DivestOS/Patches/Linux_CVEs/CVE-2017-8246/3.10/0001.patch
2017-11-07 17:32:46 -05:00

117 lines
4.4 KiB
Diff

From 578eb74435eccdc3df516fd744941a7d872fac6c Mon Sep 17 00:00:00 2001
From: Xiaojun Sang <xsang@codeaurora.org>
Date: Fri, 24 Feb 2017 16:13:20 +0800
Subject: ASoC: msm: qdsp6v2: set pointer to NULL after free.
Pointer after kfree is not sanitized.
Set pointer to NULL.
CRs-Fixed: 2008031
Change-Id: Ia59a57fcd142a6ed18d168992b8da4019314afa4
Signed-off-by: Xiaojun Sang <xsang@codeaurora.org>
Signed-off-by: Bikshapathi Kothapeta <bkotha@codeaurora.org>
---
sound/soc/msm/qdsp6v2/msm-compress-q6-v2.c | 1 +
sound/soc/msm/qdsp6v2/msm-pcm-afe-v2.c | 3 ++-
sound/soc/msm/qdsp6v2/msm-pcm-lpa-v2.c | 3 ++-
sound/soc/msm/qdsp6v2/msm-pcm-q6-noirq.c | 3 ++-
sound/soc/msm/qdsp6v2/msm-pcm-q6-v2.c | 5 ++++-
5 files changed, 11 insertions(+), 4 deletions(-)
diff --git a/sound/soc/msm/qdsp6v2/msm-compress-q6-v2.c b/sound/soc/msm/qdsp6v2/msm-compress-q6-v2.c
index 245d2f5..0cd60c8 100644
--- a/sound/soc/msm/qdsp6v2/msm-compress-q6-v2.c
+++ b/sound/soc/msm/qdsp6v2/msm-compress-q6-v2.c
@@ -1138,6 +1138,7 @@ static int msm_compr_free(struct snd_compr_stream *cstream)
kfree(pdata->dec_params[soc_prtd->dai_link->be_id]);
pdata->dec_params[soc_prtd->dai_link->be_id] = NULL;
kfree(prtd);
+ runtime->private_data = NULL;
return 0;
}
diff --git a/sound/soc/msm/qdsp6v2/msm-pcm-afe-v2.c b/sound/soc/msm/qdsp6v2/msm-pcm-afe-v2.c
index d3d18917..8ab83d2 100644
--- a/sound/soc/msm/qdsp6v2/msm-pcm-afe-v2.c
+++ b/sound/soc/msm/qdsp6v2/msm-pcm-afe-v2.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2012-2015, 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
@@ -499,6 +499,7 @@ done:
mutex_unlock(&prtd->lock);
prtd->prepared--;
kfree(prtd);
+ runtime->private_data = NULL;
return 0;
}
static int msm_afe_prepare(struct snd_pcm_substream *substream)
diff --git a/sound/soc/msm/qdsp6v2/msm-pcm-lpa-v2.c b/sound/soc/msm/qdsp6v2/msm-pcm-lpa-v2.c
index 64d3fe0..507d01a 100644
--- a/sound/soc/msm/qdsp6v2/msm-pcm-lpa-v2.c
+++ b/sound/soc/msm/qdsp6v2/msm-pcm-lpa-v2.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2012-2014, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2012-2014, 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
@@ -497,6 +497,7 @@ static int msm_pcm_playback_close(struct snd_pcm_substream *substream)
pr_debug("%s\n", __func__);
kfree(prtd);
+ runtime->private_data = NULL;
return 0;
}
diff --git a/sound/soc/msm/qdsp6v2/msm-pcm-q6-noirq.c b/sound/soc/msm/qdsp6v2/msm-pcm-q6-noirq.c
index 7c69081..de126e1 100644
--- a/sound/soc/msm/qdsp6v2/msm-pcm-q6-noirq.c
+++ b/sound/soc/msm/qdsp6v2/msm-pcm-q6-noirq.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2016, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2016-2017, 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
@@ -517,6 +517,7 @@ static int msm_pcm_close(struct snd_pcm_substream *substream)
SNDRV_PCM_STREAM_PLAYBACK :
SNDRV_PCM_STREAM_CAPTURE);
kfree(prtd);
+ runtime->private_data = NULL;
return 0;
}
diff --git a/sound/soc/msm/qdsp6v2/msm-pcm-q6-v2.c b/sound/soc/msm/qdsp6v2/msm-pcm-q6-v2.c
index 455607b..b8dbc63 100644
--- a/sound/soc/msm/qdsp6v2/msm-pcm-q6-v2.c
+++ b/sound/soc/msm/qdsp6v2/msm-pcm-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
@@ -721,6 +721,8 @@ static int msm_pcm_playback_close(struct snd_pcm_substream *substream)
msm_pcm_routing_dereg_phy_stream(soc_prtd->dai_link->be_id,
SNDRV_PCM_STREAM_PLAYBACK);
kfree(prtd);
+ runtime->private_data = NULL;
+
return 0;
}
@@ -824,6 +826,7 @@ static int msm_pcm_capture_close(struct snd_pcm_substream *substream)
msm_pcm_routing_dereg_phy_stream(soc_prtd->dai_link->be_id,
SNDRV_PCM_STREAM_CAPTURE);
kfree(prtd);
+ runtime->private_data = NULL;
return 0;
}
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