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| author | Marco Nelissen <marcone@google.com> | 2015-10-06 16:45:37 +0000 |
|---|---|---|
| committer | Android Git Automerger <android-git-automerger@android.com> | 2015-10-06 16:45:37 +0000 |
| commit | 00f5fa82d884c0ca41ee08e7a67ab54238109083 (patch) | |
| tree | 6a9e3a3858170313feea1a35924e3f6786bbab82 /media/libstagefright/MPEG4Extractor.cpp | |
| parent | 60b25aa0c173854593743dd85588c7449baf87c0 (diff) | |
| parent | 74d1927e4122a1748f89ca2ef79406fc06ee94b2 (diff) | |
| download | frameworks_av-00f5fa82d884c0ca41ee08e7a67ab54238109083.zip frameworks_av-00f5fa82d884c0ca41ee08e7a67ab54238109083.tar.gz frameworks_av-00f5fa82d884c0ca41ee08e7a67ab54238109083.tar.bz2 | |
am 74d1927e: Merge "Check NAL size before use" into klp-dev
* commit '74d1927e4122a1748f89ca2ef79406fc06ee94b2':
Check NAL size before use
Diffstat (limited to 'media/libstagefright/MPEG4Extractor.cpp')
| -rw-r--r-- | media/libstagefright/MPEG4Extractor.cpp | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/media/libstagefright/MPEG4Extractor.cpp b/media/libstagefright/MPEG4Extractor.cpp index 983f64f..7284d6a 100644 --- a/media/libstagefright/MPEG4Extractor.cpp +++ b/media/libstagefright/MPEG4Extractor.cpp @@ -3495,7 +3495,10 @@ 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(); @@ -3768,7 +3771,11 @@ 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(); |