From nobody Mon Feb 9 13:39:10 2026 Received: from mail.ispras.ru (mail.ispras.ru [83.149.199.84]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 612CB16F8E7; Fri, 5 Apr 2024 17:12:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=83.149.199.84 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712337125; cv=none; b=ZHhqr1cXgPR0DqTcXMXpa5p/+CJAzfAZmaVg2eVYocExSBY5P4fnSFE6wB90+u/8e3Mxx6fqpRiYwb8jvwXZNnzkUs450MBa7ZrJeeOC9+n+51/fzhs98GKqFUCUsJXL50qzSwn9+jxX1S6Kew+YFGL8Av5BkuebMwy/NZxmtLw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712337125; c=relaxed/simple; bh=jp/ItmKjNW3lwD3HqdoO06DYpz1adMSLKDyVPElM/+g=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=fW2nq8efJPwoo6g4OzPKX1kqlvEH8v5KQK8j1jgJuTBF2anRIj3IS5Pv04QdNlE43DjROhvHKkih6YxFfjBMTKdENu5XN8fgwWpGbuZCcBbgB+TaOuM3cBGQp1mmUClFfvDfAazMdwCgXj/muZcYbK4erzcY0H70ZRE74pFgkUs= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ispras.ru; spf=pass smtp.mailfrom=ispras.ru; dkim=pass (1024-bit key) header.d=ispras.ru header.i=@ispras.ru header.b=eVDQ7fDg; arc=none smtp.client-ip=83.149.199.84 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ispras.ru Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ispras.ru Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ispras.ru header.i=@ispras.ru header.b="eVDQ7fDg" Received: from tundra.lovozera (unknown [178.176.73.54]) by mail.ispras.ru (Postfix) with ESMTPSA id 33E7440737DC; Fri, 5 Apr 2024 17:11:57 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 mail.ispras.ru 33E7440737DC DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ispras.ru; s=default; t=1712337118; bh=zxli1M6t4+mmVUuqsEAwsb92XAAipwuHZ0h0RJ1Q04E=; h=From:To:Cc:Subject:Date:From; b=eVDQ7fDg7MTjYAXLcnt/MpMf1pjj9763Prk9QR8SbfcHQDleljuaSVRU5eRdI3Ldu AHjNVIpvKJBaE2WOH9fFa900b5O5CoF32/I3cC7gHHTpsiUqS3zdGC95FFvSDvg48M MdE2Sds5BvS+ruCEmn7RDKwFLXyUbUYCKXi3FGrc= From: Mikhail Kobuk To: Srinivas Kandagatla Cc: Mikhail Kobuk , Banajit Goswami , Liam Girdwood , Mark Brown , Jaroslav Kysela , Takashi Iwai , Srinivasa Rao Mandadapu , Venkata Prasad Potturu , alsa-devel@alsa-project.org, linux-sound@vger.kernel.org, linux-kernel@vger.kernel.org, lvc-project@linuxtesting.org, Fedor Pchelkin , Alexey Khoroshilov , stable@vger.kernel.org Subject: [PATCH] ASoC: qcom: Fix out of bounds access Date: Fri, 5 Apr 2024 20:11:47 +0300 Message-ID: <20240405171148.12665-1-m.kobuk@ispras.ru> X-Mailer: git-send-email 2.44.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Case values introduced in commit 5f78e1fb7a3e ("ASoC: qcom: Add driver support for audioreach solution") cause out of bounds access in arrays of sc7280 driver data (e.g. in case of RX_CODEC_DMA_RX_0 in sc7280_snd_hw_params()). Redefine LPASS_MAX_PORTS to consider the maximum possible port id for q6dsp as sc7280 driver utilizes some of those values. Found by Linux Verification Center (linuxtesting.org) with SVACE. Fixes: 77d0ffef793d ("ASoC: qcom: Add macro for lpass DAI id's max limit") Cc: Signed-off-by: Mikhail Kobuk --- sound/soc/qcom/lpass.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/sound/soc/qcom/lpass.h b/sound/soc/qcom/lpass.h index 27a2bf9a6613..10a507c95312 100644 --- a/sound/soc/qcom/lpass.h +++ b/sound/soc/qcom/lpass.h @@ -13,10 +13,11 @@ #include #include #include +#include #include "lpass-hdmi.h" =20 #define LPASS_AHBIX_CLOCK_FREQUENCY 131072000 -#define LPASS_MAX_PORTS (LPASS_CDC_DMA_VA_TX8 + 1) +#define LPASS_MAX_PORTS (QUINARY_MI2S_TX + 1) #define LPASS_MAX_MI2S_PORTS (8) #define LPASS_MAX_DMA_CHANNELS (8) #define LPASS_MAX_HDMI_DMA_CHANNELS (4) --=20 2.44.0