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==6554==ERROR: AddressSanitizer: heap-buffer-overflow on address 0xf4803fe4 at pc 0x08076149 bp 0xffb2ea88 sp 0xffb2ea78
WRITE of size 1 at 0xf4803fe4 thread T0
    #0 0x8076148 in sdb_json_indent json/indent.c:92
    #1 0x808d98a in sdb_querys /home/egeretto/Documents/sdb_afl/sdb/src/query.c:786
    #2 0x809112d in sdb_query /home/egeretto/Documents/sdb_afl/sdb/src/query.c:836
    #3 0x804a701 in main /home/egeretto/Documents/sdb_afl/sdb/src/main.c:492
    #4 0xf6fc21c5 in __libc_start_main (/usr/lib/libc.so.6+0x181c5)
    #5 0x804c09f  (/home/egeretto/Documents/sdb_afl/sdb_asan+0x804c09f)

0xf4803fe4 is located 0 bytes to the right of 420-byte region [0xf4803e40,0xf4803fe4)
allocated by thread T0 here:
    #0 0xf72647c4 in malloc (/usr/lib/libasan.so.3+0xdf7c4)
    #1 0x807513c in sdb_json_indent json/indent.c:25

SUMMARY: AddressSanitizer: heap-buffer-overflow json/indent.c:92 in sdb_json_indent
Shadow bytes around the buggy address:
  0x3e9007a0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x3e9007b0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x3e9007c0: fa fa fa fa fa fa fa fa 00 00 00 00 00 00 00 00
  0x3e9007d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x3e9007e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
=>0x3e9007f0: 00 00 00 00 00 00 00 00 00 00 00 00[04]fa fa fa
  0x3e900800: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x3e900810: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x3e900820: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x3e900830: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x3e900840: 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
==6554==ABORTING