From: Tomas Mraz <tmraz@fedoraproject.org>
Date: Wed, 13 Nov 2019 10:04:08 +0000 (+0100)
Subject: krb5kdf: Do not dereference NULL ctx when allocation fails
X-Git-Tag: openssl-3.0.0-alpha11~22
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=5764c3522c417fc775a78df4529e7a6f93379de8;p=thirdparty%2Fopenssl.git

krb5kdf: Do not dereference NULL ctx when allocation fails

Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/13953)
---

diff --git a/providers/implementations/kdfs/krb5kdf.c b/providers/implementations/kdfs/krb5kdf.c
index cdf8a154157..c719dbf2597 100644
--- a/providers/implementations/kdfs/krb5kdf.c
+++ b/providers/implementations/kdfs/krb5kdf.c
@@ -63,8 +63,10 @@ static void *krb5kdf_new(void *provctx)
     if (!ossl_prov_is_running())
         return NULL;
 
-    if ((ctx = OPENSSL_zalloc(sizeof(*ctx))) == NULL)
+    if ((ctx = OPENSSL_zalloc(sizeof(*ctx))) == NULL) {
         ERR_raise(ERR_LIB_PROV, ERR_R_MALLOC_FAILURE);
+        return NULL;
+    }
     ctx->provctx = provctx;
     return ctx;
 }