1 files changed, 3 insertions, 0 deletions
diff --git a/src/basic/util.c b/src/basic/util.c
index 737f2a221c..f01f5f237b 100644
--- a/src/basic/util.c
+++ b/src/basic/util.c
@@ -6095,6 +6095,9 @@ int openpt_in_namespace(pid_t pid, int flags) {
                 if (master < 0)
                         _exit(EXIT_FAILURE);
 
+                if (unlockpt(master) < 0)
+                        _exit(EXIT_FAILURE);
+
                 cmsg = CMSG_FIRSTHDR(&mh);
                 cmsg->cmsg_level = SOL_SOCKET;
                 cmsg->cmsg_type = SCM_RIGHTS;