From c809ac6677ff2c1852850a8ba62bf7c05d60d040 Mon Sep 17 00:00:00 2001
From: jsing <>
Date: Fri, 13 Mar 2020 15:54:34 +0000
Subject: Ensure that CBB_add_space() always provides zeroed memory.

ok tb@
---
 src/lib/libssl/bs_cbb.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/lib/libssl/bs_cbb.c b/src/lib/libssl/bs_cbb.c
index 16e17fb70f..d11da853cd 100644
--- a/src/lib/libssl/bs_cbb.c
+++ b/src/lib/libssl/bs_cbb.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: bs_cbb.c,v 1.21 2020/03/12 17:17:12 jsing Exp $	*/
+/*	$OpenBSD: bs_cbb.c,v 1.22 2020/03/13 15:54:34 jsing Exp $	*/
 /*
  * Copyright (c) 2014, Google Inc.
  *
@@ -374,6 +374,7 @@ CBB_add_space(CBB *cbb, uint8_t **out_data, size_t len)
 	if (!CBB_flush(cbb) || !cbb_buffer_add(cbb->base, out_data, len))
 		return 0;
 
+	memset(*out_data, 0, len);
 	return 1;
 }
 
-- 
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