Comment 0 for bug 1774883

using aquanta 10GBE ethernet I get a GPF when scanning CIFS-mounted library, works fine using 1GBE intel nic.

GPF follows:
Jun 2 12:55:28 klimt kernel: [ 2112.707816] general protection fault: 0000 [#1] SMP PTI
Jun 2 12:55:28 klimt kernel: [ 2112.709215] Modules linked in: cmac md4 nls_utf8 cifs ccm fscache binfmt_misc snd_hda_codec_hdmi intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp ar
c4 kvm_intel iwlmvm kvm snd_hda_codec_realtek irqbypass snd_hda_codec_generic mac80211 intel_cstate iwlwifi intel_rapl_perf snd_hda_intel snd_hda_codec snd_hda_core cfg80211 intel_wmi_thunde
rbolt mxm_wmi snd_hwdep snd_pcm snd_timer snd soundcore mei_me ioatdma mei shpchp wmi mac_hid nvidia_uvm(POE) sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi
 scsi_transport_iscsi ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid0 multipath linear r
aid1 nvidia_drm(POE) nvidia_modeset(POE) crct10dif_pclmul crc32_pclmul ghash_clmulni_intel
Jun 2 12:55:28 klimt kernel: [ 2112.728235] pcbc nvidia(POE) aesni_intel aes_x86_64 crypto_simd glue_helper cryptd drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops drm ipmi_dev
intf ipmi_msghandler igb e1000e nvme dca nvme_core i2c_algo_bit atlantic ptp pps_core ahci libahci
Jun 2 12:55:28 klimt kernel: [ 2112.734257] CPU: 8 PID: 1499 Comm: EmbyServer Tainted: P OE 4.15.0-22-generic #24-Ubuntu
Jun 2 12:55:28 klimt kernel: [ 2112.736705] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./X299 Professional Gaming i9 XE, BIOS P1.00 09/28/2017
Jun 2 12:55:28 klimt kernel: [ 2112.739735] RIP: 0010:prefetch_freepointer+0x15/0x30
Jun 2 12:55:28 klimt kernel: [ 2112.741050] RSP: 0018:ffffaa9a0823bd20 EFLAGS: 00010206
Jun 2 12:55:28 klimt kernel: [ 2112.742434] RAX: 0000000000000000 RBX: 217a77ddff956e69 RCX: 0000000000008789
Jun 2 12:55:28 klimt kernel: [ 2112.744329] RDX: 0000000000008788 RSI: 217a77ddff956e69 RDI: ffff9da1d110ab80
Jun 2 12:55:28 klimt kernel: [ 2112.746222] RBP: ffffaa9a0823bd20 R08: ffffca99fe822eb0 R09: ffff9da1d31275a0
Jun 2 12:55:28 klimt kernel: [ 2112.748113] R10: 00000007fcbd8002 R11: ffff9da1ca4d9e00 R12: 00000000014000c0
Jun 2 12:55:28 klimt kernel: [ 2112.750006] R13: ffff9da1ddc04780 R14: ffff9da1ca4d9000 R15: ffff9da1d110ab80
Jun 2 12:55:28 klimt kernel: [ 2112.794382] FS: 00007fcc33fff700(0000) GS:ffff9da1de400000(0000) knlGS:0000000000000000
Jun 2 12:55:28 klimt kernel: [ 2112.884578] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Jun 2 12:55:28 klimt kernel: [ 2112.930582] CR2: 00007fcc7e5bf000 CR3: 0000002012cdc006 CR4: 00000000003606e0
Jun 2 12:55:28 klimt kernel: [ 2112.976554] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Jun 2 12:55:28 klimt kernel: [ 2113.021459] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Jun 2 12:55:28 klimt kernel: [ 2113.064959] Call Trace:
Jun 2 12:55:28 klimt kernel: [ 2113.106986] kmem_cache_alloc+0xa2/0x1b0
Jun 2 12:55:28 klimt kernel: [ 2113.148571] ? anon_vma_fork+0x97/0x130
Jun 2 12:55:28 klimt kernel: [ 2113.189139] anon_vma_fork+0x97/0x130
Jun 2 12:55:28 klimt kernel: [ 2113.228632] copy_process.part.35+0xdce/0x1af0
Jun 2 12:55:28 klimt kernel: [ 2113.267459] _do_fork+0xdf/0x400
Jun 2 12:55:28 klimt kernel: [ 2113.305090] ? get_unused_fd_flags+0x30/0x40
Jun 2 12:55:28 klimt kernel: [ 2113.342027] SyS_clone+0x19/0x20
Jun 2 12:55:28 klimt kernel: [ 2113.377704] do_syscall_64+0x73/0x130
Jun 2 12:55:28 klimt kernel: [ 2113.412455] entry_SYSCALL_64_after_hwframe+0x3d/0xa2
Jun 2 12:55:28 klimt kernel: [ 2113.446867] RIP: 0033:0x7fcd1de5ab1c
Jun 2 12:55:28 klimt kernel: [ 2113.480134] RSP: 002b:00007fcc33ffb630 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
Jun 2 12:55:28 klimt kernel: [ 2113.546601] RAX: ffffffffffffffda RBX: 00007fcc33ffb630 RCX: 00007fcd1de5ab1c
Jun 2 12:55:28 klimt kernel: [ 2113.581224] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
Jun 2 12:55:28 klimt kernel: [ 2113.615346] RBP: 00007fcc33ffb6a0 R08: 00007fcc33fff700 R09: 0000000000000000
Jun 2 12:55:28 klimt kernel: [ 2113.648651] R10: 00007fcc33fff9d0 R11: 0000000000000246 R12: 0000000000000000
Jun 2 12:55:28 klimt kernel: [ 2113.681308] R13: 0000000000000020 R14: 0000000000000001 R15: 00007fcc281345f0
Jun 2 12:55:28 klimt kernel: [ 2113.713887] Code: eb bb 49 8b 74 24 60 48 c7 c7 08 b2 8e b8 e8 53 cf ea ff eb 90 90 0f 1f 44 00 00 55 48 85 f6 48 89 e5 74 14 48 63 47 20 48 01 c6 <48> 33 36
 48 33 b7 40 01 00 00 0f 18 0e 5d c3 66 90 66 2e 0f 1f
Jun 2 12:55:28 klimt kernel: [ 2113.813998] RIP: prefetch_freepointer+0x15/0x30 RSP: ffffaa9a0823bd20
Jun 2 12:55:28 klimt kernel: [ 2113.848272] ---[ end trace b6d4a3880925512c ]---