linux-kernel - [PATCH 5.10 24/54] ASoC: Intel: Skylake: Zero snd_ctl_elem

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20210211150153.934880419@linuxfoundation.org>
Date:   Thu, 11 Feb 2021 16:02:08 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Ricardo Ribalda <ribalda@...omium.org>,
        Cezary Rojewski <cezary.rojewski@...el.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Mark Brown <broonie@...nel.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.10 24/54] ASoC: Intel: Skylake: Zero snd_ctl_elem_value

From: Ricardo Ribalda <ribalda@...omium.org>

[ Upstream commit 1d8fe0648e118fd495a2cb393a34eb8d428e7808 ]

Clear struct snd_ctl_elem_value before calling ->put() to avoid any data
leak.

Signed-off-by: Ricardo Ribalda <ribalda@...omium.org>
Reviewed-by: Cezary Rojewski <cezary.rojewski@...el.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Link: https://lore.kernel.org/r/20210121171644.131059-2-ribalda@chromium.org
Signed-off-by: Mark Brown <broonie@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 sound/soc/intel/skylake/skl-topology.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/intel/skylake/skl-topology.c b/sound/soc/intel/skylake/skl-topology.c
index d699e61eca3d0..0955cbb4e9187 100644
--- a/sound/soc/intel/skylake/skl-topology.c
+++ b/sound/soc/intel/skylake/skl-topology.c
@@ -3632,7 +3632,7 @@ static void skl_tplg_complete(struct snd_soc_component *component)
 		sprintf(chan_text, "c%d", mach->mach_params.dmic_num);
 
 		for (i = 0; i < se->items; i++) {
-			struct snd_ctl_elem_value val;
+			struct snd_ctl_elem_value val = {};
 
 			if (strstr(texts[i], chan_text)) {
 				val.value.enumerated.item[0] = i;
-- 
2.27.0