Andreas Kling 322c161ee4 LibELF: Implement ASLR for shared libraries :^) ...

Use mmap() with the new MAP_RANDOMIZED flag to load shared libraries at
random addresses in each process.

To avoid address space collisions, we start by doing a large chunk mmap
that covers enough VM for both text and data, then we unmap and remap
the data segment separately, once we know everything will fit.

This is pretty cool! :^)

2021-01-28 16:23:38 +01:00

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