From: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Date: Thu, 10 Aug 2023 02:26:11 +0000 (+1200)
Subject: lib/util: strhex_to_data_blob checks talloc
X-Git-Tag: tevent-0.16.0~828
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=4504324ea4c8d9c2f29bc64479221b87837da4ce;p=thirdparty%2Fsamba.git

lib/util: strhex_to_data_blob checks talloc

Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
---

diff --git a/lib/util/util.c b/lib/util/util.c
index b35ba115a7a..9d935d5f192 100644
--- a/lib/util/util.c
+++ b/lib/util/util.c
@@ -1006,7 +1006,10 @@ _PUBLIC_ size_t strhex_to_str(char *p, size_t p_len, const char *strhex, size_t
 _PUBLIC_ DATA_BLOB strhex_to_data_blob(TALLOC_CTX *mem_ctx, const char *strhex)
 {
 	DATA_BLOB ret_blob = data_blob_talloc(mem_ctx, NULL, strlen(strhex)/2+1);
-
+	if (ret_blob.data == NULL) {
+		/* ret_blob.length is already 0 */
+		return ret_blob;
+	}
 	ret_blob.length = strhex_to_str((char *)ret_blob.data, ret_blob.length,
 					strhex,
 					strlen(strhex));