[systemd-devel] Antw: systemd prerelease 243-rc2

[Tomasz Torcz]

On Thu, Aug 22, 2019 at 03:38:05PM +0200, Ulrich Windl wrote:
> >>> systemd tag bot <donotreply-systemd-tag at refi64.com> schrieb am 22.08.2019
> um
> 13:56 in Nachricht <20190822115637.1.05C510C92B339AF7 at refi64.com>:
> > 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...

  What kind of tradition would that be?  Could you please point the
specific standard and implentation?  Everywhere I look pid_t is
"signed integer type" which is implemented as 32 bits.


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