Hold hdev->lock for hci_conn_failed. There are possible race conditions which may cause kernel crash. Changes in v3: - Remove an empty line in commit message between Fixes and SoB Changes in v2: - Update commit message Changes in v1: - Hold hdev->lock for hci_conn_failed Zhengping Jiang (1): Bluetooth: hci_sync: hold hdev->lock when cleanup hci_conn net/bluetooth/hci_sync.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) -- 2.37.1.595.g718a3a8f04-goog