mirror of https://github.com/acidanthera/audk.git
BMP file may has padding data between the bmp header section and the bmp data section, but current code logic not consider this case, so the check is not valid for some bmp file. Refine the logic for this case.
Signed-off-by: Eric Dong <eric.dong@intel.com> Reviewed-by: Liming Gao <liming.gao@intel.com> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14142 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
parent
6de4c35f99
commit
b5ded3c4f0
|
@ -1,7 +1,7 @@
|
|||
/** @file
|
||||
BDS Lib functions which contain all the code to connect console device
|
||||
|
||||
Copyright (c) 2004 - 2012, Intel Corporation. All rights reserved.<BR>
|
||||
Copyright (c) 2004 - 2013, Intel Corporation. All rights reserved.<BR>
|
||||
This program and the accompanying materials
|
||||
are licensed and made available under the terms and conditions of the BSD License
|
||||
which accompanies this distribution. The full text of the license may be found at
|
||||
|
@ -808,7 +808,10 @@ ConvertBmpToGopBlt (
|
|||
ColorMapNum = 0;
|
||||
break;
|
||||
}
|
||||
if (BmpHeader->ImageOffset - sizeof (BMP_IMAGE_HEADER) != sizeof (BMP_COLOR_MAP) * ColorMapNum) {
|
||||
//
|
||||
// BMP file may has padding data between the bmp header section and the bmp data section.
|
||||
//
|
||||
if (BmpHeader->ImageOffset - sizeof (BMP_IMAGE_HEADER) < sizeof (BMP_COLOR_MAP) * ColorMapNum) {
|
||||
return EFI_INVALID_PARAMETER;
|
||||
}
|
||||
}
|
||||
|
|
Loading…
Reference in New Issue