1 files changed, 47 insertions, 0 deletions

diff --git a/meta/recipes-devtools/qemu/qemu/CVE-2020-12829_3.patch b/meta/recipes-devtools/qemu/qemu/CVE-2020-12829_3.patch
new file mode 100644
index 0000000000..c647028cfe
--- /dev/null
+++ b/meta/recipes-devtools/qemu/qemu/CVE-2020-12829_3.patch
@@ -0,0 +1,47 @@
+From 2824809b7f8f03ddc6e2b7e33e78c06022424298 Mon Sep 17 00:00:00 2001
+From: BALATON Zoltan <balaton@eik.bme.hu>
+Date: Thu, 21 May 2020 21:39:44 +0200
+Subject: [PATCH 3/5] sm501: Use BIT(x) macro to shorten constant
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
+Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
+Message-id: 124bf5de8d7cf503b32b377d0445029a76bfbd49.1590089984.git.balaton@eik.bme.hu
+Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
+
+Upstream-Status: Backport
+CVE: CVE-2020-12829 dep#3
+Signed-off-by: Armin Kuster <akuster@mvista.com>
+
+---
+ hw/display/sm501.c | 5 ++---
+ 1 file changed, 2 insertions(+), 3 deletions(-)
+
+diff --git a/hw/display/sm501.c b/hw/display/sm501.c
+index f42d05e1e4..97660090bb 100644
+--- a/hw/display/sm501.c
++++ b/hw/display/sm501.c
+@@ -701,7 +701,7 @@ static void sm501_2d_operation(SM501State *s)
+ {
+     /* obtain operation parameters */
+     int cmd = (s->twoD_control >> 16) & 0x1F;
+-    int rtl = s->twoD_control & 0x8000000;
++    int rtl = s->twoD_control & BIT(27);
+     int src_x = (s->twoD_source >> 16) & 0x01FFF;
+     int src_y = s->twoD_source & 0xFFFF;
+     int dst_x = (s->twoD_destination >> 16) & 0x01FFF;
+@@ -751,8 +751,7 @@ static void sm501_2d_operation(SM501State *s)
+         }
+     }
+ 
+-    if ((s->twoD_source_base & 0x08000000) ||
+-        (s->twoD_destination_base & 0x08000000)) {
++    if (s->twoD_source_base & BIT(27) || s->twoD_destination_base & BIT(27)) {
+         qemu_log_mask(LOG_UNIMP, "sm501: only local memory is supported.\n");
+         return;
+     }
+-- 
+2.25.1
+