From mboxrd@z Thu Jan  1 00:00:00 1970
From: Johannes Berg <johannes-cdvu00un1VgdHxzADdlk8Q@public.gmane.org>
Subject: Re: [mac80211] BUG_ON with current -git (4.8.0-11417-g24532f7)
Date: Fri, 14 Oct 2016 10:55:03 +0200
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Cc: Andy Lutomirski <luto-kltTT9wpgjJwATOyAt5JVQ@public.gmane.org>,
        Stephen Rothwell <sfr-3FnU+UHB4dNDw9hX6IcOSA@public.gmane.org>,
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To: Ard Biesheuvel <ard.biesheuvel-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
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On Fri, 2016-10-14 at 09:47 +0100, Ard Biesheuvel wrote:
> 
> Do you have a reference for the sg_set_buf() call on odata?
> crypto/ccm.c does not seem to have it (afaict), 

It's indirect - crypto_ccm_encrypt() calls crypto_ccm_init_crypt()
which does it.

> and the same problem
> does not exist in the accelerated arm64 implementation. In the mean
> time, I will try and see if we can move aad[] off the stack in the
> WPA code.

I had that with per-CPU buffers, just sent the patch upthread.

johannes