Issues

• fuzzer_mutate should _technically_ be unsafe

  rust-fuzz/libfuzzer#145 · Filter by author Manishearth opened on Jul 5, 2026
  2

• Libfuzzer fails on registering external counters from sancov

  rust-fuzz/libfuzzer#135 · Filter by author defkit opened on Sep 16, 2025

• Example bananas.rs not working

  rust-fuzz/libfuzzer#134 · Filter by author alpaylan opened on Aug 8, 2025
  4

• Is the libfuzzer license information still accurate?

  rust-fuzz/libfuzzer#130 · Filter by author hanna-kruppe opened on Feb 1, 2025
  2

• Build fails on Windows since 0.4.8: error C2039: 'clamp': is not a member of 'std'

  rust-fuzz/libfuzzer#126 · Filter by author SimonSapin opened on Nov 25, 2024
  1

• Allow for multiple inputs to a fuzz_target, such data from corpus + an additional Arbitrary

  rust-fuzz/libfuzzer#119 · Filter by author rsheeter opened on Jun 26, 2024
  4

• Libfuzzer README says Linux only

  rust-fuzz/libfuzzer#116 · Filter by author cameronelliott opened on Dec 24, 2023

• Allow running initialization code before fuzz_target! code

  rust-fuzz/libfuzzer#110 · Filter by author mgeisler opened on Jun 7, 2023
  1

• failed to run LLVM passes: unknown pass name 'sancov'

  rust-fuzz/libfuzzer#109 · Filter by author extf33 opened on Jun 2, 2023

• Is there an equivalent of afl-clang-fast in libfuzzer-sys for instrumenting my own fuzzer?

  rust-fuzz/libfuzzer#108 · Filter by author extf33 opened on May 31, 2023

• Implementation of fuzz_target! is overly restrictive

  rust-fuzz/libfuzzer#104 · Filter by author cole-miller opened on Jan 28, 2023

• Example does not find panicking input since nightly-2021-12-18

  rust-fuzz/libfuzzer#90 · Filter by author Badel2 opened on Mar 1, 2022
  4

• libfuzzer/FuzzerInterceptors.cpp:62:36: error: 'size_t' has not been declared

  rust-fuzz/libfuzzer#87 · Filter by author kolbma opened on Jan 19, 2022
  2

• Using 'catch_unwind' to convert panic into error is still detected as crash

  rust-fuzz/libfuzzer#85 · Filter by author nbigaouette opened on Oct 19, 2021
  6

• Add multiple variables implementing the Arbitrary type to fuzz_target!

  rust-fuzz/libfuzzer#77 · Filter by author wcampbell0x2a opened on May 6, 2021
  4

• Add a LICENSE file

  help wanted
  rust-fuzz/libfuzzer#67 · Filter by author ivanloz opened on Oct 29, 2020

• [bug] failed: multiple definition of `__muloti4'

  rust-fuzz/libfuzzer#61 · Filter by author mimoo opened on Mar 31, 2020
  1

• Feature request: integration with proptest and/or quickcheck

  rust-fuzz/libfuzzer#58 · Filter by author danwallach opened on Feb 24, 2020
  2

• Split crate into libfuzzer and libfuzzer-sys

  breaking change
  rust-fuzz/libfuzzer#55 · Filter by author fitzgen opened on Jan 14, 2020 · 0.3 release

• Avoid the "replace main" trick

  breaking change
  rust-fuzz/libfuzzer#46 · Filter by author Manishearth opened on Nov 25, 2019
  5

• Mention C++ compiler with C++11 support is needed

  rust-fuzz/libfuzzer#23 · Filter by author frewsxcv opened on Mar 6, 2017

• Document setting RUSTFLAGS in the readme

  rust-fuzz/libfuzzer#21 · Filter by author frewsxcv opened on Mar 2, 2017
  1