http2: fix check for frame->hd.type

According to the comment, this should be checking whether
`frame->hd.type` is `NGHTTP2_GOAWAY`, i.e. `0x07` and not `0x03`.

PR-URL: #57644
Refs: 1b693fa
Reviewed-By: Matteo Collina <[email protected]>
Reviewed-By: Rafael Gonzaga <[email protected]>

Author: hgqxjj

src/node_http2.cc

@@ -1211,7 +1211,7 @@ int Http2Session::OnFrameNotSent(nghttp2_session* handle,
     // closed but the Http2Session will still be up causing a memory leak.
     // Therefore, if the GOAWAY frame couldn't be send due to
     // ERR_SESSION_CLOSING we should force close from our side.
-    if (frame->hd.type != 0x03) {
+    if (frame->hd.type != NGHTTP2_GOAWAY) {
       return 0;
     }
   }

test/parallel/test-http2-premature-close.js

@@ -29,9 +29,9 @@ async function requestAndClose(server) {
     // Send a valid HEADERS frame
     const headersFrame = Buffer.concat([
       Buffer.from([
-        0x00, 0x00, 0x0c, // Length: 12 bytes
+        0x00, 0x00, 0x0e, // Length: 14 bytes
         0x01, // Type: HEADERS
-        0x05, // Flags: END_HEADERS + END_STREAM
+        0x04, // Flags: END_HEADERS
         (streamId >> 24) & 0xFF, // Stream ID: high byte
         (streamId >> 16) & 0xFF,
         (streamId >> 8) & 0xFF,
@@ -41,7 +41,7 @@ async function requestAndClose(server) {
         0x82, // Indexed Header Field Representation (Predefined ":method: GET")
         0x84, // Indexed Header Field Representation (Predefined ":path: /")
         0x86, // Indexed Header Field Representation (Predefined ":scheme: http")
-        0x44, 0x0a, // Custom ":authority: localhost"
+        0x41, 0x09, // ":authority: localhost" Length: 9 bytes
         0x6c, 0x6f, 0x63, 0x61, 0x6c, 0x68, 0x6f, 0x73, 0x74,
       ]),
     ]);