On Tue, Feb 22, 2005 at 04:55:39PM -0500, Bob O'Neill wrote: > Hello. > > I have noticed that it is possible on an SMP box for two processes to > simultaneously read the same entropy out of /dev/urandom. This > doesn't seem right to me. I was using the entropy value to generate a > random number to use as a session ID, so occasionally there would be a > collision on session IDs, causing a login failure as session IDs are > required to be unique. This issue does not appear to be related to > entropy depletion. > > Could you provide me with some insight into why this is the case, if > it is intentional? It seems like it could be addressed with a > spinlock.
This should be fixed in current kernels. -- Mathematics is the supreme nostalgia of our time. - 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/
