And properly reset the entries count when resetting the entries.
CC: libav-stable@libav.org
Bug-Id: 929
Bug-Id: CVE-2016-3062
avio_rb32(pb); // version + flags
entries = avio_rb32(pb);
- if (entries > (atom.size - 1) / MIN_DATA_ENTRY_BOX_SIZE + 1 ||
+ if (!entries ||
+ entries > (atom.size - 1) / MIN_DATA_ENTRY_BOX_SIZE + 1 ||
entries >= UINT_MAX / sizeof(*sc->drefs))
return AVERROR_INVALIDDATA;
+ sc->drefs_count = 0;
av_free(sc->drefs);
sc->drefs = av_mallocz(entries * sizeof(*sc->drefs));
if (!sc->drefs)