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: 4 UID: 0 PID: 361229 Comm: kworker/4:0 Tainted: G        W          6.14.11-200.fc41.x86_64 #1
Tainted: [W]=WARN
Hardware name: LENOVO 20L50011US/20L50011US, BIOS N24ET79W (1.54 ) 03/17/2025
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:ffffd20616dbbd80 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000081000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff8f4d39aaacf0 R09: 0000000081000059
R10: 0000000081000059 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8f5031600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000002c082c002 CR4: 00000000003726f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 kernfs_name_hash+0x12/0xb0
 kernfs_find_ns+0x37/0xc0
 kernfs_remove_by_name_ns+0x4a/0xc0
 typec_unregister_partner+0x5d/0x110 [typec]
 ucsi_unregister_partner+0x103/0x140 [typec_ucsi]
 ucsi_handle_connector_change+0x29d/0x2f0 [typec_ucsi]
 process_one_work+0x176/0x330
 worker_thread+0x251/0x390
 ? __pfx_worker_thread+0x10/0x10
 kthread+0xec/0x230
 ? __pfx_kthread+0x10/0x10
 ret_from_fork+0x31/0x50
 ? __pfx_kthread+0x10/0x10
 ret_from_fork_asm+0x1a/0x30
 </TASK>
Modules linked in: exfat uinput rfcomm snd_seq_dummy snd_hrtimer r8153_ecm cdc_ether usbnet 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 snd_usb_audio snd_usbmidi_lib r8152 snd_ump snd_rawmidi mii bnep qrtr uvcvideo btusb uvc btrtl btintel videobuf2_vmalloc btbcm videobuf2_memops btmtk sunrpc videobuf2_v4l2 bluetooth videobuf2_common videodev mc rmi_smbus rmi_core snd_sof_pci_intel_skl snd_sof_intel_hda_generic soundwire_intel soundwire_cadence snd_sof_intel_hda_common snd_soc_hdac_hda snd_sof_intel_hda_mlink snd_sof_intel_hda snd_sof_pci snd_sof_xtensa_dsp snd_sof snd_sof_utils snd_soc_acpi_intel_match snd_soc_acpi_intel_sdca_quirks soundwire_generic_allocation snd_soc_acpi soundwire_bus snd_soc_sdca snd_soc_avs intel_uncore_frequency intel_uncore_frequency_common intel_pmc_core_pltdrv intel_pmc_core pmt_telemetry
 snd_soc_hda_codec pmt_class intel_vsec intel_tcc_cooling snd_hda_ext_core x86_pkg_temp_thermal snd_hda_codec_hdmi binfmt_misc intel_powerclamp snd_soc_core iwlmvm coretemp snd_hda_codec_realtek kvm_intel snd_hda_codec_generic snd_compress ac97_bus iTCO_wdt snd_hda_scodec_component snd_pcm_dmaengine intel_pmc_bxt vfat mac80211 fat mei_hdcp mei_pxp mei_wdt intel_rapl_msr ee1004 iTCO_vendor_support snd_hda_intel kvm libarc4 snd_intel_dspcfg irqbypass snd_intel_sdw_acpi snd_hda_codec iwlwifi rapl processor_thermal_device_pci_legacy intel_cstate snd_hda_core processor_thermal_device processor_thermal_wt_hint snd_hwdep snd_ctl_led processor_thermal_rfim think_lmi snd_seq intel_uncore typec_displayport pcspkr snd_seq_device firmware_attributes_class wmi_bmof intel_wmi_thunderbolt cfg80211 snd_pcm thinkpad_acpi i2c_i801 processor_thermal_rapl e1000e snd_timer i2c_smbus mei_me intel_rapl_common sparse_keymap processor_thermal_wt_req platform_profile processor_thermal_power_floor mei processor_thermal_mbox idma64
 rfkill intel_xhci_usb_role_switch intel_pch_thermal intel_soc_dts_iosf snd int3403_thermal soundcore int340x_thermal_zone int3400_thermal acpi_thermal_rel acpi_pad joydev loop nfnetlink zram lz4hc_compress lz4_compress i915 nvme uas polyval_clmulni polyval_generic i2c_algo_bit ghash_clmulni_intel drm_buddy sha512_ssse3 ttm usb_storage ucsi_acpi nvme_core sha256_ssse3 drm_display_helper video sha1_ssse3 typec_ucsi typec cec nvme_auth wmi serio_raw fuse
CR2: 0000000000000000