Put a limit on the max body size for fuzzing

fuzz_test.go

@@ -54,6 +54,10 @@ func FuzzResponseReadLimitBody(f *testing.F) {
 	f.Add([]byte("HTTP/1.1 200 OK\r\nContent-Type: aa\r\nContent-Length: 10\r\n\r\n9876543210"), 1024*1024)
 
 	f.Fuzz(func(t *testing.T, body []byte, max int) {
+		if max > 10*1024*1024 { // Skip limits higher than 10MB.
+			return
+		}
+
 		_ = res.ReadLimitBody(bufio.NewReader(bytes.NewReader(body)), max)
 		w := bytes.Buffer{}
 		_, _ = res.WriteTo(&w)
@@ -67,6 +71,10 @@ func FuzzRequestReadLimitBody(f *testing.F) {
 	f.Add([]byte("POST /a HTTP/1.1\r\nHost: a.com\r\nTransfer-Encoding: chunked\r\nContent-Type: aa\r\n\r\n6\r\nfoobar\r\n3\r\nbaz\r\n0\r\nfoobar\r\n\r\n"), 1024*1024)
 
 	f.Fuzz(func(t *testing.T, body []byte, max int) {
+		if max > 10*1024*1024 { // Skip limits higher than 10MB.
+			return
+		}
+
 		_ = req.ReadLimitBody(bufio.NewReader(bytes.NewReader(body)), max)
 		w := bytes.Buffer{}
 		_, _ = req.WriteTo(&w)