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| author | Paul B Mahol <onemda@gmail.com> | 2015-09-23 19:07:48 +0200 |
|---|---|---|
| committer | Paul B Mahol <onemda@gmail.com> | 2015-09-23 19:10:13 +0200 |
| commit | 3441fef0f8bfcdfbad69b49b7fc526fcdb2185cd (patch) | |
| tree | 4d6891769eefc3e121c35f3d852e53dd66a1b832 /libavformat/brstm.c | |
| parent | 4af1f37682a74c9b0af7856db31d1c93aea5c345 (diff) | |
| download | ffmpeg-3441fef0f8bfcdfbad69b49b7fc526fcdb2185cd.tar.gz | |
avformat/brstm: fix overflow
Signed-off-by: Paul B Mahol <onemda@gmail.com>
Diffstat (limited to 'libavformat/brstm.c')
| -rw-r--r-- | libavformat/brstm.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libavformat/brstm.c b/libavformat/brstm.c index f2bc038840..a781163f95 100644 --- a/libavformat/brstm.c +++ b/libavformat/brstm.c @@ -389,6 +389,10 @@ static int read_packet(AVFormatContext *s, AVPacket *pkt) codec->codec_id == AV_CODEC_ID_ADPCM_THP_LE) { uint8_t *dst; + if (size > (INT_MAX - 32 - 4) || + (32 + 4 + size) > (INT_MAX / codec->channels) || + (32 + 4 + size) * codec->channels > INT_MAX - 8) + return AVERROR_INVALIDDATA; if (av_new_packet(pkt, 8 + (32 + 4 + size) * codec->channels) < 0) return AVERROR(ENOMEM); dst = pkt->data; |