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Restrict NtAllocateVirtualMemory only to virtual memory range

This commit is contained in:
Gliniak 2020-08-04 15:26:04 +02:00
parent 90d1772c4a
commit 760b5b3cf0
1 changed files with 8 additions and 0 deletions
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8
src/xenia/kernel/xboxkrnl/xboxkrnl_memory.cc
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@ -96,6 +96,14 @@ dword_result_t NtAllocateVirtualMemory(lpdword_t base_addr_ptr,
XELOGW("Game setting EXECUTE bit on allocation");
}
// Tried to allocate virtual over xex or physical range
if (*base_addr_ptr >= 0x80000000) {
XELOGE(
"NtAllocateVirtualMemory tried to allocate memory over xex or physical "
"range");
return X_STATUS_INVALID_PARAMETER;
}
uint32_t page_size;
if (*base_addr_ptr != 0) {
// ignore specified page size when base address is specified.