PeterFerrie strongly disagreed with me, pointed out, that this is not only the Olly bug.https://www.openrce.org/forums/posts/775#2715 The not a problem in OllyDbg, it’s a Windows behavior. Try it without any debuggers and you will see the same thing. I found the same while researching my new paper.https://www.openrce.org/forums/posts/775#2720 If you set the trap flag then cause an access exception, [...]

http://souriz.wordpress.com/2008/05/09/bug-in-olly-windows-behavior-and-peter-ferrie/