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Bluetooth:btintel: Print firmware SHA1 #11
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Commits on Oct 24, 2023
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Bluetooth: Fix not notifying when connection encryption changes
Some layers such as SMP depend on getting notified about encryption changes immediately as they only allow certain PDU to be transmitted over an encrypted link which may cause SMP implementation to reject valid PDUs received thus causing pairing to fail when it shouldn't. Fixes: 7aca0ac ("Bluetooth: Wait for HCI_OP_WRITE_AUTH_PAYLOAD_TO to complete") Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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Bluetooth: ISO: Allow binding a PA sync socket
This makes it possible to bind a PA sync socket to a number of BISes before issuing the BIG Create Sync command. Signed-off-by: Iulia Tanasescu <iulia.tanasescu@nxp.com> Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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Commits on Nov 17, 2023
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Bluetooth: ISO: Reassociate a socket with an active BIS
For ISO Broadcast, all BISes from a BIG have the same lifespan - they cannot be created or terminated independently from each other. This links together all BIS hcons that are part of the same BIG, so all hcons are kept alive as long as the BIG is active. If multiple BIS sockets are opened for a BIG handle, and only part of them are closed at some point, the associated hcons will be marked as open. If new sockets will later be opened for the same BIG, they will be reassociated with the open BIS hcons. All BIS hcons will be cleaned up and the BIG will be terminated when the last BIS socket is closed from userspace. Signed-off-by: Iulia Tanasescu <iulia.tanasescu@nxp.com> Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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Bluetooth: Fix deadlock in vhci_send_frame
syzbot found a potential circular dependency leading to a deadlock: -> bluez#3 (&hdev->req_lock){+.+.}-{3:3}: __mutex_lock_common+0x1b6/0x1bc2 kernel/locking/mutex.c:599 __mutex_lock kernel/locking/mutex.c:732 [inline] mutex_lock_nested+0x17/0x1c kernel/locking/mutex.c:784 hci_dev_do_close+0x3f/0x9f net/bluetooth/hci_core.c:551 hci_rfkill_set_block+0x130/0x1ac net/bluetooth/hci_core.c:935 rfkill_set_block+0x1e6/0x3b8 net/rfkill/core.c:345 rfkill_fop_write+0x2d8/0x672 net/rfkill/core.c:1274 vfs_write+0x277/0xcf5 fs/read_write.c:594 ksys_write+0x19b/0x2bd fs/read_write.c:650 do_syscall_x64 arch/x86/entry/common.c:55 [inline] do_syscall_64+0x51/0xba arch/x86/entry/common.c:93 entry_SYSCALL_64_after_hwframe+0x61/0xcb -> bluez#2 (rfkill_global_mutex){+.+.}-{3:3}: __mutex_lock_common+0x1b6/0x1bc2 kernel/locking/mutex.c:599 __mutex_lock kernel/locking/mutex.c:732 [inline] mutex_lock_nested+0x17/0x1c kernel/locking/mutex.c:784 rfkill_register+0x30/0x7e3 net/rfkill/core.c:1045 hci_register_dev+0x48f/0x96d net/bluetooth/hci_core.c:2622 __vhci_create_device drivers/bluetooth/hci_vhci.c:341 [inline] vhci_create_device+0x3ad/0x68f drivers/bluetooth/hci_vhci.c:374 vhci_get_user drivers/bluetooth/hci_vhci.c:431 [inline] vhci_write+0x37b/0x429 drivers/bluetooth/hci_vhci.c:511 call_write_iter include/linux/fs.h:2109 [inline] new_sync_write fs/read_write.c:509 [inline] vfs_write+0xaa8/0xcf5 fs/read_write.c:596 ksys_write+0x19b/0x2bd fs/read_write.c:650 do_syscall_x64 arch/x86/entry/common.c:55 [inline] do_syscall_64+0x51/0xba arch/x86/entry/common.c:93 entry_SYSCALL_64_after_hwframe+0x61/0xcb -> #1 (&data->open_mutex){+.+.}-{3:3}: __mutex_lock_common+0x1b6/0x1bc2 kernel/locking/mutex.c:599 __mutex_lock kernel/locking/mutex.c:732 [inline] mutex_lock_nested+0x17/0x1c kernel/locking/mutex.c:784 vhci_send_frame+0x68/0x9c drivers/bluetooth/hci_vhci.c:75 hci_send_frame+0x1cc/0x2ff net/bluetooth/hci_core.c:2989 hci_sched_acl_pkt net/bluetooth/hci_core.c:3498 [inline] hci_sched_acl net/bluetooth/hci_core.c:3583 [inline] hci_tx_work+0xb94/0x1a60 net/bluetooth/hci_core.c:3654 process_one_work+0x901/0xfb8 kernel/workqueue.c:2310 worker_thread+0xa67/0x1003 kernel/workqueue.c:2457 kthread+0x36a/0x430 kernel/kthread.c:319 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298 -> #0 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: check_prev_add kernel/locking/lockdep.c:3053 [inline] check_prevs_add kernel/locking/lockdep.c:3172 [inline] validate_chain kernel/locking/lockdep.c:3787 [inline] __lock_acquire+0x2d32/0x77fa kernel/locking/lockdep.c:5011 lock_acquire+0x273/0x4d5 kernel/locking/lockdep.c:5622 __flush_work+0xee/0x19f kernel/workqueue.c:3090 hci_dev_close_sync+0x32f/0x1113 net/bluetooth/hci_sync.c:4352 hci_dev_do_close+0x47/0x9f net/bluetooth/hci_core.c:553 hci_rfkill_set_block+0x130/0x1ac net/bluetooth/hci_core.c:935 rfkill_set_block+0x1e6/0x3b8 net/rfkill/core.c:345 rfkill_fop_write+0x2d8/0x672 net/rfkill/core.c:1274 vfs_write+0x277/0xcf5 fs/read_write.c:594 ksys_write+0x19b/0x2bd fs/read_write.c:650 do_syscall_x64 arch/x86/entry/common.c:55 [inline] do_syscall_64+0x51/0xba arch/x86/entry/common.c:93 entry_SYSCALL_64_after_hwframe+0x61/0xcb This change removes the need for acquiring the open_mutex in vhci_send_frame, thus eliminating the potential deadlock while maintaining the required packet ordering. Fixes: 92d4abd ("Bluetooth: vhci: Fix race when opening vhci device") Signed-off-by: Ying Hsu <yinghsu@chromium.org> Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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Bluetooth: qca: Set both WIDEBAND_SPEECH and LE_STATES quirks for QCA…
…2066 Set both WIDEBAND_SPEECH_SUPPORTED and VALID_LE_STATES quirks for QCA2066. Signed-off-by: Zijun Hu <quic_zijuhu@quicinc.com> Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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Commits on Nov 20, 2023
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Bluetooth: hci_event: Fix not checking if HCI_OP_INQUIRY has been sent
Before setting HCI_INQUIRY bit check if HCI_OP_INQUIRY was really sent otherwise the controller maybe be generating invalid events or, more likely, it is a result of fuzzing tools attempting to test the right behavior of the stack when unexpected events are generated. Link: https://bugzilla.kernel.org/show_bug.cgi?id=218151 Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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Commits on Nov 21, 2023
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Bluetooth: btusb: Don't suspend when there are connections
This checks if there are connections before suspending since that may disrupt the connections making it stop receiving any data if remote wakeup is not enabled. Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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Commits on Nov 22, 2023
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Bluetooth: Add documentation to exported functions in lib
Most functions in `net/bluetooth/lib.c` lack propper documentation. This patch adds documentation to all exported functions in `net/bluetooth/lib.c`. Unnecessary or redundant comments are also removed to ensure the file looks clean. Signed-off-by: Yuran Pereira <yuran.pereira@hotmail.com> Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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Commits on Nov 23, 2023
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Bluetooth:btintel: Print firmware SHA1
Intel Read Version event contains a TLV(0x32) having firmware sha1 in operational image. Signed-off-by: Kiran K <kiran.k@intel.com>
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