https://clickhouse-test-reports.s3.yandex.net/21020/2ced21c837006053542b9f04c338faebf504f413/fuzzer_asan/server.log
{
    Block block = materializeBlock(src_block);
    JoinCommon::removeLowCardinalityInplace(block, table_join->keyNamesRight());
    return block;
}
bool MergeJoin::addJoinedBlock(const Block & src_block, bool)
{
    Block block = modifyRightBlock(src_block);
    sortBlock(block, right_sort_description);
    return saveRightBlock(std::move(block));
}
void MergeJoin::joinBlock(Block & block, ExtraBlockPtr & not_processed)