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 [thread overview]
Message-ID: <bug-205841-208809-xbz3jLwKDA@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-205841-208809@https.bugzilla.kernel.org/>
https://bugzilla.kernel.org/show_bug.cgi?id=205841
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_helpers
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_utils
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_ipv4
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_frequency
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 rapl
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_core
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: 1052736
Comm: kworker/u64:32 Tainted: G U W 7.0.2-070002-generic
#202604271502 PREEMPT(lazy)
2026-05-05T21:53:56.654449+03:00 113896057i kernel: Tainted: [U]=USER, [W]=WARN
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-con1
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 90 90
90 90 90 90 90
2026-05-05T21:53:56.654481+03:00 113896057i kernel: RSP: 0018:ffffcd40051ffd80
EFLAGS: 00010246
2026-05-05T21:53:56.654483+03:00 113896057i kernel: RAX: 0000000000000000 RBX:
ffff8bf663d8ac08 RCX: 0000000000000000
2026-05-05T21:53:56.654571+03:00 113896057i kernel: RDX: 0000000000000000 RSI:
0000000000000001 RDI: 0000000000000000
2026-05-05T21:53:56.654581+03:00 113896057i kernel: RBP: ffffcd40051ffda0 R08:
0000000000000000 R09: 0000000000000000
2026-05-05T21:53:56.654582+03:00 113896057i kernel: R10: 0000000000000000 R11:
0000000000000000 R12: ffff8bf6123c0000
2026-05-05T21:53:56.654583+03:00 113896057i kernel: R13: ffff8bf663d8ac08 R14:
0000000000000000 R15: ffff8bf7522ebd40
2026-05-05T21:53:56.654584+03:00 113896057i kernel: FS: 0000000000000000(0000)
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 CR3:
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: <TASK>
2026-05-05T21:53:56.654610+03:00 113896057i kernel:
ucsi_altmode_update_active+0x116/0x1b0 [typec_ucsi]
2026-05-05T21:53:56.654614+03:00 113896057i kernel:
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:
ucsi_poll_worker+0x3d/0x130 [typec_ucsi]
2026-05-05T21:53:56.654617+03:00 113896057i kernel:
process_one_work+0x1ac/0x3d0
2026-05-05T21:53:56.654618+03:00 113896057i kernel: worker_thread+0x1b8/0x360
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+0x10/0x10
2026-05-05T21:53:56.654626+03:00 113896057i kernel: ret_from_fork+0x195/0x2a0
2026-05-05T21:53:56.654627+03:00 113896057i kernel: ? __pfx_kthread+0x10/0x10
2026-05-05T21:53:56.654627+03:00 113896057i kernel: ? __pfx_kthread+0x10/0x10
2026-05-05T21:53:56.654632+03:00 113896057i kernel:
ret_from_fork_asm+0x1a/0x30
2026-05-05T21:53:56.654639+03:00 113896057i kernel: </TASK>
2026-05-05T21:53:56.654640+03:00 113896057i kernel: ---[ end trace
0000000000000000 ]---
```
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next prev parent reply other threads:[~2026-05-05 19:01 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-12 7:19 [Bug 205841] New: Lenovo USB-C dock audio NULL pointer bugzilla-daemon
2019-12-12 7:20 ` [Bug 205841] " bugzilla-daemon
2019-12-12 7:34 ` bugzilla-daemon
2019-12-12 7:37 ` bugzilla-daemon
2019-12-12 8:23 ` bugzilla-daemon
2019-12-12 8:48 ` bugzilla-daemon
2019-12-12 8:58 ` bugzilla-daemon
2019-12-12 8:59 ` bugzilla-daemon
2019-12-27 10:01 ` bugzilla-daemon
2019-12-27 10:56 ` bugzilla-daemon
2020-04-14 19:56 ` bugzilla-daemon
2020-04-15 13:56 ` bugzilla-daemon
2020-04-15 14:08 ` bugzilla-daemon
2026-05-05 19:01 ` bugzilla-daemon [this message]
2026-05-06 9:33 ` bugzilla-daemon
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