diff options
| -rw-r--r-- | IntelFrameworkModulePkg/Library/GenericBdsLib/BdsConsole.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/IntelFrameworkModulePkg/Library/GenericBdsLib/BdsConsole.c b/IntelFrameworkModulePkg/Library/GenericBdsLib/BdsConsole.c index 6f3addb2f2..ef0198df5c 100644 --- a/IntelFrameworkModulePkg/Library/GenericBdsLib/BdsConsole.c +++ b/IntelFrameworkModulePkg/Library/GenericBdsLib/BdsConsole.c @@ -587,7 +587,7 @@ ConvertBmpToGopBlt ( BMP_COLOR_MAP *BmpColorMap;
EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer;
EFI_GRAPHICS_OUTPUT_BLT_PIXEL *Blt;
- UINTN BltBufferSize;
+ UINT64 BltBufferSize;
UINTN Index;
UINTN Height;
UINTN Width;
@@ -623,12 +623,19 @@ ConvertBmpToGopBlt ( // Calculate the BltBuffer needed size.
//
BltBufferSize = BmpHeader->PixelWidth * BmpHeader->PixelHeight * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL);
+ if (BltBufferSize >= SIZE_4GB) {
+ //
+ // If the BMP resolution is too large
+ //
+ return EFI_UNSUPPORTED;
+ }
+
IsAllocated = FALSE;
if (*GopBlt == NULL) {
//
// GopBlt is not allocated by caller.
//
- *GopBltSize = BltBufferSize;
+ *GopBltSize = (UINTN) BltBufferSize;
*GopBlt = AllocatePool (*GopBltSize);
IsAllocated = TRUE;
if (*GopBlt == NULL) {
@@ -639,7 +646,7 @@ ConvertBmpToGopBlt ( // GopBlt has been allocated by caller.
//
if (*GopBltSize < BltBufferSize) {
- *GopBltSize = BltBufferSize;
+ *GopBltSize = (UINTN) BltBufferSize;
return EFI_BUFFER_TOO_SMALL;
}
}
|