ASoC: msm-lsm-client: Integer overflow check



Add integer overflow check for lsm_params_get_info size.

Change-Id: I1130b5294f5de65eb8c595030c4db221337b1c8a
Signed-off-by: Soumya Managoli <quic_c_smanag@quicinc.com>

parent ba56a640

asoc/msm-lsm-client.c

+9 −0

Original line number	Diff line number	Diff line
		@@ -2653,6 +2653,15 @@ static int msm_lsm_ioctl(struct snd_pcm_substream *substream,
		err = -EFAULT;
		goto done;
		}

		if (temp_p_info.param_size > 0 &&
		((INT_MAX - sizeof(temp_p_info)) <
		temp_p_info.param_size)) {
		pr_err("%s: Integer overflow\n", __func__);
		err = -EINVAL;
		goto done;
		}

		size = sizeof(temp_p_info) + temp_p_info.param_size;
		p_info = kzalloc(size, GFP_KERNEL);