From: Jiasheng Jiang <jiashengjiangcool@gmail.com>
Date: Wed, 25 Jun 2025 23:06:59 +0000 (+0000)
Subject: demos/cms/cms_denc.c: Add check for BIO_new_file()
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cce4d5eb5b7f29d4e79392c1cae0eaef643628a0;p=thirdparty%2Fopenssl.git

demos/cms/cms_denc.c: Add check for BIO_new_file()

Add check for the return value of BIO_new_file().

Fixes: 1728756 ("Detached encrypt/decrypt example, fix decrypt sample.")
Signed-off-by: Jiasheng Jiang <jiashengjiangcool@gmail.com>

Reviewed-by: Paul Dale <ppzgs1@gmail.com>
Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/27897)

(cherry picked from commit 881ff0c225356a0f28bd55cea5a4c5204b7b7b8a)
---

diff --git a/demos/cms/cms_denc.c b/demos/cms/cms_denc.c
index 53b680f6748..41575b0223a 100644
--- a/demos/cms/cms_denc.c
+++ b/demos/cms/cms_denc.c
@@ -57,7 +57,7 @@ int main(int argc, char **argv)
 
     dout = BIO_new_file("smencr.out", "wb");
 
-    if (!in)
+    if (in == NULL || dout == NULL)
         goto err;
 
     /* encrypt content */