Commit c10da30d authored by Michael Niedermayer's avatar Michael Niedermayer Committed by Luca Barbato

shorten: set invalid channels count to 0

Prevent the loop shorten_decode_close from writing and freeing out of
the array boundary.

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: default avatarLuca Barbato <>
parent 02055b6d
......@@ -341,6 +341,7 @@ static int read_header(ShortenContext *s)
s->channels = get_uint(s, CHANSIZE);
if (s->channels <= 0 || s->channels > MAX_CHANNELS) {
av_log(s->avctx, AV_LOG_ERROR, "too many channels: %d\n", s->channels);
s->channels = 0;
return -1;
s->avctx->channels = s->channels;
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