./duckdb_cli ../build2/bigdata.duck < ../build2/variant_equivalent.sql
=================================================================
==26423==ERROR: AddressSanitizer: heap-use-after-free on address 0x6210000639f7 at pc 0x55dfc5b436ef bp 0x7ffd4f5ab2b0 sp 0x7ffd4f5ab2a0
READ of size 1 at 0x6210000639f7 thread T0
    #0 0x55dfc5b436ee in bool duckdb::IsNullValue<char const*>(char const*) /home/wmann/duckdb/duckdb/src/include/duckdb/common/types/null_value.hpp:39
    #1 0x55dfc628b490 in operator() /home/wmann/duckdb/duckdb/src/function/aggregate/distributive/string_agg.cpp:36
    #2 0x55dfc629070e in Exec<duckdb::string_agg_update(duckdb::Vector*, duckdb::index_t, duckdb::Vector&)::<lambda(duckdb::index_t, duckdb::index_t)>&> /home/wmann/duckdb/duckdb/src/include/duckdb/common/vector_operations/vector_operations.hpp:197
    #3 0x55dfc628dabe in Exec<duckdb::string_agg_update(duckdb::Vector*, duckdb::index_t, duckdb::Vector&)::<lambda(duckdb::index_t, duckdb::index_t)> > /home/wmann/duckdb/duckdb/src/include/duckdb/common/vector_operations/vector_operations.hpp:217
    #4 0x55dfc628bb4b in duckdb::string_agg_update(duckdb::Vector*, unsigned long, duckdb::Vector&) /home/wmann/duckdb/duckdb/src/function/aggregate/distributive/string_agg.cpp:28
    #5 0x55dfc5ee9536 in duckdb::SuperLargeHashTable::AddChunk(duckdb::DataChunk&, duckdb::DataChunk&) /home/wmann/duckdb/duckdb/src/execution/aggregate_hashtable.cpp:217
    #6 0x55dfc65526ab in duckdb::PhysicalHashAggregate::GetChunkInternal(duckdb::ClientContext&, duckdb::DataChunk&, duckdb::PhysicalOperatorState*) /home/wmann/duckdb/duckdb/src/execution/operator/aggregate/physical_hash_aggregate.cpp:95
    #7 0x55dfc63aa34f in duckdb::PhysicalOperator::GetChunk(duckdb::ClientContext&, duckdb::DataChunk&, duckdb::PhysicalOperatorState*) /home/wmann/duckdb/duckdb/src/execution/physical_operator.cpp:45
    #8 0x55dfc6590fd6 in duckdb::PhysicalProjection::GetChunkInternal(duckdb::ClientContext&, duckdb::DataChunk&, duckdb::PhysicalOperatorState*) /home/wmann/duckdb/duckdb/src/execution/operator/projection/physical_projection.cpp:22
    #9 0x55dfc63aa34f in duckdb::PhysicalOperator::GetChunk(duckdb::ClientContext&, duckdb::DataChunk&, duckdb::PhysicalOperatorState*) /home/wmann/duckdb/duckdb/src/execution/physical_operator.cpp:45
    #10 0x55dfc6563cfa in duckdb::PhysicalExecute::GetChunkInternal(duckdb::ClientContext&, duckdb::DataChunk&, duckdb::PhysicalOperatorState*) /home/wmann/duckdb/duckdb/src/execution/operator/helper/physical_execute.cpp:8
    #11 0x55dfc63aa34f in duckdb::PhysicalOperator::GetChunk(duckdb::ClientContext&, duckdb::DataChunk&, duckdb::PhysicalOperatorState*) /home/wmann/duckdb/duckdb/src/execution/physical_operator.cpp:45
    #12 0x55dfc614952d in duckdb::ClientContext::FetchInternal() /home/wmann/duckdb/duckdb/src/main/client_context.cpp:150
    #13 0x55dfc614adbc in duckdb::ClientContext::ExecutePreparedStatement(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, duckdb::PreparedStatementData&, std::vector<duckdb::Value, std::allocator<duckdb::Value> >, bool) /home/wmann/duckdb/duckdb/src/main/client_context.cpp:229
    #14 0x55dfc614d7cd in duckdb::ClientContext::RunStatementInternal(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::unique_ptr<duckdb::SQLStatement, std::default_delete<duckdb::SQLStatement> >, bool) /home/wmann/duckdb/duckdb/src/main/client_context.cpp:329
    #15 0x55dfc614e136 in duckdb::ClientContext::RunStatement(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::unique_ptr<duckdb::SQLStatement, std::default_delete<duckdb::SQLStatement> >, bool) /home/wmann/duckdb/duckdb/src/main/client_context.cpp:356
    #16 0x55dfc614cb22 in duckdb::ClientContext::Execute(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::vector<duckdb::Value, std::allocator<duckdb::Value> >&, bool) /home/wmann/duckdb/duckdb/src/main/client_context.cpp:300
    #17 0x55dfc5f19184 in duckdb::PreparedStatement::Execute(std::vector<duckdb::Value, std::allocator<duckdb::Value> >&, bool) /home/wmann/duckdb/duckdb/src/main/prepared_statement.cpp:36
    #18 0x55dfc5aaa9e6 in sqlite3_step /home/wmann/duckdb/duckdb/tools/sqlite3_api_wrapper/sqlite3_api_wrapper.cpp:197
    #19 0x55dfc5a84b65 in exec_prepared_stmt /home/wmann/duckdb/duckdb/tools/shell/shell.c:10135
    #20 0x55dfc5a86949 in shell_exec /home/wmann/duckdb/duckdb/tools/shell/shell.c:10434
    #21 0x55dfc5a9fd3e in runOneSqlLine /home/wmann/duckdb/duckdb/tools/shell/shell.c:15341
    #22 0x55dfc5aa0684 in process_input /home/wmann/duckdb/duckdb/tools/shell/shell.c:15442
    #23 0x55dfc5aa2e0d in main /home/wmann/duckdb/duckdb/tools/shell/shell.c:16114
    #24 0x7f87bc650b96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
    #25 0x55dfc5a600c9 in _start (/home/wmann/duckdb/duckdb/build-dbg/duckdb_cli+0x80b0c9)

0x6210000639f7 is located 3319 bytes inside of 4096-byte region [0x621000062d00,0x621000063d00)
freed by thread T0 here:
    #0 0x7f87bd440490 in operator delete[](void*) (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xe1490)
    #1 0x55dfc5ab55fe in std::enable_if<std::is_convertible<char (*) [], char (*) []>::value, void>::type std::default_delete<char []>::operator()<char>(char*) const /usr/include/c++/8/bits/unique_ptr.h:115
    #2 0x55dfc5ab1b4c in std::unique_ptr<char [], std::default_delete<char []> >::~unique_ptr() /usr/include/c++/8/bits/unique_ptr.h:533
    #3 0x55dfc5d73a1b in duckdb::StringHeap::StringChunk::~StringChunk() /home/wmann/duckdb/duckdb/src/include/duckdb/common/types/string_heap.hpp:48
    #4 0x55dfc5de481f in std::default_delete<duckdb::StringHeap::StringChunk>::operator()(duckdb::StringHeap::StringChunk*) const /usr/include/c++/8/bits/unique_ptr.h:81
    #5 0x55dfc5dde1b8 in std::unique_ptr<duckdb::StringHeap::StringChunk, std::default_delete<duckdb::StringHeap::StringChunk> >::~unique_ptr() /usr/include/c++/8/bits/unique_ptr.h:274
    #6 0x55dfc5e127c5 in duckdb::StringHeap::~StringHeap() /home/wmann/duckdb/duckdb/src/include/duckdb/common/types/string_heap.hpp:18
    #7 0x55dfc611b5d2 in duckdb::VectorStringBuffer::~VectorStringBuffer() /home/wmann/duckdb/duckdb/src/include/duckdb/common/types/vector_buffer.hpp:49
    #8 0x55dfc5ae923f in void __gnu_cxx::new_allocator<duckdb::VectorStringBuffer>::destroy<duckdb::VectorStringBuffer>(duckdb::VectorStringBuffer*) (/home/wmann/duckdb/duckdb/build-dbg/duckdb_cli+0x89423f)
    #9 0x55dfc5ae918a in void std::allocator_traits<std::allocator<duckdb::VectorStringBuffer> >::destroy<duckdb::VectorStringBuffer>(std::allocator<duckdb::VectorStringBuffer>&, duckdb::VectorStringBuffer*) (/home/wmann/duckdb/duckdb/build-dbg/duckdb_cli+0x89418a)
    #10 0x55dfc5ae8cbc in std::_Sp_counted_ptr_inplace<duckdb::VectorStringBuffer, std::allocator<duckdb::VectorStringBuffer>, (__gnu_cxx::_Lock_policy)2>::_M_dispose() /usr/include/c++/8/bits/shared_ptr_base.h:554
    #11 0x55dfc5ab58dc in std::_Sp_counted_base<(__gnu_cxx::_Lock_policy)2>::_M_release() /usr/include/c++/8/bits/shared_ptr_base.h:155
    #12 0x55dfc5ab1c3d in std::__shared_count<(__gnu_cxx::_Lock_policy)2>::~__shared_count() /usr/include/c++/8/bits/shared_ptr_base.h:728
    #13 0x55dfc5ab0847 in std::__shared_ptr<duckdb::VectorBuffer, (__gnu_cxx::_Lock_policy)2>::~__shared_ptr() /usr/include/c++/8/bits/shared_ptr_base.h:1167
    #14 0x55dfc5ae0b42 in std::__shared_ptr<duckdb::VectorBuffer, (__gnu_cxx::_Lock_policy)2>::reset() (/home/wmann/duckdb/duckdb/build-dbg/duckdb_cli+0x88bb42)
    #15 0x55dfc5ad7270 in duckdb::Vector::Initialize(duckdb::TypeId, bool, unsigned long) /home/wmann/duckdb/duckdb/src/common/types/vector.cpp:87
    #16 0x55dfc610ca40 in duckdb::DataChunk::Reset() /home/wmann/duckdb/duckdb/src/common/types/data_chunk.cpp:33
    #17 0x55dfc655245f in duckdb::PhysicalHashAggregate::GetChunkInternal(duckdb::ClientContext&, duckdb::DataChunk&, duckdb::PhysicalOperatorState*) /home/wmann/duckdb/duckdb/src/execution/operator/aggregate/physical_hash_aggregate.cpp:71
    #18 0x55dfc63aa34f in duckdb::PhysicalOperator::GetChunk(duckdb::ClientContext&, duckdb::DataChunk&, duckdb::PhysicalOperatorState*) /home/wmann/duckdb/duckdb/src/execution/physical_operator.cpp:45
    #19 0x55dfc6590fd6 in duckdb::PhysicalProjection::GetChunkInternal(duckdb::ClientContext&, duckdb::DataChunk&, duckdb::PhysicalOperatorState*) /home/wmann/duckdb/duckdb/src/execution/operator/projection/physical_projection.cpp:22
    #20 0x55dfc63aa34f in duckdb::PhysicalOperator::GetChunk(duckdb::ClientContext&, duckdb::DataChunk&, duckdb::PhysicalOperatorState*) /home/wmann/duckdb/duckdb/src/execution/physical_operator.cpp:45
    #21 0x55dfc6563cfa in duckdb::PhysicalExecute::GetChunkInternal(duckdb::ClientContext&, duckdb::DataChunk&, duckdb::PhysicalOperatorState*) /home/wmann/duckdb/duckdb/src/execution/operator/helper/physical_execute.cpp:8
    #22 0x55dfc63aa34f in duckdb::PhysicalOperator::GetChunk(duckdb::ClientContext&, duckdb::DataChunk&, duckdb::PhysicalOperatorState*) /home/wmann/duckdb/duckdb/src/execution/physical_operator.cpp:45
    #23 0x55dfc614952d in duckdb::ClientContext::FetchInternal() /home/wmann/duckdb/duckdb/src/main/client_context.cpp:150
    #24 0x55dfc614adbc in duckdb::ClientContext::ExecutePreparedStatement(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, duckdb::PreparedStatementData&, std::vector<duckdb::Value, std::allocator<duckdb::Value> >, bool) /home/wmann/duckdb/duckdb/src/main/client_context.cpp:229
    #25 0x55dfc614d7cd in duckdb::ClientContext::RunStatementInternal(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::unique_ptr<duckdb::SQLStatement, std::default_delete<duckdb::SQLStatement> >, bool) /home/wmann/duckdb/duckdb/src/main/client_context.cpp:329
    #26 0x55dfc614e136 in duckdb::ClientContext::RunStatement(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::unique_ptr<duckdb::SQLStatement, std::default_delete<duckdb::SQLStatement> >, bool) /home/wmann/duckdb/duckdb/src/main/client_context.cpp:356
    #27 0x55dfc614cb22 in duckdb::ClientContext::Execute(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::vector<duckdb::Value, std::allocator<duckdb::Value> >&, bool) /home/wmann/duckdb/duckdb/src/main/client_context.cpp:300
    #28 0x55dfc5f19184 in duckdb::PreparedStatement::Execute(std::vector<duckdb::Value, std::allocator<duckdb::Value> >&, bool) /home/wmann/duckdb/duckdb/src/main/prepared_statement.cpp:36
    #29 0x55dfc5aaa9e6 in sqlite3_step /home/wmann/duckdb/duckdb/tools/sqlite3_api_wrapper/sqlite3_api_wrapper.cpp:197

previously allocated by thread T0 here:
    #0 0x7f87bd43f618 in operator new[](unsigned long) (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xe0618)
    #1 0x55dfc611698b in duckdb::StringHeap::StringChunk::StringChunk(unsigned long) /home/wmann/duckdb/duckdb/src/include/duckdb/common/types/string_heap.hpp:46
    #2 0x55dfc6116b7e in std::unique_ptr<duckdb::StringHeap::StringChunk, std::default_delete<duckdb::StringHeap::StringChunk> > duckdb::make_unique<duckdb::StringHeap::StringChunk, unsigned long const&>(unsigned long const&) /home/wmann/duckdb/duckdb/src/include/duckdb/common/helper.hpp:24
    #3 0x55dfc6116302 in duckdb::StringHeap::AddString(char const*, unsigned long) /home/wmann/duckdb/duckdb/src/common/types/string_heap.cpp:22
    #4 0x55dfc5ae02aa in duckdb::VectorStringBuffer::AddString(char const*, unsigned long) (/home/wmann/duckdb/duckdb/build-dbg/duckdb_cli+0x88b2aa)
    #5 0x55dfc5add3a0 in duckdb::Vector::AddString(char const*, unsigned long) /home/wmann/duckdb/duckdb/src/common/types/vector.cpp:413
    #6 0x55dfc5add421 in duckdb::Vector::AddString(char const*) /home/wmann/duckdb/duckdb/src/common/types/vector.cpp:417
    #7 0x55dfc628b674 in operator() /home/wmann/duckdb/duckdb/src/function/aggregate/distributive/string_agg.cpp:42
    #8 0x55dfc629070e in Exec<duckdb::string_agg_update(duckdb::Vector*, duckdb::index_t, duckdb::Vector&)::<lambda(duckdb::index_t, duckdb::index_t)>&> /home/wmann/duckdb/duckdb/src/include/duckdb/common/vector_operations/vector_operations.hpp:197
    #9 0x55dfc628dabe in Exec<duckdb::string_agg_update(duckdb::Vector*, duckdb::index_t, duckdb::Vector&)::<lambda(duckdb::index_t, duckdb::index_t)> > /home/wmann/duckdb/duckdb/src/include/duckdb/common/vector_operations/vector_operations.hpp:217
    #10 0x55dfc628bb4b in duckdb::string_agg_update(duckdb::Vector*, unsigned long, duckdb::Vector&) /home/wmann/duckdb/duckdb/src/function/aggregate/distributive/string_agg.cpp:28
    #11 0x55dfc5ee9536 in duckdb::SuperLargeHashTable::AddChunk(duckdb::DataChunk&, duckdb::DataChunk&) /home/wmann/duckdb/duckdb/src/execution/aggregate_hashtable.cpp:217
    #12 0x55dfc65526ab in duckdb::PhysicalHashAggregate::GetChunkInternal(duckdb::ClientContext&, duckdb::DataChunk&, duckdb::PhysicalOperatorState*) /home/wmann/duckdb/duckdb/src/execution/operator/aggregate/physical_hash_aggregate.cpp:95
    #13 0x55dfc63aa34f in duckdb::PhysicalOperator::GetChunk(duckdb::ClientContext&, duckdb::DataChunk&, duckdb::PhysicalOperatorState*) /home/wmann/duckdb/duckdb/src/execution/physical_operator.cpp:45
    #14 0x55dfc6590fd6 in duckdb::PhysicalProjection::GetChunkInternal(duckdb::ClientContext&, duckdb::DataChunk&, duckdb::PhysicalOperatorState*) /home/wmann/duckdb/duckdb/src/execution/operator/projection/physical_projection.cpp:22
    #15 0x55dfc63aa34f in duckdb::PhysicalOperator::GetChunk(duckdb::ClientContext&, duckdb::DataChunk&, duckdb::PhysicalOperatorState*) /home/wmann/duckdb/duckdb/src/execution/physical_operator.cpp:45
    #16 0x55dfc6563cfa in duckdb::PhysicalExecute::GetChunkInternal(duckdb::ClientContext&, duckdb::DataChunk&, duckdb::PhysicalOperatorState*) /home/wmann/duckdb/duckdb/src/execution/operator/helper/physical_execute.cpp:8
    #17 0x55dfc63aa34f in duckdb::PhysicalOperator::GetChunk(duckdb::ClientContext&, duckdb::DataChunk&, duckdb::PhysicalOperatorState*) /home/wmann/duckdb/duckdb/src/execution/physical_operator.cpp:45
    #18 0x55dfc614952d in duckdb::ClientContext::FetchInternal() /home/wmann/duckdb/duckdb/src/main/client_context.cpp:150
    #19 0x55dfc614adbc in duckdb::ClientContext::ExecutePreparedStatement(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, duckdb::PreparedStatementData&, std::vector<duckdb::Value, std::allocator<duckdb::Value> >, bool) /home/wmann/duckdb/duckdb/src/main/client_context.cpp:229
    #20 0x55dfc614d7cd in duckdb::ClientContext::RunStatementInternal(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::unique_ptr<duckdb::SQLStatement, std::default_delete<duckdb::SQLStatement> >, bool) /home/wmann/duckdb/duckdb/src/main/client_context.cpp:329
    #21 0x55dfc614e136 in duckdb::ClientContext::RunStatement(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::unique_ptr<duckdb::SQLStatement, std::default_delete<duckdb::SQLStatement> >, bool) /home/wmann/duckdb/duckdb/src/main/client_context.cpp:356
    #22 0x55dfc614cb22 in duckdb::ClientContext::Execute(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::vector<duckdb::Value, std::allocator<duckdb::Value> >&, bool) /home/wmann/duckdb/duckdb/src/main/client_context.cpp:300
    #23 0x55dfc5f19184 in duckdb::PreparedStatement::Execute(std::vector<duckdb::Value, std::allocator<duckdb::Value> >&, bool) /home/wmann/duckdb/duckdb/src/main/prepared_statement.cpp:36
    #24 0x55dfc5aaa9e6 in sqlite3_step /home/wmann/duckdb/duckdb/tools/sqlite3_api_wrapper/sqlite3_api_wrapper.cpp:197
    #25 0x55dfc5a84b65 in exec_prepared_stmt /home/wmann/duckdb/duckdb/tools/shell/shell.c:10135
    #26 0x55dfc5a86949 in shell_exec /home/wmann/duckdb/duckdb/tools/shell/shell.c:10434
    #27 0x55dfc5a9fd3e in runOneSqlLine /home/wmann/duckdb/duckdb/tools/shell/shell.c:15341
    #28 0x55dfc5aa0684 in process_input /home/wmann/duckdb/duckdb/tools/shell/shell.c:15442
    #29 0x55dfc5aa2e0d in main /home/wmann/duckdb/duckdb/tools/shell/shell.c:16114

SUMMARY: AddressSanitizer: heap-use-after-free /home/wmann/duckdb/duckdb/src/include/duckdb/common/types/null_value.hpp:39 in bool duckdb::IsNullValue<char const*>(char const*)
Shadow bytes around the buggy address:
  0x0c42800046e0: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x0c42800046f0: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x0c4280004700: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x0c4280004710: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x0c4280004720: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
=>0x0c4280004730: fd fd fd fd fd fd fd fd fd fd fd fd fd fd[fd]fd
  0x0c4280004740: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x0c4280004750: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x0c4280004760: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x0c4280004770: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x0c4280004780: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
Shadow byte legend (one shadow byte represents 8 application bytes):
  Addressable:           00
  Partially addressable: 01 02 03 04 05 06 07 
  Heap left redzone:       fa
  Freed heap region:       fd
  Stack left redzone:      f1
  Stack mid redzone:       f2
  Stack right redzone:     f3
  Stack after return:      f5
  Stack use after scope:   f8
  Global redzone:          f9
  Global init order:       f6
  Poisoned by user:        f7
  Container overflow:      fc
  Array cookie:            ac
  Intra object redzone:    bb
  ASan internal:           fe
  Left alloca redzone:     ca
  Right alloca redzone:    cb
==26423==ABORTING