From 51c2542631688c0de24cdcf44e7da9963b7cfb2c Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Rico=20Sch=C3=BCller?= Date: Mon, 19 Jul 2010 21:48:41 +0200 Subject: [PATCH] d3d10: Add data and size check to parse_dxbc(). --- dlls/d3d10/utils.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/dlls/d3d10/utils.c b/dlls/d3d10/utils.c index 633d411c568..a3f761ec7e8 100644 --- a/dlls/d3d10/utils.c +++ b/dlls/d3d10/utils.c @@ -141,6 +141,12 @@ HRESULT parse_dxbc(const char *data, SIZE_T data_size, unsigned int i; DWORD tag; + if (!data) + { + WARN("No data supplied.\n"); + return E_FAIL; + } + read_dword(&ptr, &tag); TRACE("tag: %s.\n", debugstr_an((const char *)&tag, 4)); @@ -158,6 +164,12 @@ HRESULT parse_dxbc(const char *data, SIZE_T data_size, read_dword(&ptr, &total_size); TRACE("total size: %#x\n", total_size); + if (data_size != total_size) + { + WARN("Wrong size supplied.\n"); + return E_FAIL; + } + read_dword(&ptr, &chunk_count); TRACE("chunk count: %#x\n", chunk_count);