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Philipp Stanner b0ed017a2b kernel: kexec: copy user-array safely 
[ Upstream commit 569c8d82f9 ]

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>
Acked-by: Baoquan He <bhe@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/20230920123612.16914-4-pstanner@redhat.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-11-28 17:14:45 +00:00
arch x86/mm: Drop the 4 MB restriction on minimal NUMA node memory size 2023-11-28 17:14:41 +00:00
block blk-core: use pr_warn_ratelimited() in bio_check_ro() 2023-11-20 11:57:23 +01:00
certs KEYS: Add missing function documentation 2023-04-24 16:15:52 +03:00
crypto certs: Break circular dependency when selftest is modular 2023-11-20 11:57:11 +01:00
Documentation smp,csd: Throw an error if a CSD lock is stuck for too long 2023-11-28 17:14:41 +00:00
drivers drm/amd/display: use full update for clip size increase of large plane source 2023-11-28 17:14:44 +00:00
fs btrfs: abort transaction on generation mismatch when marking eb as dirty 2023-11-28 17:14:40 +00:00
include string.h: add array-wrappers for (v)memdup_user() 2023-11-28 17:14:44 +00:00
init x86/retpoline: Make sure there are no unconverted return thunks due to KCSAN 2023-11-28 17:14:40 +00:00
io_uring io_uring/net: ensure socket is marked connected on connect retry 2023-11-20 11:57:25 +01:00
ipc Merge branch 'work.namespace' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2023-02-24 19:20:07 -08:00
kernel kernel: kexec: copy user-array safely 2023-11-28 17:14:45 +00:00
lib lib/generic-radix-tree.c: Don't overflow in peek() 2023-11-28 17:14:40 +00:00
LICENSES LICENSES: Add the copyleft-next-0.3.1 license 2022-11-08 15:44:01 +01:00
mm vfs: fix readahead(2) on block devices 2023-11-20 11:56:43 +01:00
net Bluetooth: Fix double free in hci_conn_cleanup 2023-11-28 17:14:43 +00:00
rust rust: types: make Opaque be !Unpin 2023-11-08 14:09:04 +01:00
samples samples/hw_breakpoint: fix building without module unloading 2023-09-23 11:14:33 +02:00
scripts x86/retpoline: Make sure there are no unconverted return thunks due to KCSAN 2023-11-28 17:14:40 +00:00
security apparmor: fix invalid reference on profile->disconnected 2023-11-20 11:57:12 +01:00
sound ALSA: hda/realtek: Add support dual speaker for Dell 2023-11-20 11:57:25 +01:00
tools selftests/lkdtm: Disable CONFIG_UBSAN_TRAP in test config 2023-11-28 17:14:40 +00:00
usr initramfs: Encode dependency on KBUILD_BUILD_TIMESTAMP 2023-06-06 17:54:49 +09:00
virt kvm/vfio: ensure kvg instance stays around in kvm_vfio_group_add() 2023-09-13 09:53:29 +02:00
.clang-format iommu: Add for_each_group_device() 2023-05-23 08:15:51 +02:00
.cocciconfig
.get_maintainer.ignore get_maintainer: add Alan to .get_maintainer.ignore 2022-08-20 15:17:44 -07:00
.gitattributes .gitattributes: set diff driver for Rust source code files 2023-05-31 17:48:25 +02:00
.gitignore Revert ".gitignore: ignore *.cover and *.mbx" 2023-07-04 15:05:12 -07:00
.mailmap mailmap: add entries for Simon Horman 2023-08-16 09:53:10 +01:00
.rustfmt.toml rust: add .rustfmt.toml 2022-09-28 09:02:20 +02:00
COPYING
CREDITS - Address -Wmissing-prototype warnings 2023-06-26 16:43:54 -07:00
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 sound fixes for 6.5 2023-08-25 08:48:14 -07:00
Makefile Linux 6.5.12 2023-11-20 11:57:26 +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.