ntfs: (device loop0): map_mft_record_page(): Mft record 0x4 is corrupt.  Run chkdsk.
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BUG: KASAN: use-after-free in ntfs_read_locked_inode+0x47c6/0x5580 fs/ntfs/inode.c:670
Read of size 8 at addr ffff88808ad693d5 by task syz-executor122/8129

CPU: 1 PID: 8129 Comm: syz-executor122 Not tainted 4.19.163-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2fe lib/dump_stack.c:118
 print_address_description.cold+0x54/0x219 mm/kasan/report.c:256
 kasan_report_error.cold+0x8a/0x1c7 mm/kasan/report.c:354
 kasan_report mm/kasan/report.c:412 [inline]
 __asan_report_load_n_noabort+0x8b/0xa0 mm/kasan/report.c:443
 ntfs_read_locked_inode+0x47c6/0x5580 fs/ntfs/inode.c:670
 ntfs_iget+0x12d/0x180 fs/ntfs/inode.c:190
 load_and_init_mft_mirror+0x34/0x350 fs/ntfs/super.c:1041
 load_system_files fs/ntfs/super.c:1786 [inline]
 ntfs_fill_super+0xade/0x7e10 fs/ntfs/super.c:2908
 mount_bdev+0x2fc/0x3b0 fs/super.c:1158
 mount_fs+0xa3/0x30c fs/super.c:1261
 vfs_kern_mount.part.0+0x68/0x470 fs/namespace.c:961
 vfs_kern_mount fs/namespace.c:951 [inline]
 do_new_mount fs/namespace.c:2469 [inline]
 do_mount+0x113c/0x2f10 fs/namespace.c:2799
 ksys_mount+0xcf/0x130 fs/namespace.c:3015
 __do_sys_mount fs/namespace.c:3029 [inline]
 __se_sys_mount fs/namespace.c:3026 [inline]
 __x64_sys_mount+0xba/0x150 fs/namespace.c:3026
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4494fa
Code: b8 08 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 7d a3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 5a a3 fb ff c3 66 0f 1f 84 00 00 00 00 00
RSP: 002b:00007ffd9369a9c8 EFLAGS: 00000287 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007ffd9369aa20 RCX: 00000000004494fa
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffd9369a9e0
RBP: 00007ffd9369a9e0 R08: 00007ffd9369aa20 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000287 R12: 00000000000000ab
R13: 0000000000000004 R14: 0000000000000003 R15: 0000000000000003

The buggy address belongs to the page:
page:ffffea00022b5a40 count:0 mapcount:0 mapping:0000000000000000 index:0x1
flags: 0xfff00000000000()
raw: 00fff00000000000 ffffea00022b5a88 ffffea00022b5a08 0000000000000000
raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff88808ad69280: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff88808ad69300: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
>ffff88808ad69380: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                                                 ^
 ffff88808ad69400: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff88808ad69480: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
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