On Thu, Aug 22, 2019, 16:38 Ulrich Windl <Ulrich.Windl@xxxxxxxxxxxxxxxxxxxx> wrote:
>>> systemd tag bot <donotreply-systemd-tag@xxxxxxxxxx> schrieb am 22.08.2019
um
13:56 in Nachricht <20190822115637.1.05C510C92B339AF7@xxxxxxxxxx>:
> A new systemd ☠️ pre-release ☠️ has just been tagged. Please download the
> tarball here:
> * On 64 bit systems, the "kernel.pid_max" sysctl is now bumped to
> 4194304 by default, i.e. the full 22bit range the kernel allows,
> up
> from the old 16bit range. This should improve security and
> robustness, as PID collisions are made less likely (though
I doubt it's increasing robustness for any existing application as
pid_traditionally was 16 bit. I don't know if some applications try to
sprintf() a pid into a char[6], but if they do, it might cause an application
failure...
I've been using this value for at least 5 years, and did expect many issues at first, but so far haven't encountered any at all.
(I do kind of suspect that if there are any programs affected by this and without source code available, they would be so old that they wouldn't really run on a bleeding-edge distro anyway...)
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