1 files changed, 50 insertions, 0 deletions

diff --git a/meta/recipes-devtools/qemu/qemu/CVE-2020-15469-7.patch b/meta/recipes-devtools/qemu/qemu/CVE-2020-15469-7.patch
new file mode 100644
index 0000000000..7d8ec32251
--- /dev/null
+++ b/meta/recipes-devtools/qemu/qemu/CVE-2020-15469-7.patch
@@ -0,0 +1,50 @@
+From 2c9fb3b784000c1df32231e1c2464bb2e3fc4620 Mon Sep 17 00:00:00 2001
+From: Prasad J Pandit <pjp@fedoraproject.org>
+Date: Tue, 11 Aug 2020 17:11:31 +0530
+Subject: [PATCH] tz-ppc: add dummy read/write methods
+
+Add tz-ppc-dummy mmio read/write methods to avoid assert failure
+during initialisation.
+
+Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
+Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
+Reviewed-by: Li Qiang <liq3ea@gmail.com>
+Message-Id: <20200811114133.672647-8-ppandit@redhat.com>
+Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
+
+CVE: CVE-2020-15469
+Upstream-Status: Backport [import from ubuntu https://git.launchpad.net/ubuntu/+source/qemu/tree/debian/patches/CVE-2020-15469-7.patch?h=ubuntu/focal-security Upstream commit https://github.com/qemu/qemu/commit/2c9fb3b784000c1df32231e1c2464bb2e3fc4620 ]
+Signed-off-by: Chee Yang Lee <chee.yang.lee@intel.com>
+---
+ hw/misc/tz-ppc.c | 14 ++++++++++++++
+ 1 file changed, 14 insertions(+)
+
+diff --git a/hw/misc/tz-ppc.c b/hw/misc/tz-ppc.c
+index 6431257..36495c6 100644
+--- a/hw/misc/tz-ppc.c
++++ b/hw/misc/tz-ppc.c
+@@ -196,7 +196,21 @@ static bool tz_ppc_dummy_accepts(void *opaque, hwaddr addr,
+     g_assert_not_reached();
+ }
+ 
++static uint64_t tz_ppc_dummy_read(void *opaque, hwaddr addr, unsigned size)
++{
++    g_assert_not_reached();
++}
++
++static void tz_ppc_dummy_write(void *opaque, hwaddr addr,
++                                        uint64_t data, unsigned size)
++{
++    g_assert_not_reached();
++}
++
+ static const MemoryRegionOps tz_ppc_dummy_ops = {
++    /* define r/w methods to avoid assert failure in memory_region_init_io */
++    .read = tz_ppc_dummy_read,
++    .write = tz_ppc_dummy_write,
+     .valid.accepts = tz_ppc_dummy_accepts,
+ };
+ 
+-- 
+1.8.3.1
+