[  732.030514] BUG: unable to handle page fault for address: 0000000000002008
[  732.030666] #PF: supervisor write access in kernel mode
[  732.030807] #PF: error_code(0x0002) - not-present page
[  732.030946] PGD 8000000fe304d067 P4D 8000000fe304d067 PUD fe4745067 PMD 0 
[  732.031131] Oops: 0002 [#1] SMP PTI
[  732.031355] CPU: 0 PID: 1656 Comm: connect_test Not tainted 5.6.0-rc1+ #39
[  732.031583] Hardware name: ASUS All Series/X99-A, BIOS 3402 08/18/2016
[  732.031817] RIP: 0010:__io_queue_sqe+0x4ac/0x4f0
[  732.032044] Code: 13 4d 85 d2 75 d8 4c 8b 64 24 18 4c 8b 7c 24 08 e9 c3 fe ff ff 48 8b 43 60 48 85 c0 74 20 48 8b 53 58 48 89 10 48 85 d2 74 04 <48> 89 42 08 48 c7 43 58 00 00 00 00 48 c7 43 60 00 00 00 00 48 8b
[  732.032300] RSP: 0018:ffffb9eec11c7d20 EFLAGS: 00010006
[  732.032564] RAX: ffffe62e7e5b9700 RBX: ffff99966ee25700 RCX: dead000000000122
[  732.032817] RDX: 0000000000002000 RSI: ffff999676b10580 RDI: ffff999676b105b0
[  732.033067] RBP: ffffb9eec11c7db0 R08: ffff99966c3ce848 R09: ffff99966ee25700
[  732.033319] R10: ffffffffa0e639a0 R11: ffff99966ee257a8 R12: 0000000000000000
[  732.033572] R13: ffff999676b105c0 R14: fffffffffffffff5 R15: ffff999663058040
[  732.033827] FS:  00007ffff2897700(0000) GS:ffff99967fa00000(0000) knlGS:0000000000000000
[  732.034080] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  732.034334] CR2: 0000000000002008 CR3: 0000000fe20f6005 CR4: 00000000001606f0
[  732.034596] Call Trace:
[  732.034853]  ? io_poll_queue_proc+0x30/0x30
[  732.035112]  ? kmem_cache_alloc+0x1a4/0x230
[  732.035355]  io_submit_sqes+0x772/0xad0
[  732.035614]  ? __wake_up_common_lock+0x87/0xc0
[  732.035857]  ? sock_has_perm+0x80/0xa0
[  732.036107]  __x64_sys_io_uring_enter+0x253/0x350
[  732.036364]  do_syscall_64+0x5b/0x190
[  732.036615]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  732.036870] RIP: 0033:0x7ffff5b6dc4d
[  732.037125] Code: 00 c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 0b 72 0c 00 f7 d8 64 89 01 48
[  732.037525] RSP: 002b:00007ffff28930b8 EFLAGS: 00000246 ORIG_RAX: 00000000000001aa
[  732.037805] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007ffff5b6dc4d
[  732.038083] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000007
[  732.038364] RBP: 00007ffff2893120 R08: 0000000000000000 R09: 0000000000000008
[  732.038647] R10: 0000000000000000 R11: 0000000000000246 R12: 00006160000117e0
[  732.038928] R13: 00007ffff2893260 R14: 00000000013cd408 R15: 000060200002aa10
[  732.039213] Modules linked in: iptable_mangle xt_CHECKSUM iptable_nat xt_MASQUERADE nf_nat xt_conntrack nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ipt_REJECT nf_reject_ipv4 tun bridge stp llc ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter ip_tables xfs libcrc32c snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio snd_hda_codec_hdmi snd_hda_intel snd_intel_dspcfg intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm snd_hda_codec irqbypass snd_hwdep snd_hda_core crct10dif_pclmul crc32_pclmul snd_seq ghash_clmulni_intel intel_cstate snd_seq_device eeepc_wmi intel_uncore snd_pcm asus_wmi wmi_bmof iTCO_wdt pcspkr intel_rapl_perf sparse_keymap rfkill snd_timer i2c_i801 iTCO_vendor_support mei_me snd mei intel_wmi_thunderbolt lpc_ich soundcore nouveau video i2c_algo_bit drm_kms_helper cec ttm drm e1000e mxm_wmi nvme crc32c_intel nvme_core wmi fuse
[  732.040520] CR2: 0000000000002008
[  732.040873] ---[ end trace ad0acf94c0df32bf ]---
[  732.041226] RIP: 0010:__io_queue_sqe+0x4ac/0x4f0
[  732.041579] Code: 13 4d 85 d2 75 d8 4c 8b 64 24 18 4c 8b 7c 24 08 e9 c3 fe ff ff 48 8b 43 60 48 85 c0 74 20 48 8b 53 58 48 89 10 48 85 d2 74 04 <48> 89 42 08 48 c7 43 58 00 00 00 00 48 c7 43 60 00 00 00 00 48 8b
[  732.041965] RSP: 0018:ffffb9eec11c7d20 EFLAGS: 00010006
[  732.042343] RAX: ffffe62e7e5b9700 RBX: ffff99966ee25700 RCX: dead000000000122
[  732.042720] RDX: 0000000000002000 RSI: ffff999676b10580 RDI: ffff999676b105b0
[  732.043102] RBP: ffffb9eec11c7db0 R08: ffff99966c3ce848 R09: ffff99966ee25700
[  732.043483] R10: ffffffffa0e639a0 R11: ffff99966ee257a8 R12: 0000000000000000
[  732.043865] R13: ffff999676b105c0 R14: fffffffffffffff5 R15: ffff999663058040
[  732.044246] FS:  00007ffff2897700(0000) GS:ffff99967fa00000(0000) knlGS:0000000000000000
[  732.044627] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  732.045010] CR2: 0000000000002008 CR3: 0000000fe20f6005 CR4: 00000000001606f0