mf/tests: Increase buffer to prevent stack corruption.

init_dmo_media_type_video uses head + extra bytes memory, and with MEDIASUBTYPE_RGB8 the extra bytes are already 1024. This leads to stack corruption.

mf/tests: Increase buffer to prevent stack corruption.
df01ef80 · Fabian Maurer · Alexandre Julliard · 911a0c60 · df01ef80
Commit df01ef80 authored Oct 16, 2023 by Fabian Maurer Committed by Alexandre Julliard Oct 17, 2023
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Showing with 4 additions and 4 deletions

transform.c dlls/mf/tests/transform.c +4 -4

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--- a/dlls/mf/tests/transform.c
+++ b/dlls/mf/tests/transform.c
@@ -1450,7 +1450,7 @@ static void check_dmo_get_output_size_info_video_(int line, IMediaObject *dmo,
 {
    DWORD size, alignment, expected_size;
    DMO_MEDIA_TYPE *type;
-    char buffer[1024];
+    char buffer[2048];
    HRESULT hr;

    type = (void *)buffer;
@@ -6071,7 +6071,7 @@ static void test_wmv_decoder_dmo_input_type(void)
    };

    DMO_MEDIA_TYPE *good_input_type, *bad_input_type, type;
-    char buffer_good_input[1024], buffer_bad_input[1024];
+    char buffer_good_input[2048], buffer_bad_input[2048];
    const GUID *input_subtype = input_subtypes[0];
    LONG width = 16, height = 16;
    VIDEOINFOHEADER *header;
@@ -6326,7 +6326,7 @@ static void test_wmv_decoder_dmo_input_type(void)

 static void test_wmv_decoder_dmo_output_type(void)
 {
-    char buffer_good_output[1024], buffer_bad_output[1024], buffer_input[1024];
+    char buffer_good_output[2048], buffer_bad_output[2048], buffer_input[2048];
    DMO_MEDIA_TYPE *good_output_type, *bad_output_type, *input_type, type;
    const GUID* input_subtype = &MEDIASUBTYPE_WMV1;
    LONG width = 16, height = 16;
@@ -6572,7 +6572,7 @@ static void test_wmv_decoder_media_object(void)
    IMediaObject *media_object;
    DMO_MEDIA_TYPE *type;
    const BYTE *wmv_data;
-    char buffer[1024];
+    char buffer[2048];
    HRESULT hr;
    ULONG ret;