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>		2024-09-18 19:24:10 +02:00
..
ac97
aoa	ALSA: aoa: Fix typos in PCM fix patch	2023-08-18 09:09:39 +02:00
arm
atmel
core	ALSA: control: Apply sanity check of input values for user elements	2024-09-12 11:11:28 +02:00
drivers	ALSA: pcmtest: stop timer before buffer is released	2024-01-20 11:51:42 +01:00
firewire	Revert "ALSA: firewire-lib: operate for period elapse event in process context"	2024-08-11 12:47:25 +02:00
hda	ALSA: hda: Add input value sanity checks to HDMI channel map controls	2024-09-12 11:11:29 +02:00
i2c
isa	ALSA: cs4231: Fix -Wformat-truncation warning for longname string	2023-09-15 13:23:01 +02:00
mips
oss
parisc
pci	ALSA: hda/realtek: Support mute LED on HP Laptop 14-dq2xxx	2024-09-12 11:11:24 +02:00
pcmcia
ppc
sh	ALSA: sh: aica: reorder cleanup operations to avoid UAF bugs	2024-04-03 15:28:59 +02:00
soc	ASoC: meson: axg-card: fix 'use-after-free'	2024-09-18 19:24:10 +02:00
sparc
spi
synth	ALSA: emux: improve patch ioctl data validation	2024-07-05 09:33:52 +02:00
usb	ALSA: usb-audio: Support Yamaha P-125 quirk entry	2024-08-29 17:33:11 +02:00
virtio
x86
xen	ALSA: xen: Fix -Wformat-truncation warning	2023-09-15 13:21:35 +02:00
ac97_bus.c
Kconfig	This pull request contains the following changes for UML:	2023-09-04 11:32:21 -07:00
last.c
Makefile
sound_core.c