From 37547e9f5f246888cd3dce2f80e10282566220bd Mon Sep 17 00:00:00 2001
From: Qualys Security Advisory <qsa@qualys.com>
Date: Thu, 1 Jan 1970 00:00:00 +0000
Subject: [PATCH] skill: Check the return value of fstat().

---
 skill.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/skill.c b/skill.c
index effd7788..f32e918e 100644
--- a/skill.c
+++ b/skill.c
@@ -187,7 +187,8 @@ static void check_proc(int pid, struct run_time_conf_t *run_time)
 			xwarn(_("cannot open file %s"), buf);
 		return;
 	}
-	fstat(fd, &statbuf);
+	if (fstat(fd, &statbuf) != 0)
+		goto closure;
 	if (uids) {
 		/* check the EUID */
 		i = uid_count;