From mboxrd@z Thu Jan 1 00:00:00 1970 From: Benjamin LaHaise Subject: 3.6.10 tcp crash - net/ipv4/tcp.c:1667 & tcp.c:1655 Date: Mon, 17 Dec 2012 12:41:45 -0500 Message-ID: <20121217174145.GH22452@kvack.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 8BIT To: netdev@vger.kernel.org Return-path: Received: from kanga.kvack.org ([205.233.56.17]:55797 "EHLO kanga.kvack.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753654Ab2LQRlq convert rfc822-to-8bit (ORCPT ); Mon, 17 Dec 2012 12:41:46 -0500 Content-Disposition: inline Sender: netdev-owner@vger.kernel.org List-ID: Hi folks, I just hit the following crash with Fedora's 3.6.10-2.fc17 kernel. I don't have time to debug this myself at the moment, but can certainly test patches or provide more info as needed. I wasn't doing anything unusual at the time, just reading email/web browsing. I believe the network driver in use was ipheth for tethering to an iPhone 4S over USB (the other driver being used intermittently on this laptop is iwlwifi). Any ideas? -ben -- "Thought is the essence of where you are now." Dec 17 12:28:40 lappy kernel: [ 4044.846922] ------------[ cut here ]------------ Dec 17 12:28:40 lappy kernel: [ 4044.846931] WARNING: at net/ipv4/tcp.c:1667 tcp_recvmsg+0xc25/0xd80() Dec 17 12:28:40 lappy kernel: [ 4044.846933] Hardware name: HP Pavilion dv7 Notebook PC Dec 17 12:28:40 lappy kernel: [ 4044.846935] recvmsg bug 2: copied DE50E114 seq 90D65A21 rcvnxt DE50E114 fl 0 Dec 17 12:28:40 lappy kernel: [ 4044.846936] Modules linked in: fuse lockd sunrpc rfcomm bnep ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack btusb bluetooth snd_hda_codec_hdmi arc4 iwldvm ipheth mac80211 iTCO_wdt iTCO_vendor_support hp_wmi sparse_keymap uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev media coretemp microcode i7core_edac edac_core snd_hda_codec_idt i2c_i801 ir_lirc_codec lirc_dev ir_mce_kbd_decoder ir_sanyo_decoder iwlwifi snd_hda_intel ir_sony_decoder snd_hda_codec cfg80211 snd_hwdep jmb38x_ms snd_seq snd_seq_device ir_jvc_decoder lpc_ich memstick mfd_core ir_rc6_decoder snd_pcm r8169 mii rfkill ir_rc5_decoder ir_nec_decoder snd_page_alloc snd_timer snd soundcore vhost_net t un macvtap macvlan rc_rc6_mce kvm ene_ir rc_core hp_accel lis3lv02d input_polldev uinput crc32c_intel sdhci_pci firewire_ohci sdhci firewire_core mmc_core crc_itu_t nouveau mxm_wmi wmi video i2c_algo_bit drm_kms_helper ttm drm Dec 17 12:28:40 lappy kernel: i2c_core Dec 17 12:28:40 lappy kernel: [ 4044.847025] Pid: 2080, comm: Socket Thread Tainted: G W 3.6.10-2.fc17.x86_64 #1 Dec 17 12:28:40 lappy kernel: [ 4044.847030] Call Trace: Dec 17 12:28:40 lappy kernel: [ 4044.847035] [] warn_slowpath_common+0x7f/0xc0 Dec 17 12:28:40 lappy kernel: [ 4044.847038] [] warn_slowpath_fmt+0x46/0x50 Dec 17 12:28:40 lappy kernel: [ 4044.847040] [] tcp_recvmsg+0xc25/0xd80 Dec 17 12:28:40 lappy kernel: [ 4044.847043] [] inet_recvmsg+0x6b/0x80 Dec 17 12:28:40 lappy kernel: [ 4044.847047] [] sock_recvmsg+0xd7/0x110 Dec 17 12:28:40 lappy kernel: [ 4044.847051] [] ? __pollwait+0xf0/0xf0 Dec 17 12:28:40 lappy kernel: [ 4044.847053] [] ? __pollwait+0xf0/0xf0 Dec 17 12:28:40 lappy kernel: [ 4044.847055] [] sys_recvfrom+0xef/0x170 Dec 17 12:28:40 lappy kernel: [ 4044.847058] [] ? __pollwait+0xf0/0xf0 Dec 17 12:28:40 lappy kernel: [ 4044.847062] [] ? __audit_syscall_entry+0xcc/0x300 Dec 17 12:28:40 lappy kernel: [ 4044.847064] [] ? __audit_syscall_exit+0x3ec/0x450 Dec 17 12:28:40 lappy kernel: [ 4044.847067] [] system_call_fastpath+0x16/0x1b Dec 17 12:28:40 lappy kernel: [ 4044.847068] ---[ end trace 28d4acf1e1aa598d ]--- Dec 17 12:28:40 lappy kernel: [ 4044.847069] ------------[ cut here ]------------ Dec 17 12:28:40 lappy kernel: [ 4044.847071] WARNING: at net/ipv4/tcp.c:1655 tcp_recvmsg+0x671/0xd80() Dec 17 12:28:40 lappy kernel: [ 4044.847072] Hardware name: HP Pavilion dv7 Notebook PC Dec 17 12:28:40 lappy kernel: [ 4044.847073] recvmsg bug: copied DE50E114 seq 0 rcvnxt DE50E114 fl 0 Dec 17 12:28:40 lappy kernel: [ 4044.847074] Modules linked in: fuse lockd sunrpc rfcomm bnep ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack btusb bluetooth snd_hda_codec_hdmi arc4 iwldvm ipheth mac80211 iTCO_wdt iTCO_vendor_support hp_wmi sparse_keymap uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev media coretemp microcode i7core_edac edac_core snd_hda_codec_idt i2c_i801 ir_lirc_codec lirc_dev ir_mce_kbd_decDec 17 12:29:32 lappy kernel: imklog 5.8.10, log source = /proc/kmsg started.