[casr-libfuzzer][casr-afl] Support MemorySanitizer (#260)

Author: hkctkuy

casr/src/bin/casr-afl.rs

@@ -196,7 +196,7 @@ fn main() -> Result<()> {
             if let Some(target) = crash_info.target_args.first() {
                 match util::symbols_list(Path::new(target)) {
                     Ok(list) => {
-                        if list.contains("__asan") {
+                        if list.contains("__asan") || list.contains("__msan") {
                             crash_info
                                 .casr_tool
                                 .clone_from(&(util::get_path("casr-san")?))

casr/src/bin/casr-libfuzzer.rs

@@ -176,7 +176,10 @@ fn main() -> Result<()> {
     } else {
         let sym_list = util::symbols_list(Path::new(argv[0]))?;
         if hint == "san"
-            || hint == "auto" && (sym_list.contains("__asan") || sym_list.contains("runtime.go"))
+            || hint == "auto"
+                && (sym_list.contains("__asan")
+                    || sym_list.contains("__msan")
+                    || sym_list.contains("runtime.go"))
         {
             "casr-san"
         } else {