linux/net/bluetooth
Luiz Augusto von Dentz a49894a5ac Bluetooth: Fix crash when replugging CSR fake controllers
commit b5ca338751 upstream.

It seems fake CSR 5.0 clones can cause the suspend notifier to be
registered twice causing the following kernel panic:

[   71.986122] Call Trace:
[   71.986124]  <TASK>
[   71.986125]  blocking_notifier_chain_register+0x33/0x60
[   71.986130]  hci_register_dev+0x316/0x3d0 [bluetooth 99b5497ea3d09708fa1366c1dc03288bf3cca8da]
[   71.986154]  btusb_probe+0x979/0xd85 [btusb e1e0605a4f4c01984a4b9c8ac58c3666ae287477]
[   71.986159]  ? __pm_runtime_set_status+0x1a9/0x300
[   71.986162]  ? ktime_get_mono_fast_ns+0x3e/0x90
[   71.986167]  usb_probe_interface+0xe3/0x2b0
[   71.986171]  really_probe+0xdb/0x380
[   71.986174]  ? pm_runtime_barrier+0x54/0x90
[   71.986177]  __driver_probe_device+0x78/0x170
[   71.986180]  driver_probe_device+0x1f/0x90
[   71.986183]  __device_attach_driver+0x89/0x110
[   71.986186]  ? driver_allows_async_probing+0x70/0x70
[   71.986189]  bus_for_each_drv+0x8c/0xe0
[   71.986192]  __device_attach+0xb2/0x1e0
[   71.986195]  bus_probe_device+0x92/0xb0
[   71.986198]  device_add+0x422/0x9a0
[   71.986201]  ? sysfs_merge_group+0xd4/0x110
[   71.986205]  usb_set_configuration+0x57a/0x820
[   71.986208]  usb_generic_driver_probe+0x4f/0x70
[   71.986211]  usb_probe_device+0x3a/0x110
[   71.986213]  really_probe+0xdb/0x380
[   71.986216]  ? pm_runtime_barrier+0x54/0x90
[   71.986219]  __driver_probe_device+0x78/0x170
[   71.986221]  driver_probe_device+0x1f/0x90
[   71.986224]  __device_attach_driver+0x89/0x110
[   71.986227]  ? driver_allows_async_probing+0x70/0x70
[   71.986230]  bus_for_each_drv+0x8c/0xe0
[   71.986232]  __device_attach+0xb2/0x1e0
[   71.986235]  bus_probe_device+0x92/0xb0
[   71.986237]  device_add+0x422/0x9a0
[   71.986239]  ? _dev_info+0x7d/0x98
[   71.986242]  ? blake2s_update+0x4c/0xc0
[   71.986246]  usb_new_device.cold+0x148/0x36d
[   71.986250]  hub_event+0xa8a/0x1910
[   71.986255]  process_one_work+0x1c4/0x380
[   71.986259]  worker_thread+0x51/0x390
[   71.986262]  ? rescuer_thread+0x3b0/0x3b0
[   71.986264]  kthread+0xdb/0x110
[   71.986266]  ? kthread_complete_and_exit+0x20/0x20
[   71.986268]  ret_from_fork+0x1f/0x30
[   71.986273]  </TASK>
[   71.986274] ---[ end trace 0000000000000000 ]---
[   71.986284] btusb: probe of 2-1.6:1.0 failed with error -17

Link: https://bugzilla.kernel.org/show_bug.cgi?id=216683
Cc: stable@vger.kernel.org
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Tested-by: Leonardo Eugênio <lelgenio@disroot.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-12-14 11:37:20 +01:00
..
bnep Bluetooth: bnep: Use the correct print format 2021-06-26 07:12:40 +02:00
cmtp Bluetooth: cmtp: fix possible panic when cmtp_init_sockets() fails 2022-01-27 11:03:03 +01:00
hidp Bluetooth: hidp: Use the correct print format 2021-06-26 07:12:40 +02:00
rfcomm Bluetooth: RFCOMM: Fix possible deadlock on socket shutdown/release 2022-10-26 12:34:44 +02:00
6lowpan.c Bluetooth: 6lowpan: Use the correct print format 2021-06-26 07:12:41 +02:00
a2mp.c Bluetooth: a2mp: Use the correct print format 2021-06-26 07:12:41 +02:00
a2mp.h Bluetooth: Replace zero-length array with flexible-array member 2020-02-28 08:30:02 +01:00
af_bluetooth.c Bluetooth: fix indentation and alignment reported by checkpatch 2021-01-29 16:51:45 +01:00
amp.c Bluetooth: amp: Use the correct print format 2021-06-26 07:12:41 +02:00
amp.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 284 2019-06-05 17:36:37 +02:00
aosp.c Bluetooth: Add support for reading AOSP vendor capabilities 2021-04-06 14:11:23 -07:00
aosp.h Bluetooth: Add support for reading AOSP vendor capabilities 2021-04-06 14:11:23 -07:00
ecdh_helper.c crypto: ecdh - move curve_id of ECDH from the key to algorithm name 2021-03-13 00:04:03 +11:00
ecdh_helper.h Fix misc new gcc warnings 2021-04-27 17:05:53 -07:00
hci_conn.c Bluetooth: call hci_le_conn_failed with hdev lock in hci_le_conn_failed 2022-04-08 14:23:41 +02:00
hci_core.c Bluetooth: Fix crash when replugging CSR fake controllers 2022-12-14 11:37:20 +01:00
hci_debugfs.c Bluetooth: use inclusive language when filtering devices 2021-06-26 07:12:44 +02:00
hci_debugfs.h
hci_event.c Bluetooth: protect le accept and resolv lists with hdev->lock 2022-07-12 16:35:07 +02:00
hci_request.c Bluetooth: use hdev lock in activate_scan for hci_is_adv_monitoring 2022-06-09 10:22:58 +02:00
hci_request.h Bluetooth: Resume advertising after LE connection 2020-11-09 13:33:19 +01:00
hci_sock.c Bluetooth: defer cleanup of resources in hci_unregister_dev() 2021-08-05 12:15:24 -07:00
hci_sysfs.c Bluetooth: hci_sysfs: Fix attempting to call device_add multiple times 2022-10-26 12:35:36 +02:00
Kconfig Bluetooth: Add support for reading AOSP vendor capabilities 2021-04-06 14:11:23 -07:00
l2cap_core.c Bluetooth: L2CAP: Fix l2cap_global_chan_by_psm 2022-11-26 09:24:32 +01:00
l2cap_sock.c Bluetooth: L2CAP: uninitialized variables in l2cap_sock_setsockopt() 2022-01-27 11:03:58 +01:00
leds.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
leds.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
lib.c Bluetooth: Introduce debug feature when dynamic debug is disabled 2020-05-11 12:16:27 +02:00
Makefile Bluetooth: Add support for reading AOSP vendor capabilities 2021-04-06 14:11:23 -07:00
mgmt_config.c Bluetooth: mgmt: Use the correct print format 2021-06-26 07:12:42 +02:00
mgmt_config.h Bluetooth: mgmt: Add commands for runtime configuration 2020-06-18 13:11:03 +03:00
mgmt_util.c
mgmt_util.h
mgmt.c Bluetooth: MGMT: Use hci_dev_test_and_{set,clear}_flag 2022-01-27 11:03:31 +01:00
msft.c Bluetooth: msft: Use the correct print format 2021-06-26 07:12:42 +02:00
msft.h Bluetooth: Allow Microsoft extension to indicate curve validation 2021-04-08 12:26:34 +02:00
sco.c Bluetooth: SCO: Fix sco_send_frame returning skb->len 2022-07-29 17:25:30 +02:00
selftest.c crypto: ecdh - move curve_id of ECDH from the key to algorithm name 2021-03-13 00:04:03 +11:00
selftest.h
smp.c Bluetooth: use inclusive language in HCI role comments 2021-06-26 07:12:43 +02:00
smp.h Bluetooth: use inclusive language in SMP 2021-06-26 07:12:37 +02:00