syzbot

ntfs: (device loop4): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel.
ntfs: volume version 3.1.
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BUG: KASAN: out-of-bounds in ntfs_attr_record_resize fs/ntfs/attrib.c:1459 [inline]
BUG: KASAN: out-of-bounds in ntfs_resident_attr_value_resize+0x14c/0x46c fs/ntfs/attrib.c:1495
Read of size 18446744073709551361 at addr ffff000135405980 by task syz-executor.4/7139

CPU: 1 PID: 7139 Comm: syz-executor.4 Not tainted 6.1.23-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
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
 kasan_check_range+0x264/0x2a4 mm/kasan/generic.c:189
 memmove+0x48/0x90 mm/kasan/shadow.c:54
 ntfs_attr_record_resize fs/ntfs/attrib.c:1459 [inline]
 ntfs_resident_attr_value_resize+0x14c/0x46c fs/ntfs/attrib.c:1495
 ntfs_truncate+0x5c0/0x2118 fs/ntfs/inode.c:2495
 ntfs_truncate_vfs fs/ntfs/inode.c:2862 [inline]
 ntfs_setattr+0x260/0x320 fs/ntfs/inode.c:2914
 notify_change+0xc24/0xec0 fs/attr.c:482
 do_truncate+0x1c0/0x28c fs/open.c:65
 handle_truncate fs/namei.c:3216 [inline]
 do_open fs/namei.c:3561 [inline]
 path_openat+0x1fa0/0x2548 fs/namei.c:3714
 do_filp_open+0x1bc/0x3cc fs/namei.c:3741
 do_sys_openat2+0x128/0x3d8 fs/open.c:1310
 do_sys_open fs/open.c:1326 [inline]
 __do_sys_openat fs/open.c:1342 [inline]
 __se_sys_openat fs/open.c:1337 [inline]
 __arm64_sys_openat+0x1f0/0x240 fs/open.c:1337
 __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:581

The buggy address belongs to the physical page:
page:00000000caf8e637 refcount:4 mapcount:0 mapping:0000000069999f6a index:0x21 pfn:0x175405
memcg:ffff00012ca10000
aops:ntfs_mst_aops ino:0
flags: 0x5ffc00000002046(referenced|uptodate|workingset|private|node=0|zone=2|lastcpupid=0x7ff)
raw: 05ffc00000002046 0000000000000000 dead000000000122 ffff00012b66d7c8
raw: 0000000000000021 ffff0000dd6b6488 00000004ffffffff ffff00012ca10000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff000135405880: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff000135405900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff000135405980: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
                   ^
 ffff000135405a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff000135405a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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