D22683.diff
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	Index: head/sys/vm/vm_map.c
	===================================================================
	--- head/sys/vm/vm_map.c
	+++ head/sys/vm/vm_map.c
	@@ -4687,7 +4687,7 @@
	vm_map_entry_t entry;
	vm_map_t map = *var_map;
	vm_prot_t prot;
	- vm_prot_t fault_type = fault_typea;
	+ vm_prot_t fault_type;
	vm_object_t eobject;
	vm_size_t size;
	struct ucred *cred;
	@@ -4731,7 +4731,7 @@
	vm_map_growstack(map, vaddr, entry) == KERN_SUCCESS)
	goto RetryLookupLocked;
	}
	- fault_type &= VM_PROT_READ \| VM_PROT_WRITE \| VM_PROT_EXECUTE;
	+ fault_type = fault_typea & VM_PROT_ALL;
	if ((fault_type & prot) != fault_type \|\| prot == VM_PROT_NONE) {
	vm_map_unlock_read(map);
	return (KERN_PROTECTION_FAILURE);