1 files changed, 8 insertions, 1 deletions
diff --git a/media/libstagefright/mpeg2ts/ATSParser.cpp b/media/libstagefright/mpeg2ts/ATSParser.cpp
index e3c3e80..3ad3118 100644
--- a/media/libstagefright/mpeg2ts/ATSParser.cpp
+++ b/media/libstagefright/mpeg2ts/ATSParser.cpp
@@ -509,7 +509,7 @@ int64_t ATSParser::Program::recoverPTS(uint64_t PTS_33bit) {
         mLastRecoveredPTS = static_cast<int64_t>(PTS_33bit);
     } else {
         mLastRecoveredPTS = static_cast<int64_t>(
-                ((mLastRecoveredPTS - PTS_33bit + 0x100000000ll)
+                ((mLastRecoveredPTS - static_cast<int64_t>(PTS_33bit) + 0x100000000ll)
                 & 0xfffffffe00000000ull) | PTS_33bit);
         // We start from 0, but recovered PTS could be slightly below 0.
         // Clamp it to 0 as rest of the pipeline doesn't take negative pts.
@@ -1713,6 +1713,13 @@ bool ATSParser::PSISection::isCRCOkay() const {
     unsigned sectionLength = U16_AT(data + 1) & 0xfff;
     ALOGV("sectionLength %u, skip %u", sectionLength, mSkipBytes);
 
+
+    if(sectionLength < mSkipBytes) {
+        ALOGE("b/28333006");
+        android_errorWriteLog(0x534e4554, "28333006");
+        return false;
+    }
+
     // Skip the preceding field present when payload start indicator is on.
     sectionLength -= mSkipBytes;