Few tests - abort/incomplete - BUG: kernel NULL pointer dereference, address: 0000000000000018

https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_13361/fi-hsw-4770/igt@i915_suspend@basic-s3-without-i915.html#dmesg-warnings199

<7> [282.271361] pci_bus 0000:01: Allocating resources
<1> [282.271378] BUG: kernel NULL pointer dereference, address: 0000000000000018
<1> [282.271382] #PF: supervisor read access in kernel mode
<1> [282.271384] #PF: error_code(0x0000) - not-present page
<6> [282.271387] PGD 0 P4D 0 
<4> [282.271391] Oops: 0000 [#1] PREEMPT SMP PTI
<4> [282.271394] CPU: 3 PID: 6346 Comm: kworker/u16:40 Tainted: G     U             6.5.0-rc1-CI_DRM_13361-g1b105e3b83f8+ #1
<4> [282.271398] Hardware name: LENOVO 10AGS00601/SHARKBAY, BIOS FBKT34AUS 04/24/2013
<4> [282.271401] Workqueue: kacpi_hotplug acpi_hotplug_work_fn
<4> [282.271407] RIP: 0010:pci_assign_unassigned_bridge_resources+0x13/0x1e0
<4> [282.271413] Code: 58 00 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 41 56 41 55 41 54 49 89 fc 55 53 48 83 ec 28 <4c> 8b 77 18 65 48 8b 04 25 28 00 00 00 48 89 44 24 20 31 c0 49 89
<4> [282.271416] RSP: 0018:ffffc900012d3d38 EFLAGS: 00010292
<4> [282.271420] RAX: 0000000000000000 RBX: ffff8881013c5028 RCX: 0000000000000001
<4> [282.271423] RDX: 00000000ffffffff RSI: 0000000000000001 RDI: 0000000000000000
<4> [282.271425] RBP: ffff8881013e4640 R08: 0000000000000000 R09: ffffc900012d3b68
<4> [282.271427] R10: 0000000000072058 R11: 00000000000720d8 R12: 0000000000000000
<4> [282.271430] R13: ffff8881013c5000 R14: ffff8881013c5028 R15: 0000000000000001
<4> [282.271432] FS:  0000000000000000(0000) GS:ffff88840e980000(0000) knlGS:0000000000000000
<4> [282.271435] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [282.271438] CR2: 0000000000000018 CR3: 00000001b6cb4005 CR4: 00000000001706e0
<4> [282.271440] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4> [282.271442] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4> [282.271445] Call Trace:
<4> [282.271447]  <TASK>
<4> [282.271449]  ? __die_body+0x1a/0x60
<4> [282.271453]  ? page_fault_oops+0x156/0x450
<4> [282.271458]  ? search_module_extables+0x32/0x90
<4> [282.271463]  ? fixup_exception+0x21/0x300
<4> [282.271467]  ? exc_page_fault+0x68/0x1a0
<4> [282.271473]  ? asm_exc_page_fault+0x26/0x30
<4> [282.271480]  ? pci_assign_unassigned_bridge_resources+0x13/0x1e0
<4> [282.271487]  enable_slot+0x229/0x410
<4> [282.271491]  acpiphp_hotplug_notify+0x221/0x290
<4> [282.271494]  ? __pfx_acpiphp_hotplug_notify+0x10/0x10
<4> [282.271498]  acpi_device_hotplug+0xc8/0x4d0
<4> [282.271503]  acpi_hotplug_work_fn+0x19/0x30
<4> [282.271507]  process_one_work+0x251/0x500
<4> [282.271513]  worker_thread+0x4f/0x3a0
<4> [282.271519]  ? __pfx_worker_thread+0x10/0x10
<4> [282.271522]  kthread+0x101/0x130
<4> [282.271527]  ? __pfx_kthread+0x10/0x10
<4> [282.271531]  ret_from_fork+0x2c/0x50
<4> [282.271538]  </TASK>
<4> [282.271540] Modules linked in: vgem drm_shmem_helper snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio snd_hda_codec_hdmi snd_intel_dspcfg snd_hda_codec snd_hwdep snd_hda_core snd_pcm prime_numbers i2c_algo_bit ttm drm_buddy fuse x86_pkg_temp_thermal wmi_bmof coretemp crct10dif_pclmul crc32_pclmul i2c_i801 ghash_clmulni_intel i2c_smbus video mei_me e1000e ptp mei pps_core lpc_ich wmi [last unloaded: drm_kms_helper]
<4> [282.271579] CR2: 0000000000000018
<4> [282.271582] ---[ end trace 0000000000000000 ]---