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Filename Latest commit message Latest commit date
Anton Gusev d92a25627b efi: fix potential NULL deref in efi_mem_reserve_persistent 
[ Upstream commit 966d47e1f27c45507c5df82b2a2157e5a4fd3909 ]

When iterating on a linked list, a result of memremap is dereferenced
without checking it for NULL.

This patch adds a check that falls back on allocating a new page in
case memremap doesn't succeed.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Fixes: 18df7577ad ("efi/memreserve: deal with memreserve entries in unmapped memory")
Signed-off-by: Anton Gusev <aagusev@ispras.ru>
[ardb: return -ENOMEM instead of breaking out of the loop]
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-02-22 12:50:25 +01:00
arch arm64: dts: imx8mm: Fix pad control for UART1_DTE_RX 2023-02-22 12:50:23 +01:00
block blk-cgroup: fix missing pd_online_fn() while activating policy 2023-02-06 07:52:48 +01:00
certs
crypto crypto: tcrypt - Fix multibuffer skcipher speed test mem leak 2023-01-18 11:41:19 +01:00
Documentation docs: Fix path paste-o for /sys/kernel/warn_count 2023-02-06 07:52:50 +01:00
drivers efi: fix potential NULL deref in efi_mem_reserve_persistent 2023-02-22 12:50:25 +01:00
fs squashfs: harden sanity check in squashfs_read_xattr_id_table 2023-02-22 12:50:24 +01:00
include panic: Consolidate open-coded panic_on_warn checks 2023-02-06 07:52:50 +01:00
init
ipc
kernel exit: Use READ_ONCE() for all oops/warn limit reads 2023-02-06 07:52:50 +01:00
lib netlink: prevent potential spectre v1 gadgets 2023-02-06 07:52:45 +01:00
LICENSES
mm panic: Consolidate open-coded panic_on_warn checks 2023-02-06 07:52:50 +01:00
net net: openvswitch: fix flow memory leak in ovs_flow_cmd_new 2023-02-22 12:50:25 +01:00
samples samples: vfio-mdev: Fix missing pci_disable_device() in mdpy_fb_probe() 2023-01-18 11:41:26 +01:00
scripts ftrace/scripts: Update the instructions for ftrace-bisect.sh 2023-02-06 07:52:44 +01:00
security tomoyo: fix broken dependency on *.conf.default 2023-02-06 07:52:35 +01:00
sound ALSA: hda/via: Avoid potential array out-of-bound in add_secret_dac_path() 2023-02-22 12:50:23 +01:00
tools selftests: net: udpgso_bench_tx: Cater for pending datagrams zerocopy benchmarking 2023-02-22 12:50:25 +01:00
usr
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS net/phy/mdio-i2c: Move header file to include/linux/mdio 2023-02-06 07:52:46 +01:00
Makefile Linux 5.4.231 2023-02-06 07:52:51 +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.