> On Tue, 11 Mar 2014 14:49:25 +0200 > Tomas Winkler <[email protected]> wrote: > > > From: Alexander Usyskin <[email protected]> > > > > Consistently display error on possible copy_from/to_user failures > > and replace dev_dbg with dev_err > > NAK > > This allows users to flood the logs by deliberately causing lots of these > failed to copy data error messages, and if they can flood the logs they > can hide other stuff. > > The -EFAULT cases should be consistent - but consistently *not* logged.
Yep, that's really looks like a possible exploit, please drop this patch. Tomas -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
