Is there a programmatic way to check stack corruption

Question

I am working with a multithreaded embedded application. Each thread is allocated stack sizes based on its functionality. Recently we found that one of the thread corrupted the s

Answer 1

What compiler are you using? I'm guessing a OS specific one. If you're using GCC, you may be able to use the Stack-Smashing Protector. This might be a fix for your production system prevent the issue, and would also allow you to detect it in development.

To effectively check for stack corruption, you need to check your available stack space, put guards on both sides of the stack arguments before the call, make the call, and then check the guards on the call's return. This kind of change generally requires modification to the code which the compiler generates.