diff options
| author | ydong10 <ydong10@6f19259b-4bc3-4df7-8a09-765794883524> | 2012-11-26 01:53:31 +0000 |
|---|---|---|
| committer | ydong10 <ydong10@6f19259b-4bc3-4df7-8a09-765794883524> | 2012-11-26 01:53:31 +0000 |
| commit | 36b48bf6416350af9912b451fbf91f4c83b0fd62 (patch) | |
| tree | 2c846ce6e172dd6582587f6a0812018a58bc53b7 /MdePkg | |
| parent | 6c2f76ed70120e7ecd1b01f78f8996a5c75550b8 (diff) | |
| download | edk2-platforms-36b48bf6416350af9912b451fbf91f4c83b0fd62.tar.xz | |
Enhance the check for debug data before get the PdbPointer.
Signed-off-by: Dong Eric <eric.dong@intel.com>
Reviewed-by: Ye Ting <ting.ye@intel.com>
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13961 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdePkg')
| -rw-r--r-- | MdePkg/Library/BasePeCoffLib/BasePeCoff.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/MdePkg/Library/BasePeCoffLib/BasePeCoff.c b/MdePkg/Library/BasePeCoffLib/BasePeCoff.c index c404054045..27b130d42e 100644 --- a/MdePkg/Library/BasePeCoffLib/BasePeCoff.c +++ b/MdePkg/Library/BasePeCoffLib/BasePeCoff.c @@ -631,6 +631,12 @@ PeCoffLoaderGetImageInfo ( }
return Status;
}
+
+ //
+ // From PeCoff spec, when DebugEntry.RVA == 0 means this debug info will not load into memory.
+ // Here we will always load EFI_IMAGE_DEBUG_TYPE_CODEVIEW type debug info. so need adjust the
+ // ImageContext->ImageSize when DebugEntry.RVA == 0.
+ //
if (DebugEntry.Type == EFI_IMAGE_DEBUG_TYPE_CODEVIEW) {
ImageContext->DebugDirectoryEntryRva = (UINT32) (DebugDirectoryEntryRva + Index);
if (DebugEntry.RVA == 0 && DebugEntry.FileOffset != 0) {
@@ -1437,14 +1443,26 @@ PeCoffLoaderLoadImage ( switch (*(UINT32 *) ImageContext->CodeView) {
case CODEVIEW_SIGNATURE_NB10:
+ if (DebugEntry->SizeOfData < sizeof (EFI_IMAGE_DEBUG_CODEVIEW_NB10_ENTRY)) {
+ ImageContext->ImageError = IMAGE_ERROR_UNSUPPORTED;
+ return RETURN_UNSUPPORTED;
+ }
ImageContext->PdbPointer = (CHAR8 *)ImageContext->CodeView + sizeof (EFI_IMAGE_DEBUG_CODEVIEW_NB10_ENTRY);
break;
case CODEVIEW_SIGNATURE_RSDS:
+ if (DebugEntry->SizeOfData < sizeof (EFI_IMAGE_DEBUG_CODEVIEW_RSDS_ENTRY)) {
+ ImageContext->ImageError = IMAGE_ERROR_UNSUPPORTED;
+ return RETURN_UNSUPPORTED;
+ }
ImageContext->PdbPointer = (CHAR8 *)ImageContext->CodeView + sizeof (EFI_IMAGE_DEBUG_CODEVIEW_RSDS_ENTRY);
break;
case CODEVIEW_SIGNATURE_MTOC:
+ if (DebugEntry->SizeOfData < sizeof (EFI_IMAGE_DEBUG_CODEVIEW_MTOC_ENTRY)) {
+ ImageContext->ImageError = IMAGE_ERROR_UNSUPPORTED;
+ return RETURN_UNSUPPORTED;
+ }
ImageContext->PdbPointer = (CHAR8 *)ImageContext->CodeView + sizeof (EFI_IMAGE_DEBUG_CODEVIEW_MTOC_ENTRY);
break;
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