Call tree
LLVMFuzzerTestOneInput /src/libdwarf/fuzz/fuzz_crc.c linenumber=-1
  getpid  linenumber=39
  sprintf  linenumber=39
  fopen  linenumber=42
  printf  linenumber=44
  fwrite  linenumber=49
  fclose  linenumber=50
  open  linenumber=65
  lseek  linenumber=66
  read  linenumber=77
  dwarf_basic_crc32 /src/libdwarf/src/lib/libdwarf/dwarf_crc.c linenumber=82
  close  linenumber=87
  unlink  linenumber=88
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