On Thu, Jul 24, 2014 at 8:18 AM, Henrique de Moraes Holschuh <hmh@xxxxxxxxxx> wrote: > On Thu, 24 Jul 2014, Theodore Ts'o wrote: >> ERRORS >> EINVAL An invalid flag was passed to getrandom(2) >> >> EFAULT buf is outside the accessible address space. >> >> EAGAIN The requested entropy was not available, and >> getentropy(2) would have blocked if GRND_BLOCK flag >> was set. >> >> EINTR While blocked waiting for entropy, the call was >> interrupted by a signal handler; see the description >> of how interrupted read(2) calls on "slow" devices >> are handled with and without the SA_RESTART flag >> in the signal(7) man page. > > Should we add E<SOMETHING> to be able to deny access to GRND_RANDOM or some > future extension ? This might actually be needed sooner rather than later. There are programs that use containers and intentionally don't pass /dev/random through into the container. I know that Sandstorm does this, and I wouldn't be surprised if other things (Docker?) do the same thing. --Andy -- To unsubscribe from this list: send the line "unsubscribe linux-api" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
