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Roderick Colenbrander 74cb485f68 HID: playstation: sanity check DualShock4 calibration data.
Some DualShock4 devices report invalid calibration data resulting
in kernel oopses due to division by zero during report handling.

The devices affected generally appear to be clone devices, which don't
implement all reports properly and don't populate proper calibration
data. The issue may have been seen on an official device with erased
calibration reports.

This patch prevents the crashes by essentially disabling calibration
when invalid values are detected.

Signed-off-by: Roderick Colenbrander <roderick.colenbrander@sony.com>
Tested-by: Alain Carlucci <alain.carlucci@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2023-01-18 10:10:27 +01:00
arch Input updates for 6.2 merge window: 2022-12-13 13:20:36 -08:00
block for-6.2/block-2022-12-08 2022-12-13 10:43:59 -08:00
certs certs: make system keyring depend on built-in x509 parser 2022-09-24 04:31:18 +09:00
crypto iov_iter work; most of that is about getting rid of 2022-12-12 18:29:54 -08:00
Documentation Input updates for 6.2 merge window: 2022-12-13 13:20:36 -08:00
drivers HID: playstation: sanity check DualShock4 calibration data. 2023-01-18 10:10:27 +01:00
fs for-6.2/block-2022-12-08 2022-12-13 10:43:59 -08:00
include Input updates for 6.2 merge window: 2022-12-13 13:20:36 -08:00
init Non-MM patches for 6.2-rc1. 2022-12-12 17:28:58 -08:00
io_uring for-6.2/block-2022-12-08 2022-12-13 10:43:59 -08:00
ipc Non-MM patches for 6.2-rc1. 2022-12-12 17:28:58 -08:00
kernel for-6.2/block-2022-12-08 2022-12-13 10:43:59 -08:00
lib regulator: Updates for v6.2 2022-12-13 12:49:59 -08:00
LICENSES LICENSES/LGPL-2.1: Add LGPL-2.1-or-later as valid identifiers 2021-12-16 14:33:10 +01:00
mm for-6.2/block-2022-12-08 2022-12-13 10:43:59 -08:00
net lsm/stable-6.2 PR 20221212 2022-12-13 09:47:48 -08:00
rust rust: types: add Opaque type 2022-12-04 01:59:16 +01:00
samples Landlock updates for v6.2-rc1 2022-12-13 09:14:50 -08:00
scripts Devicetree updates for v6.2: 2022-12-13 13:13:55 -08:00
security lsm/stable-6.2 PR 20221212 2022-12-13 09:47:48 -08:00
sound sound updates for 6.2-rc1 2022-12-13 11:27:26 -08:00
tools sound updates for 6.2-rc1 2022-12-13 11:27:26 -08:00
usr usr/gen_init_cpio.c: remove unnecessary -1 values from int file 2022-10-03 14:21:44 -07:00
virt Merge branch 'kvm-dwmw2-fixes' into HEAD 2022-11-23 18:59:45 -05:00
.clang-format printk changes for 6.2 2022-12-12 09:01:36 -08:00
.cocciconfig
.get_maintainer.ignore get_maintainer: add Alan to .get_maintainer.ignore 2022-08-20 15:17:44 -07:00
.gitattributes .gitattributes: use 'dts' diff driver for dts files 2019-12-04 19:44:11 -08:00
.gitignore kbuild: Cleanup DT Overlay intermediate files as appropriate 2022-11-18 14:45:30 -06:00
.mailmap Non-MM patches for 6.2-rc1. 2022-12-12 17:28:58 -08:00
.rustfmt.toml rust: add .rustfmt.toml 2022-09-28 09:02:20 +02:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: Remove Michal Marek from Kbuild maintainers 2022-11-16 14:53:00 +09:00
Kbuild Kbuild updates for v6.1 2022-10-10 12:00:45 -07:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS Input updates for 6.2 merge window: 2022-12-13 13:20:36 -08:00
Makefile This was a not-too-busy cycle for documentation; highlights include: 2022-12-12 17:18:50 -08:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

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.