If we somehow attempt to read beyond the directory size, an error is supposed to be returned.
However, in some cases, read requests do not stop and instead enter into a loop.
To avoid this, we set the position in the directory to the end.
Signed-off-by: Konstantin Komarov almaz.alexandrovich@paragon-software.com Cc: stable@vger.kernel.org --- fs/ntfs3/dir.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/fs/ntfs3/dir.c b/fs/ntfs3/dir.c index 5cf3d9decf64..45e556fd7c54 100644 --- a/fs/ntfs3/dir.c +++ b/fs/ntfs3/dir.c @@ -475,6 +475,7 @@ static int ntfs_readdir(struct file *file, struct dir_context *ctx) vbo = (u64)bit << index_bits; if (vbo >= i_size) { ntfs_inode_err(dir, "Looks like your dir is corrupt"); + ctx->pos = eod; err = -EINVAL; goto out; }