All of lore.kernel.org
 help / color / mirror / Atom feed
From: Johannes Berg <johannes-cdvu00un1VgdHxzADdlk8Q@public.gmane.org>
To: Ard Biesheuvel <ard.biesheuvel-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
Cc: Andy Lutomirski <luto-kltTT9wpgjJwATOyAt5JVQ@public.gmane.org>,
	Stephen Rothwell <sfr-3FnU+UHB4dNDw9hX6IcOSA@public.gmane.org>,
	"linux-next-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<linux-next-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	Sergey Senozhatsky
	<sergey.senozhatsky.work-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	Network Development
	<netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	Sergey Senozhatsky
	<sergey.senozhatsky-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	Herbert Xu
	<herbert-lOAM2aK0SrRLBo1qDEOMRrpzq4S04n8Q@public.gmane.org>,
	"David S. Miller" <davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>,
	Linux Wireless List
	<linux-wireless-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	"linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	Jouni Malinen <j@w1.fi>
Subject: Re: [mac80211] BUG_ON with current -git (4.8.0-11417-g24532f7)
Date: Fri, 14 Oct 2016 10:55:03 +0200	[thread overview]
Message-ID: <1476435303.31114.14.camel@sipsolutions.net> (raw)
In-Reply-To: <CAKv+Gu896xme5sd5i8hs7tA=Xt=qQKCiAx7fQg1ZECn50NttbQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> (sfid-20161014_104721_667479_4407E3F4)

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

WARNING: multiple messages have this Message-ID (diff)
From: Johannes Berg <johannes@sipsolutions.net>
To: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Andy Lutomirski <luto@amacapital.net>,
	Stephen Rothwell <sfr@canb.auug.org.au>,
	"linux-next@vger.kernel.org" <linux-next@vger.kernel.org>,
	Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>,
	Network Development <netdev@vger.kernel.org>,
	Sergey Senozhatsky <sergey.senozhatsky@gmail.com>,
	Herbert Xu <herbert@gondor.apana.org.au>,
	"David S. Miller" <davem@davemloft.net>,
	Linux Wireless List <linux-wireless@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Jouni Malinen <j@w1.fi>
Subject: Re: [mac80211] BUG_ON with current -git (4.8.0-11417-g24532f7)
Date: Fri, 14 Oct 2016 10:55:03 +0200	[thread overview]
Message-ID: <1476435303.31114.14.camel@sipsolutions.net> (raw)
In-Reply-To: <CAKv+Gu896xme5sd5i8hs7tA=Xt=qQKCiAx7fQg1ZECn50NttbQ@mail.gmail.com> (sfid-20161014_104721_667479_4407E3F4)

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

  parent reply	other threads:[~2016-10-14  8:55 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-10-10 15:03 [mac80211] BUG_ON with current -git (4.8.0-11417-g24532f7) Sergey Senozhatsky
2016-10-10 15:30 ` Sergey Senozhatsky
2016-10-12  9:05   ` Johannes Berg
2016-10-12 14:12     ` Sergey Senozhatsky
2016-10-12 14:22       ` Johannes Berg
2016-10-13  5:39         ` Andy Lutomirski
2016-10-13  6:02           ` Johannes Berg
2016-10-13 13:42             ` Sergey Senozhatsky
2016-10-13 13:45               ` Sergey Senozhatsky
2016-10-13 13:45               ` Johannes Berg
2016-10-13 15:00                 ` Sergey Senozhatsky
2016-10-13 15:04                   ` Sergey Senozhatsky
2016-10-13 21:49                 ` Andy Lutomirski
2016-10-14  7:25                   ` Johannes Berg
2016-10-14  8:28                     ` Johannes Berg
2016-10-14  8:39                       ` Ard Biesheuvel
2016-10-14  8:41                         ` Ard Biesheuvel
2016-10-14  8:42                           ` Johannes Berg
2016-10-14  8:47                             ` Ard Biesheuvel
     [not found]                               ` <CAKv+Gu896xme5sd5i8hs7tA=Xt=qQKCiAx7fQg1ZECn50NttbQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-10-14  8:55                                 ` Johannes Berg [this message]
2016-10-14  8:55                                   ` Johannes Berg
2016-10-14  9:05                                   ` Ard Biesheuvel
2016-10-14  9:10                                     ` Johannes Berg
2016-10-14  9:21                                       ` Ard Biesheuvel
2016-10-14  9:25                                         ` Johannes Berg
2016-10-14  9:35                                           ` Ard Biesheuvel
2016-10-14 10:00                                             ` Johannes Berg
2016-10-14 11:11                                               ` Ard Biesheuvel
2016-10-14  8:53                     ` Johannes Berg
2016-10-14  8:39                   ` Sergey Senozhatsky
2016-10-14  8:45                     ` Johannes Berg

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1476435303.31114.14.camel@sipsolutions.net \
    --to=johannes-cdvu00un1vgdhxzaddlk8q@public.gmane.org \
    --cc=ard.biesheuvel-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org \
    --cc=davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org \
    --cc=herbert-lOAM2aK0SrRLBo1qDEOMRrpzq4S04n8Q@public.gmane.org \
    --cc=j@w1.fi \
    --cc=linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
    --cc=linux-next-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
    --cc=linux-wireless-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
    --cc=luto-kltTT9wpgjJwATOyAt5JVQ@public.gmane.org \
    --cc=netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
    --cc=sergey.senozhatsky-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org \
    --cc=sergey.senozhatsky.work-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org \
    --cc=sfr-3FnU+UHB4dNDw9hX6IcOSA@public.gmane.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.