From: V sujith kumar Reddy <Vsujithkumar.Reddy@amd.com>
To: <broonie@kernel.org>, <alsa-devel@alsa-project.org>
Cc: <Vijendar.Mukunda@amd.com>, <Basavaraj.Hiregoudar@amd.com>,
<Sunil-kumar.Dommati@amd.com>, <venkataprasad.potturu@amd.com>,
<ssabakar@amd.com>,
V sujith kumar Reddy <Vsujithkumar.Reddy@amd.com>,
Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>,
Liam Girdwood <lgirdwood@gmail.com>,
Peter Ujfalusi <peter.ujfalusi@linux.intel.com>,
"Bard Liao" <yung-chuan.liao@linux.intel.com>,
Ranjani Sridharan <ranjani.sridharan@linux.intel.com>,
Kai Vehmanen <kai.vehmanen@linux.intel.com>,
Daniel Baluta <daniel.baluta@nxp.com>,
Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.com>,
Paul Olaru <paul.olaru@nxp.com>,
Ajit Kumar Pandey <AjitKumar.Pandey@amd.com>,
"moderated list:SOUND - SOUND OPEN FIRMWARE (SOF) DRIVERS"
<sound-open-firmware@alsa-project.org>,
open list <linux-kernel@vger.kernel.org>
Subject: [PATCH] ASoC: SOF: amd: Fix NULL pointer crash in acp_sof_ipc_msg_data function
Date: Mon, 8 May 2023 12:35:08 +0530 [thread overview]
Message-ID: <20230508070510.6100-1-Vsujithkumar.Reddy@amd.com> (raw)
Check substream and runtime variables before assigning.
Signed-off-by: V sujith kumar Reddy <Vsujithkumar.Reddy@amd.com>
---
sound/soc/sof/amd/acp-ipc.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/sound/soc/sof/amd/acp-ipc.c b/sound/soc/sof/amd/acp-ipc.c
index 4e0c48a36159..749e856dc601 100644
--- a/sound/soc/sof/amd/acp-ipc.c
+++ b/sound/soc/sof/amd/acp-ipc.c
@@ -209,7 +209,12 @@ int acp_sof_ipc_msg_data(struct snd_sof_dev *sdev, struct snd_sof_pcm_stream *sp
acp_mailbox_read(sdev, offset, p, sz);
} else {
struct snd_pcm_substream *substream = sps->substream;
- struct acp_dsp_stream *stream = substream->runtime->private_data;
+ struct acp_dsp_stream *stream;
+
+ if (!substream || !substream->runtime)
+ return -ESTRPIPE;
+
+ stream = substream->runtime->private_data;
if (!stream)
return -ESTRPIPE;
--
2.25.1
next reply other threads:[~2023-05-08 7:07 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-08 7:05 V sujith kumar Reddy [this message]
2023-05-09 9:32 ` Mark Brown
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