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rust-fuzz

4 indexed repositories · View on GitHub

cargo-fuzz
Command line helpers for fuzzing

Rust · 1897 stars
afl.rs
🐇 Fuzzing Rust code with American Fuzzy Lop

Rust · 1847 stars
arbitrary
Generating structured data from arbitrary, unstructured input.

Rust · 880 stars
honggfuzz-rs
Fuzz your Rust code with Google-developed Honggfuzz !

Rust · 502 stars

Beginner friendly Everything

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derive_arbitrary: update to syn 3 Open

Difficulty 3/5 1-2 days Newbie friendliness 58/100

rust-fuzz/arbitrary#241 · 1 comment · Opened Sep 10, 2026
docs: fuzz on Windows statement Open

Difficulty 1/5 Under an hour Newbie friendliness 78/100

rust-fuzz/cargo-fuzz#450 · 1 comment · Opened Aug 30, 2026
error: no matching package named `async` found Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

rust-fuzz/cargo-fuzz#448 · Opened Jul 13, 2026
`cargo afl cmin` results in an error: no instrumentation output detected Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

rust-fuzz/afl.rs#739 · 3 comments · Opened Jul 3, 2026
cargo fuzz cov doesn't set detect_odr_violations=0 in cargo fuzz cov Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

rust-fuzz/cargo-fuzz#447 · Opened Jul 3, 2026
cargo afl config --update and --plugins do not work together Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

rust-fuzz/afl.rs#733 · 3 comments · Opened Jun 25, 2026
Support file path inputs in the fuzz! macro Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

rust-fuzz/afl.rs#732 · Opened Jun 23, 2026
SIGILL on emtpy fuzz target Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

rust-fuzz/cargo-fuzz#443 · Opened May 15, 2026
cargo afl tmin does not work with afl::fuzz for valid inputs Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

rust-fuzz/afl.rs#709 · 8 comments · Opened Mar 28, 2026
hfuzz is not respecting `.cargo/config.toml` Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

rust-fuzz/honggfuzz-rs#110 · Opened Jan 29, 2026
`std::hint::black_box` does not work? Open

Difficulty 4/5 3-5 days Newbie friendliness 52/100

rust-fuzz/cargo-fuzz#436 · 4 comments · Opened Jan 20, 2026
cargo-fuzz workspace support seems to be lacking? Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

rust-fuzz/cargo-fuzz#430 · 1 comment · Opened Jan 4, 2026
`cargo-fuzz` build process ignores all standard methods for passing `rustflags`, making it incompatible with crates requiring `--cfg` flags like `tokio` Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

rust-fuzz/cargo-fuzz#429 · 1 comment · Opened Dec 7, 2025
non-reproducible ASAN violation and difficulty debugging with `run-debug` Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-fuzz/honggfuzz-rs#107 · Opened Nov 18, 2025
Can't fuzz after updating. Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

rust-fuzz/honggfuzz-rs#106 · Opened Nov 6, 2025
Corpus minification fails if corpus path contains whitespace Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

rust-fuzz/cargo-fuzz#428 · 1 comment · Opened Oct 30, 2025
`careful` option doesn't work Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

rust-fuzz/cargo-fuzz#422 · 3 comments · Opened Sep 6, 2025
Arbitrary type with a borrow that's not &[u8] Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

rust-fuzz/arbitrary#231 · Opened Sep 2, 2025
Command line argument to disable debug assertions on fuzz run Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

rust-fuzz/cargo-fuzz#420 · 1 comment · Opened Aug 8, 2025
Is it possible to use afl-cc's LTO instrumentation Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

rust-fuzz/afl.rs#627 · 2 comments · Opened Jul 9, 2025
Limiting recursion thoughts Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-fuzz/arbitrary#223 · Opened Jun 9, 2025
Sampling distribution documentation and tailoring Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

rust-fuzz/arbitrary#221 · Opened Apr 25, 2025
int_in_range (and others) reports success even when running out of entropy Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

rust-fuzz/arbitrary#219 · 4 comments · Opened Apr 10, 2025
unable to configure maxlength Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

rust-fuzz/afl.rs#604 · 2 comments · Opened Apr 9, 2025
Pass `OS=POSIX` env for macOS Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

rust-fuzz/honggfuzz-rs#100 · 2 comments · Opened Apr 9, 2025
List of breaking changes for next breaking release Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

rust-fuzz/arbitrary#217 · 6 comments · Opened Apr 8, 2025
`cargo fuzz run` unconditionally attempts to create an artifacts directory in fuzz-dir Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

rust-fuzz/cargo-fuzz#406 · 1 comment · Opened Mar 27, 2025
llvm-20's ASAN breaks cargo fuzz Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

rust-fuzz/cargo-fuzz#404 · 5 reactions · Opened Mar 10, 2025
How to exclude code from the sanitizer coverage? Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

rust-fuzz/cargo-fuzz#403 · Opened Mar 7, 2025
Does `cargo afl build` also instrument all the dependency crates? Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

rust-fuzz/afl.rs#584 · 17 comments · Opened Feb 23, 2025
bound attribute doesn't work with associated type bounds Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

rust-fuzz/arbitrary#213 · Opened Feb 18, 2025
cargo fuzz doesn't work with `build-std` if compiler older than `2024-07-30` Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

rust-fuzz/cargo-fuzz#400 · 1 comment · Opened Feb 18, 2025
`x86_64-unknown-linux-musl` is the default target used by `cargo fuzz run` on my `x86_64-unknown-linux-gnu` host Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

rust-fuzz/cargo-fuzz#398 · 14 comments · 1 reaction · Opened Feb 14, 2025
Set `-C target-feature=-crt-static` automatically when running `cargo fuzz run` Open

Difficulty 3/5 1-2 days Newbie friendliness 52/100

rust-fuzz/cargo-fuzz#397 · 3 comments · 1 reaction · Opened Feb 14, 2025
`fuzz_mutator` seems to not work with stripping dead code by default Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

rust-fuzz/cargo-fuzz#396 · 3 comments · Opened Feb 7, 2025
default instrumentation flag, `-Cllvm-args=-sanitizer-coverage-trace-compares`, seems to add needless overhead Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

rust-fuzz/cargo-fuzz#395 · 2 comments · Opened Feb 6, 2025
Wrong command line flag used for initial corpus directory Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

rust-fuzz/honggfuzz-rs#93 · Opened Dec 5, 2024
Print command used to build fuzz target Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

rust-fuzz/afl.rs#555 · 1 comment · Opened Nov 19, 2024
Failure to build 1.4.1 on existing projects that were using 1.3.2 Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

rust-fuzz/arbitrary#208 · 4 comments · Opened Nov 8, 2024
Consider a custom type for easier size hints Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

rust-fuzz/arbitrary#201 · 3 comments · Opened Nov 4, 2024
symbol not found issue when building fuzz target with plugins Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

rust-fuzz/afl.rs#539 · 3 comments · Opened Oct 14, 2024
workaround to uses of arbitrary_loop causing non-determinism Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

rust-fuzz/arbitrary#199 · 2 comments · Opened Sep 18, 2024
Cannot fuzz if `profile.release.lto = true` Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

rust-fuzz/cargo-fuzz#384 · 2 comments · 5 reactions · Opened Sep 17, 2024
Provide a way to provide seeds and prevent them from being removed with cmin Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

rust-fuzz/cargo-fuzz#382 · Opened Sep 3, 2024
timeouts never register as hangs Open

Difficulty 4/5 3-5 days Newbie friendliness 43/100

rust-fuzz/afl.rs#526 · 1 comment · Opened Aug 29, 2024
Add a `check` submodule that provides a mini property-based testing framework Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-fuzz/arbitrary#191 · 3 comments · 1 reaction · Opened Aug 22, 2024
FreeBSD Issue Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

rust-fuzz/honggfuzz-rs#90 · 1 comment · Opened Jul 20, 2024
Provide a way to get marker strings in to a binary without the `fuzz!` macro Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

rust-fuzz/afl.rs#501 · Opened Jul 11, 2024
Running `cargo afl fuzz` with no instrumentation (`-n`) Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

rust-fuzz/afl.rs#496 · 4 comments · Opened Jun 25, 2024
too many PC-guards Open

Difficulty 4/5 3-5 days Newbie friendliness 18/100

rust-fuzz/honggfuzz-rs#88 · 1 comment · Opened Jun 6, 2024

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