Il 25/05/2013 14:48, Tejun Heo ha scritto: >>> * Merge the patch to give out SG_IO access along with write access, so >>> > > the use cases which want to give out SG_IO access can do so >>> > > explicitly and be fully responsible for the device. This makes >>> > > sense to me. If one wants to be allowed to issue raw commands to >>> > > the hardware, one takes the full responsibility. >> > >> > That's not possible; it would make it impossible to do things like using >> > a privileged helper to open the file and passing it back via SCM_RIGHTS >> > to an unprivileged program (running as the user). This is the ptrace >> > attack that you mentioned. > I have no idea what you're talking about. I'm describing the same > thing you implemented and posted. Ok, I think we need a rewind. I'll try to post what I mean next week. Paolo -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
