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WSL2-Linux-Kernel
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The source for the Linux kernel used in Windows Subsystem for Linux 2 (WSL2)
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Tamir Duberstein ec33da9ae0 ipv6: raw: check passed optlen before reading 
[ Upstream commit fb7bc92040 ]

Add a check that the user-provided option is at least as long as the
number of bytes we intend to read. Before this patch we would blindly
read sizeof(int) bytes even in cases where the user passed
optlen<sizeof(int), which would potentially read garbage or fault.

Discovered by new tests in https://github.com/google/gvisor/pull/6957 .

The original get_user call predates history in the git repo.

Signed-off-by: Tamir Duberstein <tamird@gmail.com>
Signed-off-by: Willem de Bruijn <willemb@google.com>
Link: https://lore.kernel.org/r/20211229200947.2862255-1-willemdebruijn.kernel@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 		2022-01-11 15:35:18 +01:00
Documentation Input: i8042 - add deferred probe support 2022-01-05 12:42:32 +01:00
LICENSES LICENSES/dual/CC-BY-4.0: Git rid of "smart quotes" 2021-07-15 06:31:24 -06:00
arch KVM: x86: Check for rmaps allocation 2022-01-11 15:35:15 +01:00
block iocost: Fix divide-by-zero on donation from low hweight cgroup 2021-12-22 09:32:48 +01:00
certs certs: Add support for using elliptic curve keys for signing modules 2021-08-23 19:55:42 +03:00
crypto crypto: pcrypt - Delay write to padata->info 2021-11-18 19:16:44 +01:00
drivers drm/amd/display: Added power down for DCN10 2022-01-11 15:35:18 +01:00
fs xfs: map unwritten blocks in XFS_IOC_{ALLOC,FREE}SP just like fallocate 2022-01-11 15:35:16 +01:00
include fbdev: fbmem: add a helper to determine if an aperture is used by a fw fb 2022-01-11 15:35:16 +01:00
init init: make unknown command line param message clearer 2021-11-18 19:17:11 +01:00
ipc shm: extend forced shm destroy to support objects from several IPC nses 2021-11-25 09:48:42 +01:00
kernel cgroup: Use open-time cgroup namespace for process migration perm checks 2022-01-11 15:35:15 +01:00
lib siphash: use _unaligned version by default 2021-12-08 09:04:47 +01:00
mm mm/damon/dbgfs: fix 'struct pid' leaks in 'dbgfs_target_ids_write()' 2022-01-05 12:42:39 +01:00
net ipv6: raw: check passed optlen before reading 2022-01-11 15:35:18 +01:00
samples ftrace/samples: Add missing prototypes direct functions 2022-01-11 15:35:13 +01:00
scripts recordmcount.pl: fix typo in s390 mcount regex 2022-01-05 12:42:33 +01:00
security selinux: initialize proto variable in selinux_ip_postroute_compat() 2022-01-05 12:42:34 +01:00
sound ALSA: hda: intel-sdw-acpi: go through HDAS ACPI at max depth of 2 2022-01-05 12:42:33 +01:00
tools selftests: net: udpgro_fwd.sh: explicitly checking the available ping feature 2022-01-11 15:35:14 +01:00
usr .gitignore: prefix local generated files with a slash 2021-05-02 00:43:35 +09:00
virt KVM: downgrade two BUG_ONs to WARN_ON_ONCE 2021-12-22 09:32:34 +01:00
.clang-format clang-format: Update with the latest for_each macro list 2021-05-12 23:32:39 +02:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.get_maintainer.ignore Opt out of scripts/get_maintainer.pl 2019-05-16 10:53:40 -07:00
.gitattributes .gitattributes: use 'dts' diff driver for dts files 2019-12-04 19:44:11 -08:00
.gitignore .gitignore: ignore only top-level modules.builtin 2021-05-02 00:43:35 +09:00
.mailmap mailmap: add Andrej Shadura 2021-10-18 20:22:03 -10:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: Move Daniel Drake to credits 2021-09-21 08:34:58 +03:00
Kbuild kbuild: rename hostprogs-y/always to hostprogs/always-y 2020-02-04 01:53:07 +09:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS drm fixes for 5.15 final 2021-10-28 12:17:01 -07:00
Makefile Linux 5.15.13 2022-01-05 12:42:40 +01:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

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.