If a pending socket is marked as rejected, we will decrease the
sk_ack_backlog twice. So don't decrement it for rejected sockets
in vsock_pending_work().
Testing of the rejected socket path was done through code
modifications.
Reported-by: Stefan Hajnoczi <stefanha@xxxxxxxxxx>
Signed-off-by: Jorgen Hansen <jhansen@xxxxxxxxxx>
Reviewed-by: Adit Ranadive <aditr@xxxxxxxxxx>
Reviewed-by: Aditya Sarwade <asarwade@xxxxxxxxxx>
---
net/vmw_vsock/af_vsock.c | 6 +++---
1 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c
index 17dbbe6..8a398b3 100644
--- a/net/vmw_vsock/af_vsock.c
+++ b/net/vmw_vsock/af_vsock.c
@@ -465,6 +465,8 @@ void vsock_pending_work(struct work_struct *work)
if (vsock_is_pending(sk)) {
vsock_remove_pending(listener, sk);
+
+ listener->sk_ack_backlog--;
} else if (!vsk->rejected) {
/* We are not on the pending list and accept() did not reject
* us, so we must have been accepted by our user process. We
@@ -475,8 +477,6 @@ void vsock_pending_work(struct work_struct *work)
goto out;
}
- listener->sk_ack_backlog--;
-
/* We need to remove ourself from the global connected sockets list so
* incoming packets can't find this socket, and to reduce the reference
* count.
@@ -2010,5 +2010,5 @@ EXPORT_SYMBOL_GPL(vsock_core_get_transport);
MODULE_AUTHOR("VMware, Inc.");
MODULE_DESCRIPTION("VMware Virtual Socket Family");
-MODULE_VERSION("1.0.1.0-k");
+MODULE_VERSION("1.0.2.0-k");
MODULE_LICENSE("GPL v2");
--
1.7.0
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