Ensure every page in a bad memory region is marked as bad

2026-01-06 14:05:09 +01:00
parent 9027632c4f
commit 36e53bfc8c
2 changed files with 12 additions and 4 deletions
--- a/xtoskrnl/mm/amd64/pfn.cc
+++ b/xtoskrnl/mm/amd64/pfn.cc
@@ -213,8 +213,12 @@ MM::Pfn::ProcessMemoryDescriptor(IN PFN_NUMBER BasePage,
        switch(MemoryType)
        {
            case LoaderBad:
-                /* This memory is marked as bad and should not be used, add it to the bad pages list */
-                LinkPage(&BadPagesList, BasePage);
+                /* This memory is marked as bad and should not be used */
+                for(PageNumber = 0; PageNumber < PageCount; PageNumber++)
+                {
+                    /* Link the page to the bad pages list */
+                    LinkPage(&BadPagesList, BasePage + PageNumber);
+                }
                break;
            case LoaderXIPRom:
                /* This memory range contains Read-Only Memory (ROM) */