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==54484==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x6030000059cb at pc 0x0001026a6f89 bp 0x7ffeed79b130 sp 0x7ffeed79a8c8
READ of size 42 at 0x6030000059cb thread T0
    #0 0x1026a6f88 in wrap_memmove (libclang_rt.asan_osx_dynamic.dylib:x86_64h+0x1df88)
    #1 0x7fff5eb50151 in __sfvwrite (libsystem_c.dylib:x86_64+0x3d151)
    #2 0x7fff5eb505b5 in fwrite (libsystem_c.dylib:x86_64+0x3d5b5)
    #3 0x1026aa837 in wrap_fwrite (libclang_rt.asan_osx_dynamic.dylib:x86_64h+0x21837)
    #4 0x1024f2b83 in APar_WriteAtomically(__sFILE*, __sFILE*, bool, char*&, unsigned long long, short) parsley.cpp:6090
    #5 0x1024f37fd in APar_WriteFile(char const*, char const*, bool) parsley.cpp:6335
    #6 0x1024bb5f7 in real_main(int, char**) main.cpp:4360
    #7 0x1024bbba1 in main main.cpp:4478
    #8 0x7fff5eac93d4 in start (libdyld.dylib:x86_64+0x163d4)

0x6030000059cb is located 0 bytes to the right of 27-byte region [0x6030000059b0,0x6030000059cb)
allocated by thread T0 here:
    #0 0x1026eacd7 in wrap_calloc (libclang_rt.asan_osx_dynamic.dylib:x86_64h+0x61cd7)
    #1 0x1024dd25e in APar_InterjectNewAtom(char const*, unsigned char, unsigned char, unsigned long long, unsigned int, unsigned short, unsigned char, short) parsley.cpp:2389
    #2 0x1024e2691 in APar_reverseDNS_atom_Init(char const*, char const*, unsigned int const*, char const*) parsley.cpp:3503
    #3 0x1024b8afe in real_main(int, char**) main.cpp:4052
    #4 0x1024bbba1 in main main.cpp:4478
    #5 0x7fff5eac93d4 in start (libdyld.dylib:x86_64+0x163d4)

SUMMARY: AddressSanitizer: heap-buffer-overflow (libclang_rt.asan_osx_dynamic.dylib:x86_64h+0x1df88) in wrap_memmove
Shadow bytes around the buggy address:
  0x1c0600000ae0: fa fa 00 00 04 fa fa fa 00 00 04 fa fa fa 00 00
  0x1c0600000af0: 04 fa fa fa 00 00 04 fa fa fa 00 00 04 fa fa fa
  0x1c0600000b00: 00 00 04 fa fa fa 00 00 04 fa fa fa 00 00 04 fa
  0x1c0600000b10: fa fa 00 00 04 fa fa fa 00 00 04 fa fa fa 00 00
  0x1c0600000b20: 04 fa fa fa 00 00 04 fa fa fa 00 00 04 fa fa fa
=>0x1c0600000b30: fd fd fd fd fa fa 00 00 00[03]fa fa 00 00 04 fa
  0x1c0600000b40: fa fa fd fd fd fa fa fa 00 00 04 fa fa fa 00 00
  0x1c0600000b50: 04 fa fa fa fd fd fd fa fa fa 00 00 05 fa fa fa
  0x1c0600000b60: 00 00 04 fa fa fa fd fd fd fa fa fa 00 00 04 fa
  0x1c0600000b70: fa fa 00 00 04 fa fa fa 00 00 04 fa fa fa fd fd
  0x1c0600000b80: fd fd fa fa 00 00 00 04 fa fa 00 00 04 fa fa fa
Shadow byte legend (one shadow byte represents 8 application bytes):
  Addressable:           00
  Partially addressable: 01 02 03 04 05 06 07
  Heap left redzone:       fa
  Freed heap region:       fd
  Stack left redzone:      f1
  Stack mid redzone:       f2
  Stack right redzone:     f3
  Stack after return:      f5
  Stack use after scope:   f8
  Global redzone:          f9
  Global init order:       f6
  Poisoned by user:        f7
  Container overflow:      fc
  Array cookie:            ac
  Intra object redzone:    bb
  ASan internal:           fe
  Left alloca redzone:     ca
  Right alloca redzone:    cb
  Shadow gap:              cc
==54484==ABORTING