Module: vkd3d Branch: master Commit: 2d8e2fbe8699e96c5596fe44204b60ace363a0f8 URL: https://source.winehq.org/git/vkd3d.git/?a=commit;h=2d8e2fbe8699e96c5596fe44...
Author: Henri Verbeet hverbeet@codeweavers.com Date: Mon Jan 15 20:07:24 2018 +0330
libs/vkd3d-shader: Validate the DXBC version.
Signed-off-by: Henri Verbeet hverbeet@codeweavers.com Signed-off-by: Józef Kucia jkucia@codeweavers.com Signed-off-by: Alexandre Julliard julliard@winehq.org
---
libs/vkd3d-shader/dxbc.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/libs/vkd3d-shader/dxbc.c b/libs/vkd3d-shader/dxbc.c index 6aa2ffa..331b619 100644 --- a/libs/vkd3d-shader/dxbc.c +++ b/libs/vkd3d-shader/dxbc.c @@ -1814,6 +1814,7 @@ static HRESULT parse_dxbc(const char *data, SIZE_T data_size, DWORD chunk_count; DWORD total_size; unsigned int i; + DWORD version; DWORD tag;
read_dword(&ptr, &tag); @@ -1828,7 +1829,13 @@ static HRESULT parse_dxbc(const char *data, SIZE_T data_size, WARN("Ignoring DXBC checksum.\n"); skip_dword_unknown(&ptr, 4);
- skip_dword_unknown(&ptr, 1); /* It seems to always be 0x00000001. */ + read_dword(&ptr, &version); + TRACE("version: %#x.\n", version); + if (version != 0x00000001) + { + WARN("Got unexpected DXBC version %#x.\n", version); + return E_INVALIDARG; + }
read_dword(&ptr, &total_size); TRACE("total size: %#x\n", total_size);