From: tb <tb@openbsd.org>
Date: Wed, 6 Sep 2023 15:32:54 +0000 (+0000)
Subject: Avoid use-of-uninitialized in i2r_IPAddrBlocks()
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=d1c8496ffe265a9c009564ca80d00d8ac9e6a8ce;p=openbsd

Avoid use-of-uninitialized in i2r_IPAddrBlocks()

Reported by Viktor Szakats in
https://github.com/libressl/portable/issues/910

ok job
---

diff --git a/lib/libcrypto/x509/x509_addr.c b/lib/libcrypto/x509/x509_addr.c
index 2d8cc0b3180..0506fe3a643 100644
--- a/lib/libcrypto/x509/x509_addr.c
+++ b/lib/libcrypto/x509/x509_addr.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: x509_addr.c,v 1.86 2023/02/16 08:38:17 tb Exp $ */
+/*	$OpenBSD: x509_addr.c,v 1.87 2023/09/06 15:32:54 tb Exp $ */
 /*
  * Contributed to the OpenSSL Project by the American Registry for
  * Internet Numbers ("ARIN").
@@ -413,6 +413,13 @@ IPAddressFamily_afi_safi(const IPAddressFamily *af, uint16_t *out_afi,
 	uint8_t safi = 0;
 	int got_safi = 0;
 
+	if (out_afi != NULL)
+		*out_afi = 0;
+	if (out_safi != NULL) {
+		*out_safi = 0;
+		*safi_is_set = 0;
+	}
+
 	CBS_init(&cbs, af->addressFamily->data, af->addressFamily->length);
 
 	if (!CBS_get_u16(&cbs, &afi))