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Jordan Crouse 860433ed2a drm/msm: Truncate the buffer object name if the copy from user failed
(Resend since there was a compile error that I forgot to commit before sending)

If there is a error while doing a copy_from_user() for MSM_INFO_SET_NAME
make sure to truncate the object name so that there isn't a chance that
we'll have random data in the string.

This is on top of [1] reported and fixed by Dan Carpenter.

[1] https://patchwork.freedesktop.org/series/56656/

Fixes: f05c83e774 ("drm/msm: add uapi to get/set debug name")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
History 2019-02-19 14:54:08 -05:00
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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.