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Marc Zyngier 3b2c81d5fe KVM: arm64: vgic-its: Add stronger type-checking to the ITS entry sizes 
The ITS ABI infrastructure allows for some pretty lax code, where
the size of the data doesn't have to match the size of the entry,
potentially leading to a collection of interesting bugs.

Commit 7fe28d7e68 ("KVM: arm64: vgic-its: Add a data length check
in vgic_its_save_*") added some checks, but starts by implicitly
casting all writes to a 64bit value, hiding some of the issues.

Instead, introduce macros that will check the data type actually used
for dealing with the table entries. The macros are taking a symbolic
entry type that is used to fetch the size of the entry type for the
current ABI. This immediately catches a couple of low-impact gotchas
(zero values that are implicitly 32bit), easy enough to fix.

Given that we currently only have a single ABI, hardcode a couple of
BUILD_BUG_ON()s that will fire if we use anything but a 64bit quantity,
and some (currently unreachable) fallback code that may become useful
one day.

Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20241117165757.247686-5-maz@kernel.org
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
History 2024-11-20 17:21:08 -08:00
arch
block block-6.12-20241026 2024-10-27 08:29:36 -10:00
certs sign-file,extract-cert: use pkcs11 provider for OPENSSL MAJOR >= 3 2024-09-20 19:52:48 +03:00
crypto This push fixes the following issues: 2024-10-16 08:42:54 -07:00
Documentation Merge branch kvm-arm64/mpam-ni into kvmarm/next 2024-11-11 18:38:30 +00:00
drivers Merge branch kvm-arm64/psci-1.3 into kvmarm/next 2024-11-11 18:36:46 +00:00
fs XFS bug fixes for 6.12-rc5 2024-10-27 08:23:49 -10:00
include KVM: arm64: vgic: Kill VGIC_MAX_PRIVATE definition 2024-11-20 17:21:08 -08:00
init cfi: fix conditions for HAVE_CFI_ICALL_NORMALIZE_INTEGERS 2024-10-13 22:23:13 +02:00
io_uring io_uring/rw: fix wrong NOWAIT check in io_rw_init_file() 2024-10-19 09:25:45 -06:00
ipc struct fd layout change (and conversion to accessor helpers) 2024-09-23 09:35:36 -07:00
kernel Merge branch kvm-arm64/psci-1.3 into kvmarm/next 2024-11-11 18:36:46 +00:00
lib Probes fixes for v6.12-rc4(2): 2024-10-24 13:51:58 -07:00
LICENSES LICENSES: add 0BSD license text 2024-09-01 20:43:24 -07:00
mm LoongArch: Set initial pte entry with PAGE_GLOBAL for kernel space 2024-10-21 22:11:19 +08:00
net BPF fixes: 2024-10-24 16:53:20 -07:00
rust Driver core fix for 6.12-rc3 2024-10-13 09:10:52 -07:00
samples [tree-wide] finally take no_llseek out 2024-09-27 08:18:43 -07:00
scripts kbuild: rust: add CONFIG_RUSTC_LLVM_VERSION 2024-10-13 22:22:28 +02:00
security ipe: fallback to platform keyring also if key in trusted keyring is rejected 2024-10-18 12:14:53 -07:00
sound ASoC: Fixes for v6.12 2024-10-24 07:57:39 +02:00
tools Merge branch kvm-arm64/mmio-sea into kvmarm/next 2024-11-11 18:48:12 +00:00
usr initramfs: shorten cmd_initfs in usr/Makefile 2024-07-16 01:07:52 +09:00
virt ARM64: 2024-10-21 11:22:04 -07:00
.clang-format clang-format: Update with v6.11-rc1's for_each macro list 2024-08-02 13:20:31 +02:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.editorconfig .editorconfig: remove trim_trailing_whitespace option 2024-06-13 16:47:52 +02:00
.get_maintainer.ignore Add Jeff Kirsher to .get_maintainer.ignore 2024-03-08 11:36:54 +00:00
.gitattributes .gitattributes: set diff driver for Rust source code files 2023-05-31 17:48:25 +02:00
.gitignore Kbuild updates for v6.12 2024-09-24 13:02:06 -07:00
.mailmap Including fixes from netfiler, xfrm and bluetooth. 2024-10-24 16:43:50 -07:00
.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 CREDITS: sort alphabetically by name 2024-10-09 12:47:19 -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 gpio fixes for v6.12-rc5 2024-10-25 10:47:51 -07:00
Makefile Linux 6.12-rc5 2024-10-27 12:52:02 -10:00
README README: Fix spelling 2024-03-18 03:36:32 -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 reStructuredText 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.