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enable using both cargo-fuzz and afl.rs for fuzzing

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Brendan Hansknecht 2023-01-04 10:48:04 -08:00
parent 6bdab37541
commit b79c855f15
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1 changed files with 12 additions and 4 deletions
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16
crates/compiler/build/src/program.rs
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@ -263,14 +263,21 @@ fn gen_from_mono_module_llvm<'a>(
"address" => passes.push("asan-module"), "address" => passes.push("asan-module"),
"memory" => passes.push("msan-module"), "memory" => passes.push("msan-module"),
"thread" => passes.push("tsan-module"), "thread" => passes.push("tsan-module"),
"fuzzer" => { "cargo-fuzz" => {
passes.push("sancov-module");
extra_args.extend_from_slice(&[
"-sanitizer-coverage-level=3",
"-sanitizer-coverage-prune-blocks=0",
"-sanitizer-coverage-inline-8bit-counters",
"-sanitizer-coverage-pc-table",
]);
}
"afl.rs" => {
passes.push("sancov-module"); passes.push("sancov-module");
extra_args.extend_from_slice(&[ extra_args.extend_from_slice(&[
"-sanitizer-coverage-level=3", "-sanitizer-coverage-level=3",
"-sanitizer-coverage-prune-blocks=0", "-sanitizer-coverage-prune-blocks=0",
"-sanitizer-coverage-trace-pc-guard", "-sanitizer-coverage-trace-pc-guard",
// This can be used instead of the line above to enable working with `cargo fuzz` and libFuzzer.
// "-sanitizer-coverage-inline-8bit-counters",
]); ]);
} }
x => unrecognized.push(x.to_owned()), x => unrecognized.push(x.to_owned()),
@ -282,7 +289,8 @@ fn gen_from_mono_module_llvm<'a>(
.map(|x| format!("{:?}", x)) .map(|x| format!("{:?}", x))
.collect::<Vec<String>>() .collect::<Vec<String>>()
.join(", "); .join(", ");
eprintln!("Unrecognized sanitizer: {}\nSupported options are \"address\", \"memory\", \"thread\", and \"fuzzer\"", out); eprintln!("Unrecognized sanitizer: {}\nSupported options are \"address\", \"memory\", \"thread\", \"cargo-fuzz\", and \"afl.rs\".", out);
eprintln!("Note: \"cargo-fuzz\" and \"afl.rs\" both enable sanitizer coverage for fuzzing. They just use different parameters to match the respective libraries.")
} }
use std::process::Command; use std::process::Command;