diff --git a/drivers/firmware/cirrus/cs_dsp.c b/drivers/firmware/cirrus/cs_dsp.c
index 79d4254d1f9bc..f0c3c4011411d 100644
--- a/drivers/firmware/cirrus/cs_dsp.c
+++ b/drivers/firmware/cirrus/cs_dsp.c
@@ -1267,6 +1267,10 @@ static unsigned int cs_dsp_adsp1_parse_sizes(struct cs_dsp *dsp,
 	const struct wmfw_adsp1_sizes *adsp1_sizes;
 
 	adsp1_sizes = (void *)&firmware->data[pos];
+	if (sizeof(*adsp1_sizes) > firmware->size - pos) {
+		cs_dsp_err(dsp, "%s: file truncated\n", file);
+		return 0;
+	}
 
 	cs_dsp_dbg(dsp, "%s: %d DM, %d PM, %d ZM\n", file,
 		   le32_to_cpu(adsp1_sizes->dm), le32_to_cpu(adsp1_sizes->pm),
@@ -1283,6 +1287,10 @@ static unsigned int cs_dsp_adsp2_parse_sizes(struct cs_dsp *dsp,
 	const struct wmfw_adsp2_sizes *adsp2_sizes;
 
 	adsp2_sizes = (void *)&firmware->data[pos];
+	if (sizeof(*adsp2_sizes) > firmware->size - pos) {
+		cs_dsp_err(dsp, "%s: file truncated\n", file);
+		return 0;
+	}
 
 	cs_dsp_dbg(dsp, "%s: %d XM, %d YM %d PM, %d ZM\n", file,
 		   le32_to_cpu(adsp2_sizes->xm), le32_to_cpu(adsp2_sizes->ym),
@@ -1322,7 +1330,6 @@ static int cs_dsp_load(struct cs_dsp *dsp, const struct firmware *firmware,
 	struct regmap *regmap = dsp->regmap;
 	unsigned int pos = 0;
 	const struct wmfw_header *header;
-	const struct wmfw_adsp1_sizes *adsp1_sizes;
 	const struct wmfw_footer *footer;
 	const struct wmfw_region *region;
 	const struct cs_dsp_region *mem;
@@ -1338,10 +1345,8 @@ static int cs_dsp_load(struct cs_dsp *dsp, const struct firmware *firmware,
 
 	ret = -EINVAL;
 
-	pos = sizeof(*header) + sizeof(*adsp1_sizes) + sizeof(*footer);
-	if (pos >= firmware->size) {
-		cs_dsp_err(dsp, "%s: file too short, %zu bytes\n",
-			   file, firmware->size);
+	if (sizeof(*header) >= firmware->size) {
+		ret = -EOVERFLOW;
 		goto out_fw;
 	}
 
@@ -1369,13 +1374,16 @@ static int cs_dsp_load(struct cs_dsp *dsp, const struct firmware *firmware,
 
 	pos = sizeof(*header);
 	pos = dsp->ops->parse_sizes(dsp, file, pos, firmware);
+	if ((pos == 0) || (sizeof(*footer) > firmware->size - pos)) {
+		ret = -EOVERFLOW;
+		goto out_fw;
+	}
 
 	footer = (void *)&firmware->data[pos];
 	pos += sizeof(*footer);
 
 	if (le32_to_cpu(header->len) != pos) {
-		cs_dsp_err(dsp, "%s: unexpected header length %d\n",
-			   file, le32_to_cpu(header->len));
+		ret = -EOVERFLOW;
 		goto out_fw;
 	}
 
@@ -1501,6 +1509,9 @@ static int cs_dsp_load(struct cs_dsp *dsp, const struct firmware *firmware,
 	cs_dsp_buf_free(&buf_list);
 	kfree(text);
 
+	if (ret == -EOVERFLOW)
+		cs_dsp_err(dsp, "%s: file content overflows file data\n", file);
+
 	return ret;
 }