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transport: fix race accessing s.recvCompress #4627

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merged 1 commit into from Aug 3, 2021
Merged

transport: fix race accessing s.recvCompress #4627

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4 changes: 3 additions & 1 deletion internal/transport/http2_client.go
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Expand Up @@ -1275,6 +1275,7 @@ func (t *http2Client) operateHeaders(frame *http2.MetaHeadersFrame) {
contentTypeErr string
grpcMessage string
statusGen *status.Status
recvCompress string

httpStatus string
rawStatus string
Expand All @@ -1292,7 +1293,7 @@ func (t *http2Client) operateHeaders(frame *http2.MetaHeadersFrame) {
mdata[hf.Name] = append(mdata[hf.Name], hf.Value)
isGRPC = true
case "grpc-encoding":
s.recvCompress = hf.Value
recvCompress = hf.Value
case "grpc-status":
rawStatus = hf.Value
case "grpc-message":
Expand Down Expand Up @@ -1384,6 +1385,7 @@ func (t *http2Client) operateHeaders(frame *http2.MetaHeadersFrame) {
// These values can be set without any synchronization because
// stream goroutine will read it only after seeing a closed
// headerChan which we'll close after setting this.
s.recvCompress = recvCompress
if len(mdata) > 0 {
s.header = mdata
}
Expand Down