Call tree
LLVMFuzzerTestOneInput /src/httrack/fuzz/fuzz-idna.c linenumber=-1
  fuzz_strdup /src/httrack/fuzz/fuzz.h linenumber=33
  hts_convertStringUTF8ToIDNA /src/httrack/src/htscharset.c linenumber=36
    realloc  linenumber=941
    realloc  linenumber=942
    realloc  linenumber=943
    realloc  linenumber=944
    nlz8 /src/httrack/src/htscharset.c linenumber=979
    abortf_ /src/httrack/src/./htssafe.h linenumber=979
      hts_get_error_callback /src/httrack/src/htslib.c linenumber=99
      log_abort_ /src/httrack/src/./htssafe.h linenumber=101
        fprintf  linenumber=93
        fflush  linenumber=94
      abort  linenumber=102
    abortf_ /src/httrack/src/./htssafe.h linenumber=989
    punycode_encode /src/httrack/src/punycode.c linenumber=1004
      encode_basic /src/httrack/src/punycode.c linenumber=114
      encode_digit /src/httrack/src/punycode.c linenumber=167
      encode_digit /src/httrack/src/punycode.c linenumber=171
      adapt /src/httrack/src/punycode.c linenumber=172
    realloc  linenumber=1007
    realloc  linenumber=1027
    realloc  linenumber=1037
  hts_convertStringIDNAToUTF8 /src/httrack/src/htscharset.c linenumber=40
    strncasecmp  linenumber=1076
    punycode_decode /src/httrack/src/punycode.c linenumber=1092
      decode_digit /src/httrack/src/punycode.c linenumber=235
      adapt /src/httrack/src/punycode.c linenumber=250
    realloc  linenumber=1098
    realloc  linenumber=1113
    realloc  linenumber=1125
    realloc  linenumber=1143
    realloc  linenumber=1149
  hts_isStringIDNA /src/httrack/src/htscharset.c linenumber=43
    strncasecmp  linenumber=1056
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