Merge "MPEG4Extractor: check size for yrrc box" into lmp-dev am: d971d18873 am: 2ace148c06 am: 18a671762d am: 6ce4126a09 am: 040485c1bc

am: 6e5ef73033

Change-Id: I6d7aef658319bc6bbd43076d43788d2235dd14f6

media/libstagefright/MPEG4Extractor.cpp

@@ -2753,6 +2753,13 @@ status_t MPEG4Extractor::parse3GPPMetaData(off64_t offset, size_t size, int dept
         }
         case FOURCC('y', 'r', 'r', 'c'):
         {
+            if (size < 6) {
+                delete[] buffer;
+                buffer = NULL;
+                ALOGE("b/62133227");
+                android_errorWriteLog(0x534e4554, "62133227");
+                return ERROR_MALFORMED;
+            }
             char tmp[5];
             uint16_t year = U16_AT(&buffer[4]);
 
@@ -2775,6 +2782,8 @@ status_t MPEG4Extractor::parse3GPPMetaData(off64_t offset, size_t size, int dept
 
         // smallest possible valid UTF-16 string w BOM: 0xfe 0xff 0x00 0x00
         if (size < 6) {
+            delete[] buffer;
+            buffer = NULL;
             return ERROR_MALFORMED;
         }