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h<strong>Heap</strong> payload<br />
h<strong>Heap</strong> (X)<br />
…<br />
A<br />
…<br />
B<br />
…<br />
C<br />
…<br />
D<br />
E<br />
…<br />
0<br />
68<br />
80<br />
88<br />
184<br />
• D freeEntry, must point to readable<br />
memory such that:<br />
- freeEntry->ent_0 == NULL; (Next pointer)<br />
- freeEntry->ent_18 points to readable memory Y<br />
- Y has known constant value at offset -8<br />
(i.e. *(Y-8) constant)
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