From mboxrd@z Thu Jan 1 00:00:00 1970 From: Denys Fedoryshchenko Subject: 4.9.2 panic, __skb_flow_dissect, gro? Date: Wed, 11 Jan 2017 01:26:52 +0200 Message-ID: <359da98eb44a5a9f9f286cc380143654@nuclearcat.com> 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]:37574 "EHLO nuclearcat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751861AbdAJX04 (ORCPT ); Tue, 10 Jan 2017 18:26:56 -0500 Received: from localhost (localhost [127.0.0.1]) by nuclearcat.com (Postfix) with ESMTP id 7105A67C353B for ; Tue, 10 Jan 2017 23:26:54 +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 a91ekQihai6E for ; Tue, 10 Jan 2017 23:26:52 +0000 (UTC) Received: from germany.nuclearcat.com (localhost [127.0.0.1]) (Authenticated sender: nuclearcat@nuclearcat.com) by nuclearcat.com (Postfix) with ESMTPA id 9FB0C67C0265 for ; Tue, 10 Jan 2017 23:26:52 +0000 (UTC) Sender: netdev-owner@vger.kernel.org List-ID: Hi, Got panic message on 4.9.2 with latest patches from stable-queue, probably it affects all 4.9 version Panic message: dmesg-erst-6374119981415661569:<6>[ 23.110324] ip_set: protocol 6 dmesg-erst-6374119981415661569:<1>[ 28.117455] BUG: unable to handle kernel NULL pointer dereference at 0000000000000078 dmesg-erst-6374119981415661569:<1>[ 28.118036] IP: [] __skb_flow_dissect+0x73f/0x931 dmesg-erst-6374119981415661569:<4>[ 28.118360] PGD 0 dmesg-erst-6374119981415661569:<4>[ 28.118427] dmesg-erst-6374119981415661569:<4>[ 28.118730] Oops: 0000 [#1] SMP dmesg-erst-6374119981415661569:<4>[ 28.118977] Modules linked in: xt_TCPMSS xt_connmark ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_nat xt_rateest xt_RATEEST nf_conntrack_pptp nf_conntrack_proto_gre xt_CT xt_set xt_hl xt_tcpudp ip_set_hash_net ip_set nfnetlink iptable_raw iptable_mangle iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_filter ip_tables x_tables 8021q garp mrp stp llc netconsole configfs bonding ixgbe dca ipmi_watchdog ipmi_si acpi_ipmi ipmi_msghandler dmesg-erst-6374119981415661569:<4>[ 28.122784] CPU: 4 PID: 0 Comm: swapper/4 Not tainted 4.9.2-build-0127 #3 dmesg-erst-6374119981415661569:<4>[ 28.123042] Hardware name: Intel Corporation S2600WTT/S2600WTT, BIOS SE5C610.86B.01.01.0019.101220160604 10/12/2016 dmesg-erst-6374119981415661569:<4>[ 28.123488] task: ffff882fa6af24c0 task.stack: ffffc90031338000 dmesg-erst-6374119981415661569:<4>[ 28.123742] RIP: 0010:[] [] __skb_flow_dissect+0x73f/0x931 dmesg-erst-6374119981415661569:<4>[ 28.124243] RSP: 0018:ffff882fbfb03ce8 EFLAGS: 00010206 dmesg-erst-6374119981415661569:<4>[ 28.124497] RAX: 0000000000000130 RBX: 0000000000000022 RCX: ffff882f9eabb000 dmesg-erst-6374119981415661569:<4>[ 28.124756] RDX: 0000000000000010 RSI: ffff882f9eabb026 RDI: 000000000000002f dmesg-erst-6374119981415661569:<4>[ 28.125015] RBP: ffff882fbfb03d78 R08: 000000000000000c R09: ffff882f9eabb022 dmesg-erst-6374119981415661569:<4>[ 28.125275] R10: 0000000000000140 R11: 0000000000000001 R12: 0000000000000b88 dmesg-erst-6374119981415661569:<4>[ 28.125532] R13: ffff882fbfb03d9c R14: 0000000000000000 R15: ffffffff820c11a0 dmesg-erst-6374119981415661569:<4>[ 28.125792] FS: 0000000000000000(0000) GS:ffff882fbfb00000(0000) knlGS:0000000000000000 dmesg-erst-6374119981415661569:<4>[ 28.126227] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 dmesg-erst-6374119981415661569:<4>[ 28.126482] CR2: 0000000000000078 CR3: 000000607f007000 CR4: 00000000001406e0 dmesg-erst-6374119981415661569:<4>[ 28.126741] Stack: dmesg-erst-6374119981415661569:<4>[ 28.126983] ffff882fbfb03cf8 ffffffff81885afb 00000001bfb03d88 ffffffff818953b5 dmesg-erst-6374119981415661569:<4>[ 28.127675] ffff882fbfb03d9c 2f00000800000000 ffff882f9eabb000 ffff882fbfb03d48 dmesg-erst-6374119981415661569:<4>[ 28.128350] ffffffff818ef3e4 ffff882fa4177400 000000000000004e 0000000000000000 dmesg-erst-6374119981415661569:<4>[ 28.129027] Call Trace: dmesg-erst-6374119981415661569:<4>[ 28.129271] dmesg-erst-6374119981415661569:<4>[ 28.129340] [] ? kfree_skb+0x25/0x27 dmesg-erst-6374119981415661569:<4>[ 28.129655] [] ? __netif_receive_skb_core+0x61b/0x807 dmesg-erst-6374119981415661569:<4>[ 28.129917] [] ? udp4_gro_receive+0x1f6/0x256 dmesg-erst-6374119981415661569:<4>[ 28.130174] [] eth_get_headlen+0x4c/0x82 dmesg-erst-6374119981415661569:<4>[ 28.130435] [] ixgbe_clean_rx_irq+0x546/0x924 [ixgbe] dmesg-erst-6374119981415661569:<4>[ 28.130694] [] ixgbe_poll+0x4ef/0x679 [ixgbe] dmesg-erst-6374119981415661569:<4>[ 28.130952] [] net_rx_action+0x107/0x27d dmesg-erst-6374119981415661569:<4>[ 28.131207] [] __do_softirq+0xb5/0x1a3 dmesg-erst-6374119981415661569:<4>[ 28.131460] [] irq_exit+0x4d/0x8e dmesg-erst-6374119981415661569:<4>[ 28.131712] [] do_IRQ+0xaa/0xc2 dmesg-erst-6374119981415661569:<4>[ 28.131965] [] common_interrupt+0x7c/0x7c dmesg-erst-6374119981415661569:<4>[ 28.132217] dmesg-erst-6374119981415661569:<4>[ 28.132286] [] ? mwait_idle+0x4e/0x61 dmesg-erst-6374119981415661569:<4>[ 28.132773] [] arch_cpu_idle+0xa/0xc dmesg-erst-6374119981415661569:<4>[ 28.133026] [] default_idle_call+0x20/0x22 dmesg-erst-6374119981415661569:<4>[ 28.133282] [] cpu_startup_entry+0xde/0x185 dmesg-erst-6374119981415661569:<4>[ 28.133539] [] start_secondary+0xe8/0xeb dmesg-erst-6374119981415661569:<4>[ 28.133792] Code: f7 e8 eb 63 ff ff 85 c0 0f 88 d5 01 00 00 44 8b 45 80 48 8d 75 b0 66 44 8b 66 0c 41 83 c0 0e e9 87 00 00 00 41 8d 50 04 66 85 c0 <41> 8b 46 78 44 0f 48 c2 41 2b 46 7c 42 8d 34 03 29 f0 83 f8 03 dmesg-erst-6374119981415661569:<1>[ 28.138401] RIP [] __skb_flow_dissect+0x73f/0x931 dmesg-erst-6374119981415661569:<4>[ 28.138718] RSP dmesg-erst-6374119981415661569:<4>[ 28.138964] CR2: 0000000000000078 dmesg-erst-6374119981415661569:<4>[ 28.139215] ---[ end trace 46fb1cf5af272d67 ]---