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Kernel.Vmm: Proper address checking in QueryProtection (#4286)

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Stephen Miller 2026-04-19 16:20:14 -05:00 committed by GitHub
parent 0bdc2020b4
commit 9af4aa2e25
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1 changed files with 5 additions and 1 deletions
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6
src/core/memory.cpp
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@ -951,7 +951,11 @@ s32 MemoryManager::UnmapMemoryImpl(VAddr virtual_addr, u64 size) {
s32 MemoryManager::QueryProtection(VAddr addr, void** start, void** end, u32* prot) {
std::shared_lock lk{mutex};
ASSERT_MSG(IsValidMapping(addr), "Attempted to access invalid address {:#x}", addr);
VAddr min_query_addr = impl.SystemManagedVirtualBase();
if (addr < min_query_addr) {
LOG_ERROR(Kernel_Vmm, "Address {:#x} is not mapped", addr);
return ORBIS_KERNEL_ERROR_EACCES;
}
const auto it = FindVMA(addr);
const auto& vma = it->second;