Thore Sommer 118f31b496 dm ima: fix wrong length calculation for no_data string
All entries measured by dm ima are prefixed by a version string
(dm_version=N.N.N). When there is no data to measure, the entire buffer is
overwritten with a string containing the version string again and the
length of that string is added to the length of the version string.
The new length is now wrong because it contains the version string twice.

This caused entries like this:
dm_version=4.45.0;name=test,uuid=test;table_clear=no_data; \
\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00 \
current_device_capacity=204808;

Signed-off-by: Thore Sommer <public@thson.de>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2022-02-22 10:42:41 -05:00
2022-02-02 07:49:59 -07:00
2022-02-15 07:47:52 -07:00
2022-02-02 07:49:59 -07:00
2022-01-22 08:33:37 +02:00
2022-02-02 07:49:59 -07:00
2022-01-22 08:33:37 +02:00
2022-01-30 15:37:07 +02:00

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.
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