trailofbits / trailofbits/testing-handbook
Section on structured fuzzing
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@maxammann is already working on this.
Since May 7, 2024.
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Description
TLV encodings can represent a challenge to fuzzers. The idea is to choose a more structured fuzzing approach by using custom mutators that don't destroy expected boundaries/file formats like https://chromium.googlesource.com/chromium/src/+/main/testing/libfuzzer/libprotobuf-mutator.md
A lightweight workaround for this issue is FuzzedDataProvider
Motivation arises from test-fuzz partially which fuzzes TLV encoded data: https://github.com/trailofbits/test-fuzz/issues/304
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