fix: put a call limit on the json fuzzer (#696)

pest-parser · Aug 16, 2022 · abb1972 · abb1972
1 parent 0640862
commit abb1972
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Showing 4 changed files with 5,644 additions and 2 deletions.
diff --git a/grammars/fuzz/fuzz_targets/json.rs b/grammars/fuzz/fuzz_targets/json.rs
@@ -1,13 +1,17 @@
 #![no_main]
 #[macro_use]
 extern crate libfuzzer_sys;
+extern crate pest;
 extern crate pest_grammars;
 
+use std::convert::TryInto;
+
 fuzz_target!(|data: &[u8]| {
     use pest_grammars::json;
     use pest_grammars::Parser;
 
     if let Ok(s) = std::str::from_utf8(data) {
+        pest::set_call_limit(Some(45_000usize.try_into().unwrap()));
         let _ = json::JsonParser::parse(json::Rule::json, s);
     }
 });