Backtrace

BUG: kernel NULL pointer dereference, address: 0000000000000000
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0 
Oops: 0000 [#1] PREEMPT SMP PTI
CPU: 2 PID: 199267 Comm: kworker/2:2 Tainted: G        W          6.0.12-100.fc35.x86_64 #1
Hardware name: LENOVO 20L6S80G00/20L6S80G00, BIOS N24ET41W (1.16 ) 07/18/2018
Workqueue: usb_hub_wq hub_event
RIP: 0010:strcmp+0xc/0x30
Code: 75 f7 31 d2 44 0f b6 04 16 44 88 04 11 48 83 c2 01 45 84 c0 75 ee c3 cc cc cc cc 0f 1f 00 31 c0 eb 08 48 83 c0 01 84 d2 74 13 <0f> b6 14 07 3a 14 06 74 ef 19 c0 83 c8 01 c3 cc cc cc cc 31 c0 c3
RSP: 0000:ffffb16f89b07da8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff9cc352e72240 RCX: 0000000000000000
RDX: 0000000000000001 RSI: ffffffff9c7fafe5 RDI: 0000000000000000
RBP: ffff9cc347b041c0 R08: ffff9cc347b041c8 R09: ffff9cc352e722b4
R10: 000000000000000b R11: 000000000000000b R12: ffff9cc497931200
R13: ffff9cc49793a900 R14: ffff9cc347b04000 R15: ffff9cc347b041c0
FS:  0000000000000000(0000) GS:ffff9cc497900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000021c010005 CR4: 00000000003706e0
Call Trace:
 <TASK>
 hub_event+0x68/0x18e0
 ? _raw_spin_unlock+0x15/0x30
 ? finish_task_switch.isra.0+0x9b/0x300
 ? __switch_to+0x112/0x420
 ? __schedule+0x2e6/0x1290
 ? wake_up_q+0x4a/0x90
 process_one_work+0x1e2/0x3b0
 ? rescuer_thread+0x370/0x370
 worker_thread+0x50/0x3a0
 ? rescuer_thread+0x370/0x370
 kthread+0xe5/0x110
 ? kthread_complete_and_exit+0x20/0x20
 ret_from_fork+0x1f/0x30
 </TASK>
Modules linked in: uinput snd_seq_dummy rfcomm snd_hrtimer xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nf_conntrack_tftp bridge stp llc 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 qrtr bnep sunrpc rmi_smbus rmi_core snd_soc_avs snd_soc_hda_codec snd_soc_skl snd_soc_hdac_hda snd_hda_ext_core intel_tcc_cooling x86_pkg_temp_thermal intel_powerclamp snd_soc_sst_ipc coretemp snd_soc_sst_dsp snd_soc_acpi_intel_match snd_soc_acpi snd_soc_core kvm_intel iTCO_wdt snd_hda_codec_hdmi mei_hdcp mei_pxp ee1004 snd_compress intel_pmc_bxt snd_ctl_led kvm
 iTCO_vendor_support ac97_bus snd_hda_codec_realtek snd_hda_codec_generic snd_pcm_dmaengine intel_rapl_msr snd_hda_intel irqbypass iwlmvm snd_intel_dspcfg rapl mac80211 snd_intel_sdw_acpi snd_hda_codec libarc4 intel_cstate intel_uncore snd_hda_core snd_hwdep snd_seq iwlwifi btusb snd_seq_device joydev snd_pcm pcspkr btrtl btbcm btintel intel_wmi_thunderbolt think_lmi i2c_i801 wmi_bmof firmware_attributes_class snd_timer cfg80211 i2c_smbus thunderbolt btmtk processor_thermal_device_pci_legacy processor_thermal_device processor_thermal_rfim bluetooth processor_thermal_mbox mei_me processor_thermal_rapl mei thinkpad_acpi intel_pch_thermal intel_rapl_common ledtrig_audio intel_xhci_usb_role_switch intel_soc_dts_iosf platform_profile rfkill snd int3403_thermal soundcore int340x_thermal_zone int3400_thermal acpi_thermal_rel acpi_pad zram ip_tables i915 i2c_algo_bit drm_buddy drm_display_helper drm_kms_helper cec crct10dif_pclmul crc32_pclmul ttm crc32c_intel e1000e polyval_clmulni
 polyval_generic ghash_clmulni_intel drm uas serio_raw ucsi_acpi usb_storage typec_ucsi typec wmi video ipmi_devintf ipmi_msghandler fuse
CR2: 0000000000000000