From: "Michael S. Tsirkin" <[email protected]> Date: Sun, 7 Jul 2013 14:26:53 +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 <[email protected]> > Acked-by: Jason Wang <[email protected]> > Signed-off-by: Michael S. Tsirkin <[email protected]> Applied and queued up for -stable. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
