Index: squid-3.2.3/src/icmp/pinger.cc
===================================================================
--- squid-3.2.3.orig/src/icmp/pinger.cc
+++ squid-3.2.3/src/icmp/pinger.cc
@@ -180,8 +180,18 @@ main(int argc, char *argv[])
     }
     max_fd = max(max_fd, squid_link);
 
-    setgid(getgid());
-    setuid(getuid());
+    if (setgid(getgid()) < 0) {
+        debugs(42, 0, "FATAL: pinger: setgid failed.");
+        icmp4.Close();
+        icmp6.Close();
+	exit (1);
+    }
+    if (setuid(getuid()) < 0) {
+        debugs(42, 0, "FATAL: pinger: setuid failed.");
+        icmp4.Close();
+        icmp6.Close();
+        exit (1);
+    }
 
     last_check_time = squid_curtime;
 
Index: squid-3.2.3/src/tools.cc
===================================================================
--- squid-3.2.3.orig/src/tools.cc
+++ squid-3.2.3/src/tools.cc
@@ -757,7 +757,8 @@ enter_suid(void)
     debugs(21, 3, "enter_suid: PID " << getpid() << " taking root priveleges");
 #if HAVE_SETRESUID
 
-    setresuid((uid_t)-1, 0, (uid_t)-1);
+    if (setresuid((uid_t)-1, 0, (uid_t)-1) < 0)
+	debugs (21, 3, "enter_suid: setresuid failed" << xstrerror ());
 #else
 
     setuid(0);
@@ -782,7 +783,8 @@ no_suid(void)
     uid = geteuid();
     debugs(21, 3, "no_suid: PID " << getpid() << " giving up root priveleges forever");
 
-    setuid(0);
+    if (setuid(0) < 0)
+	debugs(50, 1, "no_suid: setuid (0): " << xstrerror());
 
     if (setuid(uid) < 0)
         debugs(50, 1, "no_suid: setuid: " << xstrerror());