diff options
| author | Siwei Zhang <oss@fourdim.xyz> | 2026-04-15 23:53:36 +0300 |
|---|---|---|
| committer | Luiz Augusto von Dentz <luiz.von.dentz@intel.com> | 2026-05-06 23:21:07 +0300 |
| commit | 78a88d43dab8d23aeef934ed8ce34d40e6b3d613 (patch) | |
| tree | dd7a6422dcff4a895fba1fabd5a96a2272f527f7 | |
| parent | 2ff1a41a912de8517b4482e946dd951b7d80edbf (diff) | |
| download | linux-78a88d43dab8d23aeef934ed8ce34d40e6b3d613.tar.xz | |
Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_get_sndtimeo_cb()
Add the same NULL guard already present in
l2cap_sock_resume_cb() and l2cap_sock_ready_cb().
Fixes: 8d836d71e222 ("Bluetooth: Access sk_sndtimeo indirectly in l2cap_core.c")
Cc: stable@kernel.org
Signed-off-by: Siwei Zhang <oss@fourdim.xyz>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
| -rw-r--r-- | net/bluetooth/l2cap_sock.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c index fb3cb70a5a39..879c9f90269a 100644 --- a/net/bluetooth/l2cap_sock.c +++ b/net/bluetooth/l2cap_sock.c @@ -1761,6 +1761,9 @@ static long l2cap_sock_get_sndtimeo_cb(struct l2cap_chan *chan) { struct sock *sk = chan->data; + if (!sk) + return 0; + return READ_ONCE(sk->sk_sndtimeo); } |