On Tue, 22 Sep 2020 at 12:35, Manuel Bouyer <bou...@antioche.eu.org> wrote: > > On Tue, Sep 22, 2020 at 02:31:50PM +0300, Andreas Gustafsson wrote: > > Manuel Bouyer wrote: > > > I'm not sure we want a user-triggerable kernel printf enabled by default. > > > This could be used to DOS the system (especially on serial consoles) > > > > You can already trigger kernel printfs as an unprivileged user. > > The first one that comes to mind is "sorry, pid %d was killed: > > orphaned traced process", but I'm sure there are many others. > > I think we should find and remove theses (or make them conditional) > instead of adding unconditional new ones
Maybe a standard way of rate limiting such messages, including indicating how many were skipped due to rate limiting when the next one gets printed? David
