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34 lines
1.2 KiB
Diff
34 lines
1.2 KiB
Diff
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From af787fdedeb62964efaf9e969ad17e3b6c232082 Mon Sep 17 00:00:00 2001
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From: Gaoxiang Chen <gaochen@codeaurora.org>
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Date: Wed, 17 May 2017 15:14:36 +0800
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Subject: msm: camera: fix off-by-one overflow in msm_isp_get_bufq
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In msm_isp_get_bufq, if bufq_index equals buf_mgr->num_buf_q,
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it will pass the check, leading to off-by-one overflow
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(exceed the length of array by one element).
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CRs-Fixed: 2031677
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Bug: 36136563
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Change-Id: I7ea465897e2c37de6ca0155c3e225f1444b3cf13
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Signed-off-by: Gaoxiang Chen <gaochen@codeaurora.org>
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---
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drivers/media/platform/msm/camera_v2/isp/msm_buf_mgr.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/drivers/media/platform/msm/camera_v2/isp/msm_buf_mgr.c b/drivers/media/platform/msm/camera_v2/isp/msm_buf_mgr.c
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index ee65528..433d59c 100644
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--- a/drivers/media/platform/msm/camera_v2/isp/msm_buf_mgr.c
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+++ b/drivers/media/platform/msm/camera_v2/isp/msm_buf_mgr.c
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@@ -46,7 +46,7 @@ struct msm_isp_bufq *msm_isp_get_bufq(
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/* bufq_handle cannot be 0 */
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if ((bufq_handle == 0) ||
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- (bufq_index > buf_mgr->num_buf_q))
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+ (bufq_index >= buf_mgr->num_buf_q))
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return NULL;
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bufq = &buf_mgr->bufq[bufq_index];
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--
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cgit v1.1
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