From d02b0f8527b04cafcc465c411231c8892cb2b725 Mon Sep 17 00:00:00 2001
From: Sergey Pepyakin <s.pepyakin@gmail.com>
Date: Thu, 15 Feb 2018 20:34:56 +0300
Subject: [PATCH] Add plain load to fuzzer (#58)

---
 fuzz/Cargo.toml                |  4 ++++
 fuzz/fuzz_targets/load.rs      |  8 ++------
 fuzz/fuzz_targets/load_wabt.rs | 13 +++++++++++++
 3 files changed, 19 insertions(+), 6 deletions(-)
 create mode 100644 fuzz/fuzz_targets/load_wabt.rs

diff --git a/fuzz/Cargo.toml b/fuzz/Cargo.toml
index b5df657..52c3c5f 100644
--- a/fuzz/Cargo.toml
+++ b/fuzz/Cargo.toml
@@ -24,6 +24,10 @@ members = ["."]
 name = "load"
 path = "fuzz_targets/load.rs"
 
+[[bin]]
+name = "load_wabt"
+path = "fuzz_targets/load_wabt.rs"
+
 [[bin]]
 name = "load_wasmparser"
 path = "fuzz_targets/load_wasmparser.rs"
diff --git a/fuzz/fuzz_targets/load.rs b/fuzz/fuzz_targets/load.rs
index 0c98907..4df04ae 100644
--- a/fuzz/fuzz_targets/load.rs
+++ b/fuzz/fuzz_targets/load.rs
@@ -1,13 +1,9 @@
 #![no_main]
 #[macro_use]
 extern crate libfuzzer_sys;
-extern crate wabt;
 extern crate wasmi;
 
 fuzz_target!(|data: &[u8]| {
-	let wasmi_result = wasmi::Module::from_buffer(data);
-	let wabt_result =
-		wabt::Module::read_binary(data, &Default::default()).and_then(|m| m.validate());
-
-	assert_eq!(wasmi_result.is_ok(), wabt_result.is_ok());
+	// Just check if loading some arbitrary buffer doesn't panic.
+	let _ = wasmi::Module::from_buffer(data);
 });
diff --git a/fuzz/fuzz_targets/load_wabt.rs b/fuzz/fuzz_targets/load_wabt.rs
new file mode 100644
index 0000000..0c98907
--- /dev/null
+++ b/fuzz/fuzz_targets/load_wabt.rs
@@ -0,0 +1,13 @@
+#![no_main]
+#[macro_use]
+extern crate libfuzzer_sys;
+extern crate wabt;
+extern crate wasmi;
+
+fuzz_target!(|data: &[u8]| {
+	let wasmi_result = wasmi::Module::from_buffer(data);
+	let wabt_result =
+		wabt::Module::read_binary(data, &Default::default()).and_then(|m| m.validate());
+
+	assert_eq!(wasmi_result.is_ok(), wabt_result.is_ok());
+});