CompactionTool fails with NPE when mslab is enabled

hbase org.apache.hadoop.hbase.regionserver.CompactionTool  -major <table-path>

Exception in thread "main" java.lang.NullPointerException
        at org.apache.hadoop.hbase.regionserver.MemStoreLABImpl.recycleChunks(MemStoreLABImpl.java:296)
        at org.apache.hadoop.hbase.regionserver.MemStoreLABImpl.lambda$new$0(MemStoreLABImpl.java:109)
        at org.apache.hadoop.hbase.nio.RefCnt.deallocate(RefCnt.java:95)
        at org.apache.hbase.thirdparty.io.netty.util.AbstractReferenceCounted.handleRelease(AbstractReferenceCounted.java:86)
        at org.apache.hbase.thirdparty.io.netty.util.AbstractReferenceCounted.release(AbstractReferenceCounted.java:76)
        at org.apache.hadoop.hbase.nio.RefCnt.release(RefCnt.java:84)
        at org.apache.hadoop.hbase.regionserver.MemStoreLABImpl.close(MemStoreLABImpl.java:269)
        at org.apache.hadoop.hbase.regionserver.Segment.close(Segment.java:143)
        at org.apache.hadoop.hbase.regionserver.AbstractMemStore.close(AbstractMemStore.java:381)
        at org.apache.hadoop.hbase.regionserver.HStore.closeWithoutLock(HStore.java:723)
        at org.apache.hadoop.hbase.regionserver.HStore.close(HStore.java:795)
        at org.apache.hadoop.hbase.regionserver.CompactionTool$CompactionWorker.compactStoreFiles(CompactionTool.java:171)
        at org.apache.hadoop.hbase.regionserver.CompactionTool$CompactionWorker.compactRegion(CompactionTool.java:137)
        at org.apache.hadoop.hbase.regionserver.CompactionTool$CompactionWorker.compactTable(CompactionTool.java:129)
        at org.apache.hadoop.hbase.regionserver.CompactionTool$CompactionWorker.compact(CompactionTool.java:118)
        at org.apache.hadoop.hbase.regionserver.CompactionTool.doClient(CompactionTool.java:374)
        at org.apache.hadoop.hbase.regionserver.CompactionTool.run(CompactionTool.java:424)
        at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:76)
        at org.apache.hadoop.hbase.regionserver.CompactionTool.main(CompactionTool.java:460)