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] SMP PTI
CPU: 5 PID: 225026 Comm: kworker/5:2 Tainted: G S      W         5.13.4-200.fc34.x86_64 #1
Hardware name: LENOVO 20L5CTO1WW/20L5CTO1WW, BIOS N24ET61W (1.36 ) 10/13/2020
mei_hdcp 0000:00:16.0-b638ab7e-94e2-4ea2-a552-d1c54b627f04: bound 0000:00:02.0 (ops i915_hdcp_component_ops [i915])
Workqueue: usb_hub_wq hub_event
RIP: 0010:strcmp+0xc/0x20
Code: 06 49 89 f8 48 83 c6 01 48 83 c7 01 88 47 ff 84 c0 75 eb 4c 89 c0 c3 0f 1f 80 00 00 00 00 31 c0 eb 08 48 83 c0 01 84 d2 74 0f <0f> b6 14 07 3a 14 06 74 ef 19 c0 83 c8 01 c3 31 c0 c3 66 90 48 85
RSP: 0000:ffffb40cc2fe7d98 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff9c9682db21c0 RCX: ffff9c9682e7edc8
RDX: 0000000000000001 RSI: ffffffff8366fe0a RDI: 0000000000000000
RBP: ffff9c9682db21c0 R08: ffff9c97d756a620 R09: ffff9c97ba36fdec
R10: 000000000000000b R11: 000000000000000b R12: ffff9c97d756a600
R13: ffff9c97d7574200 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff9c97d7540000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000005cc10001 CR4: 00000000003706e0
Call Trace:
 hub_event+0x6d/0x1770
 ? psi_task_switch+0xc5/0x240
 ? __switch_to_asm+0x42/0x70
 ? __switch_to+0x11b/0x460
 process_one_work+0x1ec/0x380
 worker_thread+0x53/0x3e0
 ? process_one_work+0x380/0x380
 kthread+0x127/0x150
 ? set_kthread_struct+0x40/0x40
 ret_from_fork+0x22/0x30
Modules linked in: rfcomm uinput snd_seq_dummy snd_hrtimer nf_conntrack_netlink xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nf_conntrack_tftp xt_addrtype br_netfilter bridge stp llc nft_masq 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 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 nf_tables nfnetlink ip6table_filter ip6_tables iptable_filter bnep sunrpc vfat fat squashfs loop snd_soc_skl snd_soc_hdac_hda snd_hda_ext_core snd_hda_codec_hdmi snd_soc_sst_ipc snd_soc_sst_dsp snd_soc_acpi_intel_match snd_soc_acpi snd_soc_core snd_ctl_led snd_hda_codec_realtek snd_compress snd_hda_codec_generic iwlmvm snd_pcm_dmaengine ac97_bus intel_tcc_cooling snd_hda_intel x86_pkg_temp_thermal intel_powerclamp
 snd_intel_dspcfg coretemp snd_intel_sdw_acpi mac80211 snd_hda_codec mei_hdcp kvm_intel snd_hda_core iTCO_wdt intel_pmc_bxt ee1004 iTCO_vendor_support snd_hwdep libarc4 uvcvideo snd_seq intel_rapl_msr kvm snd_seq_device iwlwifi videobuf2_vmalloc irqbypass rapl snd_pcm intel_cstate videobuf2_memops intel_uncore videobuf2_v4l2 i2c_i801 pcspkr wmi_bmof videobuf2_common thunderbolt snd_timer intel_wmi_thunderbolt btusb cfg80211 btrtl i2c_smbus btbcm mei_me btintel videodev idma64 mei intel_pch_thermal bluetooth mc processor_thermal_device joydev nxp_nci_i2c processor_thermal_rfim thinkpad_acpi nxp_nci processor_thermal_mbox processor_thermal_rapl nci ucsi_acpi intel_rapl_common typec_ucsi platform_profile intel_soc_dts_iosf ledtrig_audio typec nfc intel_xhci_usb_role_switch snd soundcore int3403_thermal rfkill int340x_thermal_zone int3400_thermal acpi_thermal_rel acpi_pad zram ip_tables hid_multitouch i915 i2c_algo_bit drm_kms_helper cec crct10dif_pclmul crc32_pclmul
 crc32c_intel nvme ghash_clmulni_intel e1000e drm nvme_core uas serio_raw usb_storage wmi video pinctrl_sunrisepoint fuse
CR2: 0000000000000000