From: Mark Andrews <marka@isc.org>
Date: Thu, 29 Nov 2012 13:51:17 +0000 (+1100)
Subject: null pointer derefernce on out of memory
X-Git-Tag: v9.10.0a1~689
X-Git-Url: http://git.ipfire.org/gitweb/?a=commitdiff_plain;h=22f3afddd213e524b0b03c776f496b05ccc924d7;p=thirdparty%2Fbind9.git

null pointer derefernce on out of memory
---

diff --git a/lib/dns/rbtdb.c b/lib/dns/rbtdb.c
index f2ad8c75bc1..a2521f4a39b 100644
--- a/lib/dns/rbtdb.c
+++ b/lib/dns/rbtdb.c
@@ -6529,7 +6529,8 @@ addclosest(dns_rbtdb_t *rbtdb, rdatasetheader_t *newheader,
  cleanup:
 	dns_rdataset_disassociate(&neg);
 	dns_rdataset_disassociate(&negsig);
-	free_noqname(mctx, &closest);
+	if (closest != NULL)
+		free_noqname(mctx, &closest);
 	return(result);
 }