How to use Microsoft Application Verifier
App Verifier will install a AppVerif.EXE executable. Run it, and tell it to verify your application. Then run your application in a debugger (either WinDBG or your IDE).
heap-corruption
How to debug corruption in the managed heap
Recently, I was faced with a managed heap corruption which was something new to me. I was very frustrated with it and had to learn many things to be able to debug it. I want to thank Seva Titov who gave me right direction to start. His answer was concise and very helpful. I want … Read more
Is there a way to mark a chunk of allocated memory readonly?
On most hardware architectures you can only change protection attributes on entire memory pages; you can’t mark a fragment of a page read-only. The relevant APIs are: mprotect() on Unix; VirtualProtect() on Windows. You’ll need to ensure that the memory page doesn’t contain anything that you don’t want to make read-only. To do this, you’ll … Read more
What does “zend_mm_heap corrupted” mean
After much trial and error, I found that if I increase the output_buffering value in the php.ini file, this error goes away
How to debug heap corruption errors?
Application Verifier combined with Debugging Tools for Windows is an amazing setup. You can get both as a part of the Windows Driver Kit or the lighter Windows SDK. (Found out about Application Verifier when researching an earlier question about a heap corruption issue.) I’ve used BoundsChecker and Insure++ (mentioned in other answers) in the … Read more