stream|tokio: Port proptest fuzz harnesses to use cargo-fuzz #5392
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This change ports fuzz tests from the black-box fuzzing framework, proptest-rs over to use the grey-box fuzzing framework cargo-fuzz. Refs: tokio-rs#5391
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Darksonn
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We currently run the proptest fuzz tests in CI, but it seems like this doesn't get executed in CI at all. |
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Ah, the description of how the fuzz tests will be run are described in #5391. |
Darksonn
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# 1.26.0 (March 1st, 2023) ### Fixed - sync: don't leak tracing spans in mutex guards ([#5469]) - sync: drop wakers after unlocking the mutex in Notify ([#5471]) - sync: drop wakers outside lock in semaphore ([#5475]) - macros: fix empty `join!` and `try_join!` ([#5504]) ### Added - fs: add `fs::try_exists` ([#4299]) - net: add types for named unix pipes ([#5351]) - sync: add `MappedOwnedMutexGuard` ([#5474]) ### Documented - task: clarify what happens to spawned work during runtime shutdown ([#5394]) - task: clarify `process::Command` docs (#5406) ([#5413]) - sync: add doc aliases for `blocking_*` methods ([#5448]) - task: fix wording with 'unsend' ([#5452]) - signal: updated Documentation for Signals ([#5459]) - sync: fix docs for Send/Sync bounds in broadcast ([#5480]) - io: improve AsyncFd example ([#5481]) - tokio: document supported platforms ([#5483]) - runtime: document the nature of the main future ([#5494]) - sync: document drop behavior for channels ([#5497]) - time: document immediate completion guarantee for timeouts ([#5509]) - runtime: remove extra period in docs ([#5511]) ### Changed - net: use Message Read Mode for named pipes ([#5350]) - chore: update windows-sys to 0.45 ([#5386]) - sync: mark lock guards with `#[clippy::has_significant_drop]` ([#5422]) - sync: reduce contention in watch channel ([#5464]) - time: remove cache padding in timer entries ([#5468]) - time: Improve `Instant::now()` perf with test-util ([#5513]) ### Internal Changes - tests: port proptest fuzz harnesses to use cargo-fuzz ([#5392]) - time: don't store deadline twice in sleep entries ([#5410]) - rt: remove Arc from Clock ([#5434]) - sync: make `notify_waiters` calls atomic ([#5458]) - net: refactor named pipe builders to not use bitfields ([#5477]) - io: use `poll_fn` in `copy_bidirectional` ([#5486]) - fs: add more tests for filesystem functionality ([#5493]) - net: fix test compilation failure ([#5506]) - io: ignore SplitByUtf8BoundaryIfWindows test on miri ([#5507]) ### Unstable - metrics: add a new metric for budget exhaustion yields ([#5517]) [#4299]: #4299 [#5350]: #5350 [#5351]: #5351 [#5386]: #5386 [#5392]: #5392 [#5394]: #5394 [#5410]: #5410 [#5413]: #5413 [#5422]: #5422 [#5434]: #5434 [#5448]: #5448 [#5452]: #5452 [#5458]: #5458 [#5459]: #5459 [#5464]: #5464 [#5468]: #5468 [#5469]: #5469 [#5471]: #5471 [#5474]: #5474 [#5475]: #5475 [#5477]: #5477 [#5480]: #5480 [#5481]: #5481 [#5483]: #5483 [#5486]: #5486 [#5493]: #5493 [#5494]: #5494 [#5497]: #5497 [#5504]: #5504 [#5506]: #5506 [#5507]: #5507 [#5509]: #5509 [#5511]: #5511 [#5513]: #5513 [#5517]: #5517
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This change ports fuzz tests from the black-box fuzzing framework, proptest-rs over to use the grey-box fuzzing framework cargo-fuzz.
Motivation
Currently the proptest-rs fuzzing framework only works in black-box mode and does not support coverage-driven feedback. This results in fairly limited performance in terms of the coverage of fuzzing.
Solution
This change ports proptest-rs test harnesses over to use cargo-fuzz which can make use of coverage information to optimise fuzzing inputs on the fly.