gnu: qemu: Fix CVE-2017-5525, CVE-2017-5526.

* gnu/packages/qemu.scm (qemu)[source]: Add patches.
* gnu/packages/patches/qemu-CVE-2017-5525.patch,
gnu/packages/patches/qemu-CVE-2017-5526.patch: New files.
* gnu/local.mk (dist_patch_DATA): Register them.

gnu/local.mk

@@ -852,6 +852,8 @@ dist_patch_DATA =						\
   %D%/packages/patches/python-pycrypto-CVE-2013-7459.patch	\
   %D%/packages/patches/python2-pygobject-2-gi-info-type-error-domain.patch \
   %D%/packages/patches/python-pygpgme-fix-pinentry-tests.patch	\
+  %D%/packages/patches/qemu-CVE-2017-5525.patch			\
+  %D%/packages/patches/qemu-CVE-2017-5526.patch			\
   %D%/packages/patches/qt4-ldflags.patch			\
   %D%/packages/patches/quickswitch-fix-dmenu-check.patch	\
   %D%/packages/patches/rapicorn-isnan.patch			\

gnu/packages/patches/qemu-CVE-2017-5525.patch

@@ -0,0 +1,55 @@
+From 12351a91da97b414eec8cdb09f1d9f41e535a401 Mon Sep 17 00:00:00 2001
+From: Li Qiang <liqiang6-s@360.cn>
+Date: Wed, 14 Dec 2016 18:30:21 -0800
+Subject: [PATCH] audio: ac97: add exit function
+MIME-Version: 1.0
+Content-Type: text/plain; charset=utf8
+Content-Transfer-Encoding: 8bit
+
+http://git.qemu.org/?p=qemu.git;a=patch;h=12351a91da97b414eec8cdb09f1d9f41e535a401
+this patch is from qemu-git
+
+Currently the ac97 device emulation doesn't have a exit function,
+hot unplug this device will leak some memory. Add a exit function to
+avoid this.
+
+Signed-off-by: Li Qiang <liqiang6-s@360.cn>
+Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
+Message-id: 58520052.4825ed0a.27a71.6cae@mx.google.com
+Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
+---
+ hw/audio/ac97.c |   11 +++++++++++
+ 1 files changed, 11 insertions(+), 0 deletions(-)
+
+diff --git a/hw/audio/ac97.c b/hw/audio/ac97.c
+index cbd959e..c306575 100644
+--- a/hw/audio/ac97.c
++++ b/hw/audio/ac97.c
+@@ -1387,6 +1387,16 @@ static void ac97_realize(PCIDevice *dev, Error **errp)
+     ac97_on_reset (&s->dev.qdev);
+ }
+ 
++static void ac97_exit(PCIDevice *dev)
++{
++    AC97LinkState *s = DO_UPCAST(AC97LinkState, dev, dev);
++
++    AUD_close_in(&s->card, s->voice_pi);
++    AUD_close_out(&s->card, s->voice_po);
++    AUD_close_in(&s->card, s->voice_mc);
++    AUD_remove_card(&s->card);
++}
++
+ static int ac97_init (PCIBus *bus)
+ {
+     pci_create_simple (bus, -1, "AC97");
+@@ -1404,6 +1414,7 @@ static void ac97_class_init (ObjectClass *klass, void *data)
+     PCIDeviceClass *k = PCI_DEVICE_CLASS (klass);
+ 
+     k->realize = ac97_realize;
++    k->exit = ac97_exit;
+     k->vendor_id = PCI_VENDOR_ID_INTEL;
+     k->device_id = PCI_DEVICE_ID_INTEL_82801AA_5;
+     k->revision = 0x01;
+-- 
+1.7.0.4
+

gnu/packages/patches/qemu-CVE-2017-5526.patch

@@ -0,0 +1,58 @@
+From 069eb7b2b8fc47c7cb52e5a4af23ea98d939e3da Mon Sep 17 00:00:00 2001
+From: Li Qiang <liqiang6-s@360.cn>
+Date: Wed, 14 Dec 2016 18:32:22 -0800
+Subject: [PATCH] audio: es1370: add exit function
+MIME-Version: 1.0
+Content-Type: text/plain; charset=utf8
+Content-Transfer-Encoding: 8bit
+
+http://git.qemu.org/?p=qemu.git;a=patch;h=069eb7b2b8fc47c7cb52e5a4af23ea98d939e3da
+this patch is from qemu-git.
+
+Currently the es1370 device emulation doesn't have a exit function,
+hot unplug this device will leak some memory. Add a exit function to
+avoid this.
+
+Signed-off-by: Li Qiang <liqiang6-s@360.cn>
+Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
+Message-id: 585200c9.a968ca0a.1ab80.4c98@mx.google.com
+Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
+---
+ hw/audio/es1370.c |   14 ++++++++++++++
+ 1 files changed, 14 insertions(+), 0 deletions(-)
+
+diff --git a/hw/audio/es1370.c b/hw/audio/es1370.c
+index 8449b5f..883ec69 100644
+--- a/hw/audio/es1370.c
++++ b/hw/audio/es1370.c
+@@ -1041,6 +1041,19 @@ static void es1370_realize(PCIDevice *dev, Error **errp)
+     es1370_reset (s);
+ }
+ 
++static void es1370_exit(PCIDevice *dev)
++{
++    ES1370State *s = ES1370(dev);
++    int i;
++
++    for (i = 0; i < 2; ++i) {
++        AUD_close_out(&s->card, s->dac_voice[i]);
++    }
++
++    AUD_close_in(&s->card, s->adc_voice);
++    AUD_remove_card(&s->card);
++}
++
+ static int es1370_init (PCIBus *bus)
+ {
+     pci_create_simple (bus, -1, TYPE_ES1370);
+@@ -1053,6 +1066,7 @@ static void es1370_class_init (ObjectClass *klass, void *data)
+     PCIDeviceClass *k = PCI_DEVICE_CLASS (klass);
+ 
+     k->realize = es1370_realize;
++    k->exit = es1370_exit;
+     k->vendor_id = PCI_VENDOR_ID_ENSONIQ;
+     k->device_id = PCI_DEVICE_ID_ENSONIQ_ES1370;
+     k->class_id = PCI_CLASS_MULTIMEDIA_AUDIO;
+-- 
+1.7.0.4
+

gnu/packages/qemu.scm

@@ -1,7 +1,7 @@
 ;;; GNU Guix --- Functional package management for GNU
 ;;; Copyright © 2013, 2014, 2015, 2016 Ludovic Courtès <ludo@gnu.org>
 ;;; Copyright © 2015, 2016, 2017 Mark H Weaver <mhw@netris.org>
-;;; Copyright © 2016 Efraim Flashner <efraim@flashner.co.il>
+;;; Copyright © 2016, 2017 Efraim Flashner <efraim@flashner.co.il>
 ;;; Copyright © 2016 Ricardo Wurmus <rekado@elephly.net>
 ;;;
 ;;; This file is part of GNU Guix.
@@ -76,7 +76,9 @@ (define-public qemu
                                  version ".tar.bz2"))
              (sha256
               (base32
-               "0qjy3rcrn89n42y5iz60kgr0rrl29hpnj8mq2yvbc1wrcizmvzfs"))))
+               "0qjy3rcrn89n42y5iz60kgr0rrl29hpnj8mq2yvbc1wrcizmvzfs"))
+             (patches (search-patches "qemu-CVE-2017-5525.patch"
+                                      "qemu-CVE-2017-5526.patch"))))
     (build-system gnu-build-system)
     (arguments
      '(;; Running tests in parallel can occasionally lead to failures, like: