commit e7a90c881237b9735c584dc37d8ad5125b5ea90c
author Venkatarama NG. Avadhani <venkatarama.avadhani@ittiam.com> Thu Mar 15 09:17:57 2018 +0530
committer android-build-team Robot <android-build-team-robot@google.com> Fri Jul 20 00:25:56 2018 +0000
tree d2f481cc11196bb83009e81fe5cd9a513e066dfb
parent cf501925814757e7ea1a352dff36a6f4d36e5346

Adding Check For Number of Skip MBs

Adding check for the value parsed into number of skip MBs. The skip MBs
function should be called only if the number of skip MBs is more than 0.

Bug: 74016277
Test: POC before/after
Change-Id: Iba1cc7b7e214efaeba510d180495a61105bf2125
(cherry picked from commit 414cd5db73a8cc3cd64bdad954475becffa40478)

decoder/impeg2d_pnb_pic.c

diff --git a/decoder/impeg2d_pnb_pic.c b/decoder/impeg2d_pnb_pic.c
index a3ae436..f7937a8 100644
--- a/decoder/impeg2d_pnb_pic.c
+++ b/decoder/impeg2d_pnb_pic.c
@@ -299,6 +299,11 @@
     {
         u2_mb_addr_incr = impeg2d_get_mb_addr_incr(ps_stream);
 
+        if(0 == u2_mb_addr_incr)
+        {
+            return IV_FAIL;
+        }
+
         if(ps_dec->u2_first_mb)
         {
             /****************************************************************/