Fix race condition for rewriting content of the buffer

e2b-dev · Sep 11, 2024 · 7cc4621 · 7cc4621
1 parent 076c89c
commit 7cc4621
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/packages/envd/internal/services/process/handler/handler.go b/packages/envd/internal/services/process/handler/handler.go
@@ -123,12 +123,14 @@ func New(user *user.User, req *rpc.StartRequest, logger *zerolog.Logger, envVars
 
 			for {
 				n, readErr := tty.Read(buf)
+				chunk := make([]byte, n)
+				copy(chunk, buf[:n])
 
 				if n > 0 {
 					outMultiplex.Source <- rpc.ProcessEvent_Data{
 						Data: &rpc.ProcessEvent_DataEvent{
 							Output: &rpc.ProcessEvent_DataEvent_Pty{
-								Pty: buf[:n],
+								Pty: chunk,
 							},
 						},
 					}