BUG: Bad page map in process syz-executor.5 pte:fffffc8797120 pmd:274e7067 page:ffffea0000de1a00 refcount:9 mapcount:-1 mapping:ffff88803ecbe110 index:0x0 pfn:0x37868 head:ffffea0000de1a00 order:2 entire_mapcount:0 nr_pages_mapped:1 pincount:0 memcg:ffff88823bd38000 aops:xfs_address_space_operations ino:244a dentry name:"bus" flags: 0xfff0000000816c(referenced|uptodate|lru|active|private|head|node=0|zone=1|lastcpupid=0x7ff) page_type: 0xfffffffe() raw: 00fff0000000816c ffffea0000c01bc8 ffff888028266030 ffff88803ecbe110 raw: 0000000000000000 ffff8880755a6a00 00000009fffffffe ffff88823bd38000 page dumped because: bad pte page_owner tracks the page as allocated page last allocated via order 2, migratetype Movable, gfp_mask 0x152c4a(GFP_NOFS|__GFP_HIGHMEM|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL|__GFP_MOVABLE), pid 20306, tgid 20303 (syz-executor.5), ts 1094721381547, free_ts 1091681004628 set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook+0x1e6/0x210 mm/page_alloc.c:1536 prep_new_page mm/page_alloc.c:1543 [inline] get_page_from_freelist+0x31db/0x3360 mm/page_alloc.c:3170 __alloc_pages+0x255/0x670 mm/page_alloc.c:4426 folio_alloc+0x1e/0x60 mm/mempolicy.c:2308 filemap_alloc_folio+0xde/0x500 mm/filemap.c:976 ra_alloc_folio mm/readahead.c:468 [inline] page_cache_ra_order+0x423/0xcc0 mm/readahead.c:524 do_sync_mmap_readahead+0x444/0x850 filemap_fault+0x7d3/0x1710 mm/filemap.c:3291 __xfs_filemap_fault+0x286/0x960 fs/xfs/xfs_file.c:1354 __do_fault+0x133/0x4e0 mm/memory.c:4204 do_read_fault mm/memory.c:4568 [inline] do_fault mm/memory.c:4705 [inline] do_pte_missing mm/memory.c:3669 [inline] handle_pte_fault mm/memory.c:4978 [inline] __handle_mm_fault mm/memory.c:5119 [inline] handle_mm_fault+0x428e/0x62b0 mm/memory.c:5284 faultin_page mm/gup.c:956 [inline] __get_user_pages+0x6bd/0x15f0 mm/gup.c:1239 __get_user_pages_locked mm/gup.c:1504 [inline] get_dump_page+0x146/0x2b0 mm/gup.c:2018 dump_user_range+0x126/0x910 fs/coredump.c:913 elf_core_dump+0x3c91/0x4540 fs/binfmt_elf.c:2142 do_coredump+0x1b73/0x2ab0 fs/coredump.c:764 page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1136 [inline] free_unref_page_prepare+0x8c3/0x9f0 mm/page_alloc.c:2312 free_unref_page_list+0x596/0x830 mm/page_alloc.c:2451 release_pages+0x2113/0x23f0 mm/swap.c:1042 __folio_batch_release+0x84/0x100 mm/swap.c:1062 folio_batch_release include/linux/pagevec.h:83 [inline] shmem_undo_range+0x6ad/0x19c0 mm/shmem.c:1022 shmem_truncate_range mm/shmem.c:1114 [inline] shmem_evict_inode+0x29e/0xa80 mm/shmem.c:1243 evict+0x2a4/0x620 fs/inode.c:664 __dentry_kill+0x436/0x650 fs/dcache.c:607 dentry_kill+0xbb/0x290 dput+0x21e/0x470 fs/dcache.c:913 __fput+0x60d/0x910 fs/file_table.c:392 task_work_run+0x24a/0x300 kernel/task_work.c:180 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0xde/0x100 kernel/entry/common.c:171 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline] syscall_exit_to_user_mode+0x64/0x280 kernel/entry/common.c:296 do_syscall_64+0x4d/0xc0 arch/x86/entry/common.c:86 addr:0000000020003000 vm_flags:080000d0 anon_vma:0000000000000000 mapping:ffff88803ecbe110 index:2 file:bus fault:xfs_filemap_fault mmap:xfs_file_mmap read_folio:xfs_vm_read_folio CPU: 1 PID: 20306 Comm: syz-executor.5 Not tainted 6.6.0-rc3-syzkaller-00214-ge402b08634b3 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106 print_bad_pte+0x581/0x5c0 mm/memory.c:535 zap_pte_range mm/memory.c:1458 [inline] zap_pmd_range mm/memory.c:1573 [inline] zap_pud_range mm/memory.c:1602 [inline] zap_p4d_range mm/memory.c:1623 [inline] unmap_page_range+0x1a76/0x3320 mm/memory.c:1644 unmap_vmas+0x2b8/0x460 mm/memory.c:1731 exit_mmap+0x297/0xc50 mm/mmap.c:3210 __mmput+0x115/0x3c0 kernel/fork.c:1349 exit_mm+0x21f/0x300 kernel/exit.c:567 do_exit+0x9af/0x2650 kernel/exit.c:861 do_group_exit+0x206/0x2c0 kernel/exit.c:1024 get_signal+0x175d/0x1840 kernel/signal.c:2892 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:309 exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:168 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline] syscall_exit_to_user_mode+0x64/0x280 kernel/entry/common.c:296 do_syscall_64+0x4d/0xc0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f804747cae9 Code: Unable to access opcode bytes at 0x7f804747cabf. RSP: 002b:00007f80481ff0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000148 RAX: ffffffffffffffe5 RBX: 00007f804759bf80 RCX: 00007f804747cae9 RDX: 0000000000000002 RSI: 0000000020000300 RDI: 0000000000000007 RBP: 00007f80474c847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000008800000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f804759bf80 R15: 00007ffe3f519b88 BUG: Bad page map in process syz-executor.5 pte:fffffc8798120 pmd:274e7067 page:ffffea0000de19c0 refcount:1 mapcount:-1 mapping:0000000000000000 index:0xb pfn:0x37867 memcg:ffff88807b920000 flags: 0xfff0000000812c(referenced|uptodate|lru|active|private|node=0|zone=1|lastcpupid=0x7ff) page_type: 0xfffffffe() raw: 00fff0000000812c ffffea0000f1ebc8 ffffea0000fec4c8 0000000000000000 raw: 000000000000000b ffff88807ee26000 00000001fffffffe ffff88807b920000 page dumped because: bad pte page_owner tracks the page as allocated page last allocated via order 0, migratetype Movable, gfp_mask 0x140cca(GFP_HIGHUSER_MOVABLE|__GFP_COMP), pid 19813, tgid 19811 (syz-executor.0), ts 1063284319049, free_ts 1063123856063 set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook+0x1e6/0x210 mm/page_alloc.c:1536 prep_new_page mm/page_alloc.c:1543 [inline] get_page_from_freelist+0x31db/0x3360 mm/page_alloc.c:3170 __alloc_pages+0x255/0x670 mm/page_alloc.c:4426 folio_alloc+0x1e/0x60 mm/mempolicy.c:2308 filemap_alloc_folio+0xde/0x500 mm/filemap.c:976 do_read_cache_folio+0xed/0x810 mm/filemap.c:3706 do_read_cache_page+0x30/0x210 mm/filemap.c:3808 read_mapping_page include/linux/pagemap.h:860 [inline] ntfs_map_page fs/ntfs/aops.h:75 [inline] map_mft_record_page fs/ntfs/mft.c:73 [inline] map_mft_record+0x1cd/0x630 fs/ntfs/mft.c:156 ntfs_read_locked_inode+0x193/0x4980 fs/ntfs/inode.c:550 ntfs_iget+0x113/0x190 fs/ntfs/inode.c:177 load_system_files+0x3a50/0x4840 fs/ntfs/super.c:2102 ntfs_fill_super+0x19b3/0x2bd0 fs/ntfs/super.c:2900 mount_bdev+0x237/0x300 fs/super.c:1629 legacy_get_tree+0xef/0x190 fs/fs_context.c:638 vfs_get_tree+0x8c/0x280 fs/super.c:1750 do_new_mount+0x28f/0xae0 fs/namespace.c:3335 page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1136 [inline] free_unref_page_prepare+0x8c3/0x9f0 mm/page_alloc.c:2312 free_unref_page_list+0x596/0x830 mm/page_alloc.c:2451 release_pages+0x2113/0x23f0 mm/swap.c:1042 __folio_batch_release+0x84/0x100 mm/swap.c:1062 folio_batch_release include/linux/pagevec.h:83 [inline] shmem_undo_range+0x6ad/0x19c0 mm/shmem.c:1022 shmem_truncate_range mm/shmem.c:1114 [inline] shmem_evict_inode+0x29e/0xa80 mm/shmem.c:1243 evict+0x2a4/0x620 fs/inode.c:664 __dentry_kill+0x436/0x650 fs/dcache.c:607 dentry_kill+0xbb/0x290 dput+0x21e/0x470 fs/dcache.c:913 __fput+0x60d/0x910 fs/file_table.c:392 task_work_run+0x24a/0x300 kernel/task_work.c:180 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0xde/0x100 kernel/entry/common.c:171 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline] syscall_exit_to_user_mode+0x64/0x280 kernel/entry/common.c:296 do_syscall_64+0x4d/0xc0 arch/x86/entry/common.c:86 addr:0000000020004000 vm_flags:080000d0 anon_vma:0000000000000000 mapping:ffff88803ecbe110 index:3 file:bus fault:xfs_filemap_fault mmap:xfs_file_mmap read_folio:xfs_vm_read_folio CPU: 0 PID: 20306 Comm: syz-executor.5 Tainted: G B 6.6.0-rc3-syzkaller-00214-ge402b08634b3 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106 print_bad_pte+0x581/0x5c0 mm/memory.c:535 zap_pte_range mm/memory.c:1458 [inline] zap_pmd_range mm/memory.c:1573 [inline] zap_pud_range mm/memory.c:1602 [inline] zap_p4d_range mm/memory.c:1623 [inline] unmap_page_range+0x1a76/0x3320 mm/memory.c:1644 unmap_vmas+0x2b8/0x460 mm/memory.c:1731 exit_mmap+0x297/0xc50 mm/mmap.c:3210 __mmput+0x115/0x3c0 kernel/fork.c:1349 exit_mm+0x21f/0x300 kernel/exit.c:567 do_exit+0x9af/0x2650 kernel/exit.c:861 do_group_exit+0x206/0x2c0 kernel/exit.c:1024 get_signal+0x175d/0x1840 kernel/signal.c:2892 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:309 exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:168 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline] syscall_exit_to_user_mode+0x64/0x280 kernel/entry/common.c:296 do_syscall_64+0x4d/0xc0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f804747cae9 Code: Unable to access opcode bytes at 0x7f804747cabf. RSP: 002b:00007f80481ff0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000148 RAX: ffffffffffffffe5 RBX: 00007f804759bf80 RCX: 00007f804747cae9 RDX: 0000000000000002 RSI: 0000000020000300 RDI: 0000000000000007 RBP: 00007f80474c847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000008800000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f804759bf80 R15: 00007ffe3f519b88 BUG: Bad page map in process syz-executor.5 pte:fffffc7610120 pmd:274e7067 page:ffffea0000e27bc0 refcount:2 mapcount:-1 mapping:0000000000000000 index:0x0 pfn:0x389ef memcg:ffff88807d024000 flags: 0xfff00000008028(uptodate|lru|private|node=0|zone=1|lastcpupid=0x7ff) page_type: 0xfffffffe() raw: 00fff00000008028 ffffea0001247948 ffffea0000f0d7c8 0000000000000000 raw: 0000000000000000 ffff88801dc06828 00000002fffffffe ffff88807d024000 page dumped because: bad pte page_owner tracks the page as allocated page last allocated via order 0, migratetype Movable, gfp_mask 0x140cca(GFP_HIGHUSER_MOVABLE|__GFP_COMP), pid 11995, tgid 11989 (syz-executor.4), ts 578916694755, free_ts 578841329659 set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook+0x1e6/0x210 mm/page_alloc.c:1536 prep_new_page mm/page_alloc.c:1543 [inline] get_page_from_freelist+0x31db/0x3360 mm/page_alloc.c:3170 __alloc_pages+0x255/0x670 mm/page_alloc.c:4426 folio_alloc+0x1e/0x60 mm/mempolicy.c:2308 filemap_alloc_folio+0xde/0x500 mm/filemap.c:976 do_read_cache_folio+0xed/0x810 mm/filemap.c:3706 do_read_cache_page+0x30/0x210 mm/filemap.c:3808 read_mapping_page include/linux/pagemap.h:860 [inline] ntfs_map_page fs/ntfs/aops.h:75 [inline] map_mft_record_page fs/ntfs/mft.c:73 [inline] map_mft_record+0x1cd/0x630 fs/ntfs/mft.c:156 ntfs_read_locked_inode+0x193/0x4980 fs/ntfs/inode.c:550 ntfs_read_inode_mount+0xda6/0x2660 fs/ntfs/inode.c:2098 ntfs_fill_super+0x1883/0x2bd0 fs/ntfs/super.c:2863 mount_bdev+0x237/0x300 fs/super.c:1629 legacy_get_tree+0xef/0x190 fs/fs_context.c:638 vfs_get_tree+0x8c/0x280 fs/super.c:1750 do_new_mount+0x28f/0xae0 fs/namespace.c:3335 do_mount fs/namespace.c:3675 [inline] __do_sys_mount fs/namespace.c:3884 [inline] __se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3861 page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1136 [inline] free_unref_page_prepare+0x8c3/0x9f0 mm/page_alloc.c:2312 free_unref_page_list+0x596/0x830 mm/page_alloc.c:2451 release_pages+0x2113/0x23f0 mm/swap.c:1042 tlb_batch_pages_flush mm/mmu_gather.c:98 [inline] tlb_flush_mmu_free mm/mmu_gather.c:293 [inline] tlb_flush_mmu+0x34c/0x4e0 mm/mmu_gather.c:300 tlb_finish_mmu+0xd4/0x1f0 mm/mmu_gather.c:392 unmap_region+0x300/0x350 mm/mmap.c:2318 do_vmi_align_munmap+0x121e/0x1850 mm/mmap.c:2555 do_vmi_munmap+0x24d/0x2d0 mm/mmap.c:2623 __vm_munmap+0x230/0x450 mm/mmap.c:2908 __do_sys_munmap mm/mmap.c:2925 [inline] __se_sys_munmap mm/mmap.c:2922 [inline] __x64_sys_munmap+0x69/0x80 mm/mmap.c:2922 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd addr:0000000020006000 vm_flags:080000d0 anon_vma:0000000000000000 mapping:ffff88803ecbe110 index:5 file:bus fault:xfs_filemap_fault mmap:xfs_file_mmap read_folio:xfs_vm_read_folio CPU: 0 PID: 20306 Comm: syz-executor.5 Tainted: G B 6.6.0-rc3-syzkaller-00214-ge402b08634b3 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106 print_bad_pte+0x581/0x5c0 mm/memory.c:535 zap_pte_range mm/memory.c:1458 [inline] zap_pmd_range mm/memory.c:1573 [inline] zap_pud_range mm/memory.c:1602 [inline] zap_p4d_range mm/memory.c:1623 [inline] unmap_page_range+0x1a76/0x3320 mm/memory.c:1644 unmap_vmas+0x2b8/0x460 mm/memory.c:1731 exit_mmap+0x297/0xc50 mm/mmap.c:3210 __mmput+0x115/0x3c0 kernel/fork.c:1349 exit_mm+0x21f/0x300 kernel/exit.c:567 do_exit+0x9af/0x2650 kernel/exit.c:861 do_group_exit+0x206/0x2c0 kernel/exit.c:1024 get_signal+0x175d/0x1840 kernel/signal.c:2892 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:309 exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:168 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline] syscall_exit_to_user_mode+0x64/0x280 kernel/entry/common.c:296 do_syscall_64+0x4d/0xc0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f804747cae9 Code: Unable to access opcode bytes at 0x7f804747cabf. RSP: 002b:00007f80481ff0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000148 RAX: ffffffffffffffe5 RBX: 00007f804759bf80 RCX: 00007f804747cae9 RDX: 0000000000000002 RSI: 0000000020000300 RDI: 0000000000000007 RBP: 00007f80474c847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000008800000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f804759bf80 R15: 00007ffe3f519b88 ------------[ cut here ]------------ kernel BUG at mm/page_table_check.c:145! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 20306 Comm: syz-executor.5 Tainted: G B 6.6.0-rc3-syzkaller-00214-ge402b08634b3 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 RIP: 0010:__page_table_check_zero+0x2ce/0x4a0 mm/page_table_check.c:145 Code: 58 fa ff ff e8 e3 41 9a ff 48 ff cb e9 b5 fd ff ff e8 d6 41 9a ff 48 ff cb e9 27 fe ff ff e8 c9 41 9a ff 0f 0b e8 c2 41 9a ff <0f> 0b e8 bb 41 9a ff 0f 0b f3 0f 1e fa 4c 89 f6 48 81 e6 ff 0f 00 RSP: 0018:ffffc900154c7128 EFLAGS: 00010293 RAX: ffffffff81f3c8ae RBX: 0000000000000001 RCX: ffff88807ce15940 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffff88801482cb30 R08: ffffffff81f3c7c5 R09: 1ffff11002905966 R10: dffffc0000000000 R11: ffffed1002905967 R12: 0000000000000000 R13: 1ffffffff23eb75c R14: 0000000000000000 R15: ffff88801482caf0 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110f26fc7d CR3: 0000000029ca2000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: page_table_check_free include/linux/page_table_check.h:41 [inline] free_pages_prepare mm/page_alloc.c:1137 [inline] free_unref_page_prepare+0x8d7/0x9f0 mm/page_alloc.c:2312 free_unref_page_list+0x596/0x830 mm/page_alloc.c:2451 release_pages+0x2113/0x23f0 mm/swap.c:1042 tlb_batch_pages_flush mm/mmu_gather.c:98 [inline] tlb_flush_mmu_free mm/mmu_gather.c:293 [inline] tlb_flush_mmu+0x34c/0x4e0 mm/mmu_gather.c:300 zap_pte_range mm/memory.c:1534 [inline] zap_pmd_range mm/memory.c:1573 [inline] zap_pud_range mm/memory.c:1602 [inline] zap_p4d_range mm/memory.c:1623 [inline] unmap_page_range+0x29dc/0x3320 mm/memory.c:1644 unmap_vmas+0x2b8/0x460 mm/memory.c:1731 exit_mmap+0x297/0xc50 mm/mmap.c:3210 __mmput+0x115/0x3c0 kernel/fork.c:1349 exit_mm+0x21f/0x300 kernel/exit.c:567 do_exit+0x9af/0x2650 kernel/exit.c:861 do_group_exit+0x206/0x2c0 kernel/exit.c:1024 get_signal+0x175d/0x1840 kernel/signal.c:2892 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:309 exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:168 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline] syscall_exit_to_user_mode+0x64/0x280 kernel/entry/common.c:296 do_syscall_64+0x4d/0xc0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f804747cae9 Code: Unable to access opcode bytes at 0x7f804747cabf. RSP: 002b:00007f80481ff0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000148 RAX: ffffffffffffffe5 RBX: 00007f804759bf80 RCX: 00007f804747cae9 RDX: 0000000000000002 RSI: 0000000020000300 RDI: 0000000000000007 RBP: 00007f80474c847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000008800000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f804759bf80 R15: 00007ffe3f519b88 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__page_table_check_zero+0x2ce/0x4a0 mm/page_table_check.c:145 Code: 58 fa ff ff e8 e3 41 9a ff 48 ff cb e9 b5 fd ff ff e8 d6 41 9a ff 48 ff cb e9 27 fe ff ff e8 c9 41 9a ff 0f 0b e8 c2 41 9a ff <0f> 0b e8 bb 41 9a ff 0f 0b f3 0f 1e fa 4c 89 f6 48 81 e6 ff 0f 00 RSP: 0018:ffffc900154c7128 EFLAGS: 00010293 RAX: ffffffff81f3c8ae RBX: 0000000000000001 RCX: ffff88807ce15940 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffff88801482cb30 R08: ffffffff81f3c7c5 R09: 1ffff11002905966 R10: dffffc0000000000 R11: ffffed1002905967 R12: 0000000000000000 R13: 1ffffffff23eb75c R14: 0000000000000000 R15: ffff88801482caf0 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555555916938 CR3: 0000000028823000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400