Patrick Roy

Update Rust Toolchain to 1.76.0

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Some dependencies have recently adopted a MSRV of 1.74.0, which is higher than our current toolchain version (1.73.0). Update to the newest toolchain currently available, to unblock https://github.com/firecracker-microvm/firecracker/pull/4445 ## License...

Add PVH related integration tests

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Adds PVH related integration tests, such as - ~~FreeBSD boots successfully inside of firecracker~~ It does not on m6a.metal - Linux compiled with PVH support boots successfully inside of firecracker...

Bindgen fails to generate constants if `#define`s are out of order

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### Input C/C++ Header ```C #define A B #define B 1 ``` ### Bindgen Invocation ```bash bindgen input.h ``` ### Actual Results ```rust /* automatically generated by rust-bindgen 0.66.1 */...

[Bug] afl.rs>=0.12.9 passes own arguments to `afl-fuzz`

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Starting in version `0.12.9` (coinciding with the upgrade to `clap v4.0`), arguments passed to `cargo afl fuzz` are passed down to `afl++`, where they cause errors as they cannot be...

Replacing `Vec` with `SmallVec` causes CMBC's memory usage to grow unboundedly during post-processing

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Hi all, Over at Firecracker we recently had to make some changes to our virtio code (which is covered by kani harnesses). As part of this, we replaced a `Vec`...

Moved from https://github.com/firecracker-microvm/firecracker/issues/1728, also touched on in https://github.com/firecracker-microvm/versionize/pull/47#issuecomment-1342930041 Currently, `Versionize` implementation for `[T; N]` require `T: Default` because we need to initialize the array somehow. We should track if at...

Have `tools/devtool fmt` also run `black` and mdformat

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## Reason Previously, it would only run `cargo fmt`. Now, it will please all formatting rules we have in our CI, e.g. also include python and markdown formatters. ## License...

Rollup of stale PRs

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## Changes Resolve 3 TODOs in the codebase ## Reason Rollup seemingly abandoned PRs that we still think have value to be merged. ## License Acceptance By submitting this pull...

Currently when using anonymous memory for KVM guest RAM, the memory all remains mapped into the kernel direct map. We are looking at options to get KVM guest memory out...

Use `u32` to describe vsock related buffer sizes

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In #4556, we updated our generic virtio buffer handling code to describe buffer sizes using `u32` instead of `usize`, since the virtio specification states that lengths of virtio-buffers fit into...