Call tree
LLVMFuzzerTestOneInput /src/h3/src/apps/fuzzers/fuzzerIndexIO.c linenumber=-1
  h3ToString /src/h3/src/h3lib/lib/h3Index.c linenumber=43
    sprintf  linenumber=203
  stringToH3 /src/h3/src/h3lib/lib/h3Index.c linenumber=45
    __isoc99_sscanf  linenumber=182
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