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Fix critical memory corruption bug caused by overwriting active page tables marked as free memory

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This commit is contained in:
Aiken Harris
2026-03-15 22:34:58 +01:00
parent 80092a299e
commit 22f9525e92
9 changed files with 289 additions and 156 deletions
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boot/xtldr/includes/xtldr.hh
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@@ -165,6 +165,7 @@ class Memory
OUT PVOID *Memory);
STATIC XTCDECL EFI_STATUS BuildPageMap(IN PXTBL_PAGE_MAPPING PageMap,
IN ULONG_PTR SelfMapAddress);
STATIC XTCDECL EFI_STATUS CommitPageMap(IN PXTBL_PAGE_MAPPING PageMap);
STATIC XTCDECL EFI_STATUS FreePages(IN ULONGLONG NumberOfPages,
IN EFI_PHYSICAL_ADDRESS Memory);
STATIC XTCDECL EFI_STATUS FreePool(IN PVOID Memory);