ntfs: (device loop2): map_mft_record_page(): Mft record 0xa is corrupt. Run chkdsk. ntfs: volume version 1.0. ================================================================== BUG: KASAN: use-after-free in sle64_to_cpup fs/ntfs/endian.h:46 [inline] BUG: KASAN: use-after-free in ntfs_lookup_inode_by_name+0xe86/0x2ca0 fs/ntfs/dir.c:292 Read of size 8 at addr ffff888088bac560 by task syz-executor.2/13179 CPU: 1 PID: 13179 Comm: syz-executor.2 Not tainted 6.4.0-syzkaller-01312-gb19edac5992d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:351 [inline] print_report+0x163/0x540 mm/kasan/report.c:462 kasan_report+0x176/0x1b0 mm/kasan/report.c:572 sle64_to_cpup fs/ntfs/endian.h:46 [inline] ntfs_lookup_inode_by_name+0xe86/0x2ca0 fs/ntfs/dir.c:292 check_windows_hibernation_status+0xf0/0x4c0 fs/ntfs/super.c:1282 load_system_files+0x35db/0x4840 fs/ntfs/super.c:1997 ntfs_fill_super+0x19b3/0x2bd0 fs/ntfs/super.c:2900 mount_bdev+0x276/0x3b0 fs/super.c:1392 legacy_get_tree+0xef/0x190 fs/fs_context.c:611 vfs_get_tree+0x8c/0x270 fs/super.c:1520 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 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 RIP: 0033:0x7f094c08d8ba Code: 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f094cdf4f88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 000000000001f62d RCX: 00007f094c08d8ba RDX: 000000002001f7c0 RSI: 000000002001f640 RDI: 00007f094cdf4fe0 RBP: 00007f094cdf5020 R08: 00007f094cdf5020 R09: 000000000000c002 R10: 000000000000c002 R11: 0000000000000202 R12: 000000002001f7c0 R13: 000000002001f640 R14: 00007f094cdf4fe0 R15: 000000002001f980 The buggy address belongs to the physical page: page:ffffea000222eb00 refcount:1 mapcount:0 mapping:ffff88804f866e28 index:0x4a7 pfn:0x88bac memcg:ffff88807b38a000 aops:shmem_aops ino:2844 dentry name:"memfd:syzkaller" flags: 0xfff0000008001e(referenced|uptodate|dirty|lru|swapbacked|node=0|zone=1|lastcpupid=0x7ff) page_type: 0xffffffff() raw: 00fff0000008001e ffffea000222eb48 ffffea00021a1a08 ffff88804f866e28 raw: 00000000000004a7 0000000000000000 00000001ffffffff ffff88807b38a000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 0, migratetype Movable, gfp_mask 0x140cca(GFP_HIGHUSER_MOVABLE|__GFP_COMP), pid 13177, tgid 13174 (syz-executor.1), ts 2231851041435, free_ts 2228352519768 set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook+0x1e6/0x210 mm/page_alloc.c:1744 prep_new_page mm/page_alloc.c:1751 [inline] get_page_from_freelist+0x320e/0x3390 mm/page_alloc.c:3523 __alloc_pages+0x255/0x670 mm/page_alloc.c:4794 __folio_alloc+0x13/0x30 mm/page_alloc.c:4826 vma_alloc_folio+0x48a/0x9a0 mm/mempolicy.c:2240 shmem_alloc_folio mm/shmem.c:1579 [inline] shmem_alloc_and_acct_folio+0x5e7/0xe10 mm/shmem.c:1603 shmem_get_folio_gfp+0x120f/0x3470 mm/shmem.c:1948 shmem_get_folio mm/shmem.c:2079 [inline] shmem_write_begin+0x172/0x4e0 mm/shmem.c:2573 generic_perform_write+0x300/0x5e0 mm/filemap.c:3946 __generic_file_write_iter+0x17a/0x400 mm/filemap.c:4074 generic_file_write_iter+0xaf/0x310 mm/filemap.c:4106 call_write_iter include/linux/fs.h:1872 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x782/0xaf0 fs/read_write.c:584 ksys_write+0x1a0/0x2c0 fs/read_write.c:637 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 page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1308 [inline] free_unref_page_prepare+0x903/0xa30 mm/page_alloc.c:2577 free_unref_page_list+0x596/0x830 mm/page_alloc.c:2718 release_pages+0x2193/0x2470 mm/swap.c:1042 __pagevec_release+0x84/0x100 mm/swap.c:1062 pagevec_release include/linux/pagevec.h:63 [inline] folio_batch_release include/linux/pagevec.h:132 [inline] shmem_undo_range+0x6af/0x1ba0 mm/shmem.c:954 shmem_truncate_range mm/shmem.c:1049 [inline] shmem_evict_inode+0x258/0x9f0 mm/shmem.c:1164 evict+0x2a4/0x620 fs/inode.c:665 __dentry_kill+0x436/0x650 fs/dcache.c:607 dentry_kill+0xbb/0x290 dput+0x1f3/0x420 fs/dcache.c:913 __fput+0x628/0x950 fs/file_table.c:386 task_work_run+0x24a/0x300 kernel/task_work.c:179 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0xd9/0x100 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:286 [inline] syscall_exit_to_user_mode+0x64/0x280 kernel/entry/common.c:297 do_syscall_64+0x4d/0xc0 arch/x86/entry/common.c:86 Memory state around the buggy address: ffff888088bac400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff888088bac480: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff888088bac500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ^ ffff888088bac580: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff888088bac600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ==================================================================