On Tue, Sep 18, 2018 at 07:10:48PM -0700, Kees Cook wrote:

In the quest to remove all stack VLA usage from the kernel[1], this
replaces struct crypto_skcipher and SKCIPHER_REQUEST_ON_STACK() usage
with struct crypto_sync_skcipher and SYNC_SKCIPHER_REQUEST_ON_STACK(),
which uses a fixed stack size.

[1] https://lkml.kernel.org/r/CA+55aFzCG-zNmZwX4A2FQpadafLfEzK6CC=qPXydAacU1RqZWA@mail.gmail.com

Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Felipe Balbi <redacted>
Cc: Johan Hovold <johan@kernel.org>
Cc: "Gustavo A. R. Silva" <redacted>
Cc: linux-usb@vger.kernel.org
Signed-off-by: Kees Cook <redacted>

Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>