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Paulo Alcantara 86be153441 smb: client: handle max length for SMB symlinks 
commit 0812340811 upstream.

We can't use PATH_MAX for SMB symlinks because

  (1) Windows Server will fail FSCTL_SET_REPARSE_POINT with
      STATUS_IO_REPARSE_DATA_INVALID when input buffer is larger than
      16K, as specified in MS-FSA 2.1.5.10.37.

  (2) The client won't be able to parse large SMB responses that
      includes SMB symlink path within SMB2_CREATE or SMB2_IOCTL
      responses.

Fix this by defining a maximum length value (4060) for SMB symlinks
that both client and server can handle.

Cc: David Howells <dhowells@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Paulo Alcantara (Red Hat) <pc@manguebit.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2024-12-05 14:02:59 +01:00
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README

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 reStructuredText 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.