diff options
| -rw-r--r-- | drivers/media/video/v4l2-compat-ioctl32.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/media/video/v4l2-compat-ioctl32.c b/drivers/media/video/v4l2-compat-ioctl32.c index dc7b8c23eac0..f77f84bfe714 100644 --- a/drivers/media/video/v4l2-compat-ioctl32.c +++ b/drivers/media/video/v4l2-compat-ioctl32.c @@ -475,6 +475,9 @@ static int get_v4l2_buffer32(struct v4l2_buffer *kp, struct v4l2_buffer32 __user return -EFAULT; switch (kp->memory) { case V4L2_MEMORY_MMAP: + if (get_user(kp->length, &up->length) || + get_user(kp->m.offset, &up->m.offset)) + return -EFAULT; break; case V4L2_MEMORY_USERPTR: { |