Re: emacs-28 6d3608be88: Seccomp: improve support for newer versions of glibc (Bug#51073)

[Robert Pluim]

>>>>> On Mon, 24 Jan 2022 17:00:25 +0200, Eli Zaretskii <eliz@gnu.org> said:

    >> From: Lars Ingebrigtsen <larsi@gnus.org>
    >> Date: Mon, 24 Jan 2022 15:38:24 +0100
    >> Cc: Po Lu <luangruo@yahoo.com>, phst@google.com, p.stephani2@gmail.com,
    >> emacs-devel@gnu.org
    >> 
    >> Eli Zaretskii <eliz@gnu.org> writes:
    >> 
    >> >> It apparently leads to crashes when Emacs is run under seccomp with a
    >> >> recent glibc version.
    >> >
    >> > That can happen any day, if glibc folks make some change we didn't
    >> > know about.  We cannot chase glibc development forever, we will never
    >> > succeed catching up with them, certainly not in the long run.
    >> 
    >> But this is a known glibc issue, and crashes aren't fun, so I think the
    >> seccomp change was warranted on the release branch.

    Eli> It is very worrisome that a change in glibc can break Emacs like that.
    Eli> I wonder what it means for the maintainability of Emacs in the long
    Eli> run.  I have a bad feeling about this.

We can always default the seccomp support to off.

Robert
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