- 06 Apr, 2021 5 commits
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Sathish Narasimman authored
allow RPA to add bd address to whitelist Signed-off-by:
Sathish Narasimman <sathish.narasimman@intel.com> Signed-off-by:
Marcel Holtmann <marcel@holtmann.org>
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Sathish Narasimman authored
own_address_type has to changed to 0x02 and 0x03 only when HCI_ENABLE_LL_PRIVACY flag is set. Signed-off-by:
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Daniel Winkler authored
We set hdev->cur_adv_instance in the adv param MGMT request to allow the callback to the hci param request to set the tx power to the correct instance. Now that the callbacks use the advertising handle from the hci request (as they should), this workaround is no longer necessary. Furthermore, this change resolves a race condition that is more prevalent when using the extended advertising MGMT calls - if hdev->cur_adv_instance is set in the params request, then when the data request is called, we believe our new instance is already active. This treats it as an update and immediately schedules the instance with the controller, which has a potential race with the software rotation adv update. By not setting hdev->cur_adv_instance too early, the new instance is queued as it should be, to be used when the rotation comes around again. This change is tested on harrison peak to confirm that it resolves the race condition on registration, and that there is no regression in single- and multi-advertising automated tests. Reviewed-by:
Miao-chen Chou <mcchou@chromium.org> Signed-off-by:
Daniel Winkler <danielwinkler@google.com> Signed-off-by:
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Daniel Winkler authored
Some extended advertising hci command complete events are still using hdev->cur_adv_instance to map the request to the correct advertisement handle. However, with extended advertising, "current instance" doesn't make sense as we can have multiple concurrent advertisements. This change switches these command complete handlers to use the advertising handle from the request/event, to ensure we will always use the correct advertising handle regardless of the state of hdev->cur_adv_instance. This change is tested on hatch and kefka chromebooks and run through single- and multi-advertising automated tests to confirm callbacks report tx power to the correct advertising handle, etc. Reviewed-by:
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Kai Ye authored
Use the correct print format. Printing an unsigned int value should use %u instead of %d. For details, please read document: Documentation/core-api/printk-formats.rst Signed-off-by:
Kai Ye <yekai13@huawei.com> Signed-off-by:
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- 02 Apr, 2021 5 commits
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mark-yw.chen authored
Adding support LE scatternet and WBS for Mediatek Chip Signed-off-by:
mark-yw.chen <mark-yw.chen@mediatek.com> Signed-off-by:
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Luiz Augusto von Dentz authored
This fixes kbuild findings: smatch warnings: net/bluetooth/smp.c:1633 smp_user_confirm_reply() warn: variable dereferenced before check 'conn' (see line 1631) Signed-off-by:
Luiz Augusto von Dentz <luiz.von.dentz@intel.com> Reported-by:
kernel test robot <lkp@intel.com> Reported-by:
Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by:
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Archie Pusaka authored
There is a possibility where HCI_INQUIRY flag is set but we still send HCI_OP_INQUIRY anyway. Such a case can be reproduced by connecting to an LE device while active scanning. When the device is discovered, we initiate a connection, stop LE Scan, and send Discovery MGMT with status disabled, but we don't cancel the inquiry. Signed-off-by:
Archie Pusaka <apusaka@chromium.org> Reviewed-by:
Sonny Sasaka <sonnysasaka@chromium.org> Signed-off-by:
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Meng Yu authored
1. Add space when needed; 2. Block comments style fix; 3. Move open brace '{' following function definitions to the next line; 4. Remove unnecessary braces '{}' for single statement blocks. Signed-off-by:Meng Yu <yumeng18@huawei.com> Signed-off-by:
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Meng Yu authored
void function return statements are not generally useful. Signed-off-by:
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- 26 Mar, 2021 5 commits
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Marcel Holtmann authored
Increment the mgmt revision due to recent changes. Signed-off-by:
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Marcel Holtmann authored
The list of trusted events should contain the advertisement monitor events and not the untrusted one, so move entries to the correct list. Signed-off-by:
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Marcel Holtmann authored
The list of supported mgmt commands for PHY configuration is missing, so just add them. Signed-off-by:
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Marcel Holtmann authored
The read advertising features error handling returns false the opcode for the set advertising command. Signed-off-by:
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Marcel Holtmann authored
The return error when trying to change the setting when a controller is powered up, shall be MGMT_STATUS_REJECTED. However instead now the error MGMT_STATUS_NOT_POWERED is used which is exactly the opposite. Signed-off-by:
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- 25 Mar, 2021 10 commits
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Bhaskar Chowdhury authored
s/minium/minimum/ s/procdure/procedure/ Signed-off-by:
Bhaskar Chowdhury <unixbhaskar@gmail.com> Acked-by:
Randy Dunlap <rdunlap@infradead.org> Signed-off-by:
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Lokendra Singh authored
This skips parsing the firmware version information from the firmware file while controller is in bootloader mode. As in bootloader mode, we are supposed to patch unconditionally. Signed-off-by:
Lokendra Singh <lokendra.singh@intel.com> Signed-off-by:
Tedd Ho-Jeong An <tedd.an@intel.com> Signed-off-by:
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Lokendra Singh authored
In Operational firmware mode, 'Minimum FW version' TLV ID is not available. So, we cannot fetch already running firmware info for comparison against another build. However, It can be collected using a combination of other TLV ID's information. Signed-off-by:
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Lokendra Singh authored
This moves limited_cce and sbe_type checks under bootloader during tlv parsing as operational firmware don't have access to these values. Any attempt to read such values in operational firmware will only fetch garbage data. Signed-off-by:
Kiran K <kiran.k@intel.com> Signed-off-by:
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Luiz Augusto von Dentz authored
This moves duplicated code for waiting firmware download completion to a function that can be reused. Signed-off-by:
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Luiz Augusto von Dentz authored
This moves duplicated code for waiting firmware download completion to a function that can be reused. Signed-off-by:
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Luiz Augusto von Dentz authored
This moves version checks of intel_version() to btintel_version_info(). Signed-off-by:
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Luiz Augusto von Dentz authored
This moves version checks of intel_version_tlv() to btintel_version_info_tlv(). Signed-off-by:
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Luiz Augusto von Dentz authored
In order to allow new firmware to load, it first needs to check if the firmware version on file matches the one loaded if it doesn't, then it needs to revert to bootloader mode in order to load the new firmware. Signed-off-by:
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Luiz Augusto von Dentz authored
This checks the firmware build number, week and year against the repective loaded version. If details are a match, skip the download process. Signed-off-by:
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- 24 Mar, 2021 1 commit
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Meng Yu authored
Macros should not use a trailing semicolon. Signed-off-by:
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- 23 Mar, 2021 2 commits
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Meng Yu authored
remove trailing semicolon in macros and coding style fix. Signed-off-by:
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Archie Pusaka authored
There is a possibility of receiving a zapped sock on l2cap_sock_connect(). This could lead to interesting crashes, one such case is tearing down an already tore l2cap_sock as is happened with this call trace: __dump_stack lib/dump_stack.c:15 [inline] dump_stack+0xc4/0x118 lib/dump_stack.c:56 register_lock_class kernel/locking/lockdep.c:792 [inline] register_lock_class+0x239/0x6f6 kernel/locking/lockdep.c:742 __lock_acquire+0x209/0x1e27 kernel/locking/lockdep.c:3105 lock_acquire+0x29c/0x2fb kernel/locking/lockdep.c:3599 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:137 [inline] _raw_spin_lock_bh+0x38/0x47 kernel/locking/spinlock.c:175 spin_lock_bh include/linux/spinlock.h:307 [inline] lock_sock_nested+0x44/0xfa net/core/sock.c:2518 l2cap_sock_teardown_cb+0x88/0x2fb net/bluetooth/l2cap_sock.c:1345 l2cap_chan_del+0xa3/0x383 net/bluetooth/l2cap_core.c:598 l2cap_chan_close+0x537/0x5dd net/bluetooth/l2cap_core.c:756 l2cap_chan_timeout+0x104/0x17e net/bluetooth/l2cap_core.c:429 process_one_work+0x7e3/0xcb0 kernel/workqueue.c:2064 worker_thread+0x5a5/0x773 kernel/workqueue.c:2196 kthread+0x291/0x2a6 kernel/kthread.c:211 ret_from_fork+0x4e/0x80 arch/x86/entry/entry_64.S:604 Signed-off-by:
Alain Michaud <alainm@chromium.org> Reviewed-by:
Abhishek Pandit-Subedi <abhishekpandit@chromium.org> Reviewed-by:
Guenter Roeck <groeck@chromium.org> Signed-off-by:
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- 22 Mar, 2021 5 commits
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Arnd Bergmann authored
gcc-11 points out that the declaration does not match the definition: net/bluetooth/ecdh_helper.c:122:55: error: argument 2 of type ‘const u8[32]’ {aka ‘const unsigned char[32]’} with mismatched bound [-Werror=array-parameter=] 122 | int set_ecdh_privkey(struct crypto_kpp *tfm, const u8 private_key[32]) | ~~~~~~~~~^~~~~~~~~~~~~~~ In file included from net/bluetooth/ecdh_helper.c:23: net/bluetooth/ecdh_helper.h:28:56: note: previously declared as ‘const u8 *’ {aka ‘const unsigned char *’} 28 | int set_ecdh_privkey(struct crypto_kpp *tfm, const u8 *private_key); | ~~~~~~~~~~^~~~~~~~~~~ Change the declaration to contain the size of the array, rather than just a pointer. Signed-off-by:Arnd Bergmann <arnd@arndb.de> Signed-off-by:
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Tetsuo Handa authored
syzbot is hitting "INFO: trying to register non-static key." message [1], for "struct l2cap_chan"->tx_q.lock spinlock is not yet initialized when l2cap_chan_del() is called due to e.g. timeout. Since "struct l2cap_chan"->lock mutex is initialized at l2cap_chan_create() immediately after "struct l2cap_chan" is allocated using kzalloc(), let's as well initialize "struct l2cap_chan"->{tx_q,srej_q}.lock spinlocks there. [1] https://syzkaller.appspot.com/bug?extid=fadfba6a911f6bf71842Reported-and-tested-by:syzbot <syzbot+fadfba6a911f6bf71842@syzkaller.appspotmail.com> Signed-off-by:
Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by:
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Bhaskar Chowdhury authored
s/packat/packet/ Signed-off-by:
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Archie Pusaka authored
hci_chan can be created in 2 places: hci_loglink_complete_evt() if it is an AMP hci_chan, or l2cap_conn_add() otherwise. In theory, Only AMP hci_chan should be removed by a call to hci_disconn_loglink_complete_evt(). However, the controller might mess up, call that function, and destroy an hci_chan which is not initiated by hci_loglink_complete_evt(). This patch adds a verification that the destroyed hci_chan must have been init'd by hci_loglink_complete_evt(). Example crash call trace: Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0xe3/0x144 lib/dump_stack.c:118 print_address_description+0x67/0x22a mm/kasan/report.c:256 kasan_report_error mm/kasan/report.c:354 [inline] kasan_report mm/kasan/report.c:412 [inline] kasan_report+0x251/0x28f mm/kasan/report.c:396 hci_send_acl+0x3b/0x56e net/bluetooth/hci_core.c:4072 l2cap_send_cmd+0x5af/0x5c2 net/bluetooth/l2cap_core.c:877 l2cap_send_move_chan_cfm_icid+0x8e/0xb1 net/bluetooth/l2cap_core.c:4661 l2cap_move_fail net/bluetooth/l2cap_core.c:5146 [inline] l2cap_move_channel_rsp net/bluetooth/l2cap_core.c:5185 [inline] l2cap_bredr_sig_cmd net/bluetooth/l2cap_core.c:5464 [inline] l2cap_sig_channel net/bluetooth/l2cap_core.c:5799 [inline] l2cap_recv_frame+0x1d12/0x51aa net/bluetooth/l2cap_core.c:7023 l2cap_recv_acldata+0x2ea/0x693 net/bluetooth/l2cap_core.c:7596 hci_acldata_packet net/bluetooth/hci_core.c:4606 [inline] hci_rx_work+0x2bd/0x45e net/bluetooth/hci_core.c:4796 process_one_work+0x6f8/0xb50 kernel/workqueue.c:2175 worker_thread+0x4fc/0x670 kernel/workqueue.c:2321 kthread+0x2f0/0x304 kernel/kthread.c:253 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:415 Allocated by task 38: set_track mm/kasan/kasan.c:460 [inline] kasan_kmalloc+0x8d/0x9a mm/kasan/kasan.c:553 kmem_cache_alloc_trace+0x102/0x129 mm/slub.c:2787 kmalloc include/linux/slab.h:515 [inline] kzalloc include/linux/slab.h:709 [inline] hci_chan_create+0x86/0x26d net/bluetooth/hci_conn.c:1674 l2cap_conn_add.part.0+0x1c/0x814 net/bluetooth/l2cap_core.c:7062 l2cap_conn_add net/bluetooth/l2cap_core.c:7059 [inline] l2cap_connect_cfm+0x134/0x852 net/bluetooth/l2cap_core.c:7381 hci_connect_cfm+0x9d/0x122 include/net/bluetooth/hci_core.h:1404 hci_remote_ext_features_evt net/bluetooth/hci_event.c:4161 [inline] hci_event_packet+0x463f/0x72fa net/bluetooth/hci_event.c:5981 hci_rx_work+0x197/0x45e net/bluetooth/hci_core.c:4791 process_one_work+0x6f8/0xb50 kernel/workqueue.c:2175 worker_thread+0x4fc/0x670 kernel/workqueue.c:2321 kthread+0x2f0/0x304 kernel/kthread.c:253 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:415 Freed by task 1732: set_track mm/kasan/kasan.c:460 [inline] __kasan_slab_free mm/kasan/kasan.c:521 [inline] __kasan_slab_free+0x106/0x128 mm/kasan/kasan.c:493 slab_free_hook mm/slub.c:1409 [inline] slab_free_freelist_hook+0xaa/0xf6 mm/slub.c:1436 slab_free mm/slub.c:3009 [inline] kfree+0x182/0x21e mm/slub.c:3972 hci_disconn_loglink_complete_evt net/bluetooth/hci_event.c:4891 [inline] hci_event_packet+0x6a1c/0x72fa net/bluetooth/hci_event.c:6050 hci_rx_work+0x197/0x45e net/bluetooth/hci_core.c:4791 process_one_work+0x6f8/0xb50 kernel/workqueue.c:2175 worker_thread+0x4fc/0x670 kernel/workqueue.c:2321 kthread+0x2f0/0x304 kernel/kthread.c:253 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:415 The buggy address belongs to the object at ffff8881d7af9180 which belongs to the cache kmalloc-128 of size 128 The buggy address is located 24 bytes inside of 128-byte region [ffff8881d7af9180, ffff8881d7af9200) The buggy address belongs to the page: page:ffffea00075ebe40 count:1 mapcount:0 mapping:ffff8881da403200 index:0x0 flags: 0x8000000000000200(slab) raw: 8000000000000200 dead000000000100 dead000000000200 ffff8881da403200 raw: 0000000000000000 0000000080150015 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff8881d7af9080: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb ffff8881d7af9100: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc >ffff8881d7af9180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff8881d7af9200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff8881d7af9280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc Signed-off-by: -
Archie Pusaka authored
Currently l2cap_chan_set_defaults() reset chan->conf_state to zero. However, there is a flag CONF_NOT_COMPLETE which is set when creating the l2cap_chan. It is suggested that the flag should be cleared when l2cap_chan is ready, but when l2cap_chan_set_defaults() is called, l2cap_chan is not yet ready. Therefore, we must set this flag as the default. Example crash call trace: __dump_stack lib/dump_stack.c:15 [inline] dump_stack+0xc4/0x118 lib/dump_stack.c:56 panic+0x1c6/0x38b kernel/panic.c:117 __warn+0x170/0x1b9 kernel/panic.c:471 warn_slowpath_fmt+0xc7/0xf8 kernel/panic.c:494 debug_print_object+0x175/0x193 lib/debugobjects.c:260 debug_object_assert_init+0x171/0x1bf lib/debugobjects.c:614 debug_timer_assert_init kernel/time/timer.c:629 [inline] debug_assert_init kernel/time/timer.c:677 [inline] del_timer+0x7c/0x179 kernel/time/timer.c:1034 try_to_grab_pending+0x81/0x2e5 kernel/workqueue.c:1230 cancel_delayed_work+0x7c/0x1c4 kernel/workqueue.c:2929 l2cap_clear_timer+0x1e/0x41 include/net/bluetooth/l2cap.h:834 l2cap_chan_del+0x2d8/0x37e net/bluetooth/l2cap_core.c:640 l2cap_chan_close+0x532/0x5d8 net/bluetooth/l2cap_core.c:756 l2cap_sock_shutdown+0x806/0x969 net/bluetooth/l2cap_sock.c:1174 l2cap_sock_release+0x64/0x14d net/bluetooth/l2cap_sock.c:1217 __sock_release+0xda/0x217 net/socket.c:580 sock_close+0x1b/0x1f net/socket.c:1039 __fput+0x322/0x55c fs/file_table.c:208 ____fput+0x17/0x19 fs/file_table.c:244 task_work_run+0x19b/0x1d3 kernel/task_work.c:115 exit_task_work include/linux/task_work.h:21 [inline] do_exit+0xe4c/0x204a kernel/exit.c:766 do_group_exit+0x291/0x291 kernel/exit.c:891 get_signal+0x749/0x1093 kernel/signal.c:2396 do_signal+0xa5/0xcdb arch/x86/kernel/signal.c:737 exit_to_usermode_loop arch/x86/entry/common.c:243 [inline] prepare_exit_to_usermode+0xed/0x235 arch/x86/entry/common.c:277 syscall_return_slowpath+0x3a7/0x3b3 arch/x86/entry/common.c:348 int_ret_from_sys_call+0x25/0xa3 Signed-off-by:
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- 18 Mar, 2021 2 commits
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Linus Walleij authored
Add the missing brcm,bcm4330-bt and brcm,bcm4334-bt to the match table so device trees can use this compatible as well and not need to use the fallback brcm,bcm4329-bt. Signed-off-by:
Linus Walleij <linus.walleij@linaro.org> Signed-off-by:
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Linus Walleij authored
BCM4334 was missing from the binding. Cc: devicetree@vger.kernel.org Signed-off-by:
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- 17 Mar, 2021 1 commit
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Ayush Garg authored
Skip updation of tx and rx PHYs values, when PHY Update event's status is not successful. Signed-off-by:
Ayush Garg <ayush.garg@samsung.com> Signed-off-by:
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- 16 Mar, 2021 1 commit
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Jiri Kosina authored
Commit eab2404b ("Bluetooth: Add BT_PHY socket option") added a dependency between socket lock and hci_dev->lock that could lead to deadlock. It turns out that hci_conn_get_phy() is not in any way relying on hdev being immutable during the runtime of this function, neither does it even look at any of the members of hdev, and as such there is no need to hold that lock. This fixes the lockdep splat below: ====================================================== WARNING: possible circular locking dependency detected 5.12.0-rc1-00026-g73d464503354 #10 Not tainted ------------------------------------------------------ bluetoothd/1118 is trying to acquire lock: ffff8f078383c078 (&hdev->lock){+.+.}-{3:3}, at: hci_conn_get_phy+0x1c/0x150 [bluetooth] but task is already holding lock: ffff8f07e831d920 (sk_lock-AF_BLUETOOTH-BTPROTO_L2CAP){+.+.}-{0:0}, at: l2cap_sock_getsockopt+0x8b/0x610 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #3 (sk_lock-AF_BLUETOOTH-BTPROTO_L2CAP){+.+.}-{0:0}: lock_sock_nested+0x72/0xa0 l2cap_sock_ready_cb+0x18/0x70 [bluetooth] l2cap_config_rsp+0x27a/0x520 [bluetooth] l2cap_sig_channel+0x658/0x1330 [bluetooth] l2cap_recv_frame+0x1ba/0x310 [bluetooth] hci_rx_work+0x1cc/0x640 [bluetooth] process_one_work+0x244/0x5f0 worker_thread+0x3c/0x380 kthread+0x13e/0x160 ret_from_fork+0x22/0x30 -> #2 (&chan->lock#2/1){+.+.}-{3:3}: __mutex_lock+0xa3/0xa10 l2cap_chan_connect+0x33a/0x940 [bluetooth] l2cap_sock_connect+0x141/0x2a0 [bluetooth] __sys_connect+0x9b/0xc0 __x64_sys_connect+0x16/0x20 do_syscall_64+0x33/0x80 entry_SYSCALL_64_after_hwframe+0x44/0xae -> #1 (&conn->chan_lock){+.+.}-{3:3}: __mutex_lock+0xa3/0xa10 l2cap_chan_connect+0x322/0x940 [bluetooth] l2cap_sock_connect+0x141/0x2a0 [bluetooth] __sys_connect+0x9b/0xc0 __x64_sys_connect+0x16/0x20 do_syscall_64+0x33/0x80 entry_SYSCALL_64_after_hwframe+0x44/0xae -> #0 (&hdev->lock){+.+.}-{3:3}: __lock_acquire+0x147a/0x1a50 lock_acquire+0x277/0x3d0 __mutex_lock+0xa3/0xa10 hci_conn_get_phy+0x1c/0x150 [bluetooth] l2cap_sock_getsockopt+0x5a9/0x610 [bluetooth] __sys_getsockopt+0xcc/0x200 __x64_sys_getsockopt+0x20/0x30 do_syscall_64+0x33/0x80 entry_SYSCALL_64_after_hwframe+0x44/0xae other info that might help us debug this: Chain exists of: &hdev->lock --> &chan->lock#2/1 --> sk_lock-AF_BLUETOOTH-BTPROTO_L2CAP Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(sk_lock-AF_BLUETOOTH-BTPROTO_L2CAP); lock(&chan->lock#2/1); lock(sk_lock-AF_BLUETOOTH-BTPROTO_L2CAP); lock(&hdev->lock); *** DEADLOCK *** 1 lock held by bluetoothd/1118: #0: ffff8f07e831d920 (sk_lock-AF_BLUETOOTH-BTPROTO_L2CAP){+.+.}-{0:0}, at: l2cap_sock_getsockopt+0x8b/0x610 [bluetooth] stack backtrace: CPU: 3 PID: 1118 Comm: bluetoothd Not tainted 5.12.0-rc1-00026-g73d464503354 #10 Hardware name: LENOVO 20K5S22R00/20K5S22R00, BIOS R0IET38W (1.16 ) 05/31/2017 Call Trace: dump_stack+0x7f/0xa1 check_noncircular+0x105/0x120 ? __lock_acquire+0x147a/0x1a50 __lock_acquire+0x147a/0x1a50 lock_acquire+0x277/0x3d0 ? hci_conn_get_phy+0x1c/0x150 [bluetooth] ? __lock_acquire+0x2e1/0x1a50 ? lock_is_held_type+0xb4/0x120 ? hci_conn_get_phy+0x1c/0x150 [bluetooth] __mutex_lock+0xa3/0xa10 ? hci_conn_get_phy+0x1c/0x150 [bluetooth] ? lock_acquire+0x277/0x3d0 ? mark_held_locks+0x49/0x70 ? mark_held_locks+0x49/0x70 ? hci_conn_get_phy+0x1c/0x150 [bluetooth] hci_conn_get_phy+0x1c/0x150 [bluetooth] l2cap_sock_getsockopt+0x5a9/0x610 [bluetooth] __sys_getsockopt+0xcc/0x200 __x64_sys_getsockopt+0x20/0x30 do_syscall_64+0x33/0x80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fb73df33eee Code: 48 8b 0d 85 0f 0c 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 49 89 ca b8 37 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 52 0f 0c 00 f7 d8 64 89 01 48 RSP: 002b:00007fffcfbbbf08 EFLAGS: 00000203 ORIG_RAX: 0000000000000037 RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fb73df33eee RDX: 000000000000000e RSI: 0000000000000112 RDI: 0000000000000018 RBP: 0000000000000000 R08: 00007fffcfbbbf44 R09: 0000000000000000 R10: 00007fffcfbbbf3c R11: 0000000000000203 R12: 0000000000000000 R13: 0000000000000018 R14: 0000000000000000 R15: 0000556fcefc70d0 Fixes: eab2404b ("Bluetooth: Add BT_PHY socket option") Signed-off-by:
Jiri Kosina <jkosina@suse.cz> Signed-off-by:
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- 15 Mar, 2021 3 commits
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Luiz Augusto von Dentz authored
This converts instances of BT_ERR and BT_DBG to bt_dev_err and bt_dev_dbg which can be enabled at runtime when BT_FEATURE_DEBUG is enabled. Note: Not all instances could be converted as some are exercised by selftest. Signed-off-by:
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Luiz Augusto von Dentz authored
When receiving L2CAP_CREDIT_BASED_CONNECTION_REQ the remote may request more channels than allowed by the spec (10 octecs = 5 CIDs) so this checks if the number of channels is bigger than the maximum allowed and respond with an error. Signed-off-by:
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Sonny Sasaka authored
Not cancelling it has caused a bug where passive background scanning is disabled out of the blue, preventing BLE keyboards/mice to reconnect. Here is how it happens: After hci_req_stop_discovery, there is still le_scan_restart_work scheduled. Invocation of le_scan_restart_work causes a harmful le_scan_disable_work to be scheduled. This le_scan_disable_work will eventually disable passive scanning when the timer fires. Sample btmon trace: < HCI Command: LE Set Scan Parameters (0x08|0x000b) plen 7 Type: Passive (0x00) Interval: 367.500 msec (0x024c) Window: 37.500 msec (0x003c) Own address type: Public (0x00) Filter policy: Accept all advertisement (0x00) > HCI Event: Command Complete (0x0e) plen 4 LE Set Scan Parameters (0x08|0x000b) ncmd 1 Status: Success (0x00) < HCI Command: LE Set Scan Enable (0x08|0x000c) plen 2 Scanning: Enabled (0x01) Filter duplicates: Disabled (0x00) > HCI Event: Command Complete (0x0e) plen 4 LE Set Scan Enable (0x08|0x000c) ncmd 2 Status: Success (0x00) ... < HCI Command: LE Set Scan Enable (0x08|0x000c) plen 2 Scanning: Disabled (0x00) Filter duplicates: Disabled (0x00) > HCI Event: Command Complete (0x0e) plen 4 LE Set Scan Enable (0x08|0x000c) ncmd 2 Status: Success (0x00) // Background scanning is not working here onwards. Reviewed-by:
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