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: 7 PID: 37398 Comm: kworker/7:0 Tainted: G        W         5.12.7-300.fc34.x86_64 #1
Hardware name: LENOVO 20N5S2NC0N/20N5S2NC0N, BIOS N2IET95W (1.73 ) 04/27/2021
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:ffffb689476efd98 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff97f887efc9c0 RCX: ffff97f887efd9c8
RDX: 0000000000000001 RSI: ffffffff8e45f78b RDI: 0000000000000000
RBP: ffff97f887efc9c0 R08: ffff97ffdc5e9d60 R09: ffff97fb912e5d2c
R10: 000000000000000b R11: 000000000000000b R12: ffff97ffdc5e9d40
R13: ffff97ffdc5f3200 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff97ffdc5c0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000024da10001 CR4: 00000000003706e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 hub_event+0x6d/0x1760
 ? sched_clock+0x5/0x10
 ? sched_clock_cpu+0xc/0xa0
 ? __switch_to_asm+0x42/0x70
 ? __switch_to+0x11b/0x450
 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: ccm rfcomm snd_seq_dummy 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 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 cmac ip6table_filter ip6_tables iptable_filter bnep sunrpc vfat fat squashfs loop snd_hda_codec_hdmi snd_sof_pci_intel_cnl snd_sof_intel_hda_common soundwire_intel soundwire_generic_allocation soundwire_cadence snd_sof_intel_hda snd_sof_pci snd_sof x86_pkg_temp_thermal intel_powerclamp snd_sof_xtensa_dsp snd_soc_skl coretemp snd_soc_hdac_hda snd_hda_ext_core kvm_intel snd_soc_sst_ipc snd_soc_sst_dsp snd_soc_acpi_intel_match snd_soc_acpi iTCO_wdt snd_soc_core
 snd_hda_codec_realtek intel_pmc_bxt ee1004 iTCO_vendor_support mei_hdcp mei_wdt intel_rapl_msr kvm snd_hda_codec_generic snd_compress iwlmvm snd_pcm_dmaengine ac97_bus snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi irqbypass snd_hda_codec mac80211 rapl snd_hda_core intel_cstate uvcvideo btusb snd_hwdep libarc4 intel_uncore btrtl videobuf2_vmalloc snd_seq videobuf2_memops btbcm iwlwifi joydev videobuf2_v4l2 btintel pcspkr snd_seq_device videobuf2_common snd_pcm wmi_bmof i2c_i801 intel_wmi_thunderbolt processor_thermal_device i2c_smbus bluetooth snd_timer cfg80211 processor_thermal_rfim thunderbolt videodev thinkpad_acpi processor_thermal_mbox mei_me platform_profile processor_thermal_rapl ucsi_acpi ledtrig_audio ecdh_generic mei typec_ucsi idma64 mc ecc snd intel_rapl_common intel_soc_dts_iosf intel_pch_thermal typec soundcore int3403_thermal rfkill int340x_thermal_zone acpi_pad int3400_thermal acpi_thermal_rel zram ip_tables i915 rtsx_pci_sdmmc mmc_core i2c_algo_bit
 drm_kms_helper crct10dif_pclmul crc32_pclmul crc32c_intel cec nvme drm e1000e ghash_clmulni_intel serio_raw nvme_core rtsx_pci wmi video pinctrl_cannonlake fuse
CR2: 0000000000000000