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8 Commits

Author SHA1 Message Date
Stefan Hajnoczi
0516ffd88f vhost/vsock: handle vhost_vq_init_access() error 
Propagate the error when vhost_vq_init_access() fails and set
vq->private_data to NULL.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
 2017-01-25 00:33:10 +02:00
Gao feng
6c083c2b8a vsock: lookup and setup guest_cid inside vhost_vsock_lock 
Multi vsocks may setup the same cid at the same time.

Signed-off-by: Gao feng <omarapazanadi@gmail.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
 2016-12-16 00:12:49 +02:00
David S. Miller
821781a9f4 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-12-10 16:21:55 -05:00
Peng Tao
c4587631c7 vhost-vsock: fix orphan connection reset 
local_addr.svm_cid is host cid. We should check guest cid instead,
which is remote_addr.svm_cid. Otherwise we end up resetting all
connections to all guests.

Cc: stable@vger.kernel.org [4.8+]
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Peng Tao <bergwolf@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2016-12-08 21:24:30 -05:00
Peng Tao
1440a3a12b vhost-vsock: remove unused vq variable 
Signed-off-by: Peng Tao <bergwolf@gmail.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2016-12-08 11:26:46 -05:00
Stefan Hajnoczi
3fda5d6e58 vhost/vsock: fix vhost virtio_vsock_pkt use-after-free 
Stash the packet length in a local variable before handing over
ownership of the packet to virtio_transport_recv_pkt() or
virtio_transport_free_pkt().

This patch solves the use-after-free since pkt is no longer guaranteed
to be alive.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
 2016-08-09 13:42:37 +03:00
Wei Yongjun
b226acab2f VSOCK: Use kvfree() 
Use kvfree() instead of open-coding it.

Signed-off-by: Wei Yongjun <weiyj.lk@gmail.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
 2016-08-02 16:56:08 +03:00
Asias He
433fc58e6b VSOCK: Introduce vhost_vsock.ko 
VM sockets vhost transport implementation.  This driver runs on the
host.

Signed-off-by: Asias He <asias@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
 2016-08-02 02:57:30 +03:00