qemu: patch hw/display/qxl.c, #1862

extra-emulation/qemu/autobuild/patches/CVE-2019-12155.patch

@@ -0,0 +1,24 @@
+Reported-by: Bugs SysSec <address@hidden>
+Signed-off-by: Prasad J Pandit <address@hidden>
+Message-id: address@hidden
+Signed-off-by: Gerd Hoffmann <address@hidden>
+---
+ hw/display/qxl.c | 3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git a/hw/display/qxl.c b/hw/display/qxl.c
+index c8ce5781e037..632923add239 100644
+--- a/hw/display/qxl.c
++++ b/hw/display/qxl.c
+@@ -777,6 +777,9 @@ static void interface_release_resource(QXLInstance *sin,
+     QXLReleaseRing *ring;
+     uint64_t *item, id;
+
++    if (!ext.info) {
++        return;
++    }
+     if (ext.group_id == MEMSLOT_GROUP_HOST) {
+         /* host group -> vga mode update request */
+         QXLCommandExt *cmdext = (void *)(intptr_t)(ext.info->id);
+-- 
+2.18.1

extra-emulation/qemu/spec

@@ -1,4 +1,4 @@
 VER=3.1.0
-REL=1
+REL=2
 SRCTBL="http://wiki.qemu-project.org/download/qemu-$VER.tar.bz2"
 CHKSUM="sha256::98fee0c86b299ebaf08587ba8df1dc8bb7152708d62937a0631875d95cc8d921"