add fuzz target for no panicking plz (it found panics)

1 files changed, 25 insertions, 0 deletions

diff --git a/fuzz/fuzz_targets/no-panic.rs b/fuzz/fuzz_targets/no-panic.rs
new file mode 100644
index 0000000..65efa6a
--- /dev/null
+++ b/fuzz/fuzz_targets/no-panic.rs
@@ -0,0 +1,25 @@
+#![no_main]
+use libfuzzer_sys::fuzz_target;
+
+use yaxpeax_arch::Decoder;
+
+use std::fmt::Write;
+
+fuzz_target!(|data: &[u8]| {
+
+    let decoders = [
+        yaxpeax_rx::InstDecoder::v1(),
+        yaxpeax_rx::InstDecoder::v2(),
+        yaxpeax_rx::InstDecoder::v3(),
+    ];
+
+    let mut rx_inst = yaxpeax_rx::Instruction::default();
+
+    for decoder in decoders {
+        let mut words = yaxpeax_arch::U8Reader::new(data);
+        // test decoding, may be ok or not, but should not panic
+        if let Ok(()) = decoder.decode_into(&mut rx_inst, &mut words) {
+            write!(&mut String::new(), "{}", rx_inst).expect("formatting does not panic either");
+        }
+    }
+});