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Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_get_sndtimeo_cb()

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Add the same NULL guard already present in
l2cap_sock_resume_cb() and l2cap_sock_ready_cb().

Fixes: 8d836d71e2 ("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>
This commit is contained in:
Siwei Zhang 2026-04-15 16:53:36 -04:00 committed by Luiz Augusto von Dentz
parent 2ff1a41a91
commit 78a88d43da
1 changed files with 3 additions and 0 deletions
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3
net/bluetooth/l2cap_sock.c
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@ -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);
}