OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=381
Crash type: Heap-buffer-overflow READ 1
Crash state:
nlohmann::basic_json<std::__1::map, std::__1::vector, std::__1::basic_string<cha
nlohmann::basic_json<std::__1::map, std::__1::vector, std::__1::basic_string<cha
nlohmann::basic_json<std::__1::map, std::__1::vector, std::__1::basic_string<cha