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Chuck Lever
ed4a567a17
A GETATTR with a large result can advance xdr->page_ptr without updating rq_next_page. If a splice READ follows that GETATTR in the COMPOUND, nfsd_splice_actor can start splicing at the wrong page. I've also seen READLINK and READDIR leave rq_next_page in an unmodified state. There are potentially a myriad of combinations like this, so play it safe: move the rq_next_page update to nfsd4_encode_operation. Signed-off-by: Chuck Lever <chuck.lever@oracle.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.