From: Volker Lendecke <vl@samba.org>
Date: Wed, 9 Aug 2017 08:15:27 +0000 (+0200)
Subject: tdb: Consistency check for tdb_storev
X-Git-Url: http://git.samba.org/?p=metze%2Fsamba%2Fwip.git;a=commitdiff_plain;h=5c55c2563d04b563a7fd7027cf3128cb05b34fad

tdb: Consistency check for tdb_storev

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
---

diff --git a/lib/tdb/common/tdb.c b/lib/tdb/common/tdb.c
index a67d8fb50c9b..6beda222a4e3 100644
--- a/lib/tdb/common/tdb.c
+++ b/lib/tdb/common/tdb.c
@@ -541,6 +541,11 @@ static int _tdb_storev(struct tdb_context *tdb, TDB_DATA key,
 	for (i=0; i<num_dbufs; i++) {
 		size_t dsize = dbufs[i].dsize;
 
+		if ((dsize != 0) && (dbufs[i].dptr == NULL)) {
+			tdb->ecode = TDB_ERR_EINVAL;
+			goto fail;
+		}
+
 		dbufs_len += dsize;
 		if (dbufs_len < dsize) {
 			tdb->ecode = TDB_ERR_OOM;