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: 0 PID: 10 Comm: kworker/0:1 Not tainted 6.7.4-200.fc39.x86_64 #1
Hardware name: LENOVO 20R1S05B00/20R1S05B00, BIOS N2QET54W(1.48 ) 11/08/2023
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 14 48 89 f8 48 83 c0 01 80 38 00 75 f7 48 29 f8 c3 cc
RSP: 0018:ffffbf31800cfd90 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000081000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000810000eb
R10: ffff96d1069df640 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: ffff96d0c0f9a000 R15: ffff96d0c0f9a038
FS:  0000000000000000(0000) GS:ffff96d430400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000001bd6f2006 CR4: 00000000003706f0
Call Trace:
 <TASK>
 ? __die+0x23/0x70
 ? page_fault_oops+0x171/0x4e0
 ? __wake_up_sync_key+0x3b/0x60
 ? exc_page_fault+0x7f/0x180
 ? asm_exc_page_fault+0x26/0x30
 ? strlen+0x4/0x30
 kernfs_name_hash+0x12/0x90
 kernfs_find_ns+0x35/0xc0
 kernfs_remove_by_name_ns+0x4a/0xd0
 typec_unregister_partner+0x4c/0xe0 [typec]
 ucsi_unregister_partner.part.0+0x83/0xa0 [typec_ucsi]
 ucsi_handle_connector_change+0x1bb/0x310 [typec_ucsi]
 process_one_work+0x171/0x340
 worker_thread+0x27b/0x3a0
 ? __pfx_worker_thread+0x10/0x10
 kthread+0xe5/0x120
 ? __pfx_kthread+0x10/0x10
 ret_from_fork+0x31/0x50
 ? __pfx_kthread+0x10/0x10
 ret_from_fork_asm+0x1b/0x30
 </TASK>
Modules linked in: uinput rfcomm snd_seq_dummy snd_hrtimer xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nf_conntrack_tftp bridge stp llc 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 iptable_filter qrtr bnep snd_ctl_led snd_soc_skl_hda_dsp snd_soc_hdac_hdmi snd_sof_probes snd_soc_intel_hda_dsp_common 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 sunrpc soundwire_intel snd_sof_intel_hda_mlink soundwire_cadence snd_sof_intel_hda snd_sof_pci snd_sof_xtensa_dsp snd_sof snd_sof_utils soundwire_generic_allocation soundwire_bus iwlmvm 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 mac80211 snd_soc_core x86_pkg_temp_thermal intel_powerclamp snd_compress coretemp ac97_bus snd_pcm_dmaengine snd_hda_intel kvm_intel snd_intel_dspcfg snd_intel_sdw_acpi libarc4 snd_hda_codec uvcvideo binfmt_misc uvc kvm r8153_ecm videobuf2_vmalloc spi_nor snd_hda_core videobuf2_memops cdc_ether videobuf2_v4l2 processor_thermal_device_pci_legacy mei_hdcp mei_pxp usbnet videobuf2_common iTCO_wdt snd_hwdep mtd processor_thermal_device iwlwifi btusb videodev snd_seq btrtl irqbypass btintel intel_pmc_bxt processor_thermal_wt_hint processor_thermal_rfim snd_seq_device mei_me think_lmi iTCO_vendor_support vfat processor_thermal_rapl btbcm spi_intel_pci rapl r8152 btmtk intel_cstate intel_rapl_msr fat mii intel_uncore pcspkr mc bluetooth intel_wmi_thunderbolt snd_pcm firmware_attributes_class cfg80211 wmi_bmof thinkpad_acpi spi_intel intel_rapl_common i2c_i801 ledtrig_audio processor_thermal_wt_req mei snd_timer i2c_smbus
 processor_thermal_power_floor idma64 platform_profile processor_thermal_mbox intel_soc_dts_iosf rfkill intel_pch_thermal snd soundcore int3400_thermal int3403_thermal int340x_thermal_zone acpi_thermal_rel acpi_tad acpi_pad joydev loop zram dm_crypt typec_displayport i915 i2c_algo_bit drm_buddy crct10dif_pclmul ttm crc32_pclmul crc32c_intel polyval_clmulni polyval_generic drm_display_helper ghash_clmulni_intel sha512_ssse3 nvme hid_multitouch sha256_ssse3 ucsi_acpi e1000e typec_ucsi nvme_core sha1_ssse3 cec typec i2c_hid_acpi nvme_auth i2c_hid video wmi pinctrl_cannonlake serio_raw scsi_dh_rdac scsi_dh_emc scsi_dh_alua ip6_tables ip_tables dm_multipath fuse
CR2: 0000000000000000