From: Xin Long <lucien.xin@xxxxxxxxx> Date: Fri, 21 Sep 2018 15:55:34 +0800 > It's under the protection of the sock lock, I think any other places > that want to access the address also need to acquire this sock lock > first. Hash table lookups don't even have a socket context yet, so can't hold the sock lock, but look at the address for comparisons. Anything visible in a table lookup has to have stable keying information.