From 2c49f044110d1279107835b210c3bf5b449b8f14 Mon Sep 17 00:00:00 2001
From: Nikolay Sivov <nsivov@codeweavers.com>
Date: Thu, 24 Jul 2025 20:56:42 +0200
Subject: [PATCH] vkd3d-shader/fx: Do not attempt to parse expressions without
 code section.

---
 libs/vkd3d-shader/fx.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/libs/vkd3d-shader/fx.c b/libs/vkd3d-shader/fx.c
index 3503d67c6..5b776108c 100644
--- a/libs/vkd3d-shader/fx.c
+++ b/libs/vkd3d-shader/fx.c
@@ -5192,6 +5192,12 @@ static void fx_2_parse_fxlvm_expression(struct fx_parser *parser, const uint32_t
     code.ptr = find_d3dbc_section(blob, count, TAG_FXLC, &count);
     code.end = code.ptr + count;
 
+    if (!code.ptr)
+    {
+        fx_parser_error(parser, VKD3D_SHADER_ERROR_FX_INVALID_DATA, "Failed to locate expression code section.");
+        return;
+    }
+
     fx_parse_fxlvm_expression(parser, &code);
 }