From 96e7ac3500ea28760ead00cbdd9efcf0ceef8738 Mon Sep 17 00:00:00 2001
From: lanming <lanming@huawei.com>
Date: Thu, 10 Jul 2025 10:20:05 +0800
Subject: [PATCH] Raise PROV_R_NULL_OUTPUT_BUFFER if shsec is NULL in
 ml_kem_encapsulate()

Signed-off-by: lanming <lanming@huawei.com>

Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Paul Dale <ppzgs1@gmail.com>
(Merged from https://github.com/openssl/openssl/pull/28009)

(cherry picked from commit 5d0c6c52e722f37f0254f8d5bfaf9b5c6b0df68b)
---
 providers/implementations/kem/ml_kem_kem.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/providers/implementations/kem/ml_kem_kem.c b/providers/implementations/kem/ml_kem_kem.c
index ac798cb4b6b..27aa3b81983 100644
--- a/providers/implementations/kem/ml_kem_kem.c
+++ b/providers/implementations/kem/ml_kem_kem.c
@@ -171,7 +171,7 @@ static int ml_kem_encapsulate(void *vctx, unsigned char *ctext, size_t *clen,
         return 1;
     }
     if (shsec == NULL) {
-        ERR_raise_data(ERR_LIB_PROV, PROV_R_OUTPUT_BUFFER_TOO_SMALL,
+        ERR_raise_data(ERR_LIB_PROV, PROV_R_NULL_OUTPUT_BUFFER,
                        "NULL shared-secret buffer");
         goto end;
     }
-- 
2.47.2