Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751813AbdFGMhI (ORCPT ); Wed, 7 Jun 2017 08:37:08 -0400 Received: from mail.crc.id.au ([203.56.246.92]:38714 "EHLO mail.crc.id.au" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751484AbdFGMhH (ORCPT ); Wed, 7 Jun 2017 08:37:07 -0400 From: Steven Haigh To: xen-devel@lists.xen.org Cc: Juergen Gross , linux-kernel@vger.kernel.org, xen-devel@lists.xenproject.org, roger.pau@citrix.com Subject: Re: [PATCH v2 0/3] xen/blkback: several fixes of resource management Date: Wed, 07 Jun 2017 22:36:58 +1000 Message-ID: <1519306.ELMa8d1Tnk@dhcp-10-1-1-124.lan.crc.id.au> In-Reply-To: <20170518152849.1872-1-jgross@suse.com> References: <20170518152849.1872-1-jgross@suse.com> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart6176287.oZBRBJ5Gm9"; micalg="pgp-sha256"; protocol="application/pgp-signature" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2531 Lines: 64 --nextPart6176287.oZBRBJ5Gm9 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" On Friday, 19 May 2017 1:28:46 AM AEST Juergen Gross wrote: > Destroying a Xen guest domain while it was doing I/Os via xen-blkback > leaked several resources, including references of the guest's memory > pages. >=20 > This patch series addresses those leaks by correcting usage of > reference counts and the sequence when to free which resource. >=20 > The series applies on top of commit 2d4456c73a487abe ("block: > xen-blkback: add null check to avoid null pointer dereference") in > Jens Axboe's tree kernel/git/axboe/linux-block.git >=20 > V2: changed flag to type bool in patch 1 (Dietmar Hahn) >=20 > Juergen Gross (3): > xen/blkback: fix disconnect while I/Os in flight > xen/blkback: don't free be structure too early > xen/blkback: don't use xen_blkif_get() in xen-blkback kthread >=20 > drivers/block/xen-blkback/blkback.c | 3 --- > drivers/block/xen-blkback/common.h | 1 + > drivers/block/xen-blkback/xenbus.c | 15 ++++++++------- > 3 files changed, 9 insertions(+), 10 deletions(-) Just wanted to give this a bit of a prod. Is there any plans in having this hit the kernel.org kernels? My testing was purely on kernel 4.9 branch - but it doesn't look like this = has=20 shown up there yet? =2D-=20 Steven Haigh =F0=9F=93=A7 netwiz@crc.id.au =F0=9F=92=BB http://www.crc.id.au =F0=9F=93=9E +61 (3) 9001 6090 =F0=9F=93=B1 0412 935 897 --nextPart6176287.oZBRBJ5Gm9 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part. Content-Transfer-Encoding: 7Bit -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEFHf0gfgNrH6ofcYGQa811Xp9MdwFAlk382oACgkQQa811Xp9 MdznIg//euUAJYa/IJpL/1iGKdfFf24iZ6NMmSsufcvwIChFYLfP5/NLZSn3mKFT BIMi94n0WytHJ97LNgwaXam4a5MqakUfcn4Hek5k0yojMjLlGrr8uqbE9RTzJnfk 71bwbUmcs6cbA0/BHT5BnTu006+dM/LJWC3Uognw5l1mtwmdPi7Dlqbw4YjnAnW9 DnX7bn1Te/4CfPA3AW3J5YTbWH+1/roM4JErDbMevALDvH+8C+Mznx0fIq1YGWHX KwcFjDHcW68mJ+QJVgIbGbz2IZbgN97I+N4oMg49pVKF0IIqvJuj6PwTU3ke3g3u aJ8dveOk1VF93k4Wrrw6D89wR2mOU80NPKCBn7mZhnbuENmQ7yCgmQRCu+CMlqQk W96Jnzdgm/4fUq7cNB7i8ongPR+9FIRY3kVAlZJP53sdcOJOWUkJBBb3McIhEMF/ /zbpVYI3fz3aP5LIWVwLEegCtxfVjKGU+XgH4TBNNiej0fhl7GOPEDtc8r9pPuea i+yw1hxNhFuUJvpLYhdyLHHZqLqZbhWsRLAg3+4efB2afCcwKx+MIfgEZ03uLtMi wSYV59q0J/pImyfb5RAuwAn7ZpZCBgGvio0cMkNXpmfyW5WAW3X34gecYDwjU5Hw Az857NEqY1gK8cY02g644oXYzuZ65tFZRp94zWUGr+weUoJYJoI= =OCih -----END PGP SIGNATURE----- --nextPart6176287.oZBRBJ5Gm9--