mirror of
https://github.com/Divested-Mobile/DivestOS-Build.git
synced 2024-12-24 06:59:27 -05:00
53 lines
1.9 KiB
Diff
53 lines
1.9 KiB
Diff
From b66f442dd97c781e873e8f7b248e197f86fd2980 Mon Sep 17 00:00:00 2001
|
|
From: Xiaoyu Ye <benyxy@codeaurora.org>
|
|
Date: Mon, 19 Dec 2016 18:38:53 -0800
|
|
Subject: ASoC: msm: qdsp6v2: Add range checking in msm_dai_q6_set_channel_map
|
|
|
|
Range checking is added to prevent buffer overflow that due to inputs
|
|
can be set by user space.
|
|
|
|
CRs-Fixed: 1098363
|
|
Change-Id: I057261291806240ee6d7b8106a5e83a7665e013d
|
|
Signed-off-by: Xiaoyu Ye <benyxy@codeaurora.org>
|
|
---
|
|
sound/soc/msm/qdsp6v2/msm-dai-q6-v2.c | 12 +++++++++++-
|
|
1 file changed, 11 insertions(+), 1 deletion(-)
|
|
|
|
diff --git a/sound/soc/msm/qdsp6v2/msm-dai-q6-v2.c b/sound/soc/msm/qdsp6v2/msm-dai-q6-v2.c
|
|
index 26cdd0f..fa21ec5 100644
|
|
--- a/sound/soc/msm/qdsp6v2/msm-dai-q6-v2.c
|
|
+++ b/sound/soc/msm/qdsp6v2/msm-dai-q6-v2.c
|
|
@@ -1,4 +1,4 @@
|
|
-/* Copyright (c) 2012-2016, The Linux Foundation. All rights reserved.
|
|
+/* Copyright (c) 2012-2017, The Linux Foundation. All rights reserved.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 and
|
|
@@ -1889,6 +1889,11 @@ static int msm_dai_q6_set_channel_map(struct snd_soc_dai *dai,
|
|
pr_err("%s: rx slot not found\n", __func__);
|
|
return -EINVAL;
|
|
}
|
|
+ if (rx_num > AFE_PORT_MAX_AUDIO_CHAN_CNT) {
|
|
+ pr_err("%s: invalid rx num %d\n", __func__, rx_num);
|
|
+ return -EINVAL;
|
|
+ }
|
|
+
|
|
for (i = 0; i < rx_num; i++) {
|
|
dai_data->port_config.slim_sch.shared_ch_mapping[i] =
|
|
rx_slot[i];
|
|
@@ -1922,6 +1927,11 @@ static int msm_dai_q6_set_channel_map(struct snd_soc_dai *dai,
|
|
pr_err("%s: tx slot not found\n", __func__);
|
|
return -EINVAL;
|
|
}
|
|
+ if (tx_num > AFE_PORT_MAX_AUDIO_CHAN_CNT) {
|
|
+ pr_err("%s: invalid tx num %d\n", __func__, tx_num);
|
|
+ return -EINVAL;
|
|
+ }
|
|
+
|
|
for (i = 0; i < tx_num; i++) {
|
|
dai_data->port_config.slim_sch.shared_ch_mapping[i] =
|
|
tx_slot[i];
|
|
--
|
|
cgit v1.1
|
|
|