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LWN.net
- 01[$] LWN.net Weekly Edition for August 13, 2026Inside this week's LWN.net Weekly Edition: Front : BPF and binfmt_misc; CrossPoint ebook firmware; KVM planes; BPF formal verification; shadow-utils; new storage-code testing features. Briefs : Django releases; GNOME shell; LightDM 1.33.0; QEMU 11.1; uutils 0.10; Software Stewardship Lab; Quotes; ... Announcements : Newsletters, conferences, security updates, patches, and more.jzb
- 02[$] Block-layer error injectionStorage code has to cope with hardware that fails in inconvenient ways, but coaxing a healthy disk into producing those failures on demand, for testing, is usually not possible. The kernel provides several ways to inject block-layer I/O errors, but none of those can select the operation to fail, pick the status code to return, or target a disk directly without employing a stacked device on top. Use of a stacked device means the test runs against the mapper device, not the disk it was meant to exdaroc
- 03[$] A look at CrossPoint e-reader firmwareThere are a number of small, inexpensive, low-powered e-reader or e-paper devices that have promise as ebook readers with one minor problem: the firmware they ship with does not realize their full potential. To solve that problem, the CrossPoint Reader project looks to provide replacement firmware that offers necessary features, better performance, and a more pleasant reading experience. On August 7, the project released version 1.5.0 , which opens large EPUBs more quickly, provides offline dictjzb
- 04QEMU 11.1 releasedVersion 11.1 of the QEMU emulator has been released. The release contains more than 3,200 commits from 285 authors and includes a long list of improvements; see the announcement and changelog for the details.jzb
- 05Security updates for WednesdaySecurity updates have been issued by AlmaLinux (fence-agents, firefox, frr10, gstreamer1-plugins-good, iscsi-initiator-utils, isns-utils, kernel, kernel-rt, perl-DBI:1.641, postgresql, postgresql:12, and resource-agents), Debian (libgd2, openjdk-25, php7.4, php8.2, and postfix), Fedora (clamav, domoticz, and libidn), Red Hat (delve, edk2, firefox, go-fdo-client, go-fdo-server, grafana, host-metering, ignition, kernel, kernel package, kernel-rt, ldns, libarchive, mariadb10.11, mariadb:10.11, multjzb
- 06[$] KVM planes head for takeoffVirtualization places a guest system into a separate security domain, typically with less privileges than software running directly on the host. Increasingly, there is interest in creating multiple security domains within a single virtualized system as well. CPU vendors (and software vendors too) are implementing solutions; each of which, of course, is different from all of the others. KVM planes, currently under development by Jörg Rödel, Paolo Bonzini, and others in the KVM community, is an atcorbet
- 07Bernard: GNOME Shell design dreamsGNOME contributor Tobias Bernard has published a blog post that details some of the design team's ideas for the GNOME Shell over the long term: Some of these we have relatively complete plans for, others are more vague ideas that need more research and prototyping. As always, getting things like these implemented depends on developer capacity and interest (and sometimes funding). While each of these ideas may require additional discussion, prototyping, and testing, we (the design team) have colljzb
- 08Security updates for TuesdaySecurity updates have been issued by AlmaLinux (gpsd), Debian (caddy, libyaml-syck-perl, nss, and wordpress), Fedora (chezmoi, chromium, emacs, kernel, knot, libcupsfilters, mingw-gstreamer1-plugins-good, mingw-libidn, mingw-python-pip, nghttp2, p11-kit, python-webob, suricata, and xen), Mageia (bind, openslide, php8.4, and php8.5), Oracle (gpsd-minimal, kernel, libarchive, libpng12, nodejs-nodemon, php:8.3, ruby:3.3, and ruby:4.0), SUSE (agama-web-ui, bind, bouncycastle, dhcpcd, ffmpeg, ffmpeg-jzb
- 09[$] Even more formal verification for BPFBPF offers useful safety guarantees, but Kumar Kartikeya Dwivedi wants BPF programs to be even safer. At the 2026 Linux Storage, Filesystem, Memory-Management, and BPF Summit , he led a session ( slides ) discussing the possibility of adding domain-specific invariants to BPF programs. It was not a discussion intended to lead to the implementation of any particular kernel feature, but rather an overview of why additional formal verification might be needed, and how it could work with the existingdaroc
- 10Django moves to an annual release cycleThe Django Python web-framework project has announced that it has accepted an annual release cycle proposal . This means that the project is moving from a somewhat complicated schedule that interspersed short-lived feature releases and long-term-support (LTS) releases to a simpler annual cycle where each release is supported for three years. Every feature release gets three years of support: one year of mainstream bugfixes, then two years of security and data-loss fixes. The "LTS" label is retirjzb
- 11Security updates for MondaySecurity updates have been issued by AlmaLinux (firefox, gpsd-minimal, kernel, libarchive, libgcrypt, and LibRaw), Debian (bind9, ca-certificates, chromium, dnsdist, icinga2, kitty, libheif, openjdk-21, pdns, pdns-recursor, thunderbird, and xen), Fedora (bird, erlang, kernel, mingw-glib2, nghttp2, p11-kit, perl, perl-Devel-Cover, perl-PAR-Packer, pgadmin4, polymake, python-nh3, python-wsgidav, python3.12, rabbitmq-server, rust-ammonia, seamonkey, and udisks2), Mageia (python-starlette), Oracle (jzb
- 12Kernel prepatch 7.2-rc7The 7.2-rc7 kernel prepatch is out for testing. It is still bigger than Linus would like, but he said nonetheless: " I don't currently see any value in delaying the 7.2 release, so I would expect that to happen next weekend unless something really bad pops up. "corbet
- 13Four weekend stable kernel updatesThe 7.1.8 , 6.18.44 , 6.12.103 , and 6.6.151 stable kernels have been released; each contains a fair number of important fixes.corbet
- 14[$] Changes in shadow-utils password-expiration featuresThe shadow-utils project provides the tools that handle /etc/shadow , /etc/passwd , and other related databases; in general, it manages users and groups on many Linux systems. While most software releases are notable for what is added, the recent shadow-utils 4.20.0 release is most noteworthy for what has been removed. Specifically, several utilities and functionality related to periodic password expiry, which were deprecated in the December 2025 4.19.0 release, have been removed as planned. Itjzb
- 15The Software Stewardship Lab launchesThe Software Stewardship Lab , a nonprofit organization based in Scotland, has announced its existence . Our current research focuses are: Software supply chain security — We're working on an observatory that allows users to identify and monitor the world's critical Open Source packages in real time, including previously hidden parts of the dependency graph. Maintainer burnout — Our report on burnout in Open Source has been well-received. We're working on yearly follow-ups, plus a companion repocorbet
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