Set user_ngroups to 0 if getgroups() returns an error.

diff --git a/sudo.c b/sudo.c
index 94027508136bc465effe805119cd891f4d4f639c..2d3f89b60f766adeddeaa1792e59c6848d1504a8 100644 (file)
--- a/sudo.c
+++ b/sudo.c
@@ -558,7 +558,8 @@ init_vars(sudo_mode)
        user_groups = emalloc2(user_ngroups, sizeof(gid_t));
        if (getgroups(user_ngroups, user_groups) < 0)
            log_error(USE_ERRNO|MSG_ONLY, "can't get group vector");
-    }
+    } else
+       user_ngroups = 0;
 #endif
 
     if (def_fqdn)