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During the review of "[PATCH] vsock/virtio: Initialize core virtio vsock before registering the driver", Stefan pointed out some possible issues in the .probe() and .remove() callbacks of the virtio-vsock driver. This series tries to solve these issues: - Patch 1 adds RCU critical sections to avoid use-after-free of 'the_virtio_vsock' pointer. - Patch 2 stops workers before to

...mst at redhat.com> Signed-off-by: Stefano Garzarella <sgarzare at redhat.com> --- net/vmw_vsock/virtio_transport.c | 51 +++++++++++++++++++++++++++++++- 1 file changed, 50 insertions(+), 1 deletion(-) diff --git a/net/vmw_vsock/virtio_transport.c b/net/vmw_vsock/virtio_transport.c index 3eaec60aa64f..4dbdce7746bd 100644 --- a/net/vmw_vsock/virtio_transport.c +++ b/net/vmw_vsock/virtio_transport.c @@ -38,6 +38,7 @@ struct virtio_vsock { * must be accessed with tx_lock held. */ struct mutex tx_lock; + bool tx_run; struct work_struct send_pkt_work; spinlock_t send_pkt_list_lock; @@...

...ice. Signed-off-by: Stefano Garzarella <sgarzare at redhat.com> --- net/vmw_vsock/virtio_transport.c | 70 +++++++++++++++++++++----------- 1 file changed, 46 insertions(+), 24 deletions(-) diff --git a/net/vmw_vsock/virtio_transport.c b/net/vmw_vsock/virtio_transport.c index 9c287e3e393c..3eaec60aa64f 100644 --- a/net/vmw_vsock/virtio_transport.c +++ b/net/vmw_vsock/virtio_transport.c @@ -65,19 +65,22 @@ struct virtio_vsock { u32 guest_cid; }; -static struct virtio_vsock *virtio_vsock_get(void) -{ - return the_virtio_vsock; -} - static u32 virtio_transport_get_local_cid(void) { - struct v...