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Date: Thu, 10 Oct 2019 12:50:31 +0200
From: Oleksij Rempel <o.rempel@...gutronix.de>
To: dev.kurt@...dijck-laurijssen.be, mkl@...gutronix.de,
wg@...ndegger.com
Cc: Oleksij Rempel <o.rempel@...gutronix.de>, kernel@...gutronix.de,
linux-can@...r.kernel.org, netdev@...r.kernel.org
Subject: [PATCH] can: j1939: fix memory leak if filters was set
Filters array is coped from user space and linked to the j1939 socket.
On socket release this memory was not freed.
Fixes: 9d71dd0c7009 ("can: add support of SAE J1939 protocol")
Signed-off-by: Oleksij Rempel <o.rempel@...gutronix.de>
---
net/can/j1939/socket.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/net/can/j1939/socket.c b/net/can/j1939/socket.c
index 5c6eabcb5df1..4d8ba701e15d 100644
--- a/net/can/j1939/socket.c
+++ b/net/can/j1939/socket.c
@@ -580,6 +580,7 @@ static int j1939_sk_release(struct socket *sock)
j1939_netdev_stop(priv);
}
+ kfree(jsk->filters);
sock_orphan(sk);
sock->sk = NULL;
--
2.23.0
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