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Enable robustness against malicious drivers #32

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merged 12 commits into from
Oct 20, 2023

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@nspin nspin commented Oct 20, 2023

Rework sel4-shared-ring-buffer* crates to catch driver misbehavior and report it as Result::Err. This enables dependent crates to make simplifying assumptions about Result::Ok values, and react to driver behavior violations gracefully.

As a side effect, this PR also adds write support to sel4-async-block-io.

nspin added 12 commits October 20, 2023 01:14
…icious peers

- Rework ring buffer API to only expose good peer behavior
- Add sel4-shared-ring-buffer-bookkeeping crate

And rename from crates/sel4-async/request-statuses

Signed-off-by: Nick Spinale <[email protected]>
On sel4-shared-ring-buffer-bookkeeping

Signed-off-by: Nick Spinale <[email protected]>
@nspin nspin merged commit c1f0292 into seL4:main Oct 20, 2023
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@nspin nspin deleted the pr/robustness-against-malicious-drivers branch October 20, 2023 02:48
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