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Diffstat (limited to 'net/bluetooth/l2cap_sock.c')
-rw-r--r--net/bluetooth/l2cap_sock.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c
index e1a3e66b1754..e7cfe28140c3 100644
--- a/net/bluetooth/l2cap_sock.c
+++ b/net/bluetooth/l2cap_sock.c
@@ -1521,8 +1521,6 @@ static void l2cap_sock_teardown_cb(struct l2cap_chan *chan, int err)
parent = bt_sk(sk)->parent;
- sock_set_flag(sk, SOCK_ZAPPED);
-
switch (chan->state) {
case BT_OPEN:
case BT_BOUND:
@@ -1549,8 +1547,11 @@ static void l2cap_sock_teardown_cb(struct l2cap_chan *chan, int err)
break;
}
-
release_sock(sk);
+
+ /* Only zap after cleanup to avoid use after free race */
+ sock_set_flag(sk, SOCK_ZAPPED);
+
}
static void l2cap_sock_state_change_cb(struct l2cap_chan *chan, int state,