loop0: detected capacity change from 0 to 4096
==================================================================
BUG: KASAN: use-after-free in ntfs_attr_find+0x5a0/0x9d0 fs/ntfs/attrib.c:609
Read of size 2 at addr ffff0000df9af442 by task syz-executor958/4223
CPU: 0 PID: 4223 Comm: syz-executor958 Not tainted 6.1.90-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
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_iget+0x110/0x19c fs/ntfs/inode.c:177
load_and_init_mft_mirror fs/ntfs/super.c:1027 [inline]
load_system_files+0xe4/0x4734 fs/ntfs/super.c:1772
ntfs_fill_super+0x14e0/0x2314 fs/ntfs/super.c:2892
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+0x278/0x8fc fs/namespace.c:3051
path_mount+0x590/0xe5c fs/namespace.c:3381
do_mount fs/namespace.c:3394 [inline]
__do_sys_mount fs/namespace.c:3602 [inline]
__se_sys_mount fs/namespace.c:3579 [inline]
__arm64_sys_mount+0x45c/0x594 fs/namespace.c:3579
__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:00000000ecfc461d refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x11f9af
flags: 0x5ffc00000000000(node=0|zone=2|lastcpupid=0x7ff)
raw: 05ffc00000000000 fffffc0005c6d8c8 fffffc0006208588 0000000000000000
raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff0000df9af300: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
ffff0000df9af380: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
>ffff0000df9af400: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
^
ffff0000df9af480: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
ffff0000df9af500: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================
ntfs: (device loop0): ntfs_attr_find(): Inode is corrupt. Run chkdsk.
ntfs: (device loop0): ntfs_read_locked_inode(): Failed to lookup attribute list attribute.
ntfs: (device loop0): ntfs_read_locked_inode(): Failed with error code -5. Marking corrupt inode 0x1 as bad. Run chkdsk.
ntfs: (device loop0): load_system_files(): Failed to load $MFTMirr. Will not be able to remount read-write. Run ntfsfix and/or chkdsk.
ntfs: (device loop0): map_mft_record_page(): Mft record 0xa is corrupt. Run chkdsk.
ntfs: (device loop0): map_mft_record(): Failed with error code 5.
ntfs: (device loop0): ntfs_read_locked_inode(): Failed with error code -5. Marking corrupt inode 0xa as bad. Run chkdsk.
ntfs: (device loop0): load_and_init_upcase(): Failed to load $UpCase from the volume. Using default.
syz-executor958: attempt to access beyond end of device
loop0: rw=0, sector=32768, nr_sectors = 2 limit=4096
ntfs: (device loop0): ntfs_end_buffer_async_read(): Buffer I/O error, logical block 0x4000.
syz-executor958: attempt to access beyond end of device
loop0: rw=0, sector=32770, nr_sectors = 2 limit=4096
ntfs: (device loop0): ntfs_end_buffer_async_read(): Buffer I/O error, logical block 0x4001.
syz-executor958: attempt to access beyond end of device
loop0: rw=0, sector=32772, nr_sectors = 2 limit=4096