D31295.diff
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	diff --git a/sys/amd64/amd64/pmap.c b/sys/amd64/amd64/pmap.c
	--- a/sys/amd64/amd64/pmap.c
	+++ b/sys/amd64/amd64/pmap.c
	@@ -11321,7 +11321,7 @@
	m = pmap_kasan_enter_alloc_2m();
	if (m != NULL) {
	*pde = (pd_entry_t)(VM_PAGE_TO_PHYS(m) \| X86_PG_RW \|
	- X86_PG_PS \| X86_PG_V \| pg_nx);
	+ X86_PG_PS \| X86_PG_V \| X86_PG_A \| X86_PG_M \| pg_nx);
	} else {
	m = pmap_kasan_enter_alloc_4k();
	*pde = (pd_entry_t)(VM_PAGE_TO_PHYS(m) \| X86_PG_RW \|
	@@ -11333,8 +11333,6 @@
	pte = pmap_pde_to_pte(pde, va);
	if ((*pte & X86_PG_V) != 0)
	return;
	- KASSERT((*pte & X86_PG_V) == 0,
	- ("%s: shadow address %#lx is already mapped", __func__, va));
	m = pmap_kasan_enter_alloc_4k();
	*pte = (pt_entry_t)(VM_PAGE_TO_PHYS(m) \| X86_PG_RW \| X86_PG_V \|
	X86_PG_M \| X86_PG_A \| pg_nx);