Comment 5 for bug 1508510

Nope ... did not work

uname -a
Linux paul-ThinkPad-T430s 3.13.11-031311ckt27-generic #201509251131 SMP Fri Sep 25 15:34:16 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux

[ 133.141688] BUG: unable to handle kernel NULL pointer dereference at 0000000000000008
[ 133.141734] IP: [<ffffffff8160f10d>] skb_copy_and_csum_datagram_iovec+0x2d/0x110
[ 133.141773] PGD 0
[ 133.141785] Oops: 0000 [#1] SMP
[ 133.141804] Modules linked in: ctr ccm pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) vmw_vsock_vmci_transport vsock vmw_vmci rfcomm bnep snd_hda_codec_hdmi snd_hda_codec_realtek binfmt_misc nfsd auth_rpcgss nfs_acl nfs lockd sunrpc fscache nls_iso8859_1 arc4 iwldvm mac80211 hid_generic intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm crct10dif_pclmul crc32_pclmul usbhid ghash_clmulni_intel aesni_intel hid cdc_mbim cdc_ncm btusb snd_hda_intel aes_x86_64 usbnet snd_hda_codec bluetooth lrw mii gf128mul uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev snd_hwdep glue_helper cdc_acm iwlwifi cdc_wdm ablk_helper thinkpad_acpi cryptd snd_pcm snd_page_alloc nvram cfg80211 snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq joydev i915 serio_raw shpchp snd_seq_device mei_me wmi snd_timer mei drm_kms_helper drm snd lpc_ich soundcore parport_pc ppdev i2c_algo_bit mac_hid video lp parport mmc_block psmouse ahci e1000e sdhci_pci libahci sdhci ptp pps_core
[ 133.142227] CPU: 3 PID: 1503 Comm: nfsd Tainted: GF O 3.13.11-031311ckt27-generic #201509251131
[ 133.142251] Hardware name: LENOVO 2355CTO/2355CTO, BIOS G7ET95WW (2.55 ) 07/10/2013
[ 133.142271] task: ffff8803f588c800 ti: ffff8803f4c4a000 task.ti: ffff8803f4c4a000
[ 133.142291] RIP: 0010:[<ffffffff8160f10d>] [<ffffffff8160f10d>] skb_copy_and_csum_datagram_iovec+0x2d/0x110
[ 133.142318] RSP: 0018:ffff8803f4c4bbc0 EFLAGS: 00010216
[ 133.142332] RAX: 0000000000000000 RBX: ffff880425cf0380 RCX: 0000000000000000
[ 133.142350] RDX: 0000000000000000 RSI: 0000000000000030 RDI: ffff8803756e7100
[ 133.142369] RBP: ffff8803f4c4bbf8 R08: 0000000000000000 R09: 000000005fe5a01a
[ 133.142388] R10: 0000000000000000 R11: 0000000000000005 R12: 0000000000000008
[ 133.142406] R13: ffff8803756e7100 R14: 0000000000000028 R15: ffff8803756e7100
[ 133.142425] FS: 0000000000000000(0000) GS:ffff88043e2c0000(0000) knlGS:0000000000000000
[ 133.142445] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 133.142460] CR2: 0000000000000008 CR3: 0000000002c0e000 CR4: 00000000001427e0
[ 133.142479] Stack:
[ 133.142486] ffffffff81608836 ffffffff81608880 ffff880425cf0380 ffff8803f4c4bdf8
[ 133.142509] 0000000000000000 0000000000000028 ffff8803756e7100 ffff8803f4c4bc60
[ 133.142532] ffffffff8167c6dc ffff880426ff8028 ffff880425cf03f0 0000000200000000
[ 133.142555] Call Trace:
[ 133.142564] [<ffffffff81608836>] ? skb_checksum+0x26/0x30
[ 133.142580] [<ffffffff81608880>] ? skb_push+0x40/0x40
[ 133.142596] [<ffffffff8167c6dc>] udp_recvmsg+0x1dc/0x380
[ 133.142612] [<ffffffff816875cc>] inet_recvmsg+0x6c/0x80
[ 133.142628] [<ffffffff8160096a>] sock_recvmsg+0x9a/0xd0
[ 133.142644] [<ffffffff8107414a>] ? del_timer_sync+0x4a/0x60
[ 133.142661] [<ffffffff8171791d>] ? schedule_timeout+0x17d/0x2d0
[ 133.142678] [<ffffffff8109c065>] ? sched_clock_cpu+0xb5/0x100
[ 133.142695] [<ffffffff816009da>] kernel_recvmsg+0x3a/0x50
[ 133.142719] [<ffffffffa06f0d19>] svc_udp_recvfrom+0x89/0x440 [sunrpc]
[ 133.142738] [<ffffffff8171c2cb>] ? _raw_spin_unlock_bh+0x1b/0x40
[ 133.142761] [<ffffffffa06fdb08>] ? svc_get_next_xprt+0xd8/0x300 [sunrpc]
[ 133.142785] [<ffffffffa06fe280>] svc_recv+0x4a0/0x5c0 [sunrpc]
[ 133.142802] [<ffffffff8107617b>] ? recalc_sigpending+0x1b/0x50
[ 133.142822] [<ffffffffa07b270d>] nfsd+0xad/0x130 [nfsd]
[ 133.142839] [<ffffffffa07b2660>] ? nfsd_destroy+0x80/0x80 [nfsd]
[ 133.142857] [<ffffffff8108a0c9>] kthread+0xc9/0xe0
[ 133.142871] [<ffffffff8108a000>] ? kthread_create_on_node+0x180/0x180
[ 133.142889] [<ffffffff81724de8>] ret_from_fork+0x58/0x90
[ 133.142904] [<ffffffff8108a000>] ? kthread_create_on_node+0x180/0x180
[ 133.142921] Code: 44 00 00 55 31 c0 48 89 e5 41 57 41 56 41 55 49 89 fd 41 54 41 89 f4 53 48 83 ec 10 8b 77 68 41 89 f6 45 29 e6 0f 84 89 00 00 00 <48> 8b 42 08 48 89 d3 48 85 c0 75 14 0f 1f 80 00 00 00 00 48 83
[ 133.143042] RIP [<ffffffff8160f10d>] skb_copy_and_csum_datagram_iovec+0x2d/0x110
[ 133.143063] RSP <ffff8803f4c4bbc0>
[ 133.143073] CR2: 0000000000000008
[ 133.147406] ---[ end trace 247e1a3a36cb883b ]---