Memory leak in ReadBGRImage

[jgj212]

Prerequisites

• I have written a descriptive issue title
• I have verified that I am using the latest version of ImageMagick
• I have searched open and closed issues to ensure it has not already been reported

Description

Memory leak in ReadBGRImage

Steps to Reproduce

  canvas_image=CloneImage(image,image->extract_info.width,1,MagickFalse,				//line 160, allocation for canvas_image
    exception);
  if (canvas_image == (Image *) NULL)
    ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
  (void) SetImageVirtualPixelMethod(canvas_image,BlackVirtualPixelMethod,
    exception);
  quantum_info=AcquireQuantumInfo(image_info,canvas_image);								
  if (quantum_info == (QuantumInfo *) NULL)
    ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");					//line 168, memory leak as not free canvas_image

System Configuration

• ImageMagick version: 7.0.7-28
• Environment (Operating system, version and so on): Ubuntu14.04 x86_64
• Additional information:

Credit: ADLab of Venustech

[dlemstra]

Fixed in #1041.