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Message-Id: <20241107-vsock-mem-leaks-v2-3-4e21bfcfc818@rbox.co>
Date: Thu, 07 Nov 2024 21:46:14 +0100
From: Michal Luczaj <mhal@...x.co>
To: Stefan Hajnoczi <stefanha@...hat.com>,
Stefano Garzarella <sgarzare@...hat.com>,
"Michael S. Tsirkin" <mst@...hat.com>, Jason Wang <jasowang@...hat.com>,
Xuan Zhuo <xuanzhuo@...ux.alibaba.com>,
Eugenio PĂ©rez <eperezma@...hat.com>,
"David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
Simon Horman <horms@...nel.org>, Jia He <justin.he@....com>,
Arseniy Krasnov <avkrasnov@...utedevices.com>,
Dmitry Torokhov <dtor@...are.com>, Andy King <acking@...are.com>,
George Zhang <georgezhang@...are.com>
Cc: kvm@...r.kernel.org, virtualization@...ts.linux.dev,
netdev@...r.kernel.org, Michal Luczaj <mhal@...x.co>
Subject: [PATCH net v2 3/3] virtio/vsock: Improve MSG_ZEROCOPY error
handling
Add a missing kfree_skb() to prevent memory leaks.
Fixes: 581512a6dc93 ("vsock/virtio: MSG_ZEROCOPY flag support")
Reviewed-by: Stefano Garzarella <sgarzare@...hat.com>
Signed-off-by: Michal Luczaj <mhal@...x.co>
---
net/vmw_vsock/virtio_transport_common.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/net/vmw_vsock/virtio_transport_common.c b/net/vmw_vsock/virtio_transport_common.c
index cd075f608d4f6f48f894543e5e9c966d3e5f22df..e2e6a30b759bdc6371bb0d63ee2e77c0ba148fd2 100644
--- a/net/vmw_vsock/virtio_transport_common.c
+++ b/net/vmw_vsock/virtio_transport_common.c
@@ -400,6 +400,7 @@ static int virtio_transport_send_pkt_info(struct vsock_sock *vsk,
if (virtio_transport_init_zcopy_skb(vsk, skb,
info->msg,
can_zcopy)) {
+ kfree_skb(skb);
ret = -ENOMEM;
break;
}
--
2.46.2
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