[Bug 215347] btintel: AX200 (8087:0029): hci crashes and can't recover after repeated rfkill on/off

[bugzilla-daemon@bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=215347

--- Comment #8 from Tedd An (tedd.an@intel.com) ---
It seems like kernel oops in the dmesg and it may causes the issue.

[   46.401807] ------------[ cut here ]------------
[   46.401808] kernel BUG at net/core/skbuff.c:113!
[   46.401819] invalid opcode: 0000 [#1] PREEMPT SMP
[   46.401826] CPU: 7 PID: 142 Comm: kworker/u33:0 Not tainted 5.16.0-rc1+ #1
[   46.401831] Hardware name: LENOVO 20U8S0PQ00/20U8S0PQ00, BIOS R19ET36W (1.20
) 07/12/2021
[   46.401835] Workqueue: hci0 hci_rx_work [bluetooth]
[   46.401890] RIP: 0010:skb_panic+0x4c/0x4e
[   46.401899] Code: 4f 70 50 8b 87 bc 00 00 00 50 8b 87 b8 00 00 00 50 ff b7
c8 00 00 00 4c 8b 8f c0 00 00 00 48 c7 c7 e8 00 a7 98 e8 46 11 fb ff <0f> 0b 48
8b 55 08 48 c7 c1 60 b1 71 98 e8 a2 ff ff ff 48 c7 c6 b0
[   46.401903] RSP: 0018:ffffa22980aa3c60 EFLAGS: 00010246
[   46.401908] RAX: 0000000000000088 RBX: 0000000000000000 RCX:
0000000000000000
[   46.401911] RDX: 0000000000000000 RSI: ffffffff989a0551 RDI:
00000000ffffffff
[   46.401914] RBP: ffffa22980aa3c80 R08: 0000000000000000 R09:
ffffa22980aa3a50
[   46.401917] R10: 0000000000000001 R11: 0000000000000001 R12:
00000000000000a5
[   46.401919] R13: 00000000000000a5 R14: ffff9409c4e7c300 R15:
00000000000000aa
[   46.401923] FS:  0000000000000000(0000) GS:ffff940ccefc0000(0000)
knlGS:0000000000000000
[   46.401927] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.401930] CR2: 00007fae7c01b398 CR3: 000000040c20f000 CR4:
0000000000350ee0
[   46.401933] Call Trace:
[   46.401937]  <TASK>
[   46.401942]  skb_put.cold+0x10/0x10
[   46.401947]  mgmt_device_found+0x3c8/0x4c0 [bluetooth]
[   46.402004]  hci_extended_inquiry_result_evt+0x162/0x230 [bluetooth]
[   46.402054]  hci_event_packet+0x2cd/0x4b0 [bluetooth]
[   46.402099]  ? hci_remote_oob_data_request_evt+0x1f0/0x1f0 [bluetooth]
[   46.402144]  hci_rx_work+0x1b2/0x3d0 [bluetooth]
[   46.402190]  ? queue_delayed_work_on+0x3d/0x50
[   46.402198]  process_one_work+0x1ec/0x3c0
[   46.402204]  worker_thread+0x4d/0x3d0
[   46.402210]  kthread+0x17a/0x1a0
[   46.402214]  ? process_one_work+0x3c0/0x3c0
[   46.402218]  ? set_kthread_struct+0x40/0x40
[   46.402223]  ret_from_fork+0x22/0x30
[   46.402232]  </TASK>
[   46.402234] Modules linked in: rfcomm bnep nls_iso8859_1 intel_rapl_msr
intel_rapl_common snd_ctl_led snd_hda_codec_realtek snd_hda_codec_generic
snd_hda_codec_hdmi snd_hda_intel edac_mce_amd snd_intel_dspcfg
snd_intel_sdw_acpi uvcvideo snd_hda_codec videobuf2_vmalloc snd_hda_core
videobuf2_memops btusb snd_hwdep videobuf2_v4l2 btrtl kvm_amd btbcm snd_pcm
input_leds btintel videobuf2_common kvm snd_seq_midi btmtk snd_seq_midi_event
bluetooth videodev snd_rawmidi joydev iwlmvm ecdh_generic think_lmi
thinkpad_acpi mc rapl ecc serio_raw firmware_attributes_class efi_pstore
wmi_bmof snd_seq nvram mac80211 platform_profile libarc4 ledtrig_audio
snd_seq_device iwlwifi snd_timer snd_rn_pci_acp3x ucsi_acpi ipmi_devintf snd
typec_ucsi snd_pci_acp3x cfg80211 k10temp ipmi_msghandler soundcore typec
mac_hid sch_fq_codel msr parport_pc ppdev lp parport sunrpc ip_tables x_tables
autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy
async_pq async_xor async_tx xor raid6_pq
[   46.402343]  libcrc32c raid1 raid0 multipath linear dm_mirror dm_region_hash
dm_log amdgpu iommu_v2 gpu_sched i2c_algo_bit drm_ttm_helper ttm drm_kms_helper
syscopyarea sysfillrect rtsx_pci_sdmmc sysimgblt fb_sys_fops crc32c_intel
psmouse cec rc_core drm xhci_pci i2c_piix4 xhci_pci_renesas nvme rtsx_pci r8169
realtek nvme_core wmi video i2c_scmi
[   46.402425] ---[ end trace e9aa209601e9071e ]---

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