Merge "qdsp6v2: q6usm: Check size of payload before access" (e93fe31e) · Commits · e / devices / android_kernel_sony_msm8998

drivers/misc/qcom/qdsp6v2/ultrasound/q6usm.c

+6 −0

Original line number	Diff line number	Diff line
		@@ -507,6 +507,12 @@ static int32_t q6usm_mmapcallback(struct apr_client_data data, void priv)
		uint32_t token;
		uint32_t *payload = data->payload;

		if (data->payload_size < (2 * sizeof(uint32_t))) {
		pr_err("%s: payload has invalid size[%d]\n", __func__,
		data->payload_size);
		return -EINVAL;
		}

		pr_debug("%s: ptr0[0x%x]; ptr1[0x%x]; opcode[0x%x]\n",
		__func__, payload[0], payload[1], data->opcode);
		pr_debug("%s: token[0x%x]; payload_size[%d]; src[%d]; dest[%d];\n",