From 4185261efce35a08a581f7ba62bf3ee1a4fdfea7 Mon Sep 17 00:00:00 2001
From: Frederik Wedel-Heinen <frederik.wedel-heinen@dencrypt.dk>
Date: Fri, 2 Jan 2026 18:36:39 +0100
Subject: [PATCH] Fix possible null pointer dereference.

Reviewed-by: Neil Horman <nhorman@openssl.org>
Reviewed-by: Dmitry Belyavskiy <beldmit@gmail.com>
(Merged from https://github.com/openssl/openssl/pull/29537)
---
 test/tls-provider.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/test/tls-provider.c b/test/tls-provider.c
index bbc3168941..0a9da8ae86 100644
--- a/test/tls-provider.c
+++ b/test/tls-provider.c
@@ -3227,6 +3227,11 @@ int tls_provider_init(const OSSL_CORE_HANDLE *handle,
         }
     }
 
+    if (c_obj_create == NULL || c_obj_add_sigid == NULL) {
+        ERR_raise(ERR_LIB_USER, XORPROV_R_OBJ_CREATE_ERR);
+        goto err;
+    }
+
     /*
      * Register algorithms manually as add_provider_sigalgs is
      * only called during session establishment -- too late for