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Fix possible buffer overflow

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Lauri Kenttä
2017-07-03 20:15:25 +03:00
parent c01cf121a0
commit b3cc80b37b
1 changed files with 3 additions and 1 deletions
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4
src/util.c
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@@ -100,7 +100,9 @@ void* LoadFileWithPadding(EFI_FILE_HANDLE dir, const CHAR16* path, UINTN* size_p
return 0; return 0;
} }
e = handle->Read(handle, &size, data); e = handle->Read(handle, &size, data);
*(UINT32*)((char*)data + size) = 0; for (int i = 0; i < padding; ++i) {
*((char*)data + size + i) = 0;
}
handle->Close(handle); handle->Close(handle);
if (EFI_ERROR(e)) { if (EFI_ERROR(e)) {
FreePool(data); FreePool(data);