Re: [syzbot] [bluetooth?] INFO: task hung in hci_conn_failed

Edward Adam Davis
2024-01-28T01:37:31Z

please test task hung in hci_conn_failed

#syz test https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master

diff --git a/net/bluetooth/hci_sync.c b/net/bluetooth/hci_sync.c
index a6fc8a2a5c67..2cc194ad37ba 100644
--- a/net/bluetooth/hci_sync.c
+++ b/net/bluetooth/hci_sync.c
@@ -5338,7 +5338,7 @@ int hci_abort_conn_sync(struct hci_dev *hdev, struct hci_conn *conn, u8 reason)

/* Check if the connection has been cleaned up concurrently */
c = hci_conn_hash_lookup_handle(hdev, handle);
- if (!c || c != conn) {
+ if (!c || c != conn || conn->state == BT_CLOSED) {
err = 0;
goto unlock;
}