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Zhao Dongdong 2ee9c46fd2 ALSA: aoa: check snd_ctl_new1() return value

[ Upstream commit 8df560fefe ]

snd_ctl_new1() can return NULL when memory allocation fails. In
layout.c, the function does not check the return value before
dereferencing ctl->id.name or passing to aoa_snd_ctl_add(), which can
lead to a NULL pointer dereference.

Add NULL checks after snd_ctl_new1() calls and return early if any
fails.

Assisted-by: Opencode:DeepSeek-V4-Flash
Cc: stable@vger.kernel.org
Fixes: f3d9478b2c ("[ALSA] snd-aoa: add snd-aoa")
Signed-off-by: Zhao Dongdong <zhaodongdong@kylinos.cn>
Link: https://patch.msgid.link/tencent_35F3A25FEEBF190A2E15ED787754C57E3708@qq.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2026-07-24 16:03:47 +02:00

ac97

ALSA: ac97: fix a double free in snd_ac97_controller_register()

2026-01-17 16:29:59 +01:00

aoa

ALSA: aoa: check snd_ctl_new1() return value

2026-07-24 16:03:47 +02:00

arm

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atmel

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core