From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 07B0E3C1984 for ; Tue, 5 May 2026 19:01:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778007707; cv=none; b=j0dH/FAXNlzqAjvwrt1KCy32hgQNdVbl1dFzpdn3J4c8kx2o/JM1PHqgtvvksc8/fY7QAWdNSi8+6RtenEthm3v4OD/Gig4HitrQzDb7DKcAkt0JXfpy39995Rm8ulKG8vGE3VO0PzgrbMw3RFzUxYbFK23pqhsifgNPprfdnUY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778007707; c=relaxed/simple; bh=4upy47EsepCS/e7hdmjHfdh10zxoBuDjEf7g0HFMk8w=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: Content-Type:MIME-Version; b=YdLHUSdHC7F7RTnEcLRWAqQ8PNHnhcKF845WHGfurJ9+rJTEnNXFNHtts0azcIsmrMZr5A7VbofY3Yj5Xu9y8J8s3FBxioaq/GEVG3tlaBfNxcOZLeETjQZtZLFhxpwy9Wui53uPo8+8bweStYFziheyTueAdgLs1MXODLSHBWg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=S1bqWkZw; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="S1bqWkZw" Received: by smtp.kernel.org (Postfix) with ESMTPS id 40F9CC2BCC7 for ; Tue, 5 May 2026 19:01:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1778007704; bh=4upy47EsepCS/e7hdmjHfdh10zxoBuDjEf7g0HFMk8w=; h=From:To:Subject:Date:In-Reply-To:References:From; b=S1bqWkZwvQrFcq4pQSqAvZ6Pzw9vVzihHjhZlwUEIxpPgD11yQbSbCbNLrRodnmLD J6wE2vjUF6CSyM9aYOHbY/JoS/xeaj60T/t/vhWsgEkmiivUDR/vmRmMroW02QZ4DC 7Eob05YEro9MZ+Km6ztgY5SVutJOXQeO6VxgdCdqldtWFckJ3nR0VSak7Vw2Ya4TKN 2VsPtGJ4fjN++0hdtfP+jbPUkdVyt3c1cJnW8TbtM5CG+0V5CJdjugiTbrx7ggJQoO 7VrmO/t/m07Jkk1NJPfFcRw7pHjkYPg0KfkDeQREJ5b/Rxqxtflz+evEyuSS2YyWvL Vq1zkLxEFo15A== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id 322E2C53BBF; Tue, 5 May 2026 19:01:44 +0000 (UTC) From: bugzilla-daemon@kernel.org To: linux-usb@vger.kernel.org Subject: [Bug 205841] Lenovo USB-C dock audio NULL pointer Date: Tue, 05 May 2026 19:01:43 +0000 X-Bugzilla-Reason: None X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: AssignedTo drivers_usb@kernel-bugs.kernel.org X-Bugzilla-Product: Drivers X-Bugzilla-Component: USB X-Bugzilla-Version: 2.5 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: pmike2001@mail.ru X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: drivers_usb@kernel-bugs.kernel.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugzilla.kernel.org/ Auto-Submitted: auto-generated Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 https://bugzilla.kernel.org/show_bug.cgi?id=3D205841 Mike (pmike2001@mail.ru) changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |pmike2001@mail.ru --- Comment #13 from Mike (pmike2001@mail.ru) --- Wow, this bug with usb-typec is quite old. I'm getting crashes in `typec_altmode_update_active` on recent kernel 7.0.2 ``` 2026-05-05T21:53:56.654401+03:00 113896057i kernel: ------------[ cut here ]------------ 2026-05-05T21:53:56.654434+03:00 113896057i kernel: WARNING: drivers/usb/typec/class.c:311 at typec_altmode_update_active+0x101/0x110 [typec], CPU#4: kworker/u64:32/1052736 2026-05-05T21:53:56.654438+03:00 113896057i kernel: Modules linked in: btusb cpuid cdc_acm typec_displayport ccm dummy rfcomm snd_seq_dummy snd_hrtimer = uhid cmac algif_hash algif_skcipher af_alg bnep zram 842_decompress 842_compress lz4hc_compress lz4_compress snd_soc_skl_hda_dsp snd_soc_intel_sof_board_hel= pers snd_sof_probes snd_soc_intel_hda_dsp_common snd_hda_codec_intelhdmi snd_hda_codec_hdmi hid_multitouch snd_soc_dmic snd_hda_codec_alc269 snd_hda_codec_realtek_lib snd_hda_intel snd_hda_scodec_component snd_hda_codec_generic 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 soundwire_cadence snd_sof_pci snd_sof_xtensa_dsp snd_sof snd_sof_utils snd_soc_acpi_intel_match snd_ctl_led snd_soc_acpi_intel_sdca_quirks soundwire_generic_allocation snd_soc_sdw_uti= ls snd_soc_acpi soundwire_bus snd_soc_sdca crc8 binfmt_misc snd_soc_avs xt_hashlimit snd_soc_hda_codec xt_conntrack iwlmvm snd_hda_ext_core nf_conntrack 2026-05-05T21:53:56.654442+03:00 113896057i kernel: snd_hda_codec nf_defrag_ipv6 snd_hda_core hid_generic intel_rapl_msr spi_nor nf_defrag_ip= v4 mei_pxp mei_hdcp mac80211 snd_intel_dspcfg xt_tcpudp mtd nft_compat snd_intel_sdw_acpi x_tables snd_hwdep processor_thermal_device_pci libarc4 uvcvideo nf_tables snd_soc_core processor_thermal_device intel_uncore_frequ= ency snd_compress videobuf2_vmalloc intel_uncore_frequency_common processor_thermal_wt_hint ac97_bus uvc platform_temperature_control intel_tcc_cooling snd_pcm_dmaengine videobuf2_memops processor_thermal_soc_slider x86_pkg_temp_thermal videobuf2_v4l2 processor_thermal_rfim intel_powerclamp btmtk snd_pcm videobuf2_common ucsi_acpi processor_thermal_rapl btrtl typec_ucsi iwlwifi intel_rapl_common btbcm videodev thinkpad_acpi snd_seq typec coretemp think_lmi btintel intel_lpss_pci ghash_clmulni_intel processor_thermal_wt_req nls_iso8859_1 r= apl usbhid intel_cstate mc firmware_attributes_class bluetooth wmi_bmof i2c_i801 nvram snd_seq_device processor_thermal_power_floor snd_timer mei_me spi_intel_pci 2026-05-05T21:53:56.654445+03:00 113896057i kernel: platform_profile int3403_thermal intel_lpss processor_thermal_mbox cfg80211 snd spi_intel i2c_smbus i2c_hid_acpi thunderbolt mei idma64 i2c_mux igen6_edac soundcore mei_vsc_hw i2c_hid int340x_thermal_zone soc_button_array hid intel_pmc_core pmt_telemetry pmt_discovery intel_hid pmt_class int3400_thermal intel_pmc_ssram_telemetry acpi_thermal_rel sparse_keymap acpi_pad acpi_tad sch_fq_codel ntsync efi_pstore nfnetlink dmi_sysfs autofs4 dm_crypt xe drm_ttm_helper drm_suballoc_helper gpu_sched drm_gpuvm drm_exec drm_gpusvm_helper i2c_algo_bit drm_buddy ttm nvme drm_display_helper nvme_c= ore video psmouse cec nvme_keyring mac_hid nvme_auth rc_core hkdf intel_vsec wmi pinctrl_tigerlake aesni_intel [last unloaded: btusb] 2026-05-05T21:53:56.654447+03:00 113896057i kernel: CPU: 4 UID: 0 PID: 1052= 736 Comm: kworker/u64:32 Tainted: G U W 7.0.2-070002-generic #202604271502 PREEMPT(lazy)=20 2026-05-05T21:53:56.654449+03:00 113896057i kernel: Tainted: [U]=3DUSER, [W= ]=3DWARN 2026-05-05T21:53:56.654451+03:00 113896057i kernel: Hardware name: LENOVO 21HNS8JH00/21HNS8JH00, BIOS N3XET42W (1.17 ) 08/02/2023 2026-05-05T21:53:56.654454+03:00 113896057i kernel: Workqueue: USBC000:00-c= on1 ucsi_poll_worker [typec_ucsi] 2026-05-05T21:53:56.654476+03:00 113896057i kernel: RIP: 0010:typec_altmode_update_active+0x101/0x110 [typec] 2026-05-05T21:53:56.654478+03:00 113896057i kernel: Code: 4d c8 c4 fc 75 2b= 48 8b 5d f8 c9 31 c0 31 d2 31 c9 31 f6 31 ff c3 cc cc cc cc e8 da 7b d9 f9 8b = 75 e4 84 c0 0f 85 6d ff ff ff <0f> 0b e9 66 ff ff ff e8 13 3e f4 fa 0f 1f 00 9= 0 90 90 90 90 90 90 2026-05-05T21:53:56.654481+03:00 113896057i kernel: RSP: 0018:ffffcd40051ff= d80 EFLAGS: 00010246 2026-05-05T21:53:56.654483+03:00 113896057i kernel: RAX: 0000000000000000 R= BX: ffff8bf663d8ac08 RCX: 0000000000000000 2026-05-05T21:53:56.654571+03:00 113896057i kernel: RDX: 0000000000000000 R= SI: 0000000000000001 RDI: 0000000000000000 2026-05-05T21:53:56.654581+03:00 113896057i kernel: RBP: ffffcd40051ffda0 R= 08: 0000000000000000 R09: 0000000000000000 2026-05-05T21:53:56.654582+03:00 113896057i kernel: R10: 0000000000000000 R= 11: 0000000000000000 R12: ffff8bf6123c0000 2026-05-05T21:53:56.654583+03:00 113896057i kernel: R13: ffff8bf663d8ac08 R= 14: 0000000000000000 R15: ffff8bf7522ebd40 2026-05-05T21:53:56.654584+03:00 113896057i kernel: FS: 0000000000000000(0= 000) GS:ffff8bf992004000(0000) knlGS:0000000000000000 2026-05-05T21:53:56.654590+03:00 113896057i kernel: CS: 0010 DS: 0000 ES: = 0000 CR0: 0000000080050033 2026-05-05T21:53:56.654592+03:00 113896057i kernel: CR2: 000055eabf2a8178 C= R3: 000000011a4ec001 CR4: 0000000000f70ef0 2026-05-05T21:53:56.654592+03:00 113896057i kernel: PKRU: 55555554 2026-05-05T21:53:56.654594+03:00 113896057i kernel: Call Trace: 2026-05-05T21:53:56.654599+03:00 113896057i kernel: 2026-05-05T21:53:56.654610+03:00 113896057i kernel:=20 ucsi_altmode_update_active+0x116/0x1b0 [typec_ucsi] 2026-05-05T21:53:56.654614+03:00 113896057i kernel:=20 ucsi_check_altmodes+0x82/0xc0 [typec_ucsi] 2026-05-05T21:53:56.654615+03:00 113896057i kernel: ? mutex_lock+0x3b/0x50 2026-05-05T21:53:56.654616+03:00 113896057i kernel:=20 ucsi_poll_worker+0x3d/0x130 [typec_ucsi] 2026-05-05T21:53:56.654617+03:00 113896057i kernel:=20 process_one_work+0x1ac/0x3d0 2026-05-05T21:53:56.654618+03:00 113896057i kernel: worker_thread+0x1b8/0x= 360 2026-05-05T21:53:56.654618+03:00 113896057i kernel: ? _raw_spin_lock_irqsave+0xe/0x20 2026-05-05T21:53:56.654619+03:00 113896057i kernel: ? __pfx_worker_thread+0x10/0x10 2026-05-05T21:53:56.654624+03:00 113896057i kernel: kthread+0xf7/0x130 2026-05-05T21:53:56.654625+03:00 113896057i kernel: ? __pfx_kthread+0x10/0= x10 2026-05-05T21:53:56.654626+03:00 113896057i kernel: ret_from_fork+0x195/0x= 2a0 2026-05-05T21:53:56.654627+03:00 113896057i kernel: ? __pfx_kthread+0x10/0= x10 2026-05-05T21:53:56.654627+03:00 113896057i kernel: ? __pfx_kthread+0x10/0= x10 2026-05-05T21:53:56.654632+03:00 113896057i kernel:=20 ret_from_fork_asm+0x1a/0x30 2026-05-05T21:53:56.654639+03:00 113896057i kernel: 2026-05-05T21:53:56.654640+03:00 113896057i kernel: ---[ end trace 0000000000000000 ]--- ``` --=20 You may reply to this email to add a comment. 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