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pkg/corpus: make seed selection configurable#6764

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a-nogikh wants to merge 3 commits intogoogle:masterfrom
a-nogikh:features/focus-area-seed-selection
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pkg/corpus: make seed selection configurable#6764
a-nogikh wants to merge 3 commits intogoogle:masterfrom
a-nogikh:features/focus-area-seed-selection

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@a-nogikh a-nogikh commented Feb 3, 2026

See individual commits.

Make it possible to replace the seed selection algorithm used by the
corpus.
Add a new alternative seed selection algorithm:

Select a random PC/signal, then select a program that covers it (when
there are multiple ones, follow our default algorithm - use total signal
count as weights).
Make it possible to configure seed selection for individual focus areas.
Use "signal count"-weighted selection as a default and PC-based
selection during patch fuzzing.
@a-nogikh a-nogikh force-pushed the features/focus-area-seed-selection branch from 54ea215 to 729c335 Compare February 3, 2026 15:24
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