v1.16.1

calesthio/OpenMontagev1.16.1Jul 2, 2026by not4s

AI Summary

This release focuses on bug fixes related to file system operations and networking. It reverts a security restriction on symlinks in jailer paths and resolves a vsock connection timeout issue that occurred after restoring snapshots with in-flight data.

Key Highlights

Reverted the use of `O_NOFOLLOW` to allow symlinks in jailer paths
Fixed vsock guest-to-host timeout after snapshot restore involving in-flight TX descriptors

Full Release Notes

## Fixed

* [#5959](https://github.com/firecracker-microvm/firecracker/pull/5959): Reverted the use of `O_NOFOLLOW` for the jailer's cgroup and network namespace file operations, so symlinks are again allowed in these paths.
* [#5958](https://github.com/firecracker-microvm/firecracker/pull/5958): Fixed a bug that caused vsock guest-to-host connections to time out after snapshot restore, triggered by taking a snapshot with a TX descriptor in-flight. On restore the device now replays the TX queue notification so in-flight TX descriptors are re-processed and notification suppression is re-armed.