On Sun, Feb 23, 2020 at 02:17:36PM -0700, Jens Axboe wrote:
> We somehow never free the idr, even though we init it for every ctx.
> Free it when the rest of the ring data is freed.
>
> Fixes: 071698e13ac6 ("io_uring: allow registering credentials")
> Signed-off-by: Jens Axboe <axboe@xxxxxxxxx>
>
> ---
Reviewed-by: Stefano Garzarella <sgarzare@xxxxxxxxxx>
>
> diff --git a/fs/io_uring.c b/fs/io_uring.c
> index 7d0be264527d..d961945cb332 100644
> --- a/fs/io_uring.c
> +++ b/fs/io_uring.c
> @@ -6339,6 +6339,7 @@ static void io_ring_ctx_free(struct io_ring_ctx *ctx)
> io_sqe_buffer_unregister(ctx);
> io_sqe_files_unregister(ctx);
> io_eventfd_unregister(ctx);
> + idr_destroy(&ctx->personality_idr);
>
> #if defined(CONFIG_UNIX)
> if (ctx->ring_sock) {
>
> --
> Jens Axboe
>
