Fix misleading comment

This is a typo from commit c2f667e.

Signed-off-by: Lance Chen <cyen0312@gmail.com>
Ignore kernel space constraints

Kernel space constraints may be useless. And
could possibly prevent exploit from generating.

Signed-off-by: Lance Chen <cyen0312@gmail.com>
Write exploit to file instead of stdout

Naming convention: exploit-[symbolicArrayStartAddress].bin

Signed-off-by: Lance Chen <cyen0312@gmail.com>