Decoder: Increased allocation and added checks in sei parsing.
This prevents heap overflow while parsing sei_message.
Bug: 63122634
Test: ran PoC on unpatched/patched
Change-Id: I61c1ff4ac053a060be8c24da4671db985cac628c
diff --git a/decoder/ih264d_defs.h b/decoder/ih264d_defs.h
index 0682339..d6e3029 100644
--- a/decoder/ih264d_defs.h
+++ b/decoder/ih264d_defs.h
@@ -107,6 +107,9 @@
/* For 420SP */
#define YUV420SP_FACTOR 2
+/*To prevent buffer overflow access; in case the size of nal unit is
+ * greater than the allocated buffer size*/
+#define EXTRA_BS_OFFSET 16*16*2
/**
***************************************************************************