Hello. Seems like this is xt_TARPIT target issue, not the xt_CHAOS. Have you rebuild the xtables-addons? 2016-05-10 18:15 GMT+03:00 Feliksas <computershik@xxxxxxxxx>: > Greetings, > > Opened a bug on Launchpad, since it happened on Ubuntu, probably was > the wrong place to do that, so reposting here. > > After upgrading from Wily to Xenial, my server started being frequently > rebooted by an HP iLO watchdog. I turned it off, and installed kdump > tools, and managed to capture a kernel crashdump. Turned out to be a > network-related OOPS, looks like a bug with xtables modules and kernel > 4.4.0 (the issue doesn't seem to occur with 4.2.0). > > crash tool outputs for two crashes (occured in series with 5-minute > pause for server coldboot): > http://pastebin.com/BSyEmUyJ > > corresponding kernel backtraces: > http://pastebin.com/BMmqzrVP > http://pastebin.com/xQRA2kGP > > The offending iptables rule, now removed: > > iptables -A INPUT -j CHAOS --tarpit > > xtables-addons-dkms and xtables-addons-common version: > > Installed: 2.10-1build1 > Candidate: 2.10-1build1 > Version table: > *** 2.10-1build1 500 > 500 http://mirror.yandex.ru/ubuntu xenial/universe amd64 Packages > 100 /var/lib/dpkg/status > > Kernel version 4.4.0-22-generic #39-Ubuntu SMP Thu May 5 16:53:32 UTC > 2016 x86_64 x86_64 x86_64 GNU/Linux > > I still have the dumps and can provide any additional information > necessary. > > Bug on Launchpad: > https://bugs.launchpad.net/ubuntu/+source/xtables-addons/+bug/1579385 > > --- > Andrew > -- > 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 -- Anton. -- 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
