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: 7 PID: 18104 Comm: kworker/7:1 Tainted: G        W         5.16.11-200.fc35.x86_64 #1
Hardware name: HUAWEI MACH-WX9/MACH-WX9-PCB, BIOS 1.28 03/15/2019
Workqueue: usb_hub_wq hub_event
RIP: 0010:strcmp+0xc/0x20
Code: 75 f7 31 d2 44 0f b6 04 16 44 88 04 11 48 83 c2 01 45 84 c0 75 ee 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:ffff9c30c4c3bd98 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff8d7fea0981c0 RCX: 0000000000000000
RDX: 0000000000000001 RSI: ffffffffa0697cb0 RDI: 0000000000000000
RBP: ffff8d7fea0981c0 R08: ffff8d8331ff0fe0 R09: ffff8d8161309c74
R10: 000000000000000b R11: 000000000000000b R12: ffff8d8331ff0fc0
R13: ffff8d8331ffa700 R14: 0000000000000000 R15: ffff8d8331ffa705
FS:  0000000000000000(0000) GS:ffff8d8331fc0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000012e10001 CR4: 00000000003706e0
Call Trace:
 <TASK>
 hub_event+0x6d/0x17b0
 ? _raw_spin_unlock+0x16/0x30
 ? finish_task_switch.isra.0+0xc1/0x2f0
 ? __schedule+0x2df/0xfa0
 process_one_work+0x1e8/0x3c0
 worker_thread+0x50/0x3b0
 ? rescuer_thread+0x370/0x370
 kthread+0x16b/0x190
 ? set_kthread_struct+0x40/0x40
 ret_from_fork+0x22/0x30
 </TASK>
Modules linked in: uhid hidp snd_seq_dummy snd_hrtimer uinput rfcomm 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_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set nf_tables nfnetlink qrtr bnep sunrpc vfat fat squashfs loop snd_soc_skl snd_soc_hdac_hda snd_hda_ext_core snd_soc_sst_ipc snd_hda_codec_hdmi snd_soc_sst_dsp snd_soc_acpi_intel_match iwlmvm snd_soc_acpi intel_tcc_cooling snd_ctl_led snd_soc_core x86_pkg_temp_thermal snd_hda_codec_realtek intel_powerclamp iTCO_wdt snd_hda_codec_generic mei_hdcp intel_pmc_bxt snd_compress coretemp iTCO_vendor_support mei_pxp mac80211 snd_usb_audio intel_rapl_msr ac97_bus snd_pcm_dmaengine snd_hda_intel snd_usbmidi_lib kvm_intel libarc4 snd_intel_dspcfg btusb snd_intel_sdw_acpi kvm btrtl snd_hda_codec iwlwifi snd_hda_core irqbypass btbcm rapl snd_rawmidi snd_hwdep intel_cstate snd_seq btintel
 huawei_wmi cfg80211 intel_uncore ledtrig_audio uvcvideo wmi_bmof intel_wmi_thunderbolt sparse_keymap i2c_i801 snd_seq_device videobuf2_vmalloc spi_pxa2xx_platform videobuf2_memops pcspkr snd_pcm dw_dmac i2c_smbus bluetooth videobuf2_v4l2 videobuf2_common snd_timer processor_thermal_device_pci_legacy videodev joydev processor_thermal_device snd mei_me processor_thermal_rfim ecdh_generic processor_thermal_mbox soundcore processor_thermal_rapl rfkill mc idma64 mei intel_rapl_common intel_soc_dts_iosf intel_xhci_usb_role_switch intel_pch_thermal acpi_als industrialio_triggered_buffer kfifo_buf int3403_thermal industrialio int340x_thermal_zone acpi_pad dptf_power int3400_thermal acpi_thermal_rel zram ip_tables i915 nouveau drm_ttm_helper mxm_wmi i2c_algo_bit ttm drm_kms_helper nvme hid_multitouch cec crct10dif_pclmul crc32_pclmul crc32c_intel drm ghash_clmulni_intel serio_raw nvme_core i2c_hid_acpi i2c_hid wmi video pinctrl_sunrisepoint ipmi_devintf ipmi_msghandler fuse
CR2: 0000000000000000