From: Dmitry V. Levin <ldv@altlinux.org>
Date: Fri, 24 Aug 2012 17:56:53 +0000 (+0000)
Subject: Always check setreuid return code
X-Git-Tag: v4.8~218
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=508279c94f15510d05c92a7694533c9a962d8585;p=strace

Always check setreuid return code

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

diff --git a/strace.c b/strace.c
index 799fce51..55353296 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) {
 			/*