svc: Check for word alignment of addresses within svcArbitrateLock/svcArbitrateUnlock
The kernel itself checks whether or not the provided addresses are word aligned before continuing, so we should be doing the same.
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@ -350,6 +350,10 @@ static ResultCode ArbitrateLock(Handle holding_thread_handle, VAddr mutex_addr,
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return ERR_INVALID_ADDRESS_STATE;
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}
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if (!Common::IsWordAligned(mutex_addr)) {
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return ERR_INVALID_ADDRESS;
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}
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auto& handle_table = Core::System::GetInstance().Kernel().HandleTable();
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return Mutex::TryAcquire(handle_table, mutex_addr, holding_thread_handle,
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requesting_thread_handle);
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@ -363,6 +367,10 @@ static ResultCode ArbitrateUnlock(VAddr mutex_addr) {
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return ERR_INVALID_ADDRESS_STATE;
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}
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if (!Common::IsWordAligned(mutex_addr)) {
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return ERR_INVALID_ADDRESS;
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}
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return Mutex::Release(mutex_addr);
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}
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