Nick Kralevich e3a49a8661 stack protector: use AT_RANDOM
Populate the stack canaries from the kernel supplied
AT_RANDOM value, which doesn't involve any system calls.
This is slightly faster (6 fewer syscalls) and avoids
unnecessarily reading /dev/urandom, which depletes entropy.

Bug: 7959813

Change-Id: If2b43100a2a9929666df3de56b6139fed969e0f1
2013-01-16 10:09:52 -08:00
2013-01-16 10:09:52 -08:00
2013-01-04 16:32:54 -08:00
2013-01-16 10:09:52 -08:00
2013-01-16 10:09:52 -08:00
2010-03-08 18:04:02 -08:00
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