On Tue, Feb 25, 2020 at 5:54 PM Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote: > > On Tue, 25 Feb 2020 12:44:46 -0800 Cong Wang <xiyou.wangcong@xxxxxxxxx> wrote: > > > dma-buff name can be set via DMA_BUF_SET_NAME ioctl, but once set > > it never gets freed. > > > > Free it in dma_buf_release(). > > > > ... > > > > --- a/drivers/dma-buf/dma-buf.c > > +++ b/drivers/dma-buf/dma-buf.c > > @@ -108,6 +108,7 @@ static int dma_buf_release(struct inode *inode, struct file *file) > > dma_resv_fini(dmabuf->resv); > > > > module_put(dmabuf->owner); > > + kfree(dmabuf->name); > > kfree(dmabuf); > > return 0; > > } > > ow. Is that ioctl privileged? It looks unprivileged to me, as I don't see capable() called along the path. Thanks.