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LFH bucket overflow VI<br />
LFH bucket overflow requirements:<br />
• Position overflow chunk before some LFH<br />
bucket<br />
• Find an appropriate X value<br />
• Craft or find an appropriate fake LFH<br />
context (Y)<br />
• Form a correct h<strong>Heap</strong> payload at <strong>the</strong><br />
location decided by Y<br />
• Reliably trigger R-allocation after overflow