OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18447
Crash type: Global-buffer-overflow READ 1 Crash state: backup lex_string lex_next
"https://github.com/google/oss-fuzz-vulns/blob/main/vulns/lwan/OSV-2020-665.yaml"