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From: Herbert Xu <herbert@gondor.apana.org.au>
To: Ard Biesheuvel <ardb@kernel.org>
Cc: Paul Menzel <pmenzel@molgen.mpg.de>,
	Caleb Jorden <caljorden@hotmail.com>,
	Sasha Levin <sashal@kernel.org>,
	iwd@lists.01.org, "# 3.4.x" <stable@vger.kernel.org>,
	Greg KH <gregkh@linuxfoundation.org>,
	LKML <linux-kernel@vger.kernel.org>,
	"David S. Miller" <davem@davemloft.net>,
	Linux Crypto Mailing List <linux-crypto@vger.kernel.org>
Subject: Re: Issue with iwd + Linux 5.8.3 + WPA Enterprise
Date: Wed, 26 Aug 2020 22:08:32 +1000	[thread overview]
Message-ID: <20200826120832.GA2996@gondor.apana.org.au> (raw)
In-Reply-To: <CAMj1kXGjytfJEbLMbz50it3okQfiLScHB5YK2FMqR5CsmFEBbg@mail.gmail.com>

On Wed, Aug 26, 2020 at 01:59:53PM +0200, Ard Biesheuvel wrote:
> On Wed, 26 Aug 2020 at 13:50, Herbert Xu <herbert@gondor.apana.org.au> wrote:
> >
> > On Wed, Aug 26, 2020 at 12:40:14PM +0200, Ard Biesheuvel wrote:
> > >
> > > It would be helpful if someone could explain for the non-mac80211
> > > enlightened readers how iwd's EAP-PEAPv0 + MSCHAPv2 support relies on
> > > the algif_aead socket interface, and which AEAD algorithms it uses. I
> > > assume this is part of libell?
> >
> > I see the problem.  libell/ell/checksum.c doesn't clear the MSG_MORE
> > flag before doing the recv(2).
> 
> But that code uses a hash not an aead, afaict.

Good point.  In that case can we please get a strace with a -s
option that's big enough to capture the crypto data?

Comparing the working strace and the non-working one should be
sufficient to identify the problem.

Thanks,
-- 
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt

  reply	other threads:[~2020-08-26 12:08 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20200826055150.2753.90553@ml01.vlan13.01.org>
2020-08-26  6:18 ` Issue with iwd + Linux 5.8.3 + WPA Enterprise Paul Menzel
2020-08-26 10:40   ` Ard Biesheuvel
2020-08-26 11:49     ` Herbert Xu
2020-08-26 11:59       ` Ard Biesheuvel
2020-08-26 12:08         ` Herbert Xu [this message]
2020-08-26 12:58           ` Andrew Zaborowski
2020-08-26 13:00             ` Herbert Xu
2020-08-26 13:57               ` Denis Kenzior
2020-08-26 14:19                 ` Herbert Xu
2020-08-26 15:25                   ` Denis Kenzior
2020-08-26 15:42                     ` Ard Biesheuvel
2020-08-26 22:19                       ` Herbert Xu
2020-08-27  6:40                         ` Ard Biesheuvel
2020-08-27  7:14                           ` [v2 PATCH] crypto: af_alg - Work around empty control messages without MSG_MORE Herbert Xu
2020-08-27  7:40                             ` Ard Biesheuvel
     [not found]                         ` <BL0PR11MB329980406FA0A14A8EF61A07B9550@BL0PR11MB3299.namprd11.prod.outlook.com>
2020-08-27  7:54                           ` Issue with iwd + Linux 5.8.3 + WPA Enterprise Ard Biesheuvel
2020-08-26 13:29             ` [PATCH] crypto: af_alg - Work around empty control messages without MSG_MORE Herbert Xu
2020-08-26 13:56               ` Ard Biesheuvel

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