fuzz: minimization [TEST PR, IGNORE]#4500
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joostjager wants to merge 2 commits intolightningdevkit:mainfrom
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fuzz: minimization [TEST PR, IGNORE]#4500joostjager wants to merge 2 commits intolightningdevkit:mainfrom
joostjager wants to merge 2 commits intolightningdevkit:mainfrom
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👋 Hi! I see this is a draft PR. |
The sanity check (cargo test on fuzz targets) doesn't use the restored corpus and was blocking the actual fuzz run. Move it to a separate fuzz_sanity job so both run in parallel. AI tools were used in preparing this commit.
Replace the fixed 30s run_time with iteration counts scaled to 8x corpus size (plus a 1000 baseline) with a 10-minute hard cap per target. This ensures the full corpus is replayed with room for mutations, while small targets finish quickly. On main (and on PRs with the fuzz-minimize label), run honggfuzz corpus minimization after each target to prune inputs that don't contribute unique coverage, keeping the cache size manageable. Print a summary table at the end with per-target stats: iterations, corpus sizes before/after fuzzing and minimization, and run times. Other changes: - Use -q (quiet) to suppress per-iteration status output - Set 3s per-input timeout (-t 3) for all targets - Pass FUZZ_MINIMIZE env var from PR label in workflow AI tools were used in preparing this commit.
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Companion to #4497