OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=23619
Crash type: Global-buffer-overflow READ 4 Crash state: json_tokener_parse_ex tokener_parse_ex_fuzzer.cc
"https://github.com/google/oss-fuzz-vulns/blob/main/vulns/json-c/OSV-2020-252.yaml"