From 541d4f19957727d331c2e4353a26841f5d1fe32d Mon Sep 17 00:00:00 2001
From: Tomas Mraz <tomas@openssl.org>
Date: Thu, 10 Jun 2021 16:55:37 +0200
Subject: fuzz/asn1parse: Use BIO_s_mem() as fallback output

/dev/null is not available everywhere.

Reviewed-by: Paul Dale <pauli@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/15672)
---
 fuzz/asn1parse.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'fuzz')

diff --git a/fuzz/asn1parse.c b/fuzz/asn1parse.c
index ac888e535a..72b0df8a46 100644
--- a/fuzz/asn1parse.c
+++ b/fuzz/asn1parse.c
@@ -24,6 +24,8 @@ static BIO *bio_out;
 int FuzzerInitialize(int *argc, char ***argv)
 {
     bio_out = BIO_new_file("/dev/null", "w");
+    if (bio_out == NULL)
+        bio_out = BIO_new(BIO_s_mem());
     OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL);
     ERR_clear_error();
     CRYPTO_free_ex_index(0, -1);
-- 
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