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6d2fcfe6b5
SMB3.0 doesn't have encryption negotiate context but simply uses the SMB2_GLOBAL_CAP_ENCRYPTION flag. When that flag is present in the neg response cifs.ko uses AES-128-CCM which is the only cipher available in this context. cipher_type was set to the server cipher only when parsing encryption negotiate context (SMB3.1.1). For SMB3.0 it was set to 0. This means cipher_type value can be 0 or 1 for AES-128-CCM. Fix this by checking for SMB3.0 and encryption capability and setting cipher_type appropriately. Signed-off-by: Aurelien Aptel <aaptel@suse.com> Cc: <stable@vger.kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com>
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.