Shouldn't that be 0xc8c70ff0, since we're talking about a little-endian CPU? (according to this[1] the bytes in memory are F0 0F C7 C8).

On the other hand, I probably wouldn't have recognized the F00F bug mention if you had actually written 0xc8c70ff0.

[1] https://en.wikipedia.org/wiki/Pentium_F00F_bug