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unpkg: Fix buffer size checks

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Megamouse
2026-08-19 23:30:34 +02:00
parent d12d8782af
commit c122edd638
1 changed files with 7 additions and 3 deletions
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rpcs3/Crypto/unpkg.cpp
+7 -3
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@@ -1216,10 +1216,14 @@ void package_reader::extract_worker()
while (read_size < size)
{
const u64 block_size = std::min<u64>(BUF_SIZE, size - read_size);
const u64 available_buffer_size = buffer.size() - read_size;
u64 available_buffer_size = original_size - read_size;
if (buffer.data() == ptr)
{
available_buffer_size = buffer.size() - read_size;
ensure(buffer.size() == original_size + BUF_PADDING);
}
ensure(buffer.data() == ptr);
ensure(buffer.size() == original_size + BUF_PADDING);
ensure(available_buffer_size >= block_size);
const usz advance_size = decrypt(entry.file_offset + pos, block_size, is_psp ? PKG_AES_KEY2 : m_dec_key.data(), std::span<u8>{static_cast<u8*>(ptr) + read_size, available_buffer_size});