Merge pull request #775 from criblio/bug/737-check-return-code

Resolve segfault in Java
criblio · Feb 10, 2022 · 82ef875 · 82ef875
2 parents 7872543 + b3bbf06
commit 82ef875
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/javaagent.c b/src/javaagent.c
@@ -386,6 +386,7 @@ doJavaProtocol(JNIEnv *jni, jobject session, jbyteArray buf, jint offset, jint l
 {
     jint  hash      = (*jni)->CallIntMethod(jni, session, g_java.mid_Object_hashCode);
     jbyte *byteBuf  = (*jni)->GetPrimitiveArrayCritical(jni, buf, 0);
+    if (!byteBuf) return;
     doProtocol((uint64_t)hash, fd, &byteBuf[offset], (size_t)(len - offset), src, BUF);
     //scopeLogHexError(&byteBuf[offset], (len - offset), "doJavaProtocol");
     (*jni)->ReleasePrimitiveArrayCritical(jni, buf, byteBuf, 0);