1 files changed, 2 insertions, 0 deletions
diff --git a/git/cmd.py b/git/cmd.py
index ff1dfa34..068ad134 100644
--- a/git/cmd.py
+++ b/git/cmd.py
@@ -147,6 +147,8 @@ def handle_process_output(process: 'Git.AutoInterrupt' | Popen,
     #
     for t in threads:
         t.join(timeout=timeout)
+        if t.is_alive():
+            raise RuntimeError(f"Thread join() timed out in cmd.handle_process_output(). Timeout={timeout} seconds")
 
     if finalizer:
         return finalizer(process)