On Tue, Mar 22, 2022 at 2:38 PM Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote:
>
> From: Dongliang Mu <mudongliangabcd@xxxxxxxxx>
> Subject: ntfs: add sanity check on allocation size
>
> ntfs_read_inode_mount invokes ntfs_malloc_nofs with zero allocation size.
> It triggers one BUG in the __ntfs_malloc function.
Hmm. A more serious issue seems to be that cast to (u32).
ntfs_attr_size(a) returns a 's64', so it just randomly truncates a
possibly bad value..
Linus
