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| author | Rozlette <Uberpanzermensch@gmail.com> | 2018-01-20 14:56:15 -0600 |
|---|---|---|
| committer | Rozlette <Uberpanzermensch@gmail.com> | 2018-01-20 14:56:15 -0600 |
| commit | de7aa3106adcdc14ed5e09c653133115a83e512a (patch) | |
| tree | 839f7e9c5c07f73b2eac85b5dcc4b4ab75f68796 /src/core/memory.cpp | |
| parent | c8a094e164b77fdae6b4b8bff7f94b703c24c161 (diff) | |
memory: Return false for large VAddr in IsValidVirtualAddress
Diffstat (limited to 'src/core/memory.cpp')
| -rw-r--r-- | src/core/memory.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/core/memory.cpp b/src/core/memory.cpp index 74a598852..a3d2d4951 100644 --- a/src/core/memory.cpp +++ b/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; |