Call SetImageBackgroundColor before we call MergeImageLayers (https://oss-fuzz.com/v2/testcase-detail/5123755102699520)
Call SetImageBackgroundColor before we call MergeImageLayers (https://oss-fuzz.com/v2/testcase-detail/5123755102699520)

Danack/ImageMagick,Danack/ImageMagick,Danack/ImageMagick,Danack/ImageMagick,Danack/ImageMagick,Danack/ImageMagick