From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755315AbdBGQxT (ORCPT ); Tue, 7 Feb 2017 11:53:19 -0500 Received: from mout02.posteo.de ([185.67.36.142]:34109 "EHLO mout02.posteo.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754896AbdBGQxP (ORCPT ); Tue, 7 Feb 2017 11:53:15 -0500 X-Greylist: delayed 434 seconds by postgrey-1.27 at vger.kernel.org; Tue, 07 Feb 2017 11:53:15 EST From: Tobias Guggenmos To: Larry Finger Cc: Johannes Berg , Dmitry Osipenko , Chaoming Li , linux-wireless@vger.kernel.org, Linux Kernel Mailing List Subject: Re: rtlwifi: rtl8192c_common: "BUG: KASAN: slab-out-of-bounds" Date: Tue, 07 Feb 2017 17:45:47 +0100 Message-ID: <46454409.lUoPi3ZtJt@slartibartfas> User-Agent: KMail/5.3.3 (Linux/4.8.6-300.fc25.x86_64; KDE/5.29.0; x86_64; ; ) In-Reply-To: References: <1486376979.14226.9.camel@sipsolutions.net> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart3654023.x75vBVevz6"; micalg="pgp-sha256"; protocol="application/pgp-signature" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --nextPart3654023.x75vBVevz6 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Am Montag, 6. Februar 2017, 09:45:31 CET schrieb Larry Finger: > On 02/06/2017 04:29 AM, Johannes Berg wrote: > > On Sat, 2017-02-04 at 12:41 -0600, Larry Finger wrote: > >> On 02/04/2017 10:58 AM, Dmitry Osipenko wrote: > >>> Seems the problem is caused by rtl92c_dm_*() casting .priv to > >>> "struct > >>> rtl_pci_priv", while it is "struct rtl_usb_priv". > >> > >> Those routines are shared by rtl8192ce and rtl8192cu, thus we need to > >> make that > >> difference in cast to be immaterial. I think we need to move "struct > >> bt_coexist_info" to the beginning of both rtlpci_priv and > >> rtl_usb_priv. Then it > >> should not matter. > > > > I think you really should consider putting a struct rtl_common into > > that or something, and getting rid of all the casting that causes this > > problem to start with? > > The fix you suggest is prepared and will be submitted soon. As it is much > more invasive with ~150 insertions and ~160 deletions, I decided not to > have it be the one that is pushed to all stable kernels from 4.0 onward. > > Larry This is possibly related to the following Fedora Bug: https://bugzilla.redhat.com/show_bug.cgi?id=1391987 --nextPart3654023.x75vBVevz6 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part. Content-Transfer-Encoding: 7Bit -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQEcBAABCAAGBQJYmfm7AAoJEHWN/oaUcOECveQH/3YtI204WhAQc2HCAIfnsBjm a6BGPdR8jdnv9xt2h63srh/R4N0SNLgmFYHQjqr4G9CSn1TbLe+G0v9R/F6a2UBG /8h4z+7k81uXf7VpUUpFA4rCSdYz0LFEe9wsqY6v1FtQPyfpRPb7fZgZf4s1c5Di DYVV4P64bRiRQT+lf9k7+S3pqjQ1Tf2VHBAVun66J0zCinG0qc9tSegwxjGINsQp PeeyZh/og3tCiLYakUpCZjVWJL5HbtL06yFLRTm8kz0YYC4TdzrValU573pnCAKp LoxIA/MppDemzKzQbPH4RtTxESFTmgo09LgOD6RmU+FNy4lrrbGL1LKn0wsEQI0= =ZNPy -----END PGP SIGNATURE----- --nextPart3654023.x75vBVevz6--