crash in draco::rabs_desc_read(draco::AnsDecoder*, unsigned char)

[geeknik]

./draco_encoder -i test015

==23696==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 (pc 0x0000005950cf bp 0x7ffedc199b70 sp 0x7ffedc199a30 T0)
    #0 0x5950ce in draco::rabs_desc_read(draco::AnsDecoder*, unsigned char) /root/draco/core/ans.h:177:41
    #1 0x5950ce in draco::RAnsBitDecoder::DecodeNextBit() /root/draco/core/rans_coding.cc:140
    #2 0x710b59 in draco::MeshEdgeBreakerTraversalDecoder::DecodeAttributeSeam(int) /root/draco/compression/mesh/mesh_edgebreaker_traversal_decoder.h:109:12
    #3 0x710b59 in draco::MeshEdgeBreakerDecoderImpl<draco::MeshEdgeBreakerTraversalDecoder>::DecodeAttributeConnectivitiesOnFace(draco::IndexType<int, draco::CornerIndex_tag_type_>) /root/draco/compression/mesh/mesh_edgebreaker_decoder_impl.cc:657
    #4 0x704bc6 in draco::MeshEdgeBreakerDecoderImpl<draco::MeshEdgeBreakerTraversalDecoder>::DecodeConnectivity() /root/draco/compression/mesh/mesh_edgebreaker_decoder_impl.cc:271:12
    #5 0x738539 in draco::PointCloudDecoder::Decode(draco::DecoderBuffer*, draco::PointCloud*) /root/draco/compression/point_cloud/point_cloud_decoder.cc:28:8
    #6 0x6fc463 in draco::DecodeMeshFromBuffer(draco::DecoderBuffer*) /root/draco/compression/decode.cc:117:8
    #7 0x600ca4 in std::basic_ifstream<char, std::char_traits<char> >& draco::ReadMeshFromStream<std::basic_ifstream<char, std::char_traits<char> >&>(std::unique_ptr<draco::Mesh, std::default_delete<draco::Mesh> >*, std::basic_ifstream<char, std::char_traits<char> >&) /root/draco/io/mesh_io.h:66:11
    #8 0x60009d in draco::ReadMeshFromFile(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) /root/draco/io/mesh_io.cc:50:8
    #9 0x52de2f in main /root/draco/tools/draco_encoder.cc:189:9
    #10 0x7ff9191eb2b0 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x202b0)
    #11 0x459d19 in _start (/root/draco/build/draco_encoder+0x459d19)

AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV /root/draco/core/ans.h:177:41 in draco::rabs_desc_read(draco::AnsDecoder*, unsigned char)
==23696==ABORTING