syzbot

loop0: detected capacity change from 0 to 4096
ntfs: (device loop0): is_boot_sector_ntfs(): Invalid end of sector marker.
==================================================================
BUG: KASAN: use-after-free in ntfs_attr_find+0x5a0/0x9d0 fs/ntfs/attrib.c:609
Read of size 2 at addr ffff0000e16e3042 by task syz-executor349/4225

CPU: 0 PID: 4225 Comm: syz-executor349 Not tainted 6.1.69-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
Call trace:
 dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:284 [inline]
 print_report+0x174/0x4c0 mm/kasan/report.c:395
 kasan_report+0xd4/0x130 mm/kasan/report.c:495
 __asan_report_load_n_noabort+0x28/0x34 mm/kasan/report_generic.c:361
 ntfs_attr_find+0x5a0/0x9d0 fs/ntfs/attrib.c:609
 ntfs_attr_lookup+0x3dc/0x1cd8
 ntfs_read_locked_inode+0x87c/0x38e0 fs/ntfs/inode.c:666
 ntfs_read_inode_mount+0xbb0/0x2044 fs/ntfs/inode.c:2098
 ntfs_fill_super+0x13b4/0x2314 fs/ntfs/super.c:2855
 mount_bdev+0x274/0x370 fs/super.c:1432
 ntfs_mount+0x44/0x58 fs/ntfs/super.c:3049
 legacy_get_tree+0xd4/0x16c fs/fs_context.c:632
 vfs_get_tree+0x90/0x274 fs/super.c:1562
 do_new_mount+0x25c/0x8c4 fs/namespace.c:3040
 path_mount+0x590/0xe5c fs/namespace.c:3370
 do_mount fs/namespace.c:3383 [inline]
 __do_sys_mount fs/namespace.c:3591 [inline]
 __se_sys_mount fs/namespace.c:3568 [inline]
 __arm64_sys_mount+0x45c/0x594 fs/namespace.c:3568
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206
 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585

The buggy address belongs to the physical page:
page:000000004dfbbf4b refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x1216e3
flags: 0x5ffc00000000000(node=0|zone=2|lastcpupid=0x7ff)
raw: 05ffc00000000000 fffffc00037f3188 fffffc000385ba08 0000000000000000
raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff0000e16e2f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff0000e16e2f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff0000e16e3000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                                           ^
 ffff0000e16e3080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff0000e16e3100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================
ntfs: (device loop0): ntfs_is_extended_system_file(): Inode hard link count doesn't match number of name attributes. You should run chkdsk.
ntfs: (device loop0): ntfs_read_locked_inode(): $DATA attribute is missing.
ntfs: (device loop0): ntfs_read_locked_inode(): Failed with error code -2.  Marking corrupt inode 0x0 as bad.  Run chkdsk.
ntfs: (device loop0): ntfs_read_inode_mount(): ntfs_read_inode() of $MFT failed. BUG or corrupt $MFT. Run chkdsk and if no errors are found, please report you saw this message to linux-ntfs-dev@lists.sourceforge.net
ntfs: (device loop0): ntfs_fill_super(): Failed to load essential metadata.