FSM bug in STM32 ?

HI.Now I'm trying to debug code with break pointers in STM32F4 kit.

As you can see the below code, I put some break point in my code.

But problem is taht FSM go broken. 

At the line 437, I go next step (F11),

But it goes to 442 line. It's a absolutely different state.

Even it does not go break statement.

I guess that compiled assembler code and C code are different working.

But I can't understand it, does this make sense..? what am I supposed to do to resolve