Comment 12 for bug 1705447

I am still seeing this issue with

Linux ___ 4.4.0-93-generic #116-Ubuntu SMP Fri Aug 11 21:17:51 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux

[214343.266228] ------------[ cut here ]------------
[214343.266235] WARNING: CPU: 1 PID: 10743 at /build/linux-YyUNAI/linux-4.4.0/net/core/dev.c:2445 skb_warn_bad_offload+0xd1/0x120()
[214343.266239] tg3: caps=(0x00000004000001b2, 0x0000000000000000) len=1444 data_len=1402 gso_size=1376 gso_type=2 ip_summed=0
[214343.266241] Modules linked in: nf_conntrack_netlink nfnetlink binfmt_misc rpcsec_gss_krb5 auth_rpcgss nfsv4 nfs lockd grace fscache veth ipt_MASQUERADE nf_nat_masquerade_ipv4 xfrm_user xfrm_algo xt_addrtype iptable_filter xt_conntrack br_netfilter bridge stp llc aufs xt_nat xt_tcpudp iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack ip_tables x_tables hp_wmi gpio_ich sparse_keymap ppdev intel_powerclamp coretemp kvm_intel snd_hda_codec_realtek kvm snd_hda_codec_generic snd_hda_intel irqbypass snd_hda_codec snd_hda_core snd_hwdep snd_pcm snd_timer pl2303 snd usbserial soundcore input_leds serio_raw lpc_ich i7core_edac shpchp edac_core 8250_fintek parport_pc tpm_infineon parport mac_hid ib_iser rdma_cm iw_cm ib_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi
[214343.266302] scsi_transport_iscsi sunrpc autofs4 btrfs raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear hid_generic usbhid hid nouveau crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel mxm_wmi video aes_x86_64 i2c_algo_bit lrw ttm gf128mul glue_helper ablk_helper drm_kms_helper syscopyarea cryptd firewire_ohci sysfillrect tg3 psmouse sysimgblt fb_sys_fops firewire_core ahci ptp libahci drm crc_itu_t pps_core wmi floppy fjes
[214343.266347] CPU: 1 PID: 10743 Comm: transmission-da Tainted: G W I 4.4.0-93-generic #116-Ubuntu
[214343.266349] Hardware name: Hewlett-Packard HP Z600 Workstation/0B54h, BIOS 786G4 v03.13 10/13/2010
[214343.266351] 0000000000000286 4281c02c793d7594 ffff880313a434c8 ffffffff813f9f83
[214343.266355] ffff880313a43510 ffffffff81d6f780 ffff880313a43500 ffffffff810812f2
[214343.266358] ffff88030f710300 ffff8803114c0000 0000000000000002 ffff880310cbd6ac
[214343.266361] Call Trace:
[214343.266363] <IRQ> [<ffffffff813f9f83>] dump_stack+0x63/0x90
[214343.266373] [<ffffffff810812f2>] warn_slowpath_common+0x82/0xc0
[214343.266376] [<ffffffff8108138c>] warn_slowpath_fmt+0x5c/0x80
[214343.266381] [<ffffffff814000a2>] ? ___ratelimit+0xa2/0xe0
[214343.266385] [<ffffffff81735cd1>] skb_warn_bad_offload+0xd1/0x120
[214343.266388] [<ffffffff817393dd>] __skb_gso_segment+0xfd/0x110
[214343.266391] [<ffffffff8173971d>] validate_xmit_skb.isra.97.part.98+0x10d/0x2b0
[214343.266394] [<ffffffff817398fb>] validate_xmit_skb_list+0x3b/0x60
[214343.266399] [<ffffffff8175efca>] sch_direct_xmit+0x16a/0x220
[214343.266402] [<ffffffff8173a00d>] __dev_queue_xmit+0x23d/0x590
[214343.266405] [<ffffffff8173a370>] dev_queue_xmit+0x10/0x20
[214343.266410] [<ffffffff817436e8>] neigh_resolve_output+0x118/0x1c0
[214343.266415] [<ffffffff81779d76>] ip_finish_output2+0x146/0x380
[214343.266420] [<ffffffffc081e23d>] ? ipv4_confirm+0x7d/0x100 [nf_conntrack_ipv4]
[214343.266424] [<ffffffff8177ad96>] ip_finish_output+0x136/0x1f0
[214343.266428] [<ffffffff8176e3a3>] ? nf_hook_slow+0x73/0xd0
[214343.266431] [<ffffffff8177b79e>] ip_output+0x6e/0xe0
[214343.266435] [<ffffffff8177ac60>] ? __ip_flush_pending_frames.isra.41+0x90/0x90
[214343.266438] [<ffffffff81777363>] ip_forward_finish+0x43/0x70
[214343.266441] [<ffffffff81777729>] ip_forward+0x399/0x480
[214343.266444] [<ffffffff81777320>] ? ip_frag_mem+0x50/0x50
[214343.266447] [<ffffffff817753b2>] ip_rcv_finish+0x92/0x320
[214343.266450] [<ffffffff81775ce1>] ip_rcv+0x291/0x3a0
[214343.266453] [<ffffffff81775320>] ? inet_del_offload+0x40/0x40
[214343.266456] [<ffffffff81737844>] __netif_receive_skb_core+0x704/0xa60
[214343.266467] [<ffffffffc08049a0>] ? nf_conntrack_tuple_taken+0x1b0/0x1d0 [nf_conntrack]
[214343.266474] [<ffffffffc0703b07>] ? get_unique_tuple+0x147/0x630 [nf_nat]
[214343.266476] [<ffffffff81737bb8>] __netif_receive_skb+0x18/0x60
[214343.266479] [<ffffffff81737c32>] netif_receive_skb_internal+0x32/0xa0
[214343.266482] [<ffffffff81737cbc>] netif_receive_skb+0x1c/0x70
[214343.266491] [<ffffffffc086b404>] br_netif_receive_skb+0x34/0x50 [bridge]
[214343.266498] [<ffffffffc086b77b>] br_handle_frame_finish+0x2bb/0x620 [bridge]
[214343.266505] [<ffffffffc08039bb>] ? __nf_ct_refresh_acct+0xab/0xc0 [nf_conntrack]
[214343.266513] [<ffffffffc086b4c0>] ? br_handle_local_finish+0xa0/0xa0 [bridge]
[214343.266520] [<ffffffffc086b4c0>] ? br_handle_local_finish+0xa0/0xa0 [bridge]
[214343.266524] [<ffffffffc08912d7>] NF_HOOK_THRESH+0x57/0xb0 [br_netfilter]
[214343.266531] [<ffffffffc086b4c0>] ? br_handle_local_finish+0xa0/0xa0 [bridge]
[214343.266535] [<ffffffffc08921c9>] br_nf_pre_routing_finish+0x1a9/0x350 [br_netfilter]
[214343.266542] [<ffffffffc086b4c0>] ? br_handle_local_finish+0xa0/0xa0 [bridge]
[214343.266545] [<ffffffff8176e312>] ? nf_iterate+0x62/0x80
[214343.266549] [<ffffffffc0892f61>] br_nf_pre_routing+0x2e1/0x440 [br_netfilter]
[214343.266553] [<ffffffffc0892020>] ? br_nf_forward_ip+0x480/0x480 [br_netfilter]
[214343.266556] [<ffffffff8176e312>] nf_iterate+0x62/0x80
[214343.266560] [<ffffffff8176e3a3>] nf_hook_slow+0x73/0xd0
[214343.266567] [<ffffffffc086bcba>] br_handle_frame+0x1da/0x2b0 [bridge]
[214343.266573] [<ffffffff810b3b07>] ? can_migrate_task+0x287/0x2b0
[214343.266580] [<ffffffffc086b4c0>] ? br_handle_local_finish+0xa0/0xa0 [bridge]
[214343.266583] [<ffffffff817374a4>] __netif_receive_skb_core+0x364/0xa60
[214343.266586] [<ffffffff810b1d4f>] ? sched_clock_cpu+0x8f/0xa0
[214343.266590] [<ffffffff810ab614>] ? check_preempt_curr+0x54/0x90
[214343.266592] [<ffffffff810ab669>] ? ttwu_do_wakeup+0x19/0xe0
[214343.266595] [<ffffffff81737bb8>] __netif_receive_skb+0x18/0x60
[214343.266598] [<ffffffff817389a8>] process_backlog+0xa8/0x150
[214343.266601] [<ffffffff817380fe>] net_rx_action+0x21e/0x360
[214343.266605] [<ffffffff81052d0d>] ? lapic_next_event+0x1d/0x30
[214343.266609] [<ffffffff81085dd1>] __do_softirq+0x101/0x290
[214343.266613] [<ffffffff81844f0c>] do_softirq_own_stack+0x1c/0x30
[214343.266615] <EOI> [<ffffffff81085818>] do_softirq.part.19+0x38/0x40
[214343.266621] [<ffffffff8108589d>] __local_bh_enable_ip+0x7d/0x80
[214343.266624] [<ffffffff81779d89>] ip_finish_output2+0x159/0x380
[214343.266627] [<ffffffff8177ad96>] ip_finish_output+0x136/0x1f0
[214343.266630] [<ffffffff8176e3a3>] ? nf_hook_slow+0x73/0xd0
[214343.266633] [<ffffffff8177b79e>] ip_output+0x6e/0xe0
[214343.266636] [<ffffffff8177ac60>] ? __ip_flush_pending_frames.isra.41+0x90/0x90
[214343.266639] [<ffffffff8177af65>] ip_local_out+0x35/0x40
[214343.266642] [<ffffffff8177c169>] ip_send_skb+0x19/0x40
[214343.266645] [<ffffffff817a3dd2>] udp_send_skb+0xb2/0x290
[214343.266648] [<ffffffff817a4d27>] udp_sendmsg+0x307/0xae0
[214343.266653] [<ffffffff813a06f1>] ? aa_sock_msg_perm+0x61/0x150
[214343.266657] [<ffffffff817b26c5>] inet_sendmsg+0x65/0xa0
[214343.266660] [<ffffffff8171aad8>] sock_sendmsg+0x38/0x50
[214343.266663] [<ffffffff8171b0c1>] SYSC_sendto+0x101/0x190
[214343.266666] [<ffffffff810ac650>] ? wake_up_q+0x70/0x70
[214343.266670] [<ffffffff81003938>] ? syscall_trace_enter_phase1+0xc8/0x140
[214343.266673] [<ffffffff8171bbde>] SyS_sendto+0xe/0x10
[214343.266677] [<ffffffff818431f2>] entry_SYSCALL_64_fastpath+0x16/0x71
[214343.266680] ---[ end trace f83874bb052259ee ]---