commit 182953b29972eb174f703eb3f0ceae39da9eb4eb
author Sarah Parker <sarahparker@google.com> Wed Oct 26 12:48:55 2016 -0700
committer James Zern <jzern@google.com> Thu Nov 03 22:58:47 2016 +0000
tree c50e124915ae966b8d8982988777bec32aaa3cae
parent 1b5bbf8e97f57d146e49e261ccc6a7afc16c0b81

rdopt,global-motion: Fix -1 indexing ubsan warning

Change-Id: I1b3caf3543ab385f39f5f253c9949ad89ea5af7d

av1/encoder/rdopt.c

diff --git a/av1/encoder/rdopt.c b/av1/encoder/rdopt.c
index 4922d61..a579a26 100644
--- a/av1/encoder/rdopt.c
+++ b/av1/encoder/rdopt.c
@@ -9424,7 +9424,10 @@
 #endif  // CONFIG_REF_MV
 #if CONFIG_GLOBAL_MOTION
     zeromv[0].as_int = cm->global_motion[refs[0]].motion_params.wmmat[0].as_int;
-    zeromv[1].as_int = cm->global_motion[refs[1]].motion_params.wmmat[0].as_int;
+    if (comp_pred_mode) {
+      zeromv[1].as_int =
+          cm->global_motion[refs[1]].motion_params.wmmat[0].as_int;
+    }
 #else
     zeromv[0].as_int = 0;
     zeromv[1].as_int = 0;