Diagnosing and Fixing Stack Overflows from Variable Length Arrays in C
A step‑by‑step guide to spot, diagnose, and fix stack overflows caused by Variable Length Arrays in C programs.
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A step‑by‑step guide to spot, diagnose, and fix stack overflows caused by Variable Length Arrays in C programs.
Goal We plan to upgrade a small C application that relies on Variable Length Arrays (VLAs) to C18 while keeping the service running. Constraints In C18 (C11), VLA support is optional; many compilers still provide it as an extension, but some omit it entirely. If a compiler silently removes VLA support, the program may allocate stack memory incorrectly, leadi