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Avoid OOM in refill fuzz test #497

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Nov 12, 2022
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Avoid OOM in refill fuzz test #497

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8 changes: 8 additions & 0 deletions fuzz/fuzz_targets/refill.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -6,5 +6,13 @@ fuzz_target!(|input: (String, usize)| {
return; // Avoid timeouts in OSS-Fuzz.
}

let (_, options) = textwrap::unfill(&input.0);
if options.subsequent_indent.len() > 10_000 {
// Avoid out of memory in OSS-fuzz. The indentation is added
// on every line of the output, meaning that is can make the
// memory usage explode.
return;
}

let _ = textwrap::refill(&input.0, input.1);
});