diff options
author | Sungwoo Kim <iam@sung-woo.kim> | 2024-05-02 19:09:31 +0300 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-05-17 13:02:21 +0300 |
commit | 1f7ebb69c1d65732bcac2fda9d15421f76f01e81 (patch) | |
tree | 9ceb0d68e47698e82b04b72a3230577d8abeb00c | |
parent | a85a60e62355e3bf4802dead7938966824b23940 (diff) | |
download | linux-1f7ebb69c1d65732bcac2fda9d15421f76f01e81.tar.xz |
Bluetooth: HCI: Fix potential null-ptr-deref
[ Upstream commit d2706004a1b8b526592e823d7e52551b518a7941 ]
Fix potential null-ptr-deref in hci_le_big_sync_established_evt().
Fixes: f777d8827817 (Bluetooth: ISO: Notify user space about failed bis connections)
Signed-off-by: Sungwoo Kim <iam@sung-woo.kim>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
-rw-r--r-- | net/bluetooth/hci_event.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index 1b4abf8e90f6..9274d3255049 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -7200,6 +7200,8 @@ static void hci_le_big_sync_established_evt(struct hci_dev *hdev, void *data, u16 handle = le16_to_cpu(ev->bis[i]); bis = hci_conn_hash_lookup_handle(hdev, handle); + if (!bis) + continue; set_bit(HCI_CONN_BIG_SYNC_FAILED, &bis->flags); hci_connect_cfm(bis, ev->status); |