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HW/CEXIIPL: Respect bounds in LoadFileToIPL().

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This commit is contained in:
Admiral H. Curtiss 2023-12-09 15:42:15 +01:00
commit 7d53916466
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1 changed files with 7 additions and 2 deletions
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9
Source/Core/Core/HW/EXI/EXI_DeviceIPL.cpp
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@ -159,13 +159,18 @@ void CEXIIPL::DoState(PointerWrap& p)
bool CEXIIPL::LoadFileToIPL(const std::string& filename, u32 offset) bool CEXIIPL::LoadFileToIPL(const std::string& filename, u32 offset)
{ {
if (offset >= ROM_SIZE)
return false;
File::IOFile stream(filename, "rb"); File::IOFile stream(filename, "rb");
if (!stream) if (!stream)
return false; return false;
u64 filesize = stream.GetSize(); const u64 filesize = stream.GetSize();
if (offset >= filesize)
return false;
if (!stream.ReadBytes(&m_rom[offset], filesize)) if (!stream.ReadBytes(&m_rom[offset], std::min<u64>(filesize, ROM_SIZE) - offset))
return false; return false;
m_fonts_loaded = true; m_fonts_loaded = true;