On Tue, Feb 06, 2018 at 10:56:20AM +0300, Tugrul Erdogan wrote: > Hi All, > > My server had a locking problem with the logs located below. I can not > reproduce this erroneous situation again but I think that there is an > active vulnerability at my server because of this error. > > My server's kernel version is v4.6.4. Probably this helps you? commit 49f817d793d1bcc11d721881aac037b996feef5c Author: Lin Zhang <xiaolou4617@xxxxxxxxx> Date: Fri Oct 6 00:44:03 2017 +0800 netfilter: SYNPROXY: skip non-tcp packet in {ipv4, ipv6}_synproxy_hook 4.6.4 is rather old, BTW. -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html