1 files changed, 5 insertions, 1 deletions
diff --git a/providers/implementations/storemgmt/file_store_der2obj.c b/providers/implementations/storemgmt/file_store_der2obj.c
index 74a18eb70b..d34e90540d 100644
--- a/providers/implementations/storemgmt/file_store_der2obj.c
+++ b/providers/implementations/storemgmt/file_store_der2obj.c
@@ -85,10 +85,13 @@ static int der2obj_decode(void *provctx, OSSL_CORE_BIO *cin, int selection,
      * We're called from file_store.c, so we know that OSSL_CORE_BIO is a
      * BIO in this case.
      */
-    BIO *in = (BIO *)cin;
+    BIO *in = bio_new_from_core_bio(provctx, cin);
     BUF_MEM *mem = NULL;
     int err, ok;
 
+    if (in == NULL)
+        return 0;
+
     ERR_set_mark();
     ok = (asn1_d2i_read_bio(in, &mem) >= 0);
     /*
@@ -117,6 +120,7 @@ static int der2obj_decode(void *provctx, OSSL_CORE_BIO *cin, int selection,
         OPENSSL_free(mem->data);
         OPENSSL_free(mem);
     }
+    BIO_free(in);
     return ok;
 }