Diagnosing Missing GCC -fstack-protector-strong Protection
How to detect and fix missing stack canary protection when using GCC's -fstack-protector-strong flag.
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How to detect and fix missing stack canary protection when using GCC's -fstack-protector-strong flag.
A production GCC build requires stack-buffer-overflow mitigation under a runtime-overhead budget with attention to code size and instruction-cache effects. The decision is between -fstack-protector-strong and -fstack-protector-all, where coverage is not equivalent and overhead is workload and target dependent. The build may target a custom or freestanding C