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Philipp Stanner 0f403ebad9 kernel: watch_queue: copy user-array safely 
[ Upstream commit ca0776571d ]

Currently, there is no overflow-check with memdup_user().

Use the new function memdup_array_user() instead of memdup_user() for
duplicating the user-space array safely.

Suggested-by: David Airlie <airlied@redhat.com>
Signed-off-by: Philipp Stanner <pstanner@redhat.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Zack Rusin <zackr@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230920123612.16914-5-pstanner@redhat.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-11-28 17:19:40 +00:00
arch x86/mm: Drop the 4 MB restriction on minimal NUMA node memory size 2023-11-28 17:19:36 +00:00
block blk-core: use pr_warn_ratelimited() in bio_check_ro() 2023-11-20 11:59:36 +01:00
certs certs: Reference revocation list for all keyrings 2023-08-17 20:12:41 +00:00
crypto certs: Break circular dependency when selftest is modular 2023-11-20 11:59:23 +01:00
Documentation smp,csd: Throw an error if a CSD lock is stuck for too long 2023-11-28 17:19:36 +00:00
drivers drm/amd/display: use full update for clip size increase of large plane source 2023-11-28 17:19:40 +00:00
fs btrfs: abort transaction on generation mismatch when marking eb as dirty 2023-11-28 17:19:35 +00:00
include string.h: add array-wrappers for (v)memdup_user() 2023-11-28 17:19:40 +00:00
init x86/retpoline: Make sure there are no unconverted return thunks due to KCSAN 2023-11-28 17:19:36 +00:00
io_uring io_uring/net: ensure socket is marked connected on connect retry 2023-11-20 11:59:38 +01:00
ipc Add x86 shadow stack support 2023-08-31 12:20:12 -07:00
kernel kernel: watch_queue: copy user-array safely 2023-11-28 17:19:40 +00:00
lib lib/generic-radix-tree.c: Don't overflow in peek() 2023-11-28 17:19:35 +00:00
LICENSES
mm vfs: fix readahead(2) on block devices 2023-11-20 11:58:52 +01:00
net Bluetooth: Fix double free in hci_conn_cleanup 2023-11-28 17:19:38 +00:00
rust rust: docs: fix logo replacement 2023-10-19 16:40:00 +02:00
samples VFIO updates for v6.6-rc1 2023-08-30 20:36:01 -07:00
scripts x86/retpoline: Make sure there are no unconverted return thunks due to KCSAN 2023-11-28 17:19:36 +00:00
security apparmor: fix invalid reference on profile->disconnected 2023-11-20 11:59:24 +01:00
sound ALSA: hda/realtek: Add support dual speaker for Dell 2023-11-20 11:59:38 +01:00
tools selftests/lkdtm: Disable CONFIG_UBSAN_TRAP in test config 2023-11-28 17:19:36 +00:00
usr initramfs: Encode dependency on KBUILD_BUILD_TIMESTAMP 2023-06-06 17:54:49 +09:00
virt ARM: 2023-09-07 13:52:20 -07:00
.clang-format iommu: Add for_each_group_device() 2023-05-23 08:15:51 +02:00
.cocciconfig
.get_maintainer.ignore
.gitattributes .gitattributes: set diff driver for Rust source code files 2023-05-31 17:48:25 +02:00
.gitignore kbuild: rpm-pkg: rename binkernel.spec to kernel.spec 2023-07-25 00:59:33 +09:00
.mailmap 20 hotfixes. 12 are cc:stable and the remainder address post-6.5 issues 2023-10-24 09:52:16 -10:00
.rustfmt.toml
COPYING
CREDITS USB: Remove Wireless USB and UWB documentation 2023-08-09 14:17:32 +02:00
Kbuild
Kconfig
MAINTAINERS Char/Misc driver fixes for 6.6-final 2023-10-28 07:51:27 -10:00
Makefile Linux 6.6.2 2023-11-20 11:59:39 +01:00
README

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.