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==6660==ERROR: AddressSanitizer: heap-buffer-overflow on address 0xf5600b3c at pc 0x08090a9e bp 0xffa896f8 sp 0xffa896e8
WRITE of size 1 at 0xf5600b3c thread T0
    #0 0x8090a9d in sdb_querys /home/egeretto/Documents/sdb_afl/sdb/src/query.c:728
    #1 0x809112d in sdb_query /home/egeretto/Documents/sdb_afl/sdb/src/query.c:836
    #2 0x804a701 in main /home/egeretto/Documents/sdb_afl/sdb/src/main.c:492
    #3 0xf6fa11c5 in __libc_start_main (/usr/lib/libc.so.6+0x181c5)
    #4 0x804c09f  (/home/egeretto/Documents/sdb_afl/sdb_asan+0x804c09f)

0xf5600b3c is located 0 bytes to the right of 28-byte region [0xf5600b20,0xf5600b3c)
allocated by thread T0 here:
    #0 0xf72439cc in __interceptor_calloc (/usr/lib/libasan.so.3+0xdf9cc)
    #1 0x806f3ba in sdb_decode /home/egeretto/Documents/sdb_afl/sdb/src/base64.c:101
    #2 0xf7715fff  (<unknown module>)

SUMMARY: AddressSanitizer: heap-buffer-overflow /home/egeretto/Documents/sdb_afl/sdb/src/query.c:728 in sdb_querys
Shadow bytes around the buggy address:
  0x3eac0110: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x3eac0120: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x3eac0130: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x3eac0140: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x3eac0150: fa fa fa fa fa fa fa fa fa fa fa fa fa fa 00 00
=>0x3eac0160: 00 00 fa fa 00 00 00[04]fa fa 00 00 00 fa fa fa
  0x3eac0170: 00 00 00 04 fa fa 00 00 00 fa fa fa 00 00 00 fa
  0x3eac0180: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x3eac0190: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x3eac01a0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x3eac01b0: fa fa fa fa fa fa fa fa fa fa fa fa fa 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
  Heap right redzone:      fb
  Freed heap region:       fd
  Stack left redzone:      f1
  Stack mid redzone:       f2
  Stack right redzone:     f3
  Stack partial redzone:   f4
  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
==6660==ABORTING