Commit 5268bd29 authored by Luca Barbato's avatar Luca Barbato
Browse files

segafilm: Error out on impossible packet size

Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
parent 3562684d
......@@ -214,6 +214,8 @@ static int film_read_header(AVFormatContext *s)
film->sample_table[i].sample_offset =
data_offset + AV_RB32(&scratch[0]);
film->sample_table[i].sample_size = AV_RB32(&scratch[4]);
if (film->sample_table[i].sample_size > INT_MAX / 4)
return AVERROR_INVALIDDATA;
if (AV_RB32(&scratch[8]) == 0xFFFFFFFF) {
film->sample_table[i].stream = film->audio_stream_index;
film->sample_table[i].pts = audio_frame_counter;
......
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