On 2013/10/03 5:45 PM, Theodore Ts'o ty...@mit.edu wrote:
On Thu, Oct 03, 2013 at 11:06:58PM +, Dilger, Andreas wrote:
The Lustre cfs_get_random_bytes() incorporates (via cfs_rand()) a seed
which also hashes in the addresses from any network interfaces that are
configured.
Conversely,
On Sat, Oct 05, 2013 at 10:21:21AM -0400, Theodore Ts'o wrote:
add_device_randomness() is called from __dev_open() and
dev_set_mac_address() in net/core/dev.c. This is above the ethernet
and infiniband level. So as long as it looks like a Linux network
device, and they are setting the
On Thu, Oct 03, 2013 at 12:39:08PM -0400, Theodore Ts'o wrote:
I've been auditing uses of get_random_bytes() since there are places
where get_random_bytes() is getting used where something weaker, such
as prandom_u32() is quite sufficient. Basically, if kernel code just
needs a random number
On Thu, Oct 03, 2013 at 10:26:21AM -0700, Greg KH wrote:
Does this sound reasonable?
Sounds reasonable to me, care to send a patch to do so?
I can do that, but I was waiting for Andras, Peng or Nikita to let me
now if there was something I was missing or not. I'm pretty sure it's
On Thu, Oct 03, 2013 at 11:06:58PM +, Dilger, Andreas wrote:
The Lustre cfs_get_random_bytes() incorporates (via cfs_rand()) a seed
which
also hashes in the addresses from any network interfaces that are
configured.
Conversely, cfs_rand() also is seeded at startup from
