diff --git a/src/go.mod b/src/go.mod
index a003f71b5a7a6f..8b4faa0296dd02 100644
--- a/src/go.mod
+++ b/src/go.mod
@@ -4,7 +4,7 @@ go 1.14
 
 require (
 	golang.org/x/crypto v0.0.0-20200128174031-69ecbb4d6d5d
-	golang.org/x/net v0.0.0-20191126235420-ef20fe5d7933
+	golang.org/x/net v0.0.0-20201012150639-9ef5ab9c4fbe
 	golang.org/x/sys v0.0.0-20200201011859-915c9c3d4ccf // indirect
 	golang.org/x/text v0.3.3-0.20191031172631-4b67af870c6f // indirect
 )
diff --git a/src/go.sum b/src/go.sum
index 14aa96f333c1bf..2968b35317116d 100644
--- a/src/go.sum
+++ b/src/go.sum
@@ -2,8 +2,8 @@ golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACk
 golang.org/x/crypto v0.0.0-20200128174031-69ecbb4d6d5d h1:9FCpayM9Egr1baVnV1SX0H87m+XB0B8S0hAMi99X/3U=
 golang.org/x/crypto v0.0.0-20200128174031-69ecbb4d6d5d/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
-golang.org/x/net v0.0.0-20191126235420-ef20fe5d7933 h1:e6HwijUxhDe+hPNjZQQn9bA5PW3vNmnN64U2ZW759Lk=
-golang.org/x/net v0.0.0-20191126235420-ef20fe5d7933/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20201012150639-9ef5ab9c4fbe h1:bea4OrKKl5Xs3lVowY+U6d4AgoAmwTzwqwe3KvM9MOE=
+golang.org/x/net v0.0.0-20201012150639-9ef5ab9c4fbe/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200201011859-915c9c3d4ccf h1:+4j7oujXP478CVb/AFvHJmVX5+Pczx2NGts5yirA0oY=
@@ -11,5 +11,4 @@ golang.org/x/sys v0.0.0-20200201011859-915c9c3d4ccf/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.3-0.20191031172631-4b67af870c6f h1:wYBuYA3M/ZC3iBpL1jKHNRNEK7d8D3JoJmM+zx6rLVQ=
 golang.org/x/text v0.3.3-0.20191031172631-4b67af870c6f/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
-golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e h1:FDhOuMEY4JVRztM/gsbk+IKUQ8kj74bxZrgw87eMMVc=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
diff --git a/src/net/http/h2_bundle.go b/src/net/http/h2_bundle.go
index a5bdb09113dc51..3a575e3f2ccdcd 100644
--- a/src/net/http/h2_bundle.go
+++ b/src/net/http/h2_bundle.go
@@ -5267,6 +5267,7 @@ func (sc *http2serverConn) processData(f *http2DataFrame) error {
 		if len(data) > 0 {
 			wrote, err := st.body.Write(data)
 			if err != nil {
+				sc.sendWindowUpdate(nil, int(f.Length)-wrote)
 				return http2streamError(id, http2ErrCodeStreamClosed)
 			}
 			if wrote != len(data) {
diff --git a/src/vendor/modules.txt b/src/vendor/modules.txt
index c702be0bda76aa..54989a2630ed6e 100644
--- a/src/vendor/modules.txt
+++ b/src/vendor/modules.txt
@@ -8,7 +8,7 @@ golang.org/x/crypto/curve25519
 golang.org/x/crypto/hkdf
 golang.org/x/crypto/internal/subtle
 golang.org/x/crypto/poly1305
-# golang.org/x/net v0.0.0-20191126235420-ef20fe5d7933
+# golang.org/x/net v0.0.0-20201012150639-9ef5ab9c4fbe
 ## explicit
 golang.org/x/net/dns/dnsmessage
 golang.org/x/net/http/httpguts