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Thursday, July 29th, 2021

    Time Event
    1:44a
    [$] LWN.net Weekly Edition for July 29, 2021
    The LWN.net Weekly Edition for July 29, 2021 is available.
    1:14p
    Security updates for Thursday
    Security updates have been issued by Debian (webkit2gtk), Fedora (ruby and webkit2gtk3), Mageia (aspell and varnish), openSUSE (git), SUSE (ardana-cobbler, cassandra, cassandra-kit, crowbar-core, crowbar-openstack, documentation-suse-openstack-cloud, grafana, kibana, openstack-heat-templates, openstack-monasca-installer, openstack-nova, python-Django, python-elementpath, python-eventlet, python-py, python-pysaml2, python-six, python-xmlschema and git), and Ubuntu (libsndfile, mariadb-10.3, and webkit2gtk).
    2:07p
    [$] Hole punching races against page-cache filling
    Filesystem developers tend to disagree with each other about many things,
    but they are nearly unanimous in their dislike for the truncate()
    system call, which chops data off the end of a file. Implementing
    truncate() tends to be full of traps for the unwary — the kind of
    traps that can lead to lost data. But it turns out that a similar
    operation, called "hole punching", may be worse. This operation has been
    subject to difficult-to-hit but real race conditions in many filesystems
    for years; this
    patch set from Jan Kara     may finally be at a point where it can fill the
    hole in hole punching.
    9:36p
    FSF-funded call for white papers on philosophical and legal questions around Copilot
    On its blog, the Free Software Foundation (FSF) has
    announced
    a call for white papers about GitHub
    Copilot     and the questions surrounding
    it    . The FSF will pay $500 for papers that it publishes because they
    "help elucidate the problem":

    We can see that Copilot's use of freely licensed software has many
    implications for an incredibly large portion of the free software
    community. Developers want to know whether training a neural network on
    their software can really be considered fair use. Others who may be
    interested in using Copilot wonder if the code snippets and other elements
    copied from GitHub-hosted repositories could result in copyright
    infringement. And even if everything might be legally copacetic, activists
    wonder if there isn't something fundamentally unfair about a proprietary
    software company building a service off their work.
    10:22p
    The GNU C Library copyright-assignment policy changes
    The change in copyright-assignment policy proposed in June for the GNU C Library project has now been adopted:

    The changes to accept patches with or without FSF copyright assignment will be effective after August 2nd, and will apply to all open branches. Code shared with other GNU packages via Gnulib will continue to require assignment to the FSF.

    The library will continue to be licensed under the GNU Lesser Public License v2.1 or later.

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