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fix: put a call limit on the toml fuzzer #692

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merged 1 commit into from Aug 14, 2022
Merged

fix: put a call limit on the toml fuzzer #692

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2 changes: 2 additions & 0 deletions grammars/fuzz/Cargo.toml
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Expand Up @@ -10,6 +10,8 @@ cargo-fuzz = true

[dependencies.pest_grammars]
path = ".."
[dependencies.pest]
path = "../../pest"
[dependencies.libfuzzer-sys]
git = "https://github.com/rust-fuzz/libfuzzer-sys.git"

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3 changes: 2 additions & 1 deletion grammars/fuzz/fuzz_targets/json.rs
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@@ -1,5 +1,6 @@
#![no_main]
#[macro_use] extern crate libfuzzer_sys;
#[macro_use]
extern crate libfuzzer_sys;
extern crate pest_grammars;

fuzz_target!(|data: &[u8]| {
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7 changes: 6 additions & 1 deletion grammars/fuzz/fuzz_targets/toml.rs
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@@ -1,12 +1,17 @@
#![no_main]
#[macro_use] extern crate libfuzzer_sys;
#[macro_use]
extern crate libfuzzer_sys;
extern crate pest;
extern crate pest_grammars;

use std::convert::TryInto;

fuzz_target!(|data: &[u8]| {
use pest_grammars::toml;
use pest_grammars::Parser;

if let Ok(s) = std::str::from_utf8(data) {
pest::set_call_limit(Some(100_000usize.try_into().unwrap()));
let _ = toml::TomlParser::parse(toml::Rule::toml, s);
}
});