From d9d2ef991caabb3d2d0d419b652e7894cd2f4546 Mon Sep 17 00:00:00 2001
From: Andy Pan <panjf2000@gmail.com>
Date: Sat, 24 Sep 2022 13:13:14 +0800
Subject: [PATCH] net/http: fix the potential leak of textproto.Reader from
 pool

Fixes #55835

Change-Id: I6109bab2941b859e8cfef22f65a6a3a5f977a8d7
Reviewed-on: https://go-review.googlesource.com/c/go/+/433835
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Damien Neil <dneil@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Run-TryBot: Andy Pan <panjf2000@gmail.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
---
 src/net/http/request.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/net/http/request.go b/src/net/http/request.go
index 924ca1b390..88d3d75af5 100644
--- a/src/net/http/request.go
+++ b/src/net/http/request.go
@@ -1030,6 +1030,8 @@ func ReadRequest(b *bufio.Reader) (*Request, error) {
 
 func readRequest(b *bufio.Reader) (req *Request, err error) {
 	tp := newTextprotoReader(b)
+	defer putTextprotoReader(tp)
+
 	req = new(Request)
 
 	// First line: GET /index.html HTTP/1.0
@@ -1038,7 +1040,6 @@ func readRequest(b *bufio.Reader) (req *Request, err error) {
 		return nil, err
 	}
 	defer func() {
-		putTextprotoReader(tp)
 		if err == io.EOF {
 			err = io.ErrUnexpectedEOF
 		}