diff options
Diffstat (limited to 'media/libstagefright/MPEG4Extractor.cpp')
| -rw-r--r-- | media/libstagefright/MPEG4Extractor.cpp | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/media/libstagefright/MPEG4Extractor.cpp b/media/libstagefright/MPEG4Extractor.cpp index 92065d1..72e5e3b 100644 --- a/media/libstagefright/MPEG4Extractor.cpp +++ b/media/libstagefright/MPEG4Extractor.cpp @@ -2153,6 +2153,12 @@ status_t MPEG4Extractor::parseMetaData(off64_t offset, size_t size) { mLastCommentName.setTo((const char *)buffer + 4); break; case FOURCC('d', 'a', 't', 'a'): + if (size < 8) { + delete[] buffer; + buffer = NULL; + ALOGE("b/24346430"); + return ERROR_MALFORMED; + } mLastCommentData.setTo((const char *)buffer + 8); break; } @@ -3293,7 +3299,10 @@ status_t MPEG4Source::read( (const uint8_t *)mBuffer->data() + mBuffer->range_offset(); size_t nal_size = parseNALSize(src); - if (mBuffer->range_length() < mNALLengthSize + nal_size) { + if (mNALLengthSize > SIZE_MAX - nal_size) { + ALOGE("b/24441553, b/24445122"); + } + if (mBuffer->range_length() - mNALLengthSize < nal_size) { ALOGE("incomplete NAL unit."); mBuffer->release(); @@ -3566,7 +3575,11 @@ status_t MPEG4Source::fragmentedRead( (const uint8_t *)mBuffer->data() + mBuffer->range_offset(); size_t nal_size = parseNALSize(src); - if (mBuffer->range_length() < mNALLengthSize + nal_size) { + if (mNALLengthSize > SIZE_MAX - nal_size) { + ALOGE("b/24441553, b/24445122"); + } + + if (mBuffer->range_length() - mNALLengthSize < nal_size) { ALOGE("incomplete NAL unit."); mBuffer->release(); |