From: Todd C. Miller <Todd.Miller@courtesan.com>
Date: Sun, 25 Nov 2012 13:12:54 +0000 (-0500)
Subject: Avoid NULL deref for unknown Defaults in strict mode.
X-Git-Tag: SUDO_1_8_7~1^2~326
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=056c08a5b787fdacffd061fa70cc37eb95702aa7;p=sudo

Avoid NULL deref for unknown Defaults in strict mode.
---

diff --git a/plugins/sudoers/visudo.c b/plugins/sudoers/visudo.c
index ba8c5938e..f7893c031 100644
--- a/plugins/sudoers/visudo.c
+++ b/plugins/sudoers/visudo.c
@@ -834,7 +834,7 @@ check_syntax(char *sudoers_path, bool quiet, bool strict, bool oldperms)
 	    if (errorlineno != -1)
 		(void) printf(_("parse error in %s near line %d\n"),
 		    errorfile, errorlineno);
-	    else
+	    else if (errorfile != NULL)
 		(void) printf(_("parse error in %s\n"), errorfile);
 	}
     } else {