BUG: kernel NULL pointer dereference, address: 0000000000000068
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD 0 P4D 0 
Oops: Oops: 0002 [#1] SMP PTI
CPU: 0 UID: 0 PID: 134322 Comm: kworker/0:4 Not tainted 6.19.14-108.fc42.x86_64 #1 PREEMPT(lazy) 
Hardware name: LENOVO 20L8S1G100/20L8S1G100, BIOS N22ET85W (1.62 ) 09/05/2025
Workqueue: events ucsi_handle_connector_change [typec_ucsi]
RIP: 0010:down_write+0x20/0x60
Code: 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 0f 1f 44 00 00 53 48 89 fb 2e 2e 2e 31 c0 65 ff 05 c7 7d 42 02 31 c0 ba 01 00 00 00 <f0> 48 0f b1 13 75 26 65 48 8b 05 99 7d 42 02 48 89 43 08 65 ff 0d
RSP: 0018:ffffcf2b806b3da8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000068 RCX: 00000000820001ff
RDX: 0000000000000001 RSI: ffffffffc054aa1a RDI: 0000000000000068
RBP: 0000000000000068 R08: 0000000000000000 R09: ffffffffb85bdd5e
R10: ffff89f93d1dbf60 R11: fffff64c0ff476c0 R12: ffff89f6424540b0
R13: ffff89f640211e05 R14: 0000000000000000 R15: ffff89f6528e8030
FS:  0000000000000000(0000) GS:ffff89fa067ed000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000068 CR3: 00000001afa98003 CR4: 00000000003726f0
Call Trace:
 <TASK>
 kernfs_remove_by_name_ns+0x49/0xe0
 typec_unregister_partner+0x69/0x100 [typec]
 ucsi_unregister_partner+0x103/0x140 [typec_ucsi]
 ucsi_handle_connector_change+0x351/0x3e0 [typec_ucsi]
 process_one_work+0x192/0x350
 worker_thread+0x196/0x300
 ? __pfx_worker_thread+0x10/0x10
 kthread+0xfc/0x240
 ? __pfx_kthread+0x10/0x10
 ? __pfx_kthread+0x10/0x10
 ret_from_fork+0x130/0x1a0
 ? __pfx_kthread+0x10/0x10
 ret_from_fork_asm+0x1a/0x30
 </TASK>
Modules linked in: r8153_ecm cdc_ether usbnet r8152 mii snd_usb_audio snd_usbmidi_lib snd_ump snd_rawmidi hid_logitech_hidpp hid_lenovo hid_logitech_dj rtw88_8822bu rtw88_usb rtw88_8822b rtw88_core cdc_acm exfat uinput 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 nf_tables qrtr sunrpc bnep snd_hda_codec_intelhdmi snd_hda_codec_alc269 snd_hda_scodec_component snd_hda_codec_realtek_lib snd_hda_codec_generic snd_hda_intel snd_sof_pci_intel_skl snd_sof_intel_hda_generic soundwire_intel snd_sof_intel_hda_sdw_bpt snd_sof_intel_hda_common snd_soc_hdac_hda snd_sof_intel_hda_mlink snd_sof_intel_hda snd_hda_codec_hdmi soundwire_cadence 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_sdw_utils snd_soc_acpi crc8
 soundwire_bus snd_soc_sdca intel_uncore_frequency intel_uncore_frequency_common intel_pmc_core_pltdrv intel_pmc_core snd_soc_avs pmt_telemetry pmt_discovery pmt_class intel_pmc_ssram_telemetry intel_vsec snd_soc_hda_codec intel_tcc_cooling iwlmvm binfmt_misc snd_hda_ext_core x86_pkg_temp_thermal snd_hda_codec intel_powerclamp coretemp snd_hda_core elan_i2c vfat iTCO_wdt kvm_intel mei_hdcp snd_intel_dspcfg mei_wdt intel_pmc_bxt ee1004 mei_pxp intel_rapl_msr fat iTCO_vendor_support mac80211 uvcvideo kvm snd_intel_sdw_acpi snd_hwdep uvc videobuf2_vmalloc btusb videobuf2_memops libarc4 videobuf2_v4l2 snd_soc_core videobuf2_common irqbypass btmtk rapl btrtl videodev snd_compress intel_cstate ac97_bus btbcm snd_pcm_dmaengine btintel mc iwlwifi intel_uncore processor_thermal_device_pci_legacy bluetooth snd_seq pcspkr snd_seq_device processor_thermal_device think_lmi processor_thermal_wt_hint snd_ctl_led wmi_bmof firmware_attributes_class intel_wmi_thunderbolt snd_pcm platform_temperature_control
 processor_thermal_soc_slider cfg80211 processor_thermal_rfim i2c_i801 processor_thermal_rapl e1000e mei_me intel_rapl_common i2c_smbus snd_timer thinkpad_acpi processor_thermal_wt_req idma64 processor_thermal_power_floor sparse_keymap mei platform_profile processor_thermal_mbox intel_xhci_usb_role_switch intel_pch_thermal intel_soc_dts_iosf rfkill snd soundcore int3403_thermal int340x_thermal_zone int3400_thermal acpi_thermal_rel acpi_pad joydev loop nfnetlink zram lz4hc_compress lz4_compress dm_crypt i915 ucsi_acpi i2c_algo_bit uas nvme usb_storage drm_buddy typec_ucsi ghash_clmulni_intel video ttm typec drm_display_helper nvme_core thunderbolt nvme_keyring nvme_auth intel_oc_wdt cec hkdf wmi serio_raw i2c_dev fuse
CR2: 0000000000000068

Oops: general protection fault, probably for non-canonical address 0x32415f5f0004000f: 0000 [#1] SMP NOPTI
CPU: 3 UID: 0 PID: 1096043 Comm: kworker/3:3 Tainted: G        W  OE       6.19.14-108.fc42.x86_64 #1 PREEMPT(lazy) 
Tainted: [W]=WARN, [O]=OOT_MODULE, [E]=UNSIGNED_MODULE
Hardware name: LENOVO 21SXCTO1WW/21SXCTO1WW, BIOS R30ET32W(1.06 ) 04/25/2025
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:ffffd3570e5fbd68 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 32415f5f0004000f RCX: 0000000000000001
RDX: ffff8d2992f7d500 RSI: 0000000000000000 RDI: 32415f5f0004000f
RBP: 0000000000000000 R08: fffffffc16749663 R09: 0000000000000206
R10: 000186140860d7f6 R11: 0000000000000000 R12: 0000000000000000
R13: 32415f5f0004000f R14: 0000000000000000 R15: ffff8d268d0ef500
FS:  0000000000000000(0000) GS:ffff8d2e1396d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000010840b90459c CR3: 000000033762e005 CR4: 0000000000f70ef0
PKRU: 55555554
Call Trace:
 <TASK>
 kernfs_name_hash+0x12/0x90
 kernfs_find_ns+0x52/0xe0
 kernfs_remove_by_name_ns+0x5a/0xe0
 typec_unregister_partner+0xad/0x100 [typec]
 ucsi_unregister_partner+0x103/0x140 [typec_ucsi]
 ucsi_handle_connector_change+0x351/0x3e0 [typec_ucsi]
 process_one_work+0x192/0x350
 worker_thread+0x196/0x300
 ? __pfx_worker_thread+0x10/0x10
 kthread+0xfc/0x240
 ? __pfx_kthread+0x10/0x10
 ? __pfx_kthread+0x10/0x10
 ret_from_fork+0x130/0x1a0
 ? __pfx_kthread+0x10/0x10
 ret_from_fork_asm+0x1a/0x30
 </TASK>
Modules linked in: nf_conntrack_netlink veth nft_masq uinput snd_seq_dummy rfcomm snd_hrtimer bridge stp llc xt_addrtype xt_set ip_set_hash_net ip_set xt_CT xt_connmark xt_TCPMSS xt_MASQUERADE xt_mark xt_conntrack nft_compat wireguard libcurve25519 ip6_udp_tunnel udp_tunnel binfmt_misc overlay uhid 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 sunrpc nf_tables vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) qrtr bnep snd_soc_skl_hda_dsp snd_soc_intel_sof_board_helpers snd_sof_probes snd_soc_intel_hda_dsp_common vfat fat snd_hda_codec_intelhdmi snd_hda_codec_conexant snd_hda_codec_generic snd_soc_dmic snd_hda_intel snd_sof_pci_intel_mtl snd_sof_intel_hda_generic soundwire_intel snd_sof_intel_hda_sdw_bpt snd_sof_intel_hda_common snd_soc_hdac_hda snd_sof_intel_hda_mlink snd_sof_intel_hda snd_hda_codec_hdmi soundwire_cadence
 intel_uncore_frequency iwlmvm intel_uncore_frequency_common snd_sof_pci snd_sof_xtensa_dsp x86_pkg_temp_thermal intel_powerclamp snd_sof coretemp cdc_mbim cdc_wdm cdc_ncm cdc_ether snd_sof_utils usbnet kvm_intel snd_hda_ext_core mac80211 snd_hda_codec kvm snd_hda_core snd_intel_dspcfg spi_nor snd_intel_sdw_acpi snd_soc_acpi_intel_match btusb uvcvideo spd5118 snd_soc_acpi_intel_sdca_quirks mei_gsc_proxy mtd btmtk iTCO_wdt uvc soundwire_generic_allocation intel_pmc_bxt btrtl videobuf2_vmalloc libarc4 irqbypass iTCO_vendor_support snd_soc_sdw_utils btbcm videobuf2_memops rapl btintel videobuf2_v4l2 snd_soc_acpi intel_rapl_msr intel_cstate crc8 snd_usb_audio videobuf2_common bluetooth snd_usbmidi_lib soundwire_bus videodev snd_hwdep snd_soc_sdca r8152 snd_ump snd_rawmidi mc mii snd_soc_core intel_uncore snd_compress ac97_bus snd_pcm_dmaengine lenovo_wmi_other processor_thermal_device_pci snd_seq lenovo_wmi_helpers pcspkr lenovo_wmi_capdata01 processor_thermal_device iwlwifi think_lmi processor_thermal_wt_hint
 snd_seq_device platform_temperature_control mei_me firmware_attributes_class wmi_bmof snd_pcm snd_ctl_led processor_thermal_soc_slider e1000e i2c_i801 cfg80211 mei spi_intel_pci processor_thermal_rfim snd_timer idma64 spi_intel i2c_smbus apple_mfi_fastcharge processor_thermal_rapl thinkpad_acpi intel_pmc_core intel_rapl_common platform_profile processor_thermal_wt_req processor_thermal_power_floor rfkill processor_thermal_mbox int3403_thermal snd igen6_edac pmt_telemetry joydev soundcore int340x_thermal_zone pmt_discovery pmt_class intel_hid int3400_thermal intel_pmc_ssram_telemetry acpi_pad acpi_tad acpi_thermal_rel sparse_keymap loop nfnetlink zram lz4hc_compress lz4_compress dm_crypt hid_apple hid_logitech_hidpp xe drm_ttm_helper drm_suballoc_helper gpu_sched drm_gpuvm drm_exec drm_gpusvm_helper i915 ucsi_acpi typec_ucsi typec nvme i2c_algo_bit nvme_core drm_buddy hid_multitouch ttm drm_display_helper nvme_keyring nvme_auth video ghash_clmulni_intel thunderbolt intel_vpu hkdf cec intel_vsec
 i2c_hid_acpi i2c_hid wmi pinctrl_meteorlake serio_raw hid_logitech_dj i2c_dev fuse ecryptfs

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] SMP NOPTI
CPU: 5 UID: 0 PID: 59112 Comm: kworker/5:1 Tainted: G        W           6.19.14-108.fc42.x86_64 #1 PREEMPT(lazy) 
Tainted: [W]=WARN
Hardware name: ASUSTeK COMPUTER INC. Vivobook_ASUSLaptop K5504VA_S5504VA/K5504VA, BIOS K5504VA.301 07/11/2023
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 18 48 89 f8 0f 1f 40 00 48 83 c0 01 80 38 00 75 f7 48
RSP: 0018:ffffd40b8bbd7d68 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00000000820001d2
RDX: ffff8e9e2c0f5500 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffffa0dbdd5e
R10: ffff8e9c82c0e848 R11: fffffc11c40b0380 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: ffff8e9c96b40030
FS:  0000000000000000(0000) GS:ffff8ea05806d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000002f602e005 CR4: 0000000000f72ef0
PKRU: 55555554
Call Trace:
 <TASK>
 kernfs_name_hash+0x12/0x90
 kernfs_find_ns+0x52/0xe0
 kernfs_remove_by_name_ns+0x5a/0xe0
 typec_unregister_partner+0x5a/0x100 [typec]
 ucsi_unregister_partner+0x103/0x140 [typec_ucsi]
 ucsi_handle_connector_change+0x351/0x3e0 [typec_ucsi]
 process_one_work+0x192/0x350
 worker_thread+0x196/0x300
 ? __pfx_worker_thread+0x10/0x10
 kthread+0xfc/0x240
 ? __pfx_kthread+0x10/0x10
 ? __pfx_kthread+0x10/0x10
 ret_from_fork+0x130/0x1a0
 ? __pfx_kthread+0x10/0x10
 ret_from_fork_asm+0x1a/0x30
 </TASK>
Modules linked in: overlay uinput snd_seq_dummy rfcomm 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 nf_tables qrtr bnep sunrpc binfmt_misc snd_soc_skl_hda_dsp snd_soc_intel_sof_board_helpers snd_sof_probes snd_soc_intel_hda_dsp_common vfat fat snd_hda_codec_intelhdmi snd_hda_codec_alc269 snd_hda_scodec_component snd_hda_codec_realtek_lib snd_soc_dmic snd_hda_codec_generic snd_hda_intel hid_logitech_hidpp hid_logitech_dj r8153_ecm cdc_ether usbnet r8152 mii snd_sof_pci_intel_tgl snd_sof_pci_intel_cnl snd_sof_intel_hda_generic soundwire_intel snd_sof_intel_hda_sdw_bpt snd_sof_intel_hda_common snd_soc_hdac_hda snd_sof_intel_hda_mlink snd_sof_intel_hda snd_hda_codec_hdmi soundwire_cadence 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_sdw_utils snd_soc_acpi crc8 soundwire_bus snd_soc_sdca snd_soc_avs snd_soc_hda_codec snd_hda_ext_core snd_hda_codec intel_uncore_frequency snd_hda_core intel_uncore_frequency_common iwlmvm intel_tcc_cooling snd_intel_dspcfg x86_pkg_temp_thermal snd_intel_sdw_acpi intel_powerclamp snd_hwdep coretemp snd_soc_core processor_thermal_device_pci snd_compress mac80211 processor_thermal_device kvm_intel ac97_bus hid_sensor_als uvcvideo snd_ctl_led processor_thermal_wt_hint btusb snd_pcm_dmaengine hid_sensor_trigger platform_temperature_control uvc asus_nb_wmi hid_sensor_iio_common btmtk videobuf2_vmalloc libarc4 processor_thermal_soc_slider snd_seq kvm asus_armoury industrialio_triggered_buffer btrtl videobuf2_memops processor_thermal_rfim snd_seq_device iTCO_wdt kfifo_buf btbcm firmware_attributes_class videobuf2_v4l2 intel_rapl_msr processor_thermal_rapl iwlwifi irqbypass snd_pcm intel_pmc_bxt industrialio btintel mei_hdcp spi_nor asus_wmi videobuf2_common intel_pmc_core intel_rapl_common mei_pxp rapl
 iTCO_vendor_support mtd hid_sensor_hub processor_thermal_wt_req snd_timer sparse_keymap intel_cstate pmt_telemetry videodev cfg80211 bluetooth i2c_i801 mei_me processor_thermal_power_floor spi_intel_pci snd platform_profile intel_uncore pmt_discovery pcspkr mc wmi_bmof int3403_thermal i2c_smbus mei processor_thermal_mbox spi_intel soundcore intel_ishtp_hid igen6_edac rfkill idma64 pmt_class int3400_thermal int340x_thermal_zone acpi_pad intel_pmc_ssram_telemetry acpi_thermal_rel acpi_tad joydev loop nfnetlink zram lz4hc_compress lz4_compress xe drm_ttm_helper drm_suballoc_helper gpu_sched drm_gpuvm drm_exec drm_gpusvm_helper ucsi_acpi typec_ucsi typec i915 nvme nvme_core nvme_keyring nvme_auth hkdf i2c_algo_bit drm_buddy ttm hid_multitouch drm_display_helper intel_ish_ipc i2c_hid_acpi video thunderbolt ghash_clmulni_intel cec intel_ishtp vmd intel_vsec i2c_hid wmi pinctrl_tigerlake serio_raw ntsync i2c_dev fuse
CR2: 0000000000000000