384/0x3c0 [ 192.152800] shrink_inactive_list+0x193/0x360 [ 192.152802] shrink_node_memcg+0x33a/0x720 [ 192.152805] shrink_node+0xbb/0x2e0 [ 192.152808] do_try_to_free_pages+0xb2/0x2a0 [ 192.152810] try_to_free_pages+0xf9/0x330 [ 192.152813] ? schedule_timeout+0x142/0x200 [ 192.152815] __alloc_pages_slowpath+0x343/0x6f8 [ 192.152817] __alloc_pages_nodemask+0x1aa/0x1c0 [ 192.152819] handle_mm_fault+0x5c9/0xdb0 [ 192.152821] ? filemap_fdatawait+0x50/0x50 [ 192.152824] __do_page_fault+0x19c/0x460 [ 192.152826] ? __do_page_fault+0x460/0x460 [ 192.152827] do_page_fault+0x1a/0x20 [ 192.152829] common_exception+0x6c/0x72 [ 192.152830] EIP: 0x804858f [ 192.152830] EFLAGS: 00010202 CPU: 0 [ 192.152831] EAX: 02d8b000 EBX: 37689008 ECX: 3a414008 EDX: 00000000 [ 192.152832] ESI: 7ff00000 EDI: 00000000 EBP: bfd2b608 ESP: bfd2b5d0 [ 192.152834] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b [ 192.152835] Code: c1 89 e5 e8 5e dd fb ff 0f 0b 55 89 e5 0f 0b 55 ba 70 82 7a c1 89 e5 e8 4a dd fb ff 0f 0b 55 ba 20 e0 78 c1 89 e5 e8 3b dd fb ff <0f> 0b 55 ba 88 70 7a c1 89 e5 e8 2c dd fb ff 0f 0b 55 ba 6c 81 [ 192.152860] EIP: put_page_testzero.part.46+0xd/0xf SS:ESP: 0068:dde1bbec [ 192.152862] ---[ end trace fc4e4fddd132aaf1 ]--- As of 22ffb33f4620b502799877d4186502bfe20621ea: [ 77.872133] BUG: Bad page state in process a.out pfn:1873a [ 77.872136] page:f729e110 count:0 mapcount:6 mapping:f1187224 index:0x0 [ 77.872138] flags: 0x19010019(locked|uptodate|dirty|mappedtodisk) [ 77.872141] raw: 19010019 f1187224 00000000 00000005 00000000 f729e124 f729e124 00000000 [ 77.872141] raw: 00000000 00000000 [ 77.872142] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 77.872142] bad because of flags: 0x1(locked) [ 77.872143] Modules linked in: ip6t_rpfilter ipt_REJECT nf_reject_ipv4 ip6t_REJECT nf_reject_ipv6 xt_conntrack ip_set nfnetlink ebtable_nat ebtable_broute bridge stp llc ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_raw iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_raw ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter coretemp ppdev pcspkr vmw_balloon sg vmw_vmci shpchp parport_pc parport i2c_piix4 ip_tables xfs libcrc32c sr_mod cdrom sd_mod ata_generic pata_acpi serio_raw mptspi scsi_transport_spi mptscsih ata_piix e1000 mptbase libata [ 77.872170] CPU: 6 PID: 1538 Comm: a.out Not tainted 4.11.0+ #277 [ 77.872171] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/02/2015 [ 77.872172] Call Trace: [ 77.872179] dump_stack+0x58/0x76 [ 77.872183] bad_page+0xbf/0x130 [ 77.872185] free_pages_check_bad+0x5b/0x5e [ 77.872186] free_hot_cold_page+0x211/0x250 [ 77.872188] __put_page+0x30/0x40 [ 77.872190] try_to_unmap_one+0x375/0x550 [ 77.872191] rmap_walk_file+0x13c/0x270 [ 77.872192] rmap_walk+0x32/0x60 [ 77.872193] try_to_unmap+0x9d/0x120 [ 77.872195] ? page_remove_rmap+0x2c0/0x2c0 [ 77.872195] ? page_not_mapped+0x10/0x10 [ 77.872196] ? page_get_anon_vma+0x80/0x80 [ 77.872198] shrink_page_list+0x376/0xdf0 [ 77.872201] shrink_inactive_list+0x173/0x360 [ 77.872203] shrink_node_memcg+0x33a/0x720 [ 77.872205] shrink_node+0xbb/0x2e0 [ 77.872207] do_try_to_free_pages+0xb2/0x2a0 [ 77.872209] try_to_free_pages+0xf9/0x330 [ 77.872211] __alloc_pages_slowpath+0x343/0x6f8 [ 77.872212] __alloc_pages_nodemask+0x1aa/0x1c0 [ 77.872214] pagecache_get_page+0x56/0x250 [ 77.872217] ? common_exception+0x6c/0x72 [ 77.872218] grab_cache_page_write_begin+0x20/0x40 [ 77.872221] iomap_write_begin+0x6b/0xf0 [ 77.872223] ? iov_iter_fault_in_readable+0x7b/0xd0 [ 77.872224] iomap_write_actor+0xcc/0x1c0 [ 77.872226] ? iomap_write_end+0x70/0x70 [ 77.872228] iomap_apply+0x117/0x1a0 [ 77.872230] iomap_file_buffered_write+0x83/0xc0 [ 77.872231] ? iomap_write_end+0x70/0x70 [ 77.872250] xfs_file_buffered_aio_write+0x93/0x1c0 [xfs] [ 77.872264] xfs_file_write_iter+0x77/0x150 [xfs] [ 77.872266] ? __debug_check_no_obj_freed+0xed/0x1b0 [ 77.872268] __vfs_write+0xdf/0x140 [ 77.872269] vfs_write+0x96/0x190 [ 77.872270] SyS_write+0x44/0xa0 [ 77.872272] do_fast_syscall_32+0x86/0x130 [ 77.872275] entry_SYSENTER_32+0x4e/0x7c [ 77.872276] EIP: 0xb76fdda1 [ 77.872276] EFLAGS: 00000246 CPU: 6 [ 77.872277] EAX: ffffffda EBX: 00000003 ECX: 0804a060 EDX: 00001000 [ 77.872278] ESI: bf863384 EDI: 00000000 EBP: bf8632e8 ESP: bf863298 [ 77.872279] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b [ 77.872280] Disabling lock debugging due to kernel taint [ 77.872284] page:f729e110 count:0 mapcount:0 mapping:f1187224 index:0x0 [ 77.872285] flags: 0x19030078(uptodate|dirty|lru|active|mappedtodisk|reclaim) [ 77.872287] raw: 19030078 f1187224 00000000 ffffffff 00000000 f400c2d8 f400c2d8 00000000 [ 77.872287] raw: 00000000 00000000 [ 77.872288] page dumped because: VM_BUG_ON_PAGE(page_ref_count(page) == 0) [ 77.872293] ------------[ cut here ]------------ [ 77.872294] kernel BUG at ./include/linux/mm.h:466! [ 77.872307] invalid opcode: 0000 [#1] SMP DEBUG_PAGEALLOC [ 77.872307] Modules linked in: ip6t_rpfilter ipt_REJECT nf_reject_ipv4 ip6t_REJECT nf_reject_ipv6 xt_conntrack ip_set nfnetlink ebtable_nat ebtable_broute bridge stp llc ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_raw iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_raw ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter coretemp ppdev pcspkr vmw_balloon sg vmw_vmci shpchp parport_pc parport i2c_piix4 ip_tables xfs libcrc32c sr_mod cdrom sd_mod ata_generic pata_acpi serio_raw mptspi scsi_transport_spi mptscsih ata_piix e1000 mptbase libata [ 77.872324] CPU: 6 PID: 1538 Comm: a.out Tainted: G B 4.11.0+ #277 [ 77.872324] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/02/2015 [ 77.872325] task: ef500a40 task.stack: ef562000 [ 77.872327] EIP: put_page_testzero.part.46+0xd/0xf [ 77.872327] EFLAGS: 00010082 CPU: 6 [ 77.872328] EAX: 00000000 EBX: f400c2c0 ECX: c1870e80 EDX: 00000002 [ 77.872329] ESI: f729e124 EDI: 00000003 EBP: ef563a24 ESP: ef563a24 [ 77.872329] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [ 77.872330] CR0: 80050033 CR2: 0804b05f CR3: 2fbc5000 CR4: 000406d0 [ 77.872389] Call Trace: [ 77.872392] putback_inactive_pages+0x384/0x3c0 [ 77.872394] shrink_inactive_list+0x193/0x360 [ 77.872396] shrink_node_memcg+0x33a/0x720 [ 77.872398] shrink_node+0xbb/0x2e0 [ 77.872400] do_try_to_free_pages+0xb2/0x2a0 [ 77.872401] try_to_free_pages+0xf9/0x330 [ 77.872403] __alloc_pages_slowpath+0x343/0x6f8 [ 77.872405] __alloc_pages_nodemask+0x1aa/0x1c0 [ 77.872407] pagecache_get_page+0x56/0x250 [ 77.872408] ? common_exception+0x6c/0x72 [ 77.872409] grab_cache_page_write_begin+0x20/0x40 [ 77.872411] iomap_write_begin+0x6b/0xf0 [ 77.872412] ? iov_iter_fault_in_readable+0x7b/0xd0 [ 77.872413] iomap_write_actor+0xcc/0x1c0 [ 77.872415] ? iomap_write_end+0x70/0x70 [ 77.872416] iomap_apply+0x117/0x1a0 [ 77.872418] iomap_file_buffered_write+0x83/0xc0 [ 77.872420] ? iomap_write_end+0x70/0x70 [ 77.872433] xfs_file_buffered_aio_write+0x93/0x1c0 [xfs] [ 77.872445] xfs_file_write_iter+0x77/0x150 [xfs] [ 77.872446] ? __debug_check_no_obj_freed+0xed/0x1b0 [ 77.872447] __vfs_write+0xdf/0x140 [ 77.872448] vfs_write+0x96/0x190 [ 77.872449] SyS_write+0x44/0xa0 [ 77.872451] do_fast_syscall_32+0x86/0x130 [ 77.872453] entry_SYSENTER_32+0x4e/0x7c [ 77.872453] EIP: 0xb76fdda1 [ 77.872454] EFLAGS: 00000246 CPU: 6 [ 77.872454] EAX: ffffffda EBX: 00000003 ECX: 0804a060 EDX: 00001000 [ 77.872455] ESI: bf863384 EDI: 00000000 EBP: bf8632e8 ESP: bf863298 [ 77.872456] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b [ 77.872456] Code: c1 89 e5 e8 9e dd fb ff 0f 0b 55 89 e5 0f 0b 55 ba 70 82 7a c1 89 e5 e8 8a dd fb ff 0f 0b 55 ba 20 e0 78 c1 89 e5 e8 7b dd fb ff <0f> 0b 55 ba 88 70 7a c1 89 e5 e8 6c dd fb ff 0f 0b 55 ba 6c 81 [ 77.872472] EIP: put_page_testzero.part.46+0xd/0xf SS:ESP: 0068:ef563a24 [ 77.872474] ---[ end trace fac67653a2c4994f ]--- As of 18863d3a3f593f47b075b9f53ebf9228dc76cf72: [ 188.992549] BUG: Bad page state in process a.out pfn:197ea [ 188.992551] page:f72c7c90 count:0 mapcount:12 mapping:f11b8ca4 index:0x0 [ 188.992554] flags: 0x19010019(locked|uptodate|dirty|mappedtodisk) [ 188.992557] raw: 19010019 f11b8ca4 00000000 0000000b 00000000 f72c7ca4 f72c7ca4 00000000 [ 188.992557] raw: 00000000 00000000 [ 188.992558] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 188.992559] bad because of flags: 0x1(locked) [ 188.992559] Modules linked in: ip6t_rpfilter ipt_REJECT nf_reject_ipv4 ip6t_REJECT nf_reject_ipv6 xt_conntrack ip_set nfnetlink ebtable_nat ebtable_broute bridge stp llc ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_raw iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_raw ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter coretemp pcspkr sg ppdev vmw_balloon parport_pc parport i2c_piix4 vmw_vmci shpchp ip_tables xfs libcrc32c sr_mod cdrom sd_mod ata_generic pata_acpi serio_raw mptspi scsi_transport_spi ata_piix e1000 mptscsih libata mptbase [ 188.992624] CPU: 3 PID: 5140 Comm: a.out Not tainted 4.11.0+ #278 [ 188.992625] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/02/2015 [ 188.992625] Call Trace: [ 188.992632] dump_stack+0x58/0x76 [ 188.992636] bad_page+0xbf/0x130 [ 188.992639] free_pages_check_bad+0x5b/0x5e [ 188.992640] free_hot_cold_page+0x211/0x250 [ 188.992642] __put_page+0x30/0x40 [ 188.992643] try_to_unmap_one+0x375/0x550 [ 188.992645] rmap_walk_file+0x13c/0x270 [ 188.992646] rmap_walk+0x32/0x60 [ 188.992647] try_to_unmap+0x9d/0x120 [ 188.992648] ? page_remove_rmap+0x2c0/0x2c0 [ 188.992649] ? page_not_mapped+0x10/0x10 [ 188.992650] ? page_get_anon_vma+0x80/0x80 [ 188.992652] shrink_page_list+0x376/0xdf0 [ 188.992654] shrink_inactive_list+0x173/0x360 [ 188.992656] shrink_node_memcg+0x33a/0x720 [ 188.992659] shrink_node+0xbb/0x2e0 [ 188.992661] do_try_to_free_pages+0xb2/0x2a0 [ 188.992662] try_to_free_pages+0xf9/0x330 [ 188.992666] ? schedule_timeout+0x142/0x200 [ 188.992668] __alloc_pages_slowpath+0x343/0x6f8 [ 188.992669] __alloc_pages_nodemask+0x1aa/0x1c0 [ 188.992671] handle_mm_fault+0x5c9/0xdb0 [ 188.992673] ? pick_next_task_fair+0x431/0x530 [ 188.992676] __do_page_fault+0x19c/0x460 [ 188.992677] ? __do_page_fault+0x460/0x460 [ 188.992678] do_page_fault+0x1a/0x20 [ 188.992680] common_exception+0x6c/0x72 [ 188.992681] EIP: 0x804858f [ 188.992681] EFLAGS: 00010202 CPU: 3 [ 188.992682] EAX: 0094c000 EBX: 37706008 ECX: 38052008 EDX: 00000000 [ 188.992683] ESI: 7ff00000 EDI: 00000000 EBP: bfeac158 ESP: bfeac120 [ 188.992684] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b [ 188.992685] Disabling lock debugging due to kernel taint [ 188.992689] page:f72c7c90 count:0 mapcount:0 mapping:f11b8ca4 index:0x0 [ 188.992691] flags: 0x19030078(uptodate|dirty|lru|active|mappedtodisk|reclaim) [ 188.992692] raw: 19030078 f11b8ca4 00000000 ffffffff 00000000 f400c2d8 f400c2d8 00000000 [ 188.992693] raw: 00000000 00000000 [ 188.992693] page dumped because: VM_BUG_ON_PAGE(page_ref_count(page) == 0) [ 188.992698] ------------[ cut here ]------------ [ 188.992699] kernel BUG at ./include/linux/mm.h:466! [ 188.992700] invalid opcode: 0000 [#1] SMP DEBUG_PAGEALLOC [ 188.992701] Modules linked in: ip6t_rpfilter ipt_REJECT nf_reject_ipv4 ip6t_REJECT nf_reject_ipv6 xt_conntrack ip_set nfnetlink ebtable_nat ebtable_broute bridge stp llc ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_raw iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_raw ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter coretemp pcspkr sg ppdev vmw_balloon parport_pc parport i2c_piix4 vmw_vmci shpchp ip_tables xfs libcrc32c sr_mod cdrom sd_mod ata_generic pata_acpi serio_raw mptspi scsi_transport_spi ata_piix e1000 mptscsih libata mptbase [ 188.992716] CPU: 3 PID: 5140 Comm: a.out Tainted: G B 4.11.0+ #278 [ 188.992716] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/02/2015 [ 188.992717] task: e4929440 task.stack: e49ee000 [ 188.992719] EIP: put_page_testzero.part.46+0xd/0xf [ 188.992719] EFLAGS: 00010092 CPU: 3 [ 188.992720] EAX: 00000000 EBX: f400c2c0 ECX: c1870e80 EDX: 00000002 [ 188.992720] ESI: f72c7ca4 EDI: 00000003 EBP: e49efbec ESP: e49efbec [ 188.992721] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [ 188.992722] CR0: 80050033 CR2: 386b6008 CR3: 24a5d000 CR4: 000406d0 [ 188.992781] Call Trace: [ 188.992784] putback_inactive_pages+0x384/0x3c0 [ 188.992786] shrink_inactive_list+0x193/0x360 [ 188.992788] shrink_node_memcg+0x33a/0x720 [ 188.992790] shrink_node+0xbb/0x2e0 [ 188.992791] do_try_to_free_pages+0xb2/0x2a0 [ 188.992793] try_to_free_pages+0xf9/0x330 [ 188.992795] ? schedule_timeout+0x142/0x200 [ 188.992797] __alloc_pages_slowpath+0x343/0x6f8 [ 188.992798] __alloc_pages_nodemask+0x1aa/0x1c0 [ 188.992800] handle_mm_fault+0x5c9/0xdb0 [ 188.992801] ? pick_next_task_fair+0x431/0x530 [ 188.992803] __do_page_fault+0x19c/0x460 [ 188.992804] ? __do_page_fault+0x460/0x460 [ 188.992805] do_page_fault+0x1a/0x20 [ 188.992806] common_exception+0x6c/0x72 [ 188.992807] EIP: 0x804858f [ 188.992807] EFLAGS: 00010202 CPU: 3 [ 188.992808] EAX: 0094c000 EBX: 37706008 ECX: 38052008 EDX: 00000000 [ 188.992809] ESI: 7ff00000 EDI: 00000000 EBP: bfeac158 ESP: bfeac120 [ 188.992809] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b [ 188.992810] Code: c1 89 e5 e8 9e dd fb ff 0f 0b 55 89 e5 0f 0b 55 ba 70 82 7a c1 89 e5 e8 8a dd fb ff 0f 0b 55 ba 20 e0 78 c1 89 e5 e8 7b dd fb ff <0f> 0b 55 ba 88 70 7a c1 89 e5 e8 6c dd fb ff 0f 0b 55 ba 6c 81 [ 188.992826] EIP: put_page_testzero.part.46+0xd/0xf SS:ESP: 0068:e49efbec [ 188.992827] ---[ end trace 16134a8679cd7c8c ]--- As of c24f386c60b2269d532a23e70939ed8ce55d7005: [ 56.841712] BUG: unable to handle kernel paging request at 32eba010 [ 56.841718] IP: page_remove_rmap+0x190/0x2c0 [ 56.841719] *pde = 00000000 [ 56.841720] [ 56.841722] Oops: 0002 [#1] SMP DEBUG_PAGEALLOC [ 56.841723] Modules linked in: ip6t_rpfilter ipt_REJECT nf_reject_ipv4 ip6t_REJECT nf_reject_ipv6 xt_conntrack ip_set nfnetlink ebtable_nat ebtable_broute bridge stp llc ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_raw iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_raw ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter coretemp ppdev vmw_balloon pcspkr sg shpchp i2c_piix4 vmw_vmci parport_pc parport ip_tables xfs libcrc32c sd_mod sr_mod cdrom ata_generic pata_acpi serio_raw mptspi scsi_transport_spi mptscsih ata_piix e1000 mptbase libata ** 361 printk messages dropped ** [ 56.843217] BUG: unable to handle kernel paging request at 00737d5c ** 2283 printk messages dropped ** [ 56.849961] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b ** 1563 printk messages dropped ** [ 56.854562] BUG: unable to handle kernel paging request at 00737d5c ** 2110 printk messages dropped ** [ 56.860720] Modules linked in: ip6t_rpfilter ipt_REJECT nf_reject_ipv4 ip6t_REJECT nf_reject_ipv6 xt_conntrack ip_set nfnetlink ebtable_nat ebtable_broute bridge stp llc ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_raw iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_raw ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter coretemp ppdev vmw_balloon pcspkr sg shpchp i2c_piix4 vmw_vmci parport_pc parport ip_tables xfs libcrc32c sd_mod sr_mod cdrom ata_generic pata_acpi serio_raw mptspi scsi_transport_spi mptscsih ata_piix e1000 mptbase libata ** 11037 printk messages dropped ** [ 56.885507] EFLAGS: 00010202 CPU: 2 ** 1332 printk messages dropped ** [ 56.889324] EIP: blk_flush_plug_list+0x54/0x210 SS:ESP: 0068:e0737f30 ** 1975 printk messages dropped ** [ 56.895432] EIP: blk_flush_plug_list+0x54/0x210 SS:ESP: 0068:e0737f30 ** 2201 printk messages dropped ** [ 56.901915] EIP: 0x804858f ** 1357 printk messages dropped ** [ 56.905721] ---[ end trace 66e5871b6d0ec353 ]--- As of d44d363f65780f2ac2ec672164555af54896d40d: [ 157.814036] BUG: unable to handle kernel paging request at f6c8f9a4 [ 157.814041] IP: page_remove_rmap+0x7/0x2c0 [ 157.814042] *pde = 3732c067 [ 157.814043] *pte = 36c8f062 [ 157.814044] [ 157.814045] Oops: 0000 [#1] SMP DEBUG_PAGEALLOC [ 157.814046] Modules linked in: ip6t_rpfilter ipt_REJECT nf_reject_ipv4 ip6t_REJECT nf_reject_ipv6 xt_conntrack ip_set nfnetlink ebtable_nat ebtable_broute bridge stp llc ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_raw iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_raw ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter coretemp sg ppdev vmw_balloon pcspkr shpchp vmw_vmci i2c_piix4 parport_pc parport ip_tables xfs libcrc32c sr_mod cdrom sd_mod ata_generic pata_acpi serio_raw mptspi scsi_transport_spi mptscsih ata_piix e1000 mptbase libata [ 157.814074] CPU: 6 PID: 3979 Comm: a.out Not tainted 4.11.0+ #280 [ 157.814074] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/02/2015 [ 157.814075] task: e8456440 task.stack: e8502000 [ 157.814077] EIP: page_remove_rmap+0x7/0x2c0 [ 157.814077] EFLAGS: 00010246 CPU: 6 [ 157.814078] EAX: f6c8f990 EBX: f6c8f990 ECX: 00000001 EDX: 00000000 [ 157.814079] ESI: f71511b8 EDI: 000006d9 EBP: e85038e0 ESP: e85038d8 [ 157.814080] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [ 157.814081] CR0: 80050033 CR2: f6c8f9a4 CR3: 284b0000 CR4: 000406d0 [ 157.814138] Call Trace: [ 157.814141] try_to_unmap_one+0x200/0x500 [ 157.814143] rmap_walk_file+0x13c/0x270 [ 157.814144] rmap_walk+0x32/0x60 [ 157.814145] try_to_unmap+0xb5/0x150 [ 157.814146] ? page_remove_rmap+0x2c0/0x2c0 [ 157.814147] ? page_not_mapped+0x10/0x10 [ 157.814148] ? page_get_anon_vma+0x80/0x80 [ 157.814151] shrink_page_list+0x368/0xce0 [ 157.814153] shrink_inactive_list+0x173/0x360 [ 157.814155] shrink_node_memcg+0x33a/0x720 [ 157.814157] shrink_node+0xb3/0x2e0 [ 157.814159] do_try_to_free_pages+0xb2/0x290 [ 157.814161] try_to_free_pages+0xea/0x310 [ 157.814164] __alloc_pages_slowpath+0x340/0x6f5 [ 157.814184] ? xfs_trans_free+0x59/0x60 [xfs] [ 157.814185] __alloc_pages_nodemask+0x19e/0x1b0 [ 157.814188] pagecache_get_page+0x56/0x250 [ 157.814203] ? xfs_iunlock+0xac/0x160 [xfs] [ 157.814204] grab_cache_page_write_begin+0x20/0x40 [ 157.814207] iomap_write_begin+0x6b/0xf0 [ 157.814208] iomap_write_actor+0xcc/0x1c0 [ 157.814210] ? iomap_write_end+0x70/0x70 [ 157.814211] iomap_apply+0x117/0x1a0 [ 157.814213] iomap_file_buffered_write+0x83/0xc0 [ 157.814214] ? iomap_write_end+0x70/0x70 [ 157.814229] xfs_file_buffered_aio_write+0x93/0x1c0 [xfs] [ 157.814230] ? filemap_map_pages+0x34b/0x3c0 [ 157.814243] xfs_file_write_iter+0x77/0x150 [xfs] [ 157.814255] ? xfs_filemap_fault+0x36/0x40 [xfs] [ 157.814256] __vfs_write+0xdf/0x140 [ 157.814258] vfs_write+0x96/0x190 [ 157.814259] SyS_write+0x44/0xa0 [ 157.814261] do_fast_syscall_32+0x86/0x130 [ 157.814263] entry_SYSENTER_32+0x4e/0x7c [ 157.814264] EIP: 0xb7751da1 [ 157.814265] EFLAGS: 00000246 CPU: 6 [ 157.814265] EAX: ffffffda EBX: 00000003 ECX: 0804a060 EDX: 00001000 [ 157.814266] ESI: bf989bc4 EDI: 00000000 EBP: bf989b28 ESP: bf989ad8 [ 157.814267] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b [ 157.814268] Code: 00 83 e8 01 e9 dc fe ff ff ba b8 73 7a c1 89 d8 e8 af fa fe ff 0f 0b 83 e8 01 eb 8e 90 8d b4 26 00 00 00 00 55 89 e5 56 53 89 c3 <8b> 40 14 a8 01 0f 85 a4 01 00 00 89 d8 f6 40 04 01 74 5e 84 d2 [ 157.814283] EIP: page_remove_rmap+0x7/0x2c0 SS:ESP: 0068:e85038d8 [ 157.814284] CR2: 00000000f6c8f9a4 [ 157.814286] ---[ end trace a941a5b48c8262c4 ]--- As of a128ca71fb29ed4444b80f38a0148b468826e19b: [ 54.943695] BUG: unable to handle kernel paging request at c1147f4b [ 54.943704] IP: _raw_spin_lock_irqsave+0x1c/0x40 [ 54.943705] *pde = 01adc063 [ 54.943706] *pte = 01147161 [ 54.943707] [ 54.943709] Oops: 0003 [#1] SMP DEBUG_PAGEALLOC [ 54.943710] Modules linked in: ip6t_rpfilter ipt_REJECT nf_reject_ipv4 ip6t_REJECT nf_reject_ipv6 xt_conntrack ip_set nfnetlink ebtable_nat ebtable_broute bridge stp llc ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_raw iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_raw ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter coretemp sg ppdev pcspkr vmw_balloon vmw_vmci i2c_piix4 parport_pc parport shpchp ip_tables xfs libcrc32c sd_mod sr_mod cdrom ata_generic pata_acpi serio_raw mptspi scsi_transport_spi mptscsih e1000 mptbase ata_piix libata ** 4557 printk messages dropped ** [ 54.959191] CPU: 3 PID: 6387 Comm: a.out Tainted: G D W 4.11.0+ #281 ** 2357 printk messages dropped ** [ 54.966297] ---[ end trace 738da708534ed3b1 ]--- ** 1530 printk messages dropped ** [ 54.970986] EFLAGS: 00010202 CPU: 3 ** 1356 printk messages dropped ** [ 54.975010] EIP: blk_flush_plug_list+0x54/0x210 SS:ESP: 0068:e0e35f30 ** 2246 printk messages dropped ** [ 54.981496] EAX: e0e35d04 EBX: 00000009 ECX: e0cfc640 EDX: c1074c33 ** 2251 printk messages dropped ** [ 54.987786] IP: blk_flush_plug_list+0x54/0x210 ** 1526 printk messages dropped ** [ 54.992041] EIP: 0x804858f ** 1285 printk messages dropped ** [ 54.995936] CPU: 3 PID: 6387 Comm: a.out Tainted: G D W 4.11.0+ #281 ** 2452 printk messages dropped ** [ 55.003072] Call Trace: ** 1290 printk messages dropped ** [ 55.006821] CPU: 3 PID: 6387 Comm: a.out Tainted: G D W 4.11.0+ #281 ** 2456 printk messages dropped ** [ 55.014067] rewind_stack_do_exit+0x11/0x13 ** 1514 printk messages dropped ** [ 55.018507] EIP: blk_flush_plug_list+0x54/0x210 SS:ESP: 0068:e0e35f30 ** 2336 printk messages dropped ** [ 55.025302] ESI: 7ff00000 EDI: 00000000 EBP: bf9bdce8 ESP: bf9bdcb0 ** 2296 printk messages dropped ** [ 55.032024] CPU: 3 PID: 6387 Comm: a.out Tainted: G D W 4.11.0+ #281 ** 2457 printk messages dropped ** [ 55.039223] EAX: 00218000 EBX: 37701008 ECX: 37919008 EDX: 00000000 ** 2339 printk messages dropped ** [ 55.046204] EAX: 00218000 EBX: 37701008 ECX: 37919008 EDX: 00000000 ** 2377 printk messages dropped ** [ 55.053003] CPU: 3 PID: 6387 Comm: a.out Tainted: G D W 4.11.0+ #281 ** 2573 printk messages dropped ** [ 55.060515] CPU: 3 PID: 6387 Comm: a.out Tainted: G D W 4.11.0+ #281 ** 2631 printk messages dropped ** [ 55.068308] ESI: e0e36000 EDI: e0cfc640 EBP: e0e35fac ESP: e0e35f70 ** 2483 printk messages dropped ** [ 55.075574] EIP: blk_flush_plug_list+0x54/0x210 SS:ESP: 0068:e0e35f30 ** 2476 printk messages dropped ** [ 55.082895] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/02/2015 ** 3092 printk messages dropped ** [ 55.092077] CPU: 3 PID: 6387 Comm: a.out Tainted: G D W 4.11.0+ #281 ** 2703 printk messages dropped ** [ 55.100031] CPU: 3 PID: 6387 Comm: a.out Tainted: G D W 4.11.0+ #281 ** 2677 printk messages dropped ** [ 55.107930] CPU: 3 PID: 6387 Comm: a.out Tainted: G D W 4.11.0+ #281 ** 2704 printk messages dropped ** [ 55.115891] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/02/2015 ** 3133 printk messages dropped ** [ 55.124900] EFLAGS: 00010202 CPU: 3 ** 1518 printk messages dropped ** [ 55.129366] CPU: 3 PID: 6387 Comm: a.out Tainted: G D W 4.11.0+ #281 ** 2721 printk messages dropped ** [ 55.137262] ---[ end trace 738da708534edc79 ]--- [ 54.943695] BUG: unable to handle kernel paging request at c1147f4b [ 54.943704] IP: _raw_spin_lock_irqsave+0x1c/0x40 [ 54.943705] *pde = 01adc063 [ 54.943706] *pte = 01147161 [ 54.943707] [ 54.943709] Oops: 0003 [#1] SMP DEBUG_PAGEALLOC [ 54.943710] Modules linked in: ip6t_rpfilter ipt_REJECT nf_reject_ipv4 ip6t_REJECT nf_reject_ipv6 xt_conntrack ip_set nfnetlink ebtable_nat ebtable_broute bridge stp llc ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_raw iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_raw ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter coretemp sg ppdev pcspkr vmw_balloon vmw_vmci i2c_piix4 parport_pc parport shpchp ip_tables xfs libcrc32c sd_mod sr_mod cdrom ata_generic pata_acpi serio_raw mptspi scsi_transport_spi mptscsih e1000 mptbase ata_piix libata ** 4557 printk messages dropped ** [ 54.959191] CPU: 3 PID: 6387 Comm: a.out Tainted: G D W 4.11.0+ #281 ** 2357 printk messages dropped ** [ 54.966297] ---[ end trace 738da708534ed3b1 ]--- ** 1530 printk messages dropped ** [ 54.970986] EFLAGS: 00010202 CPU: 3 ** 1356 printk messages dropped ** [ 54.975010] EIP: blk_flush_plug_list+0x54/0x210 SS:ESP: 0068:e0e35f30 ** 2246 printk messages dropped ** [ 54.981496] EAX: e0e35d04 EBX: 00000009 ECX: e0cfc640 EDX: c1074c33 ** 2251 printk messages dropped ** [ 54.987786] IP: blk_flush_plug_list+0x54/0x210 ** 1526 printk messages dropped ** [ 54.992041] EIP: 0x804858f ** 1285 printk messages dropped ** [ 54.995936] CPU: 3 PID: 6387 Comm: a.out Tainted: G D W 4.11.0+ #281 ** 2452 printk messages dropped ** [ 55.003072] Call Trace: ** 1290 printk messages dropped ** [ 55.006821] CPU: 3 PID: 6387 Comm: a.out Tainted: G D W 4.11.0+ #281 ** 2456 printk messages dropped ** [ 55.014067] rewind_stack_do_exit+0x11/0x13 ** 1514 printk messages dropped ** [ 55.018507] EIP: blk_flush_plug_list+0x54/0x210 SS:ESP: 0068:e0e35f30 ** 2336 printk messages dropped ** [ 55.025302] ESI: 7ff00000 EDI: 00000000 EBP: bf9bdce8 ESP: bf9bdcb0 ** 2296 printk messages dropped ** [ 55.032024] CPU: 3 PID: 6387 Comm: a.out Tainted: G D W 4.11.0+ #281 ** 2457 printk messages dropped ** [ 55.039223] EAX: 00218000 EBX: 37701008 ECX: 37919008 EDX: 00000000 ** 2339 printk messages dropped ** [ 55.046204] EAX: 00218000 EBX: 37701008 ECX: 37919008 EDX: 00000000 ** 2377 printk messages dropped ** [ 55.053003] CPU: 3 PID: 6387 Comm: a.out Tainted: G D W 4.11.0+ #281 ** 2573 printk messages dropped ** [ 55.060515] CPU: 3 PID: 6387 Comm: a.out Tainted: G D W 4.11.0+ #281 ** 2631 printk messages dropped ** [ 55.068308] ESI: e0e36000 EDI: e0cfc640 EBP: e0e35fac ESP: e0e35f70 ** 2483 printk messages dropped ** [ 55.075574] EIP: blk_flush_plug_list+0x54/0x210 SS:ESP: 0068:e0e35f30 ** 2476 printk messages dropped ** [ 55.082895] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/02/2015 ** 3092 printk messages dropped ** [ 55.092077] CPU: 3 PID: 6387 Comm: a.out Tainted: G D W 4.11.0+ #281 ** 2703 printk messages dropped ** [ 55.100031] CPU: 3 PID: 6387 Comm: a.out Tainted: G D W 4.11.0+ #281 ** 2677 printk messages dropped ** [ 55.107930] CPU: 3 PID: 6387 Comm: a.out Tainted: G D W 4.11.0+ #281 ** 2704 printk messages dropped ** [ 55.115891] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/02/2015 ** 3133 printk messages dropped ** [ 55.124900] EFLAGS: 00010202 CPU: 3 ** 1518 printk messages dropped ** [ 55.129366] CPU: 3 PID: 6387 Comm: a.out Tainted: G D W 4.11.0+ #281 ** 2721 printk messages dropped ** [ 55.137262] ---[ end trace 738da708534edc79 ]--- As of a128ca71fb29ed4444b80f38a0148b468826e19b: [ 65.347528] BUG: unable to handle kernel paging request at 330de01a [ 65.347534] IP: page_remove_rmap+0x14/0x2c0 [ 65.347535] *pde = 00000000 [ 65.347536] [ 65.347538] Oops: 0000 [#1] SMP DEBUG_PAGEALLOC [ 65.347539] Modules linked in: ip6t_rpfilter ipt_REJECT nf_reject_ipv4 ip6t_REJECT nf_reject_ipv6 xt_conntrack ip_set nfnetlink ebtable_nat ebtable_broute bridge stp llc ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_raw iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_raw ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter coretemp pcspkr vmw_balloon sg ppdev shpchp vmw_vmci parport_pc i2c_piix4 parport ip_tables xfs libcrc32c sr_mod cdrom sd_mod ata_generic pata_acpi serio_raw mptspi scsi_transport_spi ata_piix mptscsih e1000 mptbase libata ** 3288 printk messages dropped ** [ 65.362121] CR0: 80050033 CR2: 008b7d5c CR3: 2e67c000 CR4: 000406d0 ** 2299 printk messages dropped ** [ 65.368742] EIP: blk_flush_plug_list+0x54/0x210 SS:ESP: 0068:ee8b7f30 ** 2345 printk messages dropped ** [ 65.375469] CPU: 1 PID: 1883 Comm: a.out Tainted: G D W 4.11.0+ #281 ** 2487 printk messages dropped ** [ 65.382562] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b ** 1300 printk messages dropped ** [ 65.386360] Code: 55 d4 88 55 db 89 5d e8 89 5d ec 89 45 dc 90 8b 47 10 39 45 dc 74 52 8b 47 10 39 45 dc 74 20 8b 4f 10 8b 45 e8 8b 57 14 89 4d e8 <89> 59 04 89 02 89 50 04 8b 45 dc 89 47 10 89 47 14 8d 76 00 8b ** 4576 printk messages dropped ** [ 65.400878] EIP: blk_flush_plug_list+0x54/0x210 SS:ESP: 0068:ee8b7f30 ** 2499 printk messages dropped ** [ 65.408166] WARNING: CPU: 1 PID: 1883 at kernel/exit.c:785 do_exit+0x3a/0xa30 ** 2627 printk messages dropped ** [ 65.415842] CPU: 1 PID: 1883 Comm: a.out Tainted: G D W 4.11.0+ #281 ** 2669 printk messages dropped ** [ 65.424749] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b ** 1749 printk messages dropped ** [ 65.429863] CPU: 1 PID: 1883 Comm: a.out Tainted: G D W 4.11.0+ #281 ** 2640 printk messages dropped ** [ 65.437531] ESI: 7ff00000 EDI: 00000000 EBP: bfbb8f38 ESP: bfbb8f00 ** 2503 printk messages dropped ** [ 65.444809] ** 1242 printk messages dropped ** [ 65.448427] ---[ end trace 2b10bcdd7b092bf2 ]--- -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. 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