add in-tree cargo fuzz targets for decode and display impls

2 files changed, 33 insertions, 0 deletions

diff --git a/fuzz/fuzz_targets/decode_does_not_panic.rs b/fuzz/fuzz_targets/decode_does_not_panic.rs
new file mode 100644
index 0000000..5e6c15d
--- /dev/null
+++ b/fuzz/fuzz_targets/decode_does_not_panic.rs
@@ -0,0 +1,12 @@
+#![no_main]
+#[macro_use] extern crate libfuzzer_sys;
+extern crate yaxpeax_x86;
+
+fuzz_target!(|data: &[u8]| {
+    let x86_64_decoder = yaxpeax_x86::long_mode::InstDecoder::default();
+    let x86_32_decoder = yaxpeax_x86::protected_mode::InstDecoder::default();
+    let x86_16_decoder = yaxpeax_x86::real_mode::InstDecoder::default();
+    drop(x86_64_decoder.decode_slice(data));
+    drop(x86_32_decoder.decode_slice(data));
+    drop(x86_16_decoder.decode_slice(data));
+});
diff --git a/fuzz/fuzz_targets/display_does_not_panic.rs b/fuzz/fuzz_targets/display_does_not_panic.rs
new file mode 100644
index 0000000..97a14b8
--- /dev/null
+++ b/fuzz/fuzz_targets/display_does_not_panic.rs
@@ -0,0 +1,21 @@
+#![no_main]
+#[macro_use] extern crate libfuzzer_sys;
+extern crate yaxpeax_x86;
+
+fuzz_target!(|data: &[u8]| {
+    let x86_64_decoder = yaxpeax_x86::long_mode::InstDecoder::default();
+    let x86_32_decoder = yaxpeax_x86::protected_mode::InstDecoder::default();
+    let x86_16_decoder = yaxpeax_x86::real_mode::InstDecoder::default();
+
+    if let Ok(inst) = x86_64_decoder.decode_slice(data) {
+        inst.write_to(&mut String::new()).expect("format does not panic");
+    };
+
+    if let Ok(inst) = x86_32_decoder.decode_slice(data) {
+        inst.write_to(&mut String::new()).expect("format does not panic");
+    };
+
+    if let Ok(inst) = x86_16_decoder.decode_slice(data) {
+        inst.write_to(&mut String::new()).expect("format does not panic");
+    };
+});