Sumo refresh
Update external subtrees to latest Yocto sumo.
Change-Id: I8364f32bef079841c6e57f1c587f4b1bedf62fef
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/poky/meta/recipes-devtools/qemu/qemu/0013-ps2-check-PS2Queue-pointers-in-post_load-routine.patch b/poky/meta/recipes-devtools/qemu/qemu/0013-ps2-check-PS2Queue-pointers-in-post_load-routine.patch
new file mode 100644
index 0000000..d2bdf6b
--- /dev/null
+++ b/poky/meta/recipes-devtools/qemu/qemu/0013-ps2-check-PS2Queue-pointers-in-post_load-routine.patch
@@ -0,0 +1,60 @@
+From 065061dca34fa5b91be6dce9a87a8755d8826c78 Mon Sep 17 00:00:00 2001
+From: Prasad J Pandit <pjp@fedoraproject.org>
+Date: Thu, 16 Nov 2017 13:21:55 +0530
+Subject: [PATCH] ps2: check PS2Queue pointers in post_load routine
+
+During Qemu guest migration, a destination process invokes ps2
+post_load function. In that, if 'rptr' and 'count' values were
+invalid, it could lead to OOB access or infinite loop issue.
+Add check to avoid it.
+
+Reported-by: Cyrille Chatras <cyrille.chatras@orange.com>
+Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
+Message-id: 20171116075155.22378-1-ppandit@redhat.com
+Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
+
+CVE: CVE-2017-16845
+Upstream-Status: Backport
+Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
+---
+ hw/input/ps2.c | 21 +++++++++------------
+ 1 file changed, 9 insertions(+), 12 deletions(-)
+
+diff --git a/hw/input/ps2.c b/hw/input/ps2.c
+index f388a23..de171a2 100644
+--- a/hw/input/ps2.c
++++ b/hw/input/ps2.c
+@@ -1225,24 +1225,21 @@ static void ps2_common_reset(PS2State *s)
+ static void ps2_common_post_load(PS2State *s)
+ {
+ PS2Queue *q = &s->queue;
+- int size;
+- int i;
+- int tmp_data[PS2_QUEUE_SIZE];
++ uint8_t i, size;
++ uint8_t tmp_data[PS2_QUEUE_SIZE];
+
+ /* set the useful data buffer queue size, < PS2_QUEUE_SIZE */
+- size = q->count > PS2_QUEUE_SIZE ? 0 : q->count;
++ size = (q->count < 0 || q->count > PS2_QUEUE_SIZE) ? 0 : q->count;
+
+ /* move the queue elements to the start of data array */
+- if (size > 0) {
+- for (i = 0; i < size; i++) {
+- /* move the queue elements to the temporary buffer */
+- tmp_data[i] = q->data[q->rptr];
+- if (++q->rptr == 256) {
+- q->rptr = 0;
+- }
++ for (i = 0; i < size; i++) {
++ if (q->rptr < 0 || q->rptr >= sizeof(q->data)) {
++ q->rptr = 0;
+ }
+- memcpy(q->data, tmp_data, size);
++ tmp_data[i] = q->data[q->rptr++];
+ }
++ memcpy(q->data, tmp_data, size);
++
+ /* reset rptr/wptr/count */
+ q->rptr = 0;
+ q->wptr = size;