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linux-kernel
25 postsDifferential Testing Exposes Native vs Generic XDP Behavior Gaps
An open-source differential harness compares native vs generic XDP frame bytes and verdicts, with a reproducible virtio/veth baseline on Linux 6.8.
How the Linux kernel's iomap layer works
An LWN deep dive explains how the Linux kernel's iomap layer maps files to storage, replacing buffer heads and cutting filesystem boilerplate code.
How GitHub Uses eBPF to Block Circular Dependencies in Deployments
GitHub explains how it uses eBPF to detect and block circular dependencies caused by hosting its own source code, using cGroup-based network filtering and a DNS proxy.
CommitBrief — AI code reviews, right in your terminal
A provider-agnostic, local-first CLI that reviews your staged changes, a historic range, or a whole GitHub pull request. Zero telemetry, no server. Free and open source.
commitbrief.comJanuscape: KVM/x86 Guest-to-Host Escape Flaw (CVE-2026-53359)
Januscape (CVE-2026-53359) is a critical KVM/x86 guest-to-host escape flaw in the shadow MMU, dormant for 16 years and exploitable on both Intel and AMD.
Alice Ryhl on Rust: why the compiler is the real safety net
Google's Alice Ryhl unpacks Rust's memory safety, ownership model, Cargo, editions, and its growing role inside the Linux kernel in this podcast deep dive.