From mboxrd@z Thu Jan 1 00:00:00 1970 From: nuclearcat@nuclearcat.com Subject: 4.6.3 panic on nf_ct_delete (nf_conntrack) Date: Wed, 13 Jul 2016 23:06:47 +0300 Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit To: Linux Kernel Network Developers Return-path: Received: from nuclearcat.com ([144.76.183.226]:32830 "EHLO nuclearcat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751326AbcGMUHB (ORCPT ); Wed, 13 Jul 2016 16:07:01 -0400 Received: from localhost (localhost [127.0.0.1]) by nuclearcat.com (Postfix) with ESMTP id 1674967C0115 for ; Wed, 13 Jul 2016 20:06:49 +0000 (UTC) Received: from nuclearcat.com ([127.0.0.1]) by localhost (nuclearcat.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Nk3Nq4ngxW2O for ; Wed, 13 Jul 2016 20:06:47 +0000 (UTC) Received: from germany.nuclearcat.com (localhost [127.0.0.1]) (Authenticated sender: nuclearcat@nuclearcat.com) by nuclearcat.com (Postfix) with ESMTPA id 4A8B667C0110 for ; Wed, 13 Jul 2016 20:06:47 +0000 (UTC) Sender: netdev-owner@vger.kernel.org List-ID: Workload: pppoe server, 5k users on ppp interfaces. No actual SNAT/DNAT, but using connmark and REDIRECT [176412.990104] general protection fault: 0000 [#1] SMP [176412.990424] Modules linked in: sch_pie cls_fw act_police cls_u32 sch_ingress sch_sfq sch_htb netconsole [176412.991427] configfs coretemp nf_nat_pptp nf_nat_proto_gre nf_conntrack_pptp nf_conntrack_proto_gre pppoe pppox [176412.992571] ppp_generic slhc [176412.993218] tun xt_REDIRECT nf_nat_redirect xt_TCPMSS ipt_REJECT nf_reject_ipv4 xt_set ts_bm xt_string xt_connmark xt_DSCP xt_mark xt_tcpudp ip_set_hash_net ip_set_hash_ip ip_set nfnetlink iptable_mangle iptable_filter iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack ip_tables x_tables 8021q [176412.996208] garp mrp stp llc [176412.996834] CPU: 5 PID: 0 Comm: swapper/5 Not tainted 4.6.3-build-0105 #4 [176412.997037] Hardware name: HP ProLiant DL320e Gen8 v2, BIOS P80 04/02/2015 [176412.997241] task: ffff88043558af00 ti: ffff8804355a0000 task.ti: ffff8804355a0000 [176412.997580] RIP: 0010:[] [] nf_ct_delete+0x26/0x1dc [nf_conntrack] [176412.997985] RSP: 0018:ffff8804474a3e80 EFLAGS: 00010282 [176412.998187] RAX: ffff880428bc0c90 RBX: ffac050402505080 RCX: dead000000000200 [176412.998524] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff880428bc0c08 [176412.998865] RBP: ffff8804474a3ec8 R08: ffff8804474a3f08 R09: 0000000000000000 [176412.999204] R10: ffffffff820050c0 R11: 000000000000049a R12: ffff880428bc0c08 [176412.999545] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff820050c8 [176412.999885] FS: 0000000000000000(0000) GS:ffff8804474a0000(0000) knlGS:0000000000000000 [176413.000226] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [176413.000427] CR2: 00007f1dc4960100 CR3: 0000000002006000 CR4: 00000000001406e0 [176413.000767] Stack: [176413.000963] ffff8804474a3ec0 ffffffff810fb036 ffff88043558af07 ffff8804474adcc0 [176413.001534] 0000000080000100 ffffffffa003d2ad 00000000000000a1 ffff8804355a4000 [176413.002097] ffffffff820050c8 ffff8804474a3ed8 ffffffffa003d2ba ffff8804474a3ef8 [176413.002666] Call Trace: [176413.002862] [176413.002926] [] ? hrtimer_forward+0xd5/0xeb [176413.003322] [] ? nf_ct_delete+0x1dc/0x1dc [nf_conntrack] [176413.003525] [] death_by_timeout+0xd/0xf [nf_conntrack] [176413.003727] [] call_timer_fn.isra.26+0x17/0x6d [176413.003931] [] run_timer_softirq+0x176/0x197 [176413.004134] [] __do_softirq+0xb9/0x1a9 [176413.004333] [] irq_exit+0x37/0x7c [176413.004533] [] smp_apic_timer_interrupt+0x3d/0x48 [176413.004734] [] apic_timer_interrupt+0x7c/0x90 [176413.004935] [176413.004997] [] ? mwait_idle+0x68/0x7e [176413.005391] [] arch_cpu_idle+0xa/0xc [176413.005592] [] default_idle_call+0x27/0x29 [176413.005791] [] cpu_startup_entry+0x115/0x1bf [176413.005993] [] start_secondary+0xf1/0xf4 [176413.006193] Code: 5e 41 5f 5d c3 55 48 89 e5 41 57 41 56 41 55 41 54 41 89 f5 53 49 89 fc 41 89 d6 48 83 ec 20 48 8b 9f c8 00 00 00 48 85 db 74 20 b7 43 1c 66 85 c0 74 17 48 01 c3 74 12 48 83 7b 08 00 75 0b [176413.010382] RIP [] nf_ct_delete+0x26/0x1dc [nf_conntrack] [176413.010643] RSP [176413.010855] ---[ end trace cf1060fc5087293e ]--- [176413.018573] Kernel panic - not syncing: Fatal exception in interrupt [176413.018781] Kernel Offset: disabled [176413.046284] ERST: [Firmware Warn]: Firmware does not respond in time. [176413.050041] Rebooting in 5 seconds..