Fwd: [Bug 42957] New: Kernel trap probably by malicious packet from torrent peer

----- Forwarded Message -----

https://bugzilla.kernel.org/show_bug.cgi?id=42957

           Summary: Kernel trap probably by malicious packet from
           torrent
                    peer
           Product: Networking
           Version: 2.5
    Kernel Version: 3.0.23
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: IPV4
        AssignedTo: shemminger@linux-foundation.org
        ReportedBy: warpme@o2.pl
        Regression: No


Hi,

Last day I got 2 traps on otherwise (months of 24/7 uptime) stable
server. I
see correlation with launching torrent download (transmission
client). Sys is
64-bit ArchLinux with 3.0.23 kernel. Log from trap is below. I submit
this in
IPv4 - but I'll appreciate if somebody will deduce from trap log
proper
category/kernel component involved/responsible this issue.

------------[ cut here ]------------
Mar 17 19:32:47 [98071.093459] WARNING: at net/ipv4/tcp_input.c:2999
tcp_ack+0x1e34/0x2080()
Mar 17 19:32:47 [98071.093461] Hardware name: GA-880GA-UD3H
Mar 17 19:32:47 [98071.093462] Modules linked in: md5 dvbloopback
nfsd exportfs
nfs nfs_acl lockd auth_rpcgss fscache sunrpc xt_multiport xt_recent
xt_state
xt_tcpudp dvb_pll cx22702 stb6100 stv090x cx88_dvb videobuf_dvb
cx88_vp3054_i2c
dvb_core iptable_mangle rc_hauppauge iptable_nat nf_nat
nf_conntrack_ipv4
nf_defrag_ipv4 nf_conntrack iptable_filter ip_tables x_tables
rc_tbs_nec
appletalk ipx p8023 psnap p8022 llc snd_hda_codec_hdmi tuner cx8802
cx8800
cx88xx tveeprom btcx_risc videobuf_dma_sg videobuf_core v4l2_common
videodev
snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc
snd_timer snd
radeon soundcore drm_kms_helper ttm drm ir_lirc_codec lirc_dev
i2c_algo_bit
ir_sony_decoder ir_jvc_decoder ir_rc6_decoder i2c_piix4 shpchp wmi
pci_hotplug
i2c_core ftdi_sio usbserial edac_mce_amd v4l2_compat_ioctl32
ir_rc5_decoder
media ir_nec_decoder rc_core sp5100_tco edac_core processor e1000e
button r8169
mii pcspkr evdev k10temp loop it87 hwmon_vid ipv6 autofs4 ext3
mbcache jbd
sd_mod pata_jmi
Mar 17 19:32:47 cron pata_acpi ata_generic ahci libahci libata
scsi_mod
ohci_hcd ehci_hcd xhci_hcd usbcore
Mar 17 19:32:47 [98071.093507] Pid: 0, comm: kworker/0:0 Tainted: G
       W
3.0-ARCH #1
Mar 17 19:32:47 [98071.093508] Call Trace:
Mar 17 19:32:47 [98071.093509]  <IRQ>  [<ffffffff8105c8ff>]
warn_slowpath_common+0x7f/0xc0
Mar 17 19:32:47 [98071.093514]  [<ffffffff8105c95a>]
warn_slowpath_null+0x1a/0x20
Mar 17 19:32:47 [98071.093517]  [<ffffffff81380c74>]
tcp_ack+0x1e34/0x2080
Mar 17 19:32:47 [98071.093520]  [<ffffffffa026a1b7>] ?
ipt_do_table+0x227/0x5b0
[ip_tables]
Mar 17 19:32:47 [98071.093523]  [<ffffffff81381d50>]
tcp_rcv_established+0x280/0x830
Mar 17 19:32:47 [98071.093525]  [<ffffffff81388d6f>]
tcp_v4_do_rcv+0x10f/0x310
Mar 17 19:32:47 [98071.093544]  [<ffffffff81348545>] ?
sk_filter+0x95/0xd0
Mar 17 19:32:47 [98071.093546]  [<ffffffff8138ae14>]
tcp_v4_rcv+0x624/0x910
Mar 17 19:32:47 [98071.093549]  [<ffffffff8136804d>]
ip_local_deliver_finish+0xed/0x2b0
Mar 17 19:32:47 [98071.093551]  [<ffffffff813683e0>]
ip_local_deliver+0x90/0xa0
Mar 17 19:32:47 [98071.093553]  [<ffffffff81367d21>]
ip_rcv_finish+0x131/0x370
Mar 17 19:32:47 [98071.093556]  [<ffffffff81368615>]
ip_rcv+0x225/0x2f0
Mar 17 19:32:47 [98071.093559]  [<ffffffff81334c1a>]
__netif_receive_skb+0x30a/0x660
Mar 17 19:32:47 [98071.093561]  [<ffffffff8133574d>]
netif_receive_skb+0xad/0xc0
Mar 17 19:32:47 [98071.093564]  [<ffffffff81336140>]
napi_skb_finish+0x50/0x70
Mar 17 19:32:47 [98071.093567]  [<ffffffff81336255>]
napi_gro_receive+0xf5/0x140
Mar 17 19:32:47 [98071.093572]  [<ffffffffa01c6dbb>]
e1000_receive_skb+0x5b/0x70 [e1000e]
Mar 17 19:32:47 [98071.093578]  [<ffffffffa01c8702>]
e1000_clean_rx_irq+0x2c2/0x430 [e1000e]
Mar 17 19:32:47 [98071.093581]  [<ffffffff8108404f>] ?
hrtimer_interrupt+0x12f/0x210
Mar 17 19:32:47 [98071.093586]  [<ffffffffa01c811f>]
e1000_clean+0xaf/0x2b0
[e1000e]
Mar 17 19:32:47 [98071.093589]  [<ffffffff81335a29>]
net_rx_action+0x149/0x300
Mar 17 19:32:47 [98071.093592]  [<ffffffff81063f90>]
__do_softirq+0xb0/0x270
Mar 17 19:32:47 [98071.093594]  [<ffffffff813f875c>]
call_softirq+0x1c/0x30
Mar 17 19:32:47 [98071.093596]  [<ffffffff8100db25>]
do_softirq+0x65/0xa0
Mar 17 19:32:47 [98071.093598]  [<ffffffff8106449e>]
irq_exit+0x9e/0xc0
Mar 17 19:32:47 [98071.093600]  [<ffffffff813f8fb3>] do_IRQ+0x63/0xe0
Mar 17 19:32:47 [98071.093603]  [<ffffffff813f6c93>]
common_interrupt+0x13/0x13
Mar 17 19:32:47 [98071.093604]  <EOI>  [<ffffffff81031e9b>] ?
native_safe_halt+0xb/0x10
Mar 17 19:32:47 [98071.093609]  [<ffffffff81014173>]
default_idle+0x53/0x2a0
Mar 17 19:32:47 [98071.093611]  [<ffffffff8101499a>]
amd_e400_idle+0x9a/0x120
Mar 17 19:32:47 [98071.093614]  [<ffffffff8100a21a>]
cpu_idle+0xba/0x100
Mar 17 19:32:47 [98071.093616]  [<ffffffff813e6169>]
start_secondary+0x202/0x209
Mar 17 19:32:47 [98071.093618] ---[ end trace 4fecd84b3e9e66ee ]---
Mar 17 19:32:47 [98071.274828] ------------[ cut here ]------------

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