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Namjae Jeon 773fddf976 ksmbd: smbdirect: validate data_offset and data_length field of smb_direct_data_transfer 
[ Upstream commit 5282491fc4 ]

If data_offset and data_length of smb_direct_data_transfer struct are
invalid, out of bounds issue could happen.
This patch validate data_offset and data_length field in recv_done.

Cc: stable@vger.kernel.org
Fixes: 2ea086e35c ("ksmbd: add buffer validation for smb direct")
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Reported-by: Luigino Camastra, Aisle Research <luigino.camastra@aisle.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
[ Applied to fs/ksmbd/transport_rdma.c instead of fs/smb/server/transport_rdma.c ]
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2025-10-02 13:39:09 +02:00
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README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.