Index: head/sys/kern/sys_pipe.c
===================================================================
--- head/sys/kern/sys_pipe.c
+++ head/sys/kern/sys_pipe.c
@@ -509,9 +509,8 @@
 	size = round_page(size);
 	buffer = (caddr_t) vm_map_min(pipe_map);
 
-	error = vm_map_find(pipe_map, NULL, 0,
-		(vm_offset_t *) &buffer, size, 0, VMFS_ANY_SPACE,
-		VM_PROT_ALL, VM_PROT_ALL, 0);
+	error = vm_map_find(pipe_map, NULL, 0, (vm_offset_t *)&buffer, size, 0,
+	    VMFS_ANY_SPACE, VM_PROT_RW, VM_PROT_RW, 0);
 	if (error != KERN_SUCCESS) {
 		if ((cpipe->pipe_buffer.buffer == NULL) &&
 			(size > SMALL_PIPE_SIZE)) {
Index: head/sys/vm/vm_kern.c
===================================================================
--- head/sys/vm/vm_kern.c
+++ head/sys/vm/vm_kern.c
@@ -650,8 +650,8 @@
 		map->needs_wakeup = TRUE;
 		vm_map_unlock_and_wait(map, 0);
 	}
-	vm_map_insert(map, NULL, 0, addr, addr + size, VM_PROT_ALL,
-	    VM_PROT_ALL, MAP_ACC_CHARGED);
+	vm_map_insert(map, NULL, 0, addr, addr + size, VM_PROT_RW, VM_PROT_RW,
+	    MAP_ACC_CHARGED);
 	vm_map_unlock(map);
 	return (addr);
 }