On Sat, Sep 11, 2021 at 12:47:10AM +0200, Alejandro Colomar wrote: > [Andrew]: > I noticed that clone3 can send the EACCES errno after I wrote a > program that used clone3 with the CLONE_INTO_CGROUP flag. > To me, it's important to know what kind of failure occurred if the > clone3() fails, so I was glad that a unique errno is set for > this case, but it wasn't documented on the clone man page. > > [Christian]: Hey Alejandro, I was on vacation last week so just catching up with mails now. > In essence, any error that could occur during regular fs-based migration > at write-time can also occur during CLONE_INTO_CGROUP. The clone3() > manpage just has the inverse of that above statement: > > "Note that all of the usual restrictions (described in cgroups(7)) on > placing a process into a version 2 cgroup apply." > > Reported-by: Andrew Wock <ajwock@xxxxxxxxx> > Acked-by: Christian Brauner <christian.brauner@xxxxxxxxxx> > Signed-off-by: Alejandro Colomar <alx.manpages@xxxxxxxxx> > --- Thanks for picking that up. Christian
