From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexey Dobriyan Subject: more info on ipsec-related invalid trusize Date: Tue, 25 Nov 2008 07:28:57 +0300 Message-ID: <20081125042752.GA4085@x200.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii To: netdev@vger.kernel.org Return-path: Received: from ey-out-2122.google.com ([74.125.78.26]:5681 "EHLO ey-out-2122.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753630AbYKYEZF (ORCPT ); Mon, 24 Nov 2008 23:25:05 -0500 Received: by ey-out-2122.google.com with SMTP id 6so954902eyi.37 for ; Mon, 24 Nov 2008 20:25:03 -0800 (PST) Content-Disposition: inline Sender: netdev-owner@vger.kernel.org List-ID: http://bugzilla.kernel.org/show_bug.cgi?id=10996 http://marc.info/?l=linux-netdev&m=122641698504902&w=2 SKB BUG: Invalid truesize (344) len=134, sizeof(sk_buff)=216 This correlates with ping6 the box to death with the following IPsec configuration and entering/leaving tcpdumping on the other end. Numbers are always the same. It _looks_like_ IPv4 ping is fine, but I haven't experimented much. #!/usr/sbin/setkey -f flush; spdflush; add 192.168.0.1 192.168.0.42 ah 15700 -A hmac-md5 "1234567890123456"; add 192.168.0.1 192.168.0.42 esp 15701 -E 3des-cbc "123456789012123456789012"; add 192.168.0.42 192.168.0.1 ah 24500 -A hmac-md5 "1234567890123456"; add 192.168.0.42 192.168.0.1 esp 24501 -E 3des-cbc "123456789012123456789012"; spdadd 192.168.0.42 192.168.0.1 any -P out ipsec esp/transport//require ah/transport//require; spdadd 192.168.0.1 192.168.0.42 any -P in ipsec esp/transport//require ah/transport//require; # ipv6 add -6 fe80::218:f3ff:fea2:9f90 fe80::21b:38ff:feaf:2249 ah 4242 -A hmac-md5 "1234567890123457"; add -6 fe80::218:f3ff:fea2:9f90 fe80::21b:38ff:feaf:2249 esp 4243 -E 3des-cbc "123456789012123456789012"; add -6 fe80::21b:38ff:feaf:2249 fe80::218:f3ff:fea2:9f90 ah 4244 -A hmac-md5 "1234567890123457"; add -6 fe80::21b:38ff:feaf:2249 fe80::218:f3ff:fea2:9f90 esp 4245 -E 3des-cbc "123456789012123456789012"; spdadd fe80::21b:38ff:feaf:2249 fe80::218:f3ff:fea2:9f90 any -P out ipsec esp/transport//require ah/transport//require; spdadd fe80::218:f3ff:fea2:9f90 fe80::21b:38ff:feaf:2249 any -P in ipsec esp/transport//require ah/transport//require;