From: "Michael S. Tsirkin" <mst@xxxxxxxxxx> Date: Tue, 25 Jun 2013 17:29:46 +0300 > vhost_net_ubuf_put_and_wait has a confusing name: > it will actually also free it's argument. > Thus since commit 1280c27f8e29acf4af2da914e80ec27c3dbd5c01 > "vhost-net: flush outstanding DMAs on memory change" > vhost_net_flush tries to use the argument after passing it > to vhost_net_ubuf_put_and_wait, this results > in use after free. > To fix, don't free the argument in vhost_net_ubuf_put_and_wait, > add an new API for callers that want to free ubufs. > > Acked-by: Asias He <asias@xxxxxxxxxx> > Acked-by: Jason Wang <jasowang@xxxxxxxxxx> > Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx> This doesn't apply cleanly to the 'net' tree, please fix this up and resubmit. Thanks. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html