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: Oops: 0000 [#1] PREEMPT SMP PTI
CPU: 0 UID: 0 PID: 135885 Comm: kworker/0:0 Tainted: G        W          6.11.3-200.fc40.x86_64 #1
Tainted: [W]=WARN
Hardware name: LENOVO 20LJS3X800/20LJS3X800, BIOS R0SET51W (1.35 ) 02/09/2022
Workqueue: events ucsi_handle_connector_change [typec_ucsi]
RIP: 0010:strlen+0x4/0x30
Code: f7 75 ec 31 c0 c3 cc cc cc cc 48 89 f8 c3 cc cc cc cc 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa <80> 3f 00 74 18 48 89 f8 0f 1f 40 00 48 83 c0 01 80 38 00 75 f7 48
RSP: 0018:ffffbc401815fda8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000082000100
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff9df14152dcb0 R09: 00000000820001e5
R10: 00000000820001e5 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: ffff9df14ad97050 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff9df4a1400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000014a42a006 CR4: 00000000003706f0
Call Trace:
 <TASK>
 ? __die_body.cold+0x19/0x27
 ? page_fault_oops+0x15a/0x2f0
 ? exc_page_fault+0x7e/0x180
 ? asm_exc_page_fault+0x26/0x30
 ? strlen+0x4/0x30
 kernfs_name_hash+0x12/0xb0
 kernfs_find_ns+0x37/0xc0
 kernfs_remove_by_name_ns+0x4a/0xc0
 typec_unregister_partner+0x4c/0xe0 [typec]
 ucsi_unregister_partner+0x103/0x140 [typec_ucsi]
 ucsi_handle_connector_change+0x293/0x300 [typec_ucsi]
 process_one_work+0x176/0x330
 worker_thread+0x252/0x390
 ? __pfx_worker_thread+0x10/0x10
 kthread+0xcf/0x100
 ? __pfx_kthread+0x10/0x10
 ret_from_fork+0x31/0x50
 ? __pfx_kthread+0x10/0x10
 ret_from_fork_asm+0x1a/0x30
 </TASK>
Modules linked in: hid_maltron exfat udf crc_itu_t rfcomm snd_seq_dummy snd_hrtimer 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 uhid qrtr ppdev parport_pc parport vmw_vsock_vmci_transport vsock bnep vmw_vmci sunrpc pktcdvd snd_sof_pci_intel_skl snd_sof_intel_hda_generic soundwire_intel soundwire_cadence snd_sof_intel_hda_common snd_sof_intel_hda_mlink snd_sof_intel_hda snd_sof_pci snd_sof_xtensa_dsp snd_sof snd_sof_utils soundwire_generic_allocation soundwire_bus snd_soc_avs hid_sensor_rotation hid_sensor_als hid_sensor_gyro_3d hid_sensor_magn_3d hid_sensor_accel_3d hid_sensor_trigger snd_soc_hda_codec hid_sensor_iio_common industrialio_triggered_buffer kfifo_buf snd_soc_skl industrialio 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 snd_soc_acpi
 iTCO_wdt snd_hda_codec_conexant intel_pmc_bxt snd_soc_core iTCO_vendor_support snd_hda_codec_generic snd_compress ac97_bus snd_pcm_dmaengine mei_pxp intel_uncore_frequency mei_wdt mei_hdcp snd_hda_intel intel_uncore_frequency_common snd_usb_audio intel_tcc_cooling snd_intel_dspcfg hid_sensor_hub snd_intel_sdw_acpi x86_pkg_temp_thermal intel_rapl_msr intel_powerclamp iwlmvm snd_hda_codec coretemp kvm_intel snd_hda_core mac80211 snd_usbmidi_lib kvm libarc4 snd_ump snd_rawmidi snd_hwdep rapl snd_seq intel_cstate snd_seq_device uvcvideo intel_uncore iwlwifi uvc videobuf2_vmalloc intel_wmi_thunderbolt btusb snd_pcm videobuf2_memops btrtl videobuf2_v4l2 pcspkr btintel videobuf2_common think_lmi uas btbcm wmi_bmof firmware_attributes_class snd_ctl_led videodev e1000e i2c_i801 btmtk snd_timer usb_storage i2c_smbus cfg80211 mc processor_thermal_device_pci_legacy bluetooth processor_thermal_device cdc_mbim cdc_wdm mmc_block cdc_ncm processor_thermal_wt_hint processor_thermal_rfim thinkpad_acpi cdc_ether mei_me
 processor_thermal_rapl usbnet intel_rapl_common mei cdc_acm sparse_keymap platform_profile mii intel_pch_thermal processor_thermal_wt_req processor_thermal_power_floor intel_ishtp_hid processor_thermal_mbox intel_xhci_usb_role_switch intel_soc_dts_iosf rfkill binfmt_misc snd int3403_thermal soundcore int340x_thermal_zone vfat fat intel_pmc_core intel_vsec pmt_telemetry int3400_thermal pmt_class wacom acpi_pad acpi_thermal_rel joydev loop nfnetlink zram i915 crct10dif_pclmul crc32_pclmul rtsx_pci_sdmmc crc32c_intel polyval_clmulni polyval_generic mmc_core nvme i2c_algo_bit ghash_clmulni_intel drm_buddy sha512_ssse3 ttm sha256_ssse3 nvme_core sha1_ssse3 drm_display_helper ucsi_acpi typec_ucsi intel_ish_ipc rtsx_pci nvme_auth intel_ishtp typec cec video wmi serio_raw ip6_tables ip_tables fuse
CR2: 0000000000000000