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Commit 502351e2 authored by Soumya Managoli's avatar Soumya Managoli Committed by Manish Chaturvedi
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ASoC: msm-lsm-client: Integer overflow check 



Added integer overflow check for lsm_params_get_info size.

Change-Id: I1130b5294f5de65eb8c595030c4db221337b1c8a
Signed-off-by: default avatarSoumya Managoli <quic_c_smanag@quicinc.com>
(cherry picked from commit 5473dea6)
parent 7e5dbf0a

asoc/msm-lsm-client.c

+10 −0
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0-only

/*

 * Copyright (c) 2013-2020, The Linux Foundation. All rights reserved.

 * Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.

 */

#include <linux/init.h>

#include <linux/err.h>
@@ -2430,6 +2431,15 @@ 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);