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https://github.com/Divested-Mobile/DivestOS-Build.git
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35 lines
1.3 KiB
Diff
35 lines
1.3 KiB
Diff
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From c9c81836ee44db9974007d34cf2aaeb1a51a8d45 Mon Sep 17 00:00:00 2001
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From: Hariram Purushothaman <hpurus@codeaurora.org>
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Date: Fri, 9 Aug 2013 11:21:50 -0700
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Subject: msm: camera: Bound check length for Dequeue stream buff info
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Bound check the length param from user space given to
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copy_from_user function to avoid any invalid memory access.
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Change-Id: I926509a5fffd49cfc0130d182f246fbb9335b60e
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CRs-Fixed: 519124
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Signed-off-by: Hariram Purushothaman <hpurus@codeaurora.org>
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---
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drivers/media/platform/msm/camera_v2/pproc/vpe/msm_vpe.c | 5 +++++
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1 file changed, 5 insertions(+)
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diff --git a/drivers/media/platform/msm/camera_v2/pproc/vpe/msm_vpe.c b/drivers/media/platform/msm/camera_v2/pproc/vpe/msm_vpe.c
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index d302131..3aaff78 100644
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--- a/drivers/media/platform/msm/camera_v2/pproc/vpe/msm_vpe.c
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+++ b/drivers/media/platform/msm/camera_v2/pproc/vpe/msm_vpe.c
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@@ -1323,6 +1323,11 @@ static long msm_vpe_subdev_ioctl(struct v4l2_subdev *sd,
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struct msm_vpe_buff_queue_info_t *buff_queue_info;
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VPE_DBG("VIDIOC_MSM_VPE_DEQUEUE_STREAM_BUFF_INFO\n");
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+ if (ioctl_ptr->len != sizeof(uint32_t)) {
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+ pr_err("%s:%d Invalid len\n", __func__, __LINE__);
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+ mutex_unlock(&vpe_dev->mutex);
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+ return -EINVAL;
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+ }
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rc = (copy_from_user(&identity,
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(void __user *)ioctl_ptr->ioctl_ptr,
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--
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cgit v1.1
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