From: deraadt <deraadt@openbsd.org>
Date: Thu, 8 Oct 2015 13:55:56 +0000 (+0000)
Subject: Handle case where no hint is passed in.  Found as a crash of fdm by jturner@
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=136d56f7b3c58e753661f0e064e17e91e87b520a;p=openbsd

Handle case where no hint is passed in.  Found as a crash of fdm by jturner@
---

diff --git a/lib/libc/asr/getaddrinfo.c b/lib/libc/asr/getaddrinfo.c
index e932e46b948..b6ce8a9d64d 100644
--- a/lib/libc/asr/getaddrinfo.c
+++ b/lib/libc/asr/getaddrinfo.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: getaddrinfo.c,v 1.7 2015/10/07 13:57:12 deraadt Exp $	*/
+/*	$OpenBSD: getaddrinfo.c,v 1.8 2015/10/08 13:55:56 deraadt Exp $	*/
 /*
  * Copyright (c) 2012 Eric Faurot <eric@openbsd.org>
  *
@@ -32,7 +32,7 @@ getaddrinfo(const char *hostname, const char *servname,
 	struct asr_result ar;
 	int		 saved_errno = errno;
 
-	if ((hints->ai_flags & AI_NUMERICHOST) == 0)
+	if (hints && (hints->ai_flags & AI_NUMERICHOST) == 0)
 		res_init();
 
 	as = getaddrinfo_async(hostname, servname, hints, NULL);
diff --git a/lib/libc/asr/getaddrinfo_async.c b/lib/libc/asr/getaddrinfo_async.c
index 4362da51514..0a411adac63 100644
--- a/lib/libc/asr/getaddrinfo_async.c
+++ b/lib/libc/asr/getaddrinfo_async.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: getaddrinfo_async.c,v 1.46 2015/10/07 13:59:34 deraadt Exp $	*/
+/*	$OpenBSD: getaddrinfo_async.c,v 1.47 2015/10/08 13:55:56 deraadt Exp $	*/
 /*
  * Copyright (c) 2012 Eric Faurot <eric@openbsd.org>
  *
@@ -88,7 +88,7 @@ getaddrinfo_async(const char *hostname, const char *servname,
 	struct asr_query	*as;
 	char			 alias[MAXDNAME];
 
-	if ((hints->ai_flags & AI_NUMERICHOST) == 0)
+	if (hints && (hints->ai_flags & AI_NUMERICHOST) == 0)
 		ac = _asr_use_resolver(asr);
 	else
 		ac = _asr_no_resolver();