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=1064
    realloc  linenumber=1065
    realloc  linenumber=1066
    realloc  linenumber=1067
    nlz8 /src/httrack/src/htscharset.c linenumber=1102
    abortf_ /src/httrack/src/./htssafe.h linenumber=1102
      hts_get_error_callback /src/httrack/src/htslib.c linenumber=101
      log_abort_ /src/httrack/src/./htssafe.h linenumber=103
        fprintf  linenumber=94
        fflush  linenumber=95
      abort  linenumber=104
    abortf_ /src/httrack/src/./htssafe.h linenumber=1112
    punycode_encode /src/httrack/src/punycode.c linenumber=1127
      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=1130
    realloc  linenumber=1150
    realloc  linenumber=1160
  hts_convertStringIDNAToUTF8 /src/httrack/src/htscharset.c linenumber=40
    strncasecmp  linenumber=1199
    punycode_decode /src/httrack/src/punycode.c linenumber=1215
      decode_digit /src/httrack/src/punycode.c linenumber=235
      adapt /src/httrack/src/punycode.c linenumber=250
    realloc  linenumber=1221
    realloc  linenumber=1236
    realloc  linenumber=1240
    realloc  linenumber=1258
    realloc  linenumber=1264
  hts_isStringIDNA /src/httrack/src/htscharset.c linenumber=43
    strncasecmp  linenumber=1179
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