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Commit 1babb91a authored by Gopireddy Arunteja Reddy's avatar Gopireddy Arunteja Reddy Committed by Marco Zhang
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msm: eva: User after free fix in msm_cvp_mark_user_persist 



Update buffer ktid inside mutex protetion.

Change-Id: I86767eb60e1f78e373233c0f64c3b5a2249cba0e
Signed-off-by: default avatarGopireddy Arunteja Reddy <quic_garuntej@quicinc.com>
parent 920dbdcf

drivers/media/platform/msm/cvp/msm_cvp_buf.c

+4 −3
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0-only

/*

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

 * Copyright (c) 2024 Qualcomm Innovation Center, Inc. All rights reserved.

 */



#include "msm_cvp_common.h"
@@ -643,9 +644,10 @@ int msm_cvp_mark_user_persist(struct msm_cvp_inst *inst, 
		list_for_each_entry_safe(pbuf, dummy, &inst->persistbufs.list,

				list) {

			if (pbuf->ownership == CLIENT) {

				if (pbuf->fd == buf->fd &&

					pbuf->size == buf->size)

				if (pbuf->fd == buf->fd && pbuf->size == buf->size) {

					buf->fd = pbuf->smem->device_addr;

					pbuf->ktid = ktid;

				}

				rc = 1;

				break;

			}
@@ -657,7 +659,6 @@ int msm_cvp_mark_user_persist(struct msm_cvp_inst *inst, 
			rc = -EFAULT;

			break;

		}

		pbuf->ktid = ktid;

		rc = 0;

	}

	return rc;