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KP Singh 27672f0d28 bpf: Add a BPF helper for getting the IMA hash of an inode
Provide a wrapper function to get the IMA hash of an inode. This helper
is useful in fingerprinting files (e.g executables on execution) and
using these fingerprints in detections like an executable unlinking
itself.

Since the ima_inode_hash can sleep, it's only allowed for sleepable
LSM hooks.

Signed-off-by: KP Singh <kpsingh@google.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Yonghong Song <yhs@fb.com>
Link: https://lore.kernel.org/bpf/20201124151210.1081188-3-kpsingh@chromium.org
2020-11-26 00:04:04 +01:00
arch Merge https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-11-12 16:54:48 -08:00
block blk-mq: mark flush request as IDLE in flush_end_io() 2020-10-30 08:33:49 -06:00
certs
crypto
Documentation Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2020-11-14 09:13:41 -08:00
drivers i40e: Use batched xsk Tx interfaces to increase performance 2020-11-17 22:07:40 +01:00
fs NFS Client Bugfixes for Linux 5.10-rc4 2020-11-12 13:49:12 -08:00
include bpf: Add a BPF helper for getting the IMA hash of an inode 2020-11-26 00:04:04 +01:00
init
ipc
kernel bpf: Add a BPF helper for getting the IMA hash of an inode 2020-11-26 00:04:04 +01:00
lib Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2020-11-14 09:13:41 -08:00
LICENSES
mm mm/truncate.c: make __invalidate_mapping_pages() static 2020-11-02 12:14:19 -08:00
net xsk: Introduce batched Tx descriptor interfaces 2020-11-17 22:07:40 +01:00
samples samples/bpf: Increment Tx stats at sending 2020-11-17 22:07:40 +01:00
scripts bpf: Add a BPF helper for getting the IMA hash of an inode 2020-11-26 00:04:04 +01:00
security ima: Implement ima_inode_hash 2020-11-26 00:04:04 +01:00
sound ASoC: Fixes for v5.10 2020-11-05 18:19:32 +01:00
tools bpf: Add a BPF helper for getting the IMA hash of an inode 2020-11-26 00:04:04 +01:00
usr
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS MAINTAINERS: Move Sangbeom Kim to credits 2020-10-26 10:11:18 +01:00
Kbuild
Kconfig
MAINTAINERS Merge https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-11-12 16:54:48 -08:00
Makefile Linux 5.10-rc3 2020-11-08 16:10:16 -08:00
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.