On Mon, Sep 24, 2018 at 4:52 AM, Ard Biesheuvel
[off-list ref] wrote:

On Wed, 19 Sep 2018 at 04:11, Kees Cook [off-list ref] wrote:

quoted

@@ -119,7 +119,7 @@ cryptoloop_transfer(struct loop_device *lo, int cmd,
        unsigned in_offs, out_offs;
        int err;

-       skcipher_request_set_tfm(req, tfm);
+       skcipher_request_set_sync_tfm(req, tfm);
        skcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_SLEEP,
                                      NULL, NULL);

Does this work?

Everything is a direct wrapper for existing types and functions, so I
wouldn't expect any functional change. I haven't been able to test
this particular interface, though. cryptoloop is very deprecated,
isn't it?

-Kees

-- 
Kees Cook
Pixel Security