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 NOPTI
CPU: 5 PID: 271030 Comm: kworker/5:2 Not tainted 5.11.15-300.fc34.x86_64 #1
Hardware name: LENOVO 20TJS2F44A/20TJS2F44A, BIOS N2VET29W (1.14 ) 03/15/2021
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:ffffb69d85c4fd98 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff9ea8911bf9c0 RCX: ffff9ea8911be5c8
RDX: 0000000000000001 RSI: ffffffffab453af3 RDI: 0000000000000000
RBP: ffff9ea8911bf9c0 R08: ffff9eae1c3699a0 R09: ffff9ea9d72861ec
R10: 000000000000000b R11: 000000000000000b R12: ffff9eae1c369980
R13: ffff9eae1c372e00 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff9eae1c340000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000698a10001 CR4: 00000000007706e0
PKRU: 55555554
Call Trace:
 hub_event+0x6d/0x1760
 ? dequeue_entity+0xc3/0x460
 ? __switch_to_asm+0x42/0x70
 ? __switch_to+0x18e/0x460
 process_one_work+0x1ec/0x380
 worker_thread+0x53/0x3e0
 ? process_one_work+0x380/0x380
 kthread+0x11b/0x140
 ? kthread_associate_blkcg+0xa0/0xa0
 ret_from_fork+0x1f/0x30
Modules linked in: tun uinput snd_seq_dummy rfcomm snd_hrtimer xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nf_conntrack_tftp bridge stp llc ccm snd_usb_audio snd_usbmidi_lib snd_rawmidi cdc_ether usbnet r8152 mii 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 cmac bnep sunrpc vfat fat snd_soc_skl_hda_dsp snd_soc_hdac_hdmi snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_soc_dmic snd_sof_pci snd_sof_intel_hda_common snd_sof_intel_hda snd_sof_intel_byt snd_sof_intel_ipc snd_sof snd_sof_xtensa_dsp snd_soc_skl snd_soc_hdac_hda snd_hda_ext_core snd_soc_sst_ipc snd_soc_sst_dsp
 snd_soc_acpi_intel_match snd_soc_acpi snd_hda_intel snd_intel_dspcfg soundwire_intel soundwire_generic_allocation x86_pkg_temp_thermal snd_soc_core intel_powerclamp iTCO_wdt iwlmvm snd_compress intel_pmc_bxt coretemp kvm_intel snd_pcm_dmaengine iTCO_vendor_support mei_wdt ee1004 mei_hdcp soundwire_cadence intel_rapl_msr mac80211 kvm snd_hda_codec irqbypass snd_hda_core libarc4 uvcvideo btusb rapl ac97_bus intel_cstate snd_hwdep btrtl snd_seq btbcm iwlwifi intel_uncore videobuf2_vmalloc btintel snd_seq_device videobuf2_memops videobuf2_v4l2 bluetooth pcspkr joydev snd_pcm sparse_keymap videobuf2_common i2c_i801 processor_thermal_device wmi_bmof intel_wmi_thunderbolt cfg80211 videodev snd_timer thinkpad_acpi thunderbolt i2c_smbus processor_thermal_rfim processor_thermal_mbox ucsi_acpi mei_me platform_profile processor_thermal_rapl ecdh_generic typec_ucsi mc ledtrig_audio intel_rapl_common mei ecc typec snd intel_soc_dts_iosf intel_pch_thermal soundcore rfkill int3403_thermal
 int340x_thermal_zone int3400_thermal acpi_thermal_rel acpi_pad acpi_tad zram ip_tables dm_crypt i915 i2c_algo_bit drm_kms_helper rtsx_pci_sdmmc mmc_core cec drm crct10dif_pclmul crc32_pclmul crc32c_intel nvme nvme_core ghash_clmulni_intel rtsx_pci serio_raw wmi video pinctrl_cannonlake fuse
CR2: 0000000000000000