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=1003
    realloc  linenumber=1004
    realloc  linenumber=1005
    realloc  linenumber=1006
    nlz8 /src/httrack/src/htscharset.c linenumber=1041
    abortf_ /src/httrack/src/./htssafe.h linenumber=1041
      hts_get_error_callback /src/httrack/src/htslib.c linenumber=100
      log_abort_ /src/httrack/src/./htssafe.h linenumber=102
        fprintf  linenumber=94
        fflush  linenumber=95
      abort  linenumber=103
    abortf_ /src/httrack/src/./htssafe.h linenumber=1051
    punycode_encode /src/httrack/src/punycode.c linenumber=1066
      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=1069
    realloc  linenumber=1089
    realloc  linenumber=1099
  hts_convertStringIDNAToUTF8 /src/httrack/src/htscharset.c linenumber=40
    strncasecmp  linenumber=1138
    punycode_decode /src/httrack/src/punycode.c linenumber=1154
      decode_digit /src/httrack/src/punycode.c linenumber=235
      adapt /src/httrack/src/punycode.c linenumber=250
    realloc  linenumber=1160
    realloc  linenumber=1175
    realloc  linenumber=1187
    realloc  linenumber=1205
    realloc  linenumber=1211
  hts_isStringIDNA /src/httrack/src/htscharset.c linenumber=43
    strncasecmp  linenumber=1118
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