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: 357884 Comm: kworker/0:1 Not tainted 6.14.5-200.fc41.x86_64 #1
Hardware name: LENOVO 20L7S24F00/20L7S24F00, BIOS N22ET83W (1.60 ) 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: 0000:ffffbfe20b90bd80 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000082000100
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff9d9fa5069b98 R09: 00000000820001e9
R10: 00000000820001e9 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff9d9faf200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000001a258a005 CR4: 00000000003726f0
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+0x252/0x390
 ? __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: typec_displayport wireguard curve25519_x86_64 libcurve25519_generic ip6_udp_tunnel udp_tunnel 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 qrtr bnep sunrpc binfmt_misc snd_sof_pci_intel_skl vfat snd_sof_intel_hda_generic fat 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 intel_uncore_frequency snd_soc_acpi_intel_sdca_quirks intel_uncore_frequency_common soundwire_generic_allocation intel_pmc_core_pltdrv snd_soc_acpi intel_pmc_core soundwire_bus pmt_telemetry pmt_class snd_soc_sdca intel_vsec intel_tcc_cooling snd_soc_avs snd_hda_codec_hdmi snd_soc_hda_codec iwlmvm x86_pkg_temp_thermal intel_powerclamp snd_hda_ext_core
 elan_i2c coretemp snd_soc_core snd_hda_codec_realtek iTCO_wdt snd_compress kvm_intel squashfs snd_hda_codec_generic ac97_bus intel_pmc_bxt snd_hda_scodec_component mac80211 iTCO_vendor_support ee1004 snd_pcm_dmaengine mei_hdcp mei_pxp intel_rapl_msr snd_hda_intel kvm libarc4 uvcvideo snd_intel_dspcfg snd_intel_sdw_acpi uvc videobuf2_vmalloc btusb irqbypass videobuf2_memops snd_hda_codec videobuf2_v4l2 btrtl videobuf2_common snd_hda_core btintel iwlwifi rapl snd_hwdep think_lmi btbcm videodev intel_cstate btmtk snd_seq snd_seq_device intel_uncore firmware_attributes_class bluetooth mc pcspkr snd_ctl_led cfg80211 snd_pcm e1000e wmi_bmof intel_wmi_thunderbolt processor_thermal_device_pci_legacy i2c_i801 processor_thermal_device i2c_smbus snd_timer processor_thermal_wt_hint processor_thermal_rfim mei_me thinkpad_acpi processor_thermal_rapl mei intel_rapl_common idma64 sparse_keymap processor_thermal_wt_req processor_thermal_power_floor intel_pch_thermal platform_profile processor_thermal_mbox
 intel_xhci_usb_role_switch intel_soc_dts_iosf rfkill snd int3403_thermal soundcore int340x_thermal_zone int3400_thermal acpi_pad acpi_thermal_rel joydev loop nfnetlink zram lz4hc_compress lz4_compress i915 hid_logitech_hidpp i2c_algo_bit polyval_clmulni drm_buddy polyval_generic nvme ttm ghash_clmulni_intel uas sha512_ssse3 ucsi_acpi drm_display_helper usb_storage nvme_core sha256_ssse3 sha1_ssse3 video typec_ucsi nvme_auth cec typec wmi hid_logitech_dj serio_raw fuse
CR2: 0000000000000000