int64_t stream_size = avio_size(pb);
int64_t offset = av_sat_add64(avio_tell(pb), atom.size), pts, timestamp;
uint8_t version, is_complete;
+ int64_t offadd;
unsigned i, j, track_id, item_count;
AVStream *st = NULL;
AVStream *ref_st = NULL;
if (version == 0) {
pts = avio_rb32(pb);
- offset += avio_rb32(pb);
+ offadd= avio_rb32(pb);
} else {
pts = avio_rb64(pb);
- offset += avio_rb64(pb);
+ offadd= avio_rb64(pb);
}
+ if (av_sat_add64(offset, offadd) != offset + (uint64_t)offadd)
+ return AVERROR_INVALIDDATA;
+
+ offset += (uint64_t)offadd;
avio_rb16(pb); // reserved
if (frag_stream_info)
frag_stream_info->sidx_pts = timestamp;
+ if (av_sat_add64(offset, size) != offset + size)
+ return AVERROR_INVALIDDATA;
offset += size;
pts += duration;
}