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Fix FfsParser issues found by fuzzing

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Resolve alignment issue with guidToUstring
This commit is contained in:
Nikolaj Schlej 2023-02-26 14:28:23 -08:00
parent 75bf036137
commit b8567d32cc
8 changed files with 81 additions and 64 deletions
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4
UEFIFind/uefifind.cpp
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@ -136,12 +136,12 @@ USTATUS UEFIFind::find(const UINT8 mode, const bool count, const UString & hexPa
std::pair<UModelIndex, UModelIndex> indexes = *citer;
if (!model->hasEmptyHeader(indexes.first))
data = model->header(indexes.first).left(16);
result += guidToUString(readUnaligned((const EFI_GUID*)data.constData()));
result += guidToUString(data.constData());
// Special case of freeform subtype GUID files
if (indexes.second.isValid() && model->subtype(indexes.second) == EFI_SECTION_FREEFORM_SUBTYPE_GUID) {
data = model->header(indexes.second);
result += UString(" ") + (guidToUString(readUnaligned((const EFI_GUID*)(data.constData() + sizeof(EFI_COMMON_SECTION_HEADER)))));
result += UString(" ") + (guidToUString(data.constData() + sizeof(EFI_COMMON_SECTION_HEADER)));
}
result += UString("\n");