[systemd-devel] systemd's connections to /run/systemd/private ?

[Zbigniew Jędrzejewski-Szmek]

On Thu, Aug 01, 2019 at 08:46:58AM -0400, Brian Reichert wrote:
> On Thu, Aug 01, 2019 at 08:17:01AM +0000, Zbigniew J??drzejewski-Szmek wrote:
> > The kernel will use the lower-numbered available fd, so there's lot of
> > "reuse" of the same numbers happening. This strace means that between
> > each of those close()s here, some other function call returned fd 19.
> > Until we know what those calls are, we cannot say why fd19 remains
> > open. (In fact, the only thing we can say for sure, is that the
> > accept4() call shown above is not relevant.)
> 
> So, what I propose at this step:
> 
> - Restart my strace, this time using '-e trace=desc' (Trace all
>   file descriptor related system calls.)
> 
> - Choose to focus on a single descriptor; when I passively notice
>   that '19' has been reused a couple of time, stop the trace.

Well, no. If you notice that '19' has STOPPED being reused, then
stop the trace. If it is being reused, then it's it's not "leaked".

Zbyszek