Le 18/10/2016 à 07:06, Marcel Holtmann a écrit : > Hi, > > so lately I am seeing a bunch of these warnings: > > netlink: 16 bytes leftover after parsing attributes.. > > While they give you the process name, they are still useless to track down > the message that causes them. I find them even more useless since an updated > userspace on an older kernel can trigger the nla_policy warning here. And > that updated userspace program is doing nothing wrong by including extra > attributes. So what purpose is this warning serving? Usually, it means that a netlink message is malformed, for example that the header of the family has the wrong size. An unknown attribute should not trigger this kind of message. Here is an example: http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e5eca6d41f53d
Regards, Nicolas