commit 2a6a8bb3babf9d314e7a5e10686540211f604007
author Satish Kumar Suman <satish.suman@ittiam.com> Thu Jan 31 09:47:58 2019 +0530
committer Satish Kumar Suman <satish.suman@ittiam.com> Thu Jan 31 09:47:58 2019 +0530
tree c0f69bb99d0c4174b524bc132846ef57d62fce3c
parent 625cded0550bb79efd10d98a9809a7ccd72a8f60

Fix crash issue of oss-fuzz stream for frame padding

This patch returns an error if IntraBC block MV is invalid.
As per the standard, MV of IntraBC block can not exceed
beyond frame boundary.

Change-Id: If382bb062687bc72f1aa746969b15261d243cfa9

av1/decoder/decodemv.c

diff --git a/av1/decoder/decodemv.c b/av1/decoder/decodemv.c
index d16efb9..b7431f2 100644
--- a/av1/decoder/decodemv.c
+++ b/av1/decoder/decodemv.c
@@ -699,7 +699,8 @@
                                      mi_col, bsize, r);
     if (!valid_dv) {
       // Intra bc motion vectors are not valid - signal corrupt frame
-      aom_merge_corrupted_flag(&xd->corrupted, 1);
+      aom_internal_error(xd->error_info, AOM_CODEC_CORRUPT_FRAME,
+                         "Invalid intrabc dv");
     }
   }
 }