uaf@ubuntu:/tmp/uaf$ hexdump -C heap
00000000  00 00 00 00 00 00 00 00  11 1c 01 00 00 00 00 00  |................|
00000010  00 1c 01 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000020  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
00011c10  00 00 00 00 00 00 00 00  31 00 00 00 00 00 00 00  |........1.......|
00011c20  00 00 00 00 00 00 00 00  04 00 00 00 00 00 00 00  |................|
00011c30  ff ff ff ff 00 00 00 00  4a 61 63 6b 00 00 00 00  |........Jack....|
00011c40  00 00 00 00 00 00 00 00  21 00 00 00 00 00 00 00  |........!.......|
00011c50  41 41 41 41 00 00 00 00  19 00 00 00 00 00 00 00  |AAAA............|
00011c60  38 2c 9e 00 00 00 00 00  31 00 00 00 00 00 00 00  |8,......1.......|
00011c70  10 2c 9e 00 00 00 00 00  04 00 00 00 00 00 00 00  |.,..............|
00011c80  ff ff ff ff 00 00 00 00  4a 69 6c 6c 00 00 00 00  |........Jill....|
00011c90  00 00 00 00 00 00 00 00  21 00 00 00 00 00 00 00  |........!.......|
00011ca0  41 41 41 41 00 00 00 00  15 00 00 00 00 00 00 00  |AAAA............|
00011cb0  88 2c 9e 00 00 00 00 00  11 04 00 00 00 00 00 00  |.,..............|
00011cc0  31 2e 20 75 73 65 0a 32  2e 20 61 66 74 65 72 0a  |1. use.2. after.|
00011cd0  33 2e 20 66 72 65 65 0a  00 00 00 00 00 00 00 00  |3. free.........|
00011ce0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
000120c0  00 00 00 00 00 00 00 00  11 04 00 00 00 00 00 00  |................|
000120d0  32 0a 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |2...............|
000120e0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
000124d0  00 00 00 00 00 00 00 00  21 00 00 00 00 00 00 00  |........!.......|
000124e0  41 41 41 41 00 00 00 00  00 00 00 00 00 00 00 00  |AAAA............|
000124f0  00 00 00 00 00 00 00 00  21 00 00 00 00 00 00 00  |........!.......|
00012500  41 41 41 41 00 00 00 00  00 00 00 00 00 00 00 00  |AAAA............|
00012510  00 00 00 00 00 00 00 00  21 00 00 00 00 00 00 00  |........!.......|
00012520  41 41 41 41 00 00 00 00  00 00 00 00 00 00 00 00  |AAAA............|
00012530  00 00 00 00 00 00 00 00  21 00 00 00 00 00 00 00  |........!.......|
00012540  41 41 41 41 00 00 00 00  00 00 00 00 00 00 00 00  |AAAA............|
00012550  00 00 00 00 00 00 00 00  21 00 00 00 00 00 00 00  |........!.......|
00012560  41 41 41 41 00 00 00 00  00 00 00 00 00 00 00 00  |AAAA............|
00012570  00 00 00 00 00 00 00 00  21 00 00 00 00 00 00 00  |........!.......|
00012580  41 41 41 41 00 00 00 00  00 00 00 00 00 00 00 00  |AAAA............|
00012590  00 00 00 00 00 00 00 00  21 00 00 00 00 00 00 00  |........!.......|
000125a0  41 41 41 41 00 00 00 00  00 00 00 00 00 00 00 00  |AAAA............|
000125b0  00 00 00 00 00 00 00 00  21 00 00 00 00 00 00 00  |........!.......|
000125c0  41 41 41 41 00 00 00 00  00 00 00 00 00 00 00 00  |AAAA............|
000125d0  00 00 00 00 00 00 00 00  21 00 00 00 00 00 00 00  |........!.......|
000125e0  41 41 41 41 00 00 00 00  00 00 00 00 00 00 00 00  |AAAA............|
000125f0  00 00 00 00 00 00 00 00  21 00 00 00 00 00 00 00  |........!.......|
00012600  41 41 41 41 00 00 00 00  00 00 00 00 00 00 00 00  |AAAA............|
00012610  00 00 00 00 00 00 00 00  21 00 00 00 00 00 00 00  |........!.......|
00012620  41 41 41 41 00 00 00 00  00 00 00 00 00 00 00 00  |AAAA............|
00012630  00 00 00 00 00 00 00 00  21 00 00 00 00 00 00 00  |........!.......|
00012640  41 41 41 41 00 00 00 00  00 00 00 00 00 00 00 00  |AAAA............|
00012650  00 00 00 00 00 00 00 00  b1 f9 01 00 00 00 00 00  |................|
00012660  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
00032000
uaf@ubuntu:/tmp/uaf$