utility::details::str_iless(str1, str2);

[yangqun]

==19167==Hint: this fault was caused by a dereference of a high value address (see register values below). Dissassemble the provided pc to learn which register was used.
AddressSanitizer:DEADLYSIGNAL
#0 0x7f8cda78bbe4 in utility::details::str_iless(std::__cxx11::basic_string<char, std::char_traits, std::allocator > const&, std::__cxx11::basic_string<char, std::char_traits, std::allocator > const&) (/opt/version/3rd/cpprest/lib64/libcpprest.so.2.10+0x1d8be4)
#1 0x6f78d8 in web::http::http_headers::_case_insensitive_cmp::operator()(std::__cxx11::basic_string<char, std::char_traits, std::allocator > const&, std::__cxx11::basic_string<char, std::char_traits, std::allocator > const&) const /opt/version/3rd/cpprest/include/cpprest/http_headers.h:104
#2 0x7192f0 in std::_Rb_tree<std::__cxx11::basic_string<char, std::char_traits, std::allocator >, std::pair<std::__cxx11::basic_string<char, std::char_traits, std::allocator > const, std::__cxx11::basic_string<char, std::char_traits, std::allocator > >, std::_Select1st<std::pair<std::__cxx11::basic_string<char, std::char_traits, std::allocator > const, std::__cxx11::basic_string<char, std::char_traits, std::allocator > > >, web::http::http_headers::_case_insensitive_cmp, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits, std::allocator > const, std::__cxx11::basic_string<char, std::char_traits, std::allocator > > > >::_M_lower_bound(std::_Rb_tree_node<std::pair<std::__cxx11::basic_string<char, std::char_traits, std::allocator > const, std::__cxx11::basic_string<char, std::char_traits, std::allocator > > >, std::_Rb_tree_node_base, std::__cxx11::basic_string<char, std::char_traits, std::allocator > const&) /usr/local/include/c++/11.4.0/bits/stl_tree.h:1905
#3 0x718384 in std::_Rb_tree<std::__cxx11::basic_string<char, std::char_traits, std::allocator >, std::pair<std::__cxx11::basic_string<char, std::char_traits, std::allocator > const, std::__cxx11::basic_string<char, std::char_traits, std::allocator > >, std::_Select1st<std::pair<std::__cxx11::basic_string<char, std::char_traits, std::allocator > const, std::__cxx11::basic_string<char, std::char_traits, std::allocator > > >, web::http::http_headers::_case_insensitive_cmp, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits, std::allocator > const, std::__cxx11::basic_string<char, std::char_traits, std::allocator > > > >::lower_bound(std::__cxx11::basic_string<char, std::char_traits, std::allocator > const&) /usr/local/include/c++/11.4.0/bits/stl_tree.h:1270
#4 0x70db72 in std::map<std::__cxx11::basic_string<char, std::char_traits, std::allocator >, std::__cxx11::basic_string<char, std::char_traits, std::allocator >, web::http::http_headers::_case_insensitive_cmp, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits, std::allocator > const, std::__cxx11::basic_string<char, std::char_traits, std::allocator > > > >::lower_bound(std::__cxx11::basic_string<char, std::char_traits, std::allocator > const&) /usr/local/include/c++/11.4.0/bits/stl_map.h:1259
#5 0x7035d6 in std::map<std::__cxx11::basic_string<char, std::char_traits, std::allocator >, std::__cxx11::basic_string<char, std::char_traits, std::allocator >, web::http::http_headers::_case_insensitive_cmp, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits, std::allocator > const, std::__cxx11::basic_string<char, std::char_traits, std::allocator > > > >::operator[](std::__cxx11::basic_string<char, std::char_traits, std::allocator > const&) /usr/local/include/c++/11.4.0/bits/stl_map.h:497
#6 0x7060ef in void web::http::http_headers::add<std::__cxx11::basic_string<char, std::char_traits, std::allocator > >(std::__cxx11::basic_string<char, std::char_traits, std::allocator > const&, std::__cxx11::basic_string<char, std::char_traits, std::allocator > const&) /opt/version/3rd/cpprest/include/cpprest/http_headers.h:182

can any body help me?