Created attachment 111871 [details]
dmesg output

[ 3509.829446] BUG: unable to handle kernel NULL pointer dereference at 00000000000000c0
[ 3509.829526] IP: [<ffffffff815fade9>] dst_release+0x19/0x70
[ 3509.829554] PGD 0 
[ 3509.829566] Oops: 0002 [#1] SMP 
[ 3509.829583] Modules linked in: hidp fuse nf_conntrack_netbios_ns nf_conntrack_broadcast ipt_MASQUERADE ip6t_REJECT xt_conntrack ebtable_nat ebtable_broute bridge stp llc ebtable_filter ebtables ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_security ip6table_raw ip6table_filter ip6_tables iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_security iptable_raw bnep iTCO_wdt iTCO_vendor_support ppdev x86_pkg_temp_thermal coretemp kvm_intel btusb bluetooth kvm rfkill crc32_pclmul crc32c_intel ghash_clmulni_intel microcode snd_hda_codec_realtek snd_emu10k1 snd_hda_codec_hdmi snd_util_mem serio_raw snd_rawmidi snd_ac97_codec i2c_i801 snd_hda_intel snd_hda_codec ac97_bus snd_hwdep snd_seq snd_seq_device emu10k1_gp snd_pcm
[ 3509.829977]  gameport snd_page_alloc r8169 snd_timer mii mei_me snd mei lpc_ich shpchp mfd_core soundcore parport_pc parport acpi_cpufreq mperf binfmt_misc nfsd auth_rpcgss nfs_acl lockd sunrpc usb_storage hid_logitech_dj i915 i2c_algo_bit firewire_ohci drm_kms_helper firewire_core drm sata_sil24 crc_itu_t i2c_core video
[ 3509.830149] CPU: 4 PID: 7409 Comm: transmission-gt Tainted: G        W    3.11.6-300.fc20.x86_64+debug #1
[ 3509.830189] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F8 08/03/2013
[ 3509.830225] task: ffff88080fe1a4b0 ti: ffff88033e41e000 task.ti: ffff88033e41e000
[ 3509.830256] RIP: 0010:[<ffffffff815fade9>]  [<ffffffff815fade9>] dst_release+0x19/0x70
[ 3509.830293] RSP: 0018:ffff88033e41fbb8  EFLAGS: 00010202
[ 3509.830315] RAX: 00000000ffffffff RBX: 0000000000000040 RCX: 0000000000000000
[ 3509.830345] RDX: ffff88080fe1a4b0 RSI: 0000000000000000 RDI: 0000000000000040
[ 3509.830371] RBP: ffff88033e41fbc8 R08: 0000000000000000 R09: 0000000000000001
[ 3509.830398] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88075d345a00
[ 3509.830428] R13: 0000000000000000 R14: ffff8803dca52d00 R15: 000000000000059e
[ 3509.830458] FS:  00007ff741344700(0000) GS:ffff88081f400000(0000) knlGS:0000000000000000
[ 3509.830490] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3509.830515] CR2: 00000000000000c0 CR3: 000000033e547000 CR4: 00000000001407e0
[ 3509.830545] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3509.830574] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3509.830603] Stack:
[ 3509.830612]  ffff8803dca52d00 ffff88075d345a00 ffff88033e41fbe0 ffffffff815e0391
[ 3509.830648]  ffff8803dca52d00 ffff88033e41fbf8 ffffffff815e0122 ffff8803dca52d00
[ 3509.830685]  ffff88033e41fc10 ffffffff815e0152 ffff8803dca52d00 ffff88033e41fc38
[ 3509.830715] Call Trace:
[ 3509.830730]  [<ffffffff815e0391>] skb_release_head_state+0xd1/0x100
[ 3509.830765]  [<ffffffff815e0122>] skb_release_all+0x12/0x30
[ 3509.830794]  [<ffffffff815e0152>] __kfree_skb+0x12/0x20
[ 3509.830815]  [<ffffffff815e488e>] skb_free_datagram_locked+0x8e/0xc0
[ 3509.830842]  [<ffffffff816686a6>] udp_recvmsg+0x176/0x3f0
[ 3509.830865]  [<ffffffff81677019>] inet_recvmsg+0x129/0x220
[ 3509.830888]  [<ffffffff815d59d8>] sock_recvmsg+0xa8/0xe0
[ 3509.830909]  [<ffffffff81668e59>] ? udp_poll+0xe9/0x230
[ 3509.830938]  [<ffffffff81668d75>] ? udp_poll+0x5/0x230
[ 3509.830968]  [<ffffffff815d5b42>] SYSC_recvfrom+0xe2/0x160
[ 3509.830991]  [<ffffffff812111e9>] ? fget_light+0xf9/0x510
[ 3509.831015]  [<ffffffff8137a8ce>] ? trace_hardirqs_on_thunk+0x3a/0x3f
[ 3509.831051]  [<ffffffff815d6a1e>] SyS_recvfrom+0xe/0x10
[ 3509.831083]  [<ffffffff8173bd59>] system_call_fastpath+0x16/0x1b
[ 3509.831105] Code: 0e fe ff ff 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 85 ff 48 89 e5 41 54 53 48 89 fb 74 1b b8 ff ff ff ff <f0> 0f c1 87 80 00 00 00 83 e8 01 41 89 c4 78 0b f6 43 60 10 75 
[ 3509.831322] RIP  [<ffffffff815fade9>] dst_release+0x19/0x70
[ 3509.831361]  RSP <ffff88033e41fbb8>
[ 3509.831375] CR2: 00000000000000c0
[ 3509.838971] ---[ end trace a035a17a2bcd5366 ]---


[mikhail@localhost ~]$ uname -a
Linux localhost.localdomain 3.11.6-300.fc20.x86_64+debug #1 SMP Fri Oct 18 22:20:05 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux

[mikhail@localhost ~]$ lspci
00:00.0 Host bridge: Intel Corporation 4th Gen Core Processor DRAM Controller (rev 06)
00:02.0 VGA compatible controller: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor Integrated Graphics Controller (rev 06)
00:03.0 Audio device: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor HD Audio Controller (rev 06)
00:14.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset Family USB xHCI (rev 04)
00:16.0 Communication controller: Intel Corporation 8 Series/C220 Series Chipset Family MEI Controller #1 (rev 04)
00:1b.0 Audio device: Intel Corporation 8 Series/C220 Series Chipset High Definition Audio Controller (rev 04)
00:1c.0 PCI bridge: Intel Corporation 8 Series/C220 Series Chipset Family PCI Express Root Port #1 (rev d4)
00:1c.2 PCI bridge: Intel Corporation 8 Series/C220 Series Chipset Family PCI Express Root Port #3 (rev d4)
00:1c.3 PCI bridge: Intel Corporation 82801 PCI Bridge (rev d4)
00:1c.4 PCI bridge: Intel Corporation 8 Series/C220 Series Chipset Family PCI Express Root Port #5 (rev d4)
00:1f.0 ISA bridge: Intel Corporation Z87 Express LPC Controller (rev 04)
00:1f.2 SATA controller: Intel Corporation 8 Series/C220 Series Chipset Family 6-port SATA Controller 1 [AHCI mode] (rev 04)
00:1f.3 SMBus: Intel Corporation 8 Series/C220 Series Chipset Family SMBus Controller (rev 04)
02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 06)
03:00.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev 41)
04:01.0 Multimedia audio controller: Creative Labs SB Audigy (rev 04)
04:01.1 Input device controller: Creative Labs SB Audigy Game Port (rev 04)
04:01.2 FireWire (IEEE 1394): Creative Labs SB Audigy FireWire Port (rev 04)
05:00.0 RAID bus controller: Silicon Image, Inc. SiI 3132 Serial ATA Raid II Controller (rev 01)

[mikhail@localhost ~]$ lsusb
Bus 002 Device 002: ID 2109:0811  
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 007: ID 0a12:0001 Cambridge Silicon Radio, Ltd Bluetooth Dongle (HCI mode)
Bus 001 Device 009: ID 05e3:0723 Genesys Logic, Inc. GL827L SD/MMC/MS Flash Card Reader
Bus 001 Device 006: ID 1a40:0101 Terminus Technology Inc. Hub
Bus 001 Device 005: ID 046d:c52b Logitech, Inc. Unifying Receiver
Bus 001 Device 008: ID 04d9:1503 Holtek Semiconductor, Inc. Shortboard Lefty
Bus 001 Device 004: ID 05e3:0608 Genesys Logic, Inc. USB-2.0 4-Port HUB
Bus 001 Device 003: ID 1a40:0201 Terminus Technology Inc. FE 2.1 7-port Hub
Bus 001 Device 002: ID 2109:0811  
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub