Backtrace

BUG: kernel NULL pointer dereference, address: 0000000000000028
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0 
Oops: 0000 [#1] SMP PTI
CPU: 1 PID: 63340 Comm: kworker/u8:39 Tainted: G        W         5.11.20-200.fc33.x86_64 #1
Hardware name: LENOVO 20HR002RMZ/20HR002RMZ, BIOS N1MET64W (1.49 ) 10/14/2020
Workqueue: kacpi_hotplug acpi_hotplug_work_fn
RIP: 0010:pcie_aspm_init_link_state+0x1a/0xd90
Code: 78 e7 c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 41 57 41 56 41 55 41 54 55 53 48 89 fb 48 83 ec 70 48 8b 57 18 <48> 8b 6a 28 48 8d 42 28 48 39 c5 75 44 eb 6b 8b 0d 51 df fe 01 85
RSP: 0018:ffff9f3086303be8 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffff8b1e1011a000 RCX: 000000000000001e
RDX: 0000000000000000 RSI: ffff8b1d0add7000 RDI: ffff8b1e1011a000
RBP: 0000000000000000 R08: 0000000000000002 R09: 0000000000000002
R10: 0000000000000007 R11: 0000000000000006 R12: 0000000000000000
R13: ffff8b2010ec9800 R14: 0000000000000000 R15: 0000000000000070
FS:  0000000000000000(0000) GS:ffff8b2092680000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000028 CR3: 0000000301a10003 CR4: 00000000003706e0
Call Trace:
 ? kernfs_name_hash+0x12/0x80
 ? kernfs_find_ns+0x35/0xd0
 ? _cond_resched+0x16/0x40
 ? pci_dev_get+0x1b/0x30
 pci_scan_slot+0xde/0x110
 pci_scan_child_bus_extend+0x3a/0x2a0
 pci_scan_bridge_extend+0x573/0x620
 enable_slot+0x1b3/0x430
 acpiphp_check_bridge.part.0+0x117/0x140
 acpiphp_hotplug_notify+0x170/0x280
 ? acpiphp_post_dock_fixup+0xc0/0xc0
 acpi_device_hotplug+0x94/0x370
 acpi_hotplug_work_fn+0x3d/0x50
 process_one_work+0x1ec/0x380
 worker_thread+0x53/0x3e0
 ? process_one_work+0x380/0x380
 kthread+0x11b/0x140
 ? __kthread_bind_mask+0x60/0x60
 ret_from_fork+0x22/0x30
Modules linked in: uinput rfcomm xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nf_conntrack_tftp tun bridge stp llc ccm nft_objref nf_conntrack_netbios_ns nf_conntrack_broadcast nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_tables ebtable_nat ebtable_broute ip6table_nat ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 iptable_mangle iptable_raw iptable_security ip_set nfnetlink ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter cmac bnep sunrpc vfat fat intel_rapl_msr intel_rapl_common rmi_smbus snd_soc_skl rmi_core x86_pkg_temp_thermal intel_powerclamp snd_soc_hdac_hda coretemp snd_hda_ext_core kvm_intel snd_soc_sst_ipc snd_hda_codec_hdmi snd_soc_sst_dsp iTCO_wdt intel_pmc_bxt mei_hdcp iTCO_vendor_support snd_hda_codec_conexant snd_hda_codec_generic snd_soc_acpi_intel_match snd_soc_acpi snd_hda_intel kvm
 snd_intel_dspcfg soundwire_intel irqbypass soundwire_generic_allocation rapl intel_cstate iwlmvm intel_uncore snd_soc_core mac80211 snd_compress snd_pcm_dmaengine btusb snd_usb_audio btrtl btbcm btintel libarc4 bluetooth wmi_bmof soundwire_cadence pcspkr intel_wmi_thunderbolt snd_hda_codec snd_hda_core iwlwifi ac97_bus snd_usbmidi_lib snd_hwdep joydev snd_seq uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common snd_rawmidi thunderbolt videodev snd_seq_device snd_pcm cfg80211 mc i2c_i801 qcserial ecdh_generic usb_wwan snd_timer i2c_smbus mei_me ucsi_acpi ecc mei typec_ucsi intel_xhci_usb_role_switch typec roles intel_pch_thermal thinkpad_acpi platform_profile ledtrig_audio snd soundcore rfkill acpi_pad zram ip_tables dm_crypt r8152 i915 rtsx_pci_sdmmc mmc_core hid_logitech_hidpp i2c_algo_bit drm_kms_helper cec e1000e crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel drm serio_raw nvme nvme_core rtsx_pci wmi video i2c_hid cdc_mbim cdc_wdm
 cdc_ncm cdc_ether hid_logitech_dj usbnet mii fuse
CR2: 0000000000000028