diff options
| -rw-r--r-- | libavformat/riff.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/libavformat/riff.c b/libavformat/riff.c index 74f384d268..59dd5df711 100644 --- a/libavformat/riff.c +++ b/libavformat/riff.c @@ -701,8 +701,13 @@ int ff_read_riff_info(AVFormatContext *s, int64_t size) chunk_code = avio_rl32(pb); chunk_size = avio_rl32(pb); if (chunk_size > end || end - chunk_size < cur || chunk_size == UINT_MAX) { - av_log(s, AV_LOG_ERROR, "too big INFO subchunk\n"); - return AVERROR_INVALIDDATA; + avio_seek(pb, -9, SEEK_CUR); + chunk_code = avio_rl32(pb); + chunk_size = avio_rl32(pb); + if (chunk_size > end || end - chunk_size < cur || chunk_size == UINT_MAX) { + av_log(s, AV_LOG_ERROR, "too big INFO subchunk\n"); + return AVERROR_INVALIDDATA; + } } chunk_size += (chunk_size & 1); |