feat(fuzz): keep observed calls out of corpus - #15817
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decofe
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0xrusowsky,
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stevencartavia
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July 18, 2026 13:45
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TBD if this is desired 46180e7 I think also mutating immediately upon selecting an observed call remains |
Initialize the isolated coverage snapshots in the test-trace seeding path where they are consumed. Remove a stale test variable so the branch remains warning-free.
…entaur/observed-call-dictionary-1784381979
mablr
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Jul 23, 2026
…entaur/observed-call-dictionary-1784381979 # Conflicts: # crates/evm/evm/src/executors/corpus.rs # crates/evm/evm/src/executors/invariant/mod.rs
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Stacked on #15816.
Keep coverage-winning observed calls in a separate, deduplicated generation dictionary, analogous to Echidna
GenDict.wholeCalls. Sibling zero-input tests contribute direct observed calls only when their execution adds coverage; they are never persisted or counted as corpus entries. A later fuzz execution must gain coverage before normal corpus promotion.Validation:
cargo +nightly fmtandgit diff --checkpass. Focusedfoundry-evmtests are blocked before compilation because Cargo cannot fetch the pinnedfoundry-rs/optimismGit dependency (HTTP 401).Prompted by: @0xalpharush