http://bugs.winehq.org/show_bug.cgi?id=24301
--- Comment #1 from Vincent Povirk madewokherd@gmail.com 2010-09-07 14:21:37 CDT --- When you say ICONDIRENTRY can contain total rubbish, does this include the PNG case? I.e. should we be checking for the PNG magic number in the image data, rather than a special depth in an ICONDIRENTRY?