VS debugging bit patterns

VS debugging bit patterns

source: https://www.softwareverify.com/memory-bit-patterns.php
0xCCCCCCCC uninitialised stack memory
0xCDCDCDCD uninitialised heap memory (malloc(), realloc() or new)
0xDDDDDDDD deallocated memory (free() or delete).
0xFEEEFEEE part of a deallocated memory allocation (free() or delete).

0xBAADF00D uninitalized HeapAlloc(), LocalAlloc(LMEM_FIXED), GlobalAlloc(GMEM_FIXED).
0xDEADBEEF memory deallocated using HeapFree(), LocalFree(), GlobalFree().
0xABABABAB guard block after memory allocated using HeapAlloc(), LocalAlloc(LMEM_FIXED), GlobalAlloc(GMEM_FIXED) or CoTaskMemAlloc().
0xBDBDBDBD guard pattern around memory allocations allocated with the "aligned" allocators
0xFDFDFDFD guard pattern around memory allocations allocated with the "non-aligned" (default) allocators.