diff --git a/sys/vm/vm_map.c b/sys/vm/vm_map.c
--- a/sys/vm/vm_map.c
+++ b/sys/vm/vm_map.c
@@ -2093,6 +2093,7 @@
 	    vm_size_t length, vm_offset_t max_addr, int find_space,
 	    vm_prot_t prot, vm_prot_t max, int cow)
 {
+	vm_map_entry_t entry;
 	vm_offset_t alignment, curr_min_addr, min_addr;
 	int gap, pidx, rv, try;
 	bool cluster, en_aslr, update_anon;
@@ -2127,6 +2128,8 @@
 		curr_min_addr = map->anon_loc;
 		if (curr_min_addr == 0)
 			cluster = false;
+		else if (!vm_map_lookup_entry(map, curr_min_addr, &entry))
+			curr_min_addr = entry->end;
 	}
 	if (find_space != VMFS_NO_SPACE) {
 		KASSERT(find_space == VMFS_ANY_SPACE ||