From: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Date: Mon, 21 Feb 2022 02:10:23 +0000 (+0800)
Subject: fuzz/fuzz_rand.c: Add check for OSSL_LIB_CTX_new
X-Git-Tag: openssl-3.2.0-alpha1~2905
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=885d97fbf84fb9de7548a5f6d4e90798f719022a;p=thirdparty%2Fopenssl.git

fuzz/fuzz_rand.c: Add check for OSSL_LIB_CTX_new

As the potential failure of the OPENSSL_zalloc(), the OSSL_LIB_CTX_new()
could return NULL.
Therefore, it should be better to check it and return error if fails in
order to guarantee the success of the initialization.

Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>

Reviewed-by: Paul Dale <pauli@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/17738)
---

diff --git a/fuzz/fuzz_rand.c b/fuzz/fuzz_rand.c
index 5bd343d8ae9..d71dfd7a3c6 100644
--- a/fuzz/fuzz_rand.c
+++ b/fuzz/fuzz_rand.c
@@ -146,6 +146,8 @@ static int fuzz_rand_provider_init(const OSSL_CORE_HANDLE *handle,
                                    const OSSL_DISPATCH **out, void **provctx)
 {
     *provctx = OSSL_LIB_CTX_new();
+    if (*provctx == NULL)
+        return 0;
     *out = fuzz_rand_method;
     return 1;
 }