[PATCH bpf-next v1 0/7] Dynamic pointers

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From: Joanne Koong <joannelkoong@xxxxxxxxx>

This patchset implements the basics of dynamic pointers in bpf.

A dynamic pointer (struct bpf_dynptr) is a pointer that stores extra metadata
alongside the address it points to. This abstraction is useful in bpf, given
that every memory access in a bpf program must be safe. The verifier and bpf
helper functions can use the metadata to enforce safety guarantees for things 
such as dynamically sized strings and kernel heap allocations.


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