Always check setreuid return code

* strace.c (startup_child): Check setreuid return code.

1 files changed, 3 insertions, 1 deletions

diff --git a/strace.c b/strace.c
index 799fce5..5535329 100644
--- a/strace.c
+++ b/strace.c
@@ -1086,7 +1086,9 @@ startup_child(char **argv)
 			}
 		}
 		else if (geteuid() != 0)
-			setreuid(run_uid, run_uid);
+			if (setreuid(run_uid, run_uid) < 0) {
+				perror_msg_and_die("setreuid");
+			}
 
 		if (!daemonized_tracer) {
 			/*