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Scott Branden 34736daeec IMA: Add support for file reads without contents
When the kernel_read_file LSM hook is called with contents=false, IMA
can appraise the file directly, without requiring a filled buffer. When
such a buffer is available, though, IMA can continue to use it instead
of forcing a double read here.

Signed-off-by: Scott Branden <scott.branden@broadcom.com>
Link: https://lore.kernel.org/lkml/20200706232309.12010-10-scott.branden@broadcom.com/
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Mimi Zohar <zohar@linux.ibm.com>
Link: https://lore.kernel.org/r/20201002173828.2099543-13-keescook@chromium.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-05 13:37:04 +02:00
arch
block
certs
crypto
Documentation Detailed description for this pull request: 2020-10-05 12:37:22 +02:00
drivers firmware_loader: Use security_post_load_data() 2020-10-05 13:37:03 +02:00
fs LSM: Add "contents" flag to kernel_read_file hook 2020-10-05 13:37:03 +02:00
include LSM: Add "contents" flag to kernel_read_file hook 2020-10-05 13:37:03 +02:00
init
ipc
kernel module: Call security_kernel_post_load_data() 2020-10-05 13:37:03 +02:00
lib
LICENSES
mm
net
samples
scripts
security IMA: Add support for file reads without contents 2020-10-05 13:37:04 +02:00
sound
tools
usr
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS Detailed description for this pull request: 2020-10-05 12:37:22 +02:00
Makefile
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.