[VOL-4291] OfAgent changes for gRPC migration
Change-Id: I8da1db6df49d478ef24ec8f9bd719e9692f48a7f
diff --git a/vendor/golang.org/x/net/http2/write.go b/vendor/golang.org/x/net/http2/write.go
index 3849bc2..33f6139 100644
--- a/vendor/golang.org/x/net/http2/write.go
+++ b/vendor/golang.org/x/net/http2/write.go
@@ -341,7 +341,12 @@
}
for _, k := range keys {
vv := h[k]
- k = lowerHeader(k)
+ k, ascii := lowerHeader(k)
+ if !ascii {
+ // Skip writing invalid headers. Per RFC 7540, Section 8.1.2, header
+ // field names have to be ASCII characters (just as in HTTP/1.x).
+ continue
+ }
if !validWireHeaderFieldName(k) {
// Skip it as backup paranoia. Per
// golang.org/issue/14048, these should