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Arseniy Krasnov e43364f578 ASoC: meson: axg-card: fix 'use-after-free' commit `4f9a714359` upstream. Buffer 'card->dai_link' is reallocated in 'meson_card_reallocate_links()', so move 'pad' pointer initialization after this function when memory is already reallocated. Kasan bug report: ================================================================== BUG: KASAN: slab-use-after-free in axg_card_add_link+0x76c/0x9bc Read of size 8 at addr ffff000000e8b260 by task modprobe/356 CPU: 0 PID: 356 Comm: modprobe Tainted: G O 6.9.12-sdkernel #1 Call trace: dump_backtrace+0x94/0xec show_stack+0x18/0x24 dump_stack_lvl+0x78/0x90 print_report+0xfc/0x5c0 kasan_report+0xb8/0xfc __asan_load8+0x9c/0xb8 axg_card_add_link+0x76c/0x9bc [snd_soc_meson_axg_sound_card] meson_card_probe+0x344/0x3b8 [snd_soc_meson_card_utils] platform_probe+0x8c/0xf4 really_probe+0x110/0x39c __driver_probe_device+0xb8/0x18c driver_probe_device+0x108/0x1d8 __driver_attach+0xd0/0x25c bus_for_each_dev+0xe0/0x154 driver_attach+0x34/0x44 bus_add_driver+0x134/0x294 driver_register+0xa8/0x1e8 __platform_driver_register+0x44/0x54 axg_card_pdrv_init+0x20/0x1000 [snd_soc_meson_axg_sound_card] do_one_initcall+0xdc/0x25c do_init_module+0x10c/0x334 load_module+0x24c4/0x26cc init_module_from_file+0xd4/0x128 __arm64_sys_finit_module+0x1f4/0x41c invoke_syscall+0x60/0x188 el0_svc_common.constprop.0+0x78/0x13c do_el0_svc+0x30/0x40 el0_svc+0x38/0x78 el0t_64_sync_handler+0x100/0x12c el0t_64_sync+0x190/0x194 Fixes: `7864a79f37` ("ASoC: meson: add axg sound card support") Cc: Stable@vger.kernel.org Signed-off-by: Arseniy Krasnov <avkrasnov@salutedevices.com> Reviewed-by: Jerome Brunet <jbrunet@baylibre.com> Link: https://patch.msgid.link/20240911142425.598631-1-avkrasnov@salutedevices.com Signed-off-by: Mark Brown <broonie@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		History 2024-09-18 19:24:10 +02:00
arch	arm64: dts: rockchip: fix PMIC interrupt pin in pinctrl for ROCK Pi E	2024-09-18 19:24:07 +02:00
block	block: remove the blk_flush_integrity call in blk_integrity_unregister	2024-09-08 07:54:47 +02:00
certs	certs: Reference revocation list for all keyrings	2023-08-17 20:12:41 +00:00
crypto	crypto: aead,cipher - zeroize key buffer after use	2024-07-11 12:49:04 +02:00
Documentation	hwspinlock: Introduce hwspin_lock_bust()	2024-09-08 07:54:43 +02:00
drivers	pinctrl: meteorlake: Add Arrow Lake-H/U ACPI ID	2024-09-18 19:24:10 +02:00
fs	cifs: Fix signature miscalculation	2024-09-18 19:24:10 +02:00
include	net/mlx5: Correct TASR typo into TSAR	2024-09-18 19:24:08 +02:00
init	rust: fix the default format for CONFIG_{RUSTC,BINDGEN}_VERSION_TEXT	2024-08-29 17:33:29 +02:00
io_uring	io_uring: fix io_match_task must_hold	2024-08-03 08:54:41 +02:00
ipc	sysctl: treewide: drop unused argument ctl_table_root::set_ownership(table)	2024-08-11 12:47:13 +02:00
kernel	tracing/osnoise: Fix build when timerlat is not enabled	2024-09-18 19:24:09 +02:00
lib	lib/generic-radix-tree.c: Fix rare race in __genradix_ptr_alloc()	2024-09-12 11:11:39 +02:00
LICENSES	LICENSES: Add the copyleft-next-0.3.1 license	2022-11-08 15:44:01 +01:00
mm	mm: avoid leaving partial pfn mappings around in error case	2024-09-18 19:24:07 +02:00
net	netfilter: nft_socket: fix sk refcount leaks	2024-09-18 19:24:09 +02:00
rust	rust: kbuild: fix export of bss symbols	2024-09-12 11:11:32 +02:00
samples	bpf: Replace bpf_lpm_trie_key 0-length array with flexible array	2024-08-19 06:04:27 +02:00
scripts	scripts: kconfig: merge_config: config files: add a trailing newline	2024-09-18 19:24:05 +02:00
security	smack: unix sockets: fix accept()ed socket label	2024-09-12 11:11:29 +02:00
sound	ASoC: meson: axg-card: fix 'use-after-free'	2024-09-18 19:24:10 +02:00
tools	selftests: net: csum: Fix checksums for packets with non-zero padding	2024-09-18 19:24:09 +02:00
usr	initramfs: Encode dependency on KBUILD_BUILD_TIMESTAMP	2023-06-06 17:54:49 +09:00
virt	KVM: Fix a data race on last_boosted_vcpu in kvm_vcpu_on_spin()	2024-06-27 13:49:11 +02:00
.clang-format	iommu: Add for_each_group_device()	2023-05-23 08:15:51 +02:00
.cocciconfig	scripts: add Linux .cocciconfig for coccinelle	2016-07-22 12:13:39 +02:00
.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	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	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	USB: Remove Wireless USB and UWB documentation	2023-08-09 14:17:32 +02:00
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	membarrier: riscv: Add full memory barrier in switch_mm()	2024-09-12 11:11:45 +02:00
Makefile	Linux 6.6.51	2024-09-12 11:11:45 +02:00
README	Drop all 00-INDEX files from Documentation/	2018-09-09 15:08:58 -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 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.