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Merge pull request #120 from Rozelette/master

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memory: Return false for large VAddr in IsValidVirtualAddress
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bunnei 2018-01-20 17:37:55 -05:00 committed by GitHub
commit 6cccbf0eb3
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1 changed files with 3 additions and 0 deletions
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3
src/core/memory.cpp
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@ -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;