[LTP] [PATCH v4 3/3] syscalls/openat: Add new regression test when using open(O_TMPFILE) under umask

[Christian Brauner]

On Thu, Sep 22, 2022 at 11:27:43AM +0200, Cyril Hrubis wrote:
> Hi!
> > > And this one is probably missing some kernel commit tags too, since the only that that is attached is supposedly in 5.19 but the test still fails.
> > 
> > > I supposed that we should add the 426b4ca2d6a5 to the test tags here as well, right?
> > 
> > Yes, BTW,  I usually use git tag --contains command, so I know this kernel fix is belong to 6.0.
> > 
> > git tag --contains ac6800e27
> > v6.0-rc1
> > v6.0-rc2
> 
> Now I'm confused, if I do git describe ac6800e27 it says that it's a
> second commit on the top of 5.19-rc7. So shouldn't the the git tag
> --contains report 5.19-rc8 and newer? What do I miss?

So, ac6800e279a2 ("fs: Add missing umask strip in vfs_tmpfile") has been
backported to kernels since before the dawn of time. But the the all the
pieces that move setgid handling out of individual filesystems and into
the vfs proper are only >= v6.0-rc1.