Message ID | 20201027173528.213464-5-stefanha@redhat.com |
---|---|
State | Superseded |
Headers | show
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Tsirkin" <mst@redhat.com>, Coiby Xu <coiby.xu@gmail.com>, Raphael Norwitz <raphael.norwitz@nutanix.com>, Stefan Hajnoczi <stefanha@redhat.com>, Paolo Bonzini <pbonzini@redhat.com>, Max Reitz <mreitz@redhat.com> Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" <qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org> |
Series |
block/export: vhost-user-blk server cleanups and tests
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expand
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diff --git a/block/export/vhost-user-blk-server.c b/block/export/vhost-user-blk-server.c index 33cc0818b8..62672d1cb9 100644 --- a/block/export/vhost-user-blk-server.c +++ b/block/export/vhost-user-blk-server.c @@ -266,6 +266,9 @@ vu_blk_get_config(VuDev *vu_dev, uint8_t *config, uint32_t len) { VuServer *server = container_of(vu_dev, VuServer, vu_dev); VuBlkExport *vexp = container_of(server, VuBlkExport, vu_server); + + g_return_val_if_fail(len <= sizeof(struct virtio_blk_config), -1); + memcpy(config, &vexp->blkcfg, len); return 0; }
Refuse get_config() requests in excess of sizeof(struct virtio_blk_config). Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> --- block/export/vhost-user-blk-server.c | 3 +++ 1 file changed, 3 insertions(+)