Am Dienstag, 31. August 2021, 00:00:02 CEST schrieb Greg Wooledge: > On Mon, Aug 30, 2021 at 09:29:14PM +0000, Andy Smith wrote: > > Hello, > > > > On Mon, Aug 30, 2021 at 05:07:16PM -0400, Greg Wooledge wrote: > > > unicorn:~$ strace bash -c 'echo stuff >> /tmp/123' > > > [...] > > > openat(AT_FDCWD, "/tmp/123", O_WRONLY|O_CREAT|O_APPEND, 0666) = -1 > > > EACCES (Permission denied) > > > > > > As far as I can see, this is a kernel bug. Unless I'm overlooking > > > something...? > > > > I think it's the sysctl fs.protected_regular: > > https://unix.stackexchange.com/a/503169 > > I think you're right. The changed behavior doesn't happen in /srv (only > in /tmp), nor does it happen on a buster system. > > According to <https://www.spinics.net/lists/fedora-devel/msg252453.html> > and <https://github.com/systemd/systemd/blob/main/NEWS>, the change > actually happened in... wait for it... systemd. > > *sigh*
Hi Andy and Greg, many thanks for you very helpful replies, that explains the behavior fully. Rainer -- Rainer Dorsch http://bokomoko.de/
