| 2 | #include "util.h" |
| 3 | |
| 4 | NTSTATUS NullPageFrameNumbersFromMdl(PMDL mdl) |
| 5 | { |
| 6 | PPFN_NUMBER mdl_pages = MmGetMdlPfnArray(mdl); |
| 7 | if (!mdl_pages) { return STATUS_UNSUCCESSFUL; } |
| 8 | |
| 9 | ULONG mdl_page_count = ADDRESS_AND_SIZE_TO_SPAN_PAGES(MmGetMdlVirtualAddress(mdl), MmGetMdlByteCount(mdl)); |
| 10 | |
| 11 | ULONG null_pfn = 0x0; |
| 12 | MM_COPY_ADDRESS source_address = { 0 }; |
| 13 | source_address.VirtualAddress = &null_pfn; |
| 14 | |
| 15 | for (ULONG i = 0; i < mdl_page_count; i++) |
| 16 | { |
| 17 | size_t bytes = 0; |
| 18 | MmCopyMemory(&mdl_pages[i], source_address, sizeof(ULONG), MM_COPY_MEMORY_VIRTUAL, &bytes); |
| 19 | } |
| 20 | return STATUS_SUCCESS; |
| 21 | } |
| 22 | |
| 23 | NTSTATUS Cleaning::NullPageFrameNumbers(uint64_t start, uint32_t size) |
| 24 | { |
no outgoing calls
no test coverage detected