Next Class and Questions

• Do before next class: start Lab 6 early — confirm your Badger CTF access and check the target's glibc version.
• Practice pwndbg: allocate, free, and watch chunks move between bins with vis_heap_chunks.
• Review single-linked lists and pointers in C — tcache is just a linked list you are learning to corrupt (and defend).
• Coming up: kernel exploitation, where a use-after-free plays out in ring 0.