[ 516.813945] BUG: kernel NULL pointer dereference, address: 0000000000000040 [ 516.813958] #PF: supervisor read access in kernel mode [ 516.813963] #PF: error_code(0x0000) - not-present page [ 516.813966] PGD 0 P4D 0 [ 516.813972] Oops: Oops: 0000 [#1] SMP NOPTI [ 516.813980] CPU: 8 UID: 0 PID: 6711 Comm: modprobe Tainted: G U C 7.0.3-1-cachyos #1 PREEMPT ca65a572a601df66b8f4abb33552edd84ad0d90c [ 516.813990] Tainted: [U]=USER, [C]=CRAP [ 516.813992] Hardware name: Dell Inc. XPS 14 DA14260/0VRKYR, BIOS 1.3.1 02/12/2026 [ 516.813996] RIP: 0010:device_del+0x27/0x3c0 [ 516.814007] Code: 90 90 90 f3 0f 1e fa 0f 1f 44 00 00 55 41 57 41 56 41 55 41 54 53 48 83 ec 20 49 89 fe 65 48 8b 05 66 9c 34 02 48 89 44 24 18 <4c> 8b 6f 40 4c 8d bf 90 00 00 00 4c 89 ff e8 d6 24 58 00 49 8b 46 [ 516.814011] RSP: 0018:ffffce9a290476f8 EFLAGS: 00010282 [ 516.814016] RAX: 2f1da11d95413b00 RBX: ffff8be3ce5c1000 RCX: 2f1da11d95413b00 [ 516.814019] RDX: 000fffffffe00010 RSI: 0000000000000000 RDI: 0000000000000000 [ 516.814022] RBP: 000000000000007a R08: 000000000000002e R09: 0000000000000010 [ 516.814025] R10: 0000000000000008 R11: ffffffffc1cfd310 R12: 0000000000000000 [ 516.814027] R13: ffffffff83b5c52f R14: 0000000000000000 R15: ffff8be3ce5c1638 [ 516.814030] FS: 00007f8ba2e4d780(0000) GS:ffff8beb5b09e000(0000) knlGS:0000000000000000 [ 516.814033] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 516.814036] CR2: 0000000000000040 CR3: 00000002f2c31006 CR4: 0000000100f72ef0 [ 516.814039] PKRU: 55555554 [ 516.814041] Call Trace: [ 516.814045] [ 516.814058] sdca_dev_unregister_functions+0x3b/0x70 [snd_soc_sdca e7d8998f086fc5ac9c1a2505e90b7eba082a442c] [ 516.814082] devres_release_all+0xc3/0x160 [ 516.814095] device_release_driver_internal+0x212/0x320 [ 516.814101] bus_remove_device+0x10c/0x190 [ 516.814109] ? device_remove_attrs+0xbe/0x100 [ 516.814114] device_del+0x262/0x3c0 [ 516.814118] ? mntput_no_expire_slowpath+0x75/0x220 [ 516.814126] device_unregister+0x17/0x70 [ 516.814132] sdw_delete_slave+0xb2/0xd0 [soundwire_bus f73050d05d3ab43e82f751baf1e0eec95915ba1b] [ 516.814158] ? __pfx_sdw_delete_slave+0x10/0x10 [soundwire_bus f73050d05d3ab43e82f751baf1e0eec95915ba1b] [ 516.814178] device_for_each_child+0x7a/0xb0 [ 516.814183] sdw_bus_master_delete+0x1e/0x60 [soundwire_bus f73050d05d3ab43e82f751baf1e0eec95915ba1b] [ 516.814203] device_release_driver_internal+0x1c2/0x320 [ 516.814208] bus_remove_device+0x10c/0x190 [ 516.814211] ? device_remove_attrs+0xad/0x100 [ 516.814215] device_del+0x262/0x3c0 [ 516.814221] sdw_intel_exit+0x88/0x110 [soundwire_intel 4f39aaa92dde1d7d35dfb4ae34c8e7d56301918a] [ 516.814239] hda_dsp_remove+0x7e/0x1b0 [snd_sof_intel_hda_generic ab59435e52355bbec50366ba2ee60048450b7222] [ 516.814249] snd_sof_device_remove+0xe5/0x170 [snd_sof 56f27a00347eb0dfafd21ad4f98555c0e06974df] [ 516.814315] sof_pci_remove+0x1e/0x50 [snd_sof_pci c1df61a71db4eb00085a45b43f0796075af0c12f] [ 516.814320] pci_device_remove.llvm.14558790169041358247+0x45/0xc0 [ 516.814328] device_release_driver_internal+0x1c2/0x320 [ 516.814333] driver_detach+0x8f/0xd0 [ 516.814337] bus_remove_driver+0x8c/0x100 [ 516.814341] pci_unregister_driver+0x1e/0xa0 [ 516.814346] __se_sys_delete_module+0x2c2/0x480 [ 516.814352] ? kernfs_fop_open.llvm.7913487363939085125+0x12c/0x360 [ 516.814360] do_syscall_64+0x6d/0xa90 [ 516.814366] ? __x64_sys_read+0x246/0x3e0 [ 516.814375] ? do_pte_missing+0x57a/0xe90 [ 516.814380] ? handle_mm_fault+0x2e7/0x700 [ 516.814386] ? do_user_addr_fault+0x26c/0x450 [ 516.814391] ? irqentry_exit+0x58/0x740 [ 516.814395] asm_fred_entrypoint_user+0x41/0x41 [ 516.814402] RIP: 0033:0x7f8ba254b15b [ 516.814505] Code: 73 01 c3 48 8b 0d cd db 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 b0 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 9d db 0f 00 f7 d8 64 89 01 48 [ 516.814509] RSP: 002b:00007fffab0fb268 EFLAGS: 00000206 ORIG_RAX: 00000000000000b0 [ 516.814514] RAX: ffffffffffffffda RBX: 00005647ffb64d80 RCX: 0000000000000000 [ 516.814516] RDX: 0000000000000000 RSI: 0000000000000800 RDI: 00005647ffb64de0 [ 516.814519] RBP: 00007fffab0fb290 R08: 0000000000000000 R09: 0000000000000000 [ 516.814521] R10: 0000000000000000 R11: 00007f8ba2e4d780 R12: 0000000000000000 [ 516.814523] R13: 00007fffab0fb2c0 R14: 0000000000000000 R15: 0000000000000000 [ 516.814526] [ 516.814528] Modules linked in: snd_seq_dummy rfcomm snd_hrtimer snd_seq snd_seq_device wireguard libcurve25519 ip6_udp_tunnel udp_tunnel hid_sensor_custom_intel_hinge hid_sensor_als hid_sensor_prox hid_sensor_trigger kfifo_buf hid_sensor_iio_common industrialio hid_sensor_custom hid_sensor_hub intel_ishtp_hid ccm algif_aead des3_ede_x86_64 des_generic libdes md4 cmac algif_hash algif_skcipher af_alg snd_soc_sof_sdw snd_soc_intel_hda_dsp_common snd_sof_probes snd_soc_cs35l56_sdw snd_soc_cs35l56 snd_soc_cs35l56_shared bnep snd_soc_cs_amp_lib snd_soc_wm_adsp snd_hda_codec_intelhdmi snd_soc_sdca_class snd_hda_codec_hdmi cs_dsp regmap_sdw snd_soc_dmic snd_hda_intel snd_sof_pci_intel_ptl(-) snd_sof_pci_intel_lnl 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 snd_sof_intel_hda_mlink soundwire_cadence snd_sof_pci snd_sof_xtensa_dsp snd_sof snd_sof_utils snd_hda_ext_core snd_hda_codec snd_hda_core snd_soc_acpi_intel_match [ 516.814584] intel_uncore_frequency snd_soc_acpi_intel_sdca_quirks intel_uncore_frequency_common snd_intel_dspcfg snd_intel_sdw_acpi soundwire_generic_allocation snd_soc_sdw_utils snd_soc_acpi snd_hwdep x86_pkg_temp_thermal intel_powerclamp iwlmld soundwire_bus coretemp snd_soc_sdca mac80211 snd_soc_core kvm_intel ptp pps_core ac97_bus cdc_mbim snd_pcm_dmaengine libarc4 cdc_wdm snd_compress cdc_ncm kvm cdc_ether intel_ipu7_isys(C) processor_thermal_device_pci snd_pcm usbnet snd_ctl_led processor_thermal_device dell_pc videobuf2_dma_sg processor_thermal_power_floor snd_timer r8152 irqbypass iTCO_wdt ucsi_acpi videobuf2_memops processor_thermal_wt_hint mei_gsc_proxy btintel_pcie iwlwifi snd intel_pmc_bxt typec_ucsi btintel intel_cstate vfat processor_thermal_wt_req mii videobuf2_v4l2 dell_laptop fat gpio_usbio i2c_usbio videobuf2_common intel_rapl_msr dell_wmi intel_uncore cfg80211 i2c_i801 dell_smbios roles bluetooth soundcore psmouse dell_wmi_ddv processor_thermal_rfim intel_ish_ipc pcspkr i2c_smbus mei_me libphy [ 516.814653] ov08x40 typec spi_nor dcdbas dell_smm_hwmon dell_wmi_sysman firmware_attributes_class mdio_bus dell_wmi_descriptor wmi_bmof intel_skl_int3472_tps68470 cdc_acm mtd crc8 usbio i2c_mux mei rfkill intel_ishtp thunderbolt v4l2_fwnode processor_thermal_mbox i2c_hid_acpi intel_pmc_core tps68470_regulator clk_tps68470 v4l2_async i2c_hid platform_temperature_control joydev mousedev intel_pmc_ssram_telemetry int3403_thermal processor_thermal_rapl videodev pmt_telemetry intel_rapl_common processor_thermal_soc_slider pmt_discovery intel_hid int3400_thermal intel_skl_int3472_discrete acpi_tad mc acpi_thermal_rel platform_profile sparse_keymap pmt_class intel_ipu7(C) acpi_pad intel_skl_int3472_common pinctrl_intel_platform intel_vpu int340x_thermal_zone ipu_bridge igen6_edac mac_hid i2c_dev crypto_user pkcs8_key_parser nfnetlink dm_crypt encrypted_keys trusted tee asn1_encoder hid_multitouch dm_mod xe drm_buddy drm_suballoc_helper gpu_sched nvme drm_ttm_helper ttm nvme_core drm_gpuvm drm_exec drm_gpusvm_helper [ 516.814723] nvme_keyring ghash_clmulni_intel i2c_algo_bit aesni_intel video nvme_auth spi_intel_pci hkdf intel_lpss_pci spi_intel intel_lpss drm_display_helper wmi idma64 intel_vsec serio_raw cec [ 516.814744] CR2: 0000000000000040 [ 516.814747] ---[ end trace 0000000000000000 ]--- [ 516.814752] RIP: 0010:device_del+0x27/0x3c0 [ 516.814757] Code: 90 90 90 f3 0f 1e fa 0f 1f 44 00 00 55 41 57 41 56 41 55 41 54 53 48 83 ec 20 49 89 fe 65 48 8b 05 66 9c 34 02 48 89 44 24 18 <4c> 8b 6f 40 4c 8d bf 90 00 00 00 4c 89 ff e8 d6 24 58 00 49 8b 46 [ 516.814760] RSP: 0018:ffffce9a290476f8 EFLAGS: 00010282 [ 516.814763] RAX: 2f1da11d95413b00 RBX: ffff8be3ce5c1000 RCX: 2f1da11d95413b00 [ 516.814765] RDX: 000fffffffe00010 RSI: 0000000000000000 RDI: 0000000000000000 [ 516.814767] RBP: 000000000000007a R08: 000000000000002e R09: 0000000000000010 [ 516.814769] R10: 0000000000000008 R11: ffffffffc1cfd310 R12: 0000000000000000 [ 516.814771] R13: ffffffff83b5c52f R14: 0000000000000000 R15: ffff8be3ce5c1638 [ 516.814773] FS: 00007f8ba2e4d780(0000) GS:ffff8beb5b09e000(0000) knlGS:0000000000000000 [ 516.814775] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 516.814777] CR2: 0000000000000040 CR3: 00000002f2c31006 CR4: 0000000100f72ef0 [ 516.814780] PKRU: 55555554 [ 516.814782] note: modprobe[6711] exited with irqs disabled