Re: [PATCH v2] ksmbd: report actual xattr value length in stream enumeration

On Fri, Jul 10, 2026 at 1:51 AM Gaël Blivet-Bailly
<[email protected]> wrote:
>
> From: Gael Blivet <[email protected]>
>
> get_file_stream_info() (FileStreamInformation QUERY_INFO) reported
> each enumerated stream's StreamSize/StreamAllocationSize as
> stream_name_len -- the byte length of the stream's *name*, not its
> data. This is the same bug class already fixed for EndOfFile/
> AllocationSize on an open stream handle (ksmbd_stream_eof()), just
> missed at this second site: a client enumerating streams sees a size
> derived from the name string length instead of the stream's actual
> content length, inconsistent with what querying the same stream by
> handle reports.
>
> Compute the real value length the same way ksmbd_stream_eof() does,
> via ksmbd_vfs_casexattr_len() on the already-known xattr key.
>
> Signed-off-by: Gael Blivet <[email protected]>
Applied it to #ksmbd-for-next-next.
Thanks!