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Limit inputs to prevent OSS-Fuzz timeouts #488

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merged 1 commit into from
Oct 30, 2022
Merged

Limit inputs to prevent OSS-Fuzz timeouts #488

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4 changes: 4 additions & 0 deletions fuzz/fuzz_targets/fill_fast_path.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,10 @@
use libfuzzer_sys::fuzz_target;

fuzz_target!(|input: (String, usize)| {
if input.0.len() > 100_000 {
return; // Avoid timeouts in OSS-Fuzz.
}

let options = textwrap::Options::new(input.1);
let fast = textwrap::fill(&input.0, &options);
let slow = textwrap::fuzzing::fill_slow_path(&input.0, options);
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4 changes: 4 additions & 0 deletions fuzz/fuzz_targets/fill_first_fit.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,10 @@ use textwrap::Options;
use textwrap::WrapAlgorithm;

fuzz_target!(|input: (String, usize)| {
if input.0.len() > 100_000 {
return; // Avoid timeouts in OSS-Fuzz.
}

let options = Options::new(input.1).wrap_algorithm(WrapAlgorithm::FirstFit);
let _ = textwrap::fill(&input.0, &options);
});
4 changes: 4 additions & 0 deletions fuzz/fuzz_targets/fill_optimal_fit.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,10 @@ use textwrap::Options;
use textwrap::WrapAlgorithm;

fuzz_target!(|input: (String, usize)| {
if input.0.len() > 100_000 {
return; // Avoid timeouts in OSS-Fuzz.
}

let options = Options::new(input.1).wrap_algorithm(WrapAlgorithm::new_optimal_fit());
let _ = textwrap::fill(&input.0, &options);
});
4 changes: 4 additions & 0 deletions fuzz/fuzz_targets/refill.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -2,5 +2,9 @@
use libfuzzer_sys::fuzz_target;

fuzz_target!(|input: (String, usize)| {
if input.0.len() > 100_000 {
return; // Avoid timeouts in OSS-Fuzz.
}

let _ = textwrap::refill(&input.0, input.1);
});
4 changes: 4 additions & 0 deletions fuzz/fuzz_targets/unfill.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -2,5 +2,9 @@
use libfuzzer_sys::fuzz_target;

fuzz_target!(|input: String| {
if input.len() > 100_000 {
return; // Avoid timeouts in OSS-Fuzz.
}

let _ = textwrap::unfill(&input);
});
10 changes: 6 additions & 4 deletions fuzz/fuzz_targets/wrap_fast_path.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -2,15 +2,17 @@
use libfuzzer_sys::fuzz_target;

fuzz_target!(|input: (String, usize)| {
// Filter out multi-line input.
if input.0.len() > 100_000 {
return; // Avoid timeouts in OSS-Fuzz.
}

if input.0.contains('\n') {
return;
return; // Filter out multi-line input.
}

let options = textwrap::Options::new(input.1);
let mut fast = Vec::new();
let mut slow = Vec::new();

let options = textwrap::Options::new(input.1);
textwrap::fuzzing::wrap_single_line(&input.0, &options, &mut fast);
textwrap::fuzzing::wrap_single_line_slow_path(&input.0, &options, &mut slow);
assert_eq!(fast, slow);
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