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Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_new_connection_cb()

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

Fixes: 80808e431e ("Bluetooth: Add l2cap_chan_ops abstraction")
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 16:49:59 -04:00 committed by Luiz Augusto von Dentz
parent 78a88d43da
commit 0a120d9616
1 changed files with 3 additions and 0 deletions
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3
net/bluetooth/l2cap_sock.c
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@ -1498,6 +1498,9 @@ static struct l2cap_chan *l2cap_sock_new_connection_cb(struct l2cap_chan *chan)
{
struct sock *sk, *parent = chan->data;
if (!parent)
return NULL;
lock_sock(parent);
/* Check for backlog size */