run_cmd: close parent process console file descriptors

Signed-off-by: Jason Dillaman <dillaman@redhat.com>
(cherry picked from commit f46f7dc94139c0bafe10361622416d7dc343d31f)

diff --git a/src/common/run_cmd.cc b/src/common/run_cmd.cc
index 5f5cc3cca32355701481fbfba72e006dad3d49fc..81e41712b9b38b5a713c3ad345a9bd65a08ed8c5 100644 (file)
--- a/src/common/run_cmd.cc
+++ b/src/common/run_cmd.cc
@@ -47,6 +47,9 @@ std::string run_cmd(const char *cmd, ...)
   }
   else if (fret == 0) {
     // execvp doesn't modify its arguments, so the const-cast here is safe.
+    close(STDIN_FILENO);
+    close(STDOUT_FILENO);
+    close(STDERR_FILENO);
     execvp(cmd, (char * const*)&arr[0]);
     _exit(127);
   }