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 NOPTI
CPU: 7 PID: 725221 Comm: kworker/7:1 Tainted: G        W          6.0.12-100.fc35.x86_64 #1
Hardware name: LENOVO 20U9CTO1WW/20U9CTO1WW, BIOS N2WET21W (1.11 ) 08/13/2020
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: 0018:ffffaa7fc6fffda8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff911c75f8d300 RCX: 0000000000000000
RDX: 0000000000000001 RSI: ffffffff9d7fafe5 RDI: 0000000000000000
RBP: ffff911b40ce29c0 R08: ffff911b40ce29c8 R09: ffff911c75f8d374
R10: 000000000000000b R11: 000000000000000b R12: ffff911eac1f1200
R13: ffff911eac1faa00 R14: ffff911b40ce2800 R15: ffff911b40ce29c0
FS:  0000000000000000(0000) GS:ffff911eac1c0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000002c0c30003 CR4: 00000000003706e0
Call Trace:
 <TASK>
 hub_event+0x68/0x18e0
 ? rpm_idle+0x1d/0x2f0
 ? preempt_count_add+0x70/0xa0
 ? _raw_spin_lock+0x13/0x40
 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: xt_comment uinput 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 ip6table_filter ip6_tables iptable_filter qrtr binfmt_misc bnep sunrpc vfat fat squashfs loop snd_ctl_led snd_soc_skl_hda_dsp snd_soc_intel_hda_dsp_common snd_soc_hdac_hdmi snd_sof_probes snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_soc_dmic 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_xtensa_dsp snd_sof snd_sof_utils
 soundwire_bus 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_soc_core snd_compress ac97_bus snd_pcm_dmaengine iwlmvm snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi intel_tcc_cooling iTCO_wdt intel_pmc_bxt x86_pkg_temp_thermal snd_hda_codec mac80211 iTCO_vendor_support mei_pxp mei_hdcp intel_powerclamp intel_rapl_msr coretemp snd_hda_core libarc4 snd_hwdep rapl intel_cstate snd_seq intel_uncore uvcvideo btusb snd_seq_device iwlwifi btrtl think_lmi videobuf2_vmalloc pcspkr snd_pcm btbcm firmware_attributes_class mei_me wmi_bmof videobuf2_memops btintel intel_wmi_thunderbolt videobuf2_v4l2 i2c_i801 btmtk thunderbolt snd_timer i2c_smbus videobuf2_common cfg80211 mei bluetooth videodev thinkpad_acpi processor_thermal_device_pci_legacy joydev ledtrig_audio platform_profile idma64 processor_thermal_device mc processor_thermal_rfim rfkill processor_thermal_mbox processor_thermal_rapl intel_pch_thermal
 intel_rapl_common intel_soc_dts_iosf snd int3403_thermal soundcore int340x_thermal_zone soc_button_array int3400_thermal intel_hid acpi_pad acpi_thermal_rel sparse_keymap zram ip_tables i915 i2c_algo_bit drm_buddy drm_display_helper drm_kms_helper nvme nvme_core cec ttm hid_multitouch ucsi_acpi crct10dif_pclmul crc32_pclmul crc32c_intel polyval_clmulni polyval_generic e1000e drm ghash_clmulni_intel typec_ucsi serio_raw nvme_common typec i2c_hid_acpi wmi i2c_hid video pinctrl_cannonlake ipmi_devintf ipmi_msghandler fuse
CR2: 0000000000000000