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: 2 PID: 372303 Comm: kworker/2:0 Tainted: G        W         5.17.12-100.fc34.x86_64 #1
Hardware name: LENOVO 20TJS2F40X/20TJS2F40X, BIOS N2VET32W (1.17 ) 06/24/2021
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 cc 66 0f 1f 44 00 00 31 c0 eb 08 48 83 c0 01 84 d2 74 10 <0f> b6 14 07 3a 14 06 74 ef 19 c0 83 c8 01 c3 cc 31 c0 c3 cc 48 85
RSP: 0018:ffffa56405ecbda0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff9012d46a85c0 RCX: 0000000000000000
RDX: 0000000000000001 RSI: ffffffff966a44c0 RDI: 0000000000000000
RBP: ffff9012d46a85c0 R08: ffff9012d46a85c8 R09: ffff901186bcd734
R10: 000000000000000b R11: 000000000000000b R12: ffff90159c2b0f40
R13: ffff90159c2ba800 R14: 0000000000000000 R15: ffff9012d46a8400
FS:  0000000000000000(0000) GS:ffff90159c280000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000001d4718003 CR4: 00000000007706e0
PKRU: 55555554
Call Trace:
 <TASK>
 hub_event+0x68/0x18d0
 ? finish_task_switch.isra.0+0xc1/0x2f0
 ? __switch_to+0x114/0x440
 ? __schedule+0x2e6/0x11c0
 ? queue_delayed_work_on+0x39/0x50
 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: uas usb_storage usblp binfmt_misc 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 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_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_soc_dmic snd_sof_pci_intel_cnl snd_sof_intel_hda_common iwlmvm soundwire_intel soundwire_generic_allocation soundwire_cadence snd_sof_intel_hda snd_sof_pci snd_sof_xtensa_dsp snd_sof mac80211
 soundwire_bus snd_soc_skl snd_soc_hdac_hda snd_hda_ext_core snd_soc_sst_ipc libarc4 snd_soc_sst_dsp snd_soc_acpi_intel_match snd_soc_acpi intel_tcc_cooling snd_soc_core iwlwifi x86_pkg_temp_thermal intel_powerclamp snd_compress coretemp ac97_bus mei_hdcp mei_pxp mei_wdt snd_pcm_dmaengine ee1004 kvm_intel iTCO_wdt intel_pmc_bxt iTCO_vendor_support intel_rapl_msr snd_hda_intel btusb kvm snd_intel_dspcfg snd_intel_sdw_acpi btrtl btbcm snd_hda_codec irqbypass iwlmei uvcvideo btintel btmtk rapl intel_cstate snd_hda_core videobuf2_vmalloc bluetooth snd_hwdep videobuf2_memops intel_uncore cfg80211 snd_seq videobuf2_v4l2 snd_seq_device videobuf2_common processor_thermal_device_pci_legacy pcspkr joydev processor_thermal_device snd_pcm sparse_keymap thinkpad_acpi videodev think_lmi i2c_i801 processor_thermal_rfim intel_wmi_thunderbolt wmi_bmof mei_me firmware_attributes_class processor_thermal_mbox ledtrig_audio thunderbolt snd_timer i2c_smbus ecdh_generic processor_thermal_rapl
 platform_profile mc intel_rapl_common rfkill mei snd intel_soc_dts_iosf intel_pch_thermal soundcore int3403_thermal int340x_thermal_zone int3400_thermal acpi_pad acpi_thermal_rel acpi_tad zram ip_tables i915 i2c_algo_bit drm_kms_helper cec ttm rtsx_pci_sdmmc mmc_core crct10dif_pclmul crc32_pclmul crc32c_intel drm nvme nvme_core ghash_clmulni_intel rtsx_pci serio_raw ucsi_acpi typec_ucsi typec wmi video pinctrl_cannonlake ipmi_devintf ipmi_msghandler fuse
CR2: 0000000000000000