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34 lines
1.3 KiB
Diff
34 lines
1.3 KiB
Diff
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From bc77232707df371ff6bab9350ae39676535c0e9d Mon Sep 17 00:00:00 2001
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From: Krishnankutty Kolathappilly <kkolatha@codeaurora.org>
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Date: Wed, 16 Nov 2016 18:22:58 -0800
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Subject: msm: cpp: Fix for buffer overflow in cpp.
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Fix for buffer overflow while handling ioctl.
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Instead of checking for length boundary, fix checks
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for exact length.
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CRs-Fixed: 518731
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Change-Id: I9002f84b219e8b06ae0672d87c2d999e728a75aa
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Signed-off-by: Krishnankutty Kolathappilly <kkolatha@codeaurora.org>
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---
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drivers/media/platform/msm/camera_v2/pproc/cpp/msm_cpp.c | 3 +--
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1 file changed, 1 insertion(+), 2 deletions(-)
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diff --git a/drivers/media/platform/msm/camera_v2/pproc/cpp/msm_cpp.c b/drivers/media/platform/msm/camera_v2/pproc/cpp/msm_cpp.c
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index 022dd6b..0792380 100644
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--- a/drivers/media/platform/msm/camera_v2/pproc/cpp/msm_cpp.c
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+++ b/drivers/media/platform/msm/camera_v2/pproc/cpp/msm_cpp.c
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@@ -2070,8 +2070,7 @@ long msm_cpp_subdev_ioctl(struct v4l2_subdev *sd,
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uint32_t identity;
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struct msm_cpp_buff_queue_info_t *buff_queue_info;
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CPP_DBG("VIDIOC_MSM_CPP_DEQUEUE_STREAM_BUFF_INFO\n");
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- if ((ioctl_ptr->len == 0) ||
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- (ioctl_ptr->len > sizeof(uint32_t))) {
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+ if (ioctl_ptr->len != sizeof(uint32_t)) {
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mutex_unlock(&cpp_dev->mutex);
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return -EINVAL;
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}
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--
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cgit v1.1
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