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[Kernel/Memory] Added check for providing region_size value

This commit is contained in:
Gliniak 2020-09-20 19:35:01 +02:00
parent 422e3cd523
commit fc15a0a0dc
1 changed files with 12 additions and 0 deletions
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12
src/xenia/kernel/xboxkrnl/xboxkrnl_memory.cc
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@ -101,6 +101,10 @@ dword_result_t NtAllocateVirtualMemory(lpdword_t base_addr_ptr,
if (*base_addr_ptr != 0) {
// ignore specified page size when base address is specified.
auto heap = kernel_memory()->LookupHeap(*base_addr_ptr);
if (heap->page_size == 0x1000 && !*region_size_ptr) {
return X_STATUS_INVALID_PARAMETER;
}
if (heap->heap_type() != HeapType::kGuestVirtual) {
return X_STATUS_INVALID_PARAMETER;
}
@ -195,6 +199,10 @@ dword_result_t NtProtectVirtualMemory(lpdword_t base_addr_ptr,
}
auto heap = kernel_memory()->LookupHeap(*base_addr_ptr);
if (heap->page_size == 0x1000 && !*region_size_ptr) {
return X_STATUS_INVALID_PARAMETER;
}
if (heap->heap_type() != HeapType::kGuestVirtual) {
return X_STATUS_INVALID_PARAMETER;
}
@ -245,6 +253,10 @@ dword_result_t NtFreeVirtualMemory(lpdword_t base_addr_ptr,
}
auto heap = kernel_state()->memory()->LookupHeap(base_addr_value);
if (heap->page_size == 0x1000 && !*region_size_ptr) {
return X_STATUS_INVALID_PARAMETER;
}
if (heap->heap_type() != HeapType::kGuestVirtual) {
return X_STATUS_INVALID_PARAMETER;
}