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bug#43162: chgrp clears setgid even when group is not changed
From: |
Bob Proulx |
Subject: |
bug#43162: chgrp clears setgid even when group is not changed |
Date: |
Sun, 20 Sep 2020 17:07:03 -0600 |
Paul Eggert wrote:
> Karl Berry wrote:
> > I was on centos7.
> >
> > (I don't observe your problem on my Fedora 31 box, for example).
> >
> > Maybe there is hope for a future centos, then.
Just another few data points...
I was able to recreate this issue on a CentOS 7 system running in a
tmpfs filesystem. So that's pretty much pointing directly at the
Linux kernel behavior independent of file system type.
Meanwhile... I can also recreate this on a Debian system with a Linux
4.9 kernel in 9 Stretch. But not on 10 Buster Linux 4.19. But once
again not on an earlier Linux 3.2 kernel. 3.2 good, 4.9 bad, 4.19 good.
Therefore this seems to be a Linux behavior that was the desired way,
then flipped to the annoying behavior way, then has flipped back again
later. Apparently. Anyway just a few data points.
Bob