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memory: Return false for large VAddr in IsValidVirtualAddress

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This commit is contained in:
Rozlette 2018-01-20 14:56:15 -06:00
parent c8a094e164
commit de7aa3106a
1 changed files with 3 additions and 0 deletions

3
src/core/memory.cpp

@ -219,6 +219,9 @@ void Write(const VAddr vaddr, const T data) {
bool IsValidVirtualAddress(const Kernel::Process& process, const VAddr vaddr) {
auto& page_table = process.vm_manager.page_table;
if ((vaddr >> PAGE_BITS) >= PAGE_TABLE_NUM_ENTRIES)
return false;
const u8* page_pointer = page_table.pointers[vaddr >> PAGE_BITS];
if (page_pointer)
return true;