Hi,
I have run the JPEG Google Imagetestsuite with JHOVE, Bad Peggy, ImageMagick and ExifTool and have listed all the findings in this spreadsheet:
https://docs.google.com/spreadsheets/d/1v0JbJZFs_4Oy405li_xkmxAoWhAqQs-nB9yeNAg3tnI/edit#gid=0
Have fun!
Yvonne