N-archive/suyu
1
0
Fork 0
mirror of https://git.suyu.dev/suyu/suyu.git synced 2024-11-23 07:12:46 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

svc: Check for word alignment of addresses within svcArbitrateLock/svcArbitrateUnlock

Browse source 
The kernel itself checks whether or not the provided addresses are word
aligned before continuing, so we should be doing the same.
This commit is contained in:
Lioncash 2018-10-18 13:01:26 -04:00
parent 541e9624eb
commit 4b5ae8dbaa
1 changed files with 8 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
src/core/hle/kernel/svc.cpp
View file

@ -350,6 +350,10 @@ static ResultCode ArbitrateLock(Handle holding_thread_handle, VAddr mutex_addr,
return ERR_INVALID_ADDRESS_STATE;
}
if (!Common::IsWordAligned(mutex_addr)) {
return ERR_INVALID_ADDRESS;
}
auto& handle_table = Core::System::GetInstance().Kernel().HandleTable();
return Mutex::TryAcquire(handle_table, mutex_addr, holding_thread_handle,
requesting_thread_handle);
@ -363,6 +367,10 @@ static ResultCode ArbitrateUnlock(VAddr mutex_addr) {
return ERR_INVALID_ADDRESS_STATE;
}
if (!Common::IsWordAligned(mutex_addr)) {
return ERR_INVALID_ADDRESS;
}
return Mutex::Release(mutex_addr);
}