From: Pauli <paul.dale@oracle.com>
Date: Wed, 11 Dec 2019 21:34:22 +0000 (+1000)
Subject: mac siphash: add missing NULL check on context creation
X-Git-Tag: openssl-3.0.0-alpha1~823
X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff_plain;h=41a6d557b9e97b71fd178c92981a811face409fb

mac siphash: add missing NULL check on context creation

Bug reported by Kihong Heo.

Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/10613)
---

diff --git a/providers/implementations/macs/siphash_prov.c b/providers/implementations/macs/siphash_prov.c
index d1cb5cf1e7..e82f94ce7b 100644
--- a/providers/implementations/macs/siphash_prov.c
+++ b/providers/implementations/macs/siphash_prov.c
@@ -51,7 +51,8 @@ static void *siphash_new(void *provctx)
 {
     struct siphash_data_st *ctx = OPENSSL_zalloc(sizeof(*ctx));
 
-    ctx->provctx = provctx;
+    if (ctx != NULL)
+        ctx->provctx = provctx;
     return ctx;
 }