From c269da78697e18af4d11659931d010f6de2dbc85 Mon Sep 17 00:00:00 2001
From: Stefan Berger <stefanb@linux.ibm.com>
Date: Wed, 25 May 2022 15:34:57 -0400
Subject: [PATCH] swtpm_cert: Test for NULL pointer returned by malloc

Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
---
 src/swtpm_cert/ek-cert.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/swtpm_cert/ek-cert.c b/src/swtpm_cert/ek-cert.c
index b66e1a4..eec5c70 100644
--- a/src/swtpm_cert/ek-cert.c
+++ b/src/swtpm_cert/ek-cert.c
@@ -197,6 +197,10 @@ hex_str_to_bin(const char *hexstr, int *modulus_len)
     }
 
     result = malloc(len / 2);
+    if (result == NULL) {
+        fprintf(stderr, "Out of memory tring to allocated %d bytes.", len / 2);
+        return NULL;
+    }
     i = 0;
     j = 0;