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authorMichael Niedermayer <michaelni@gmx.at>2011-12-29 05:05:52 +0100
committerMichael Niedermayer <michaelni@gmx.at>2011-12-29 15:25:07 +0100
commitbf5cc805190b5811b786a454f01cccf9a7e366b9 (patch)
treeb830c5e5671918b246b111762dc384dc5017158d
parente7c1e38ba632f7315e332dd350b38f782f428884 (diff)
downloadffmpeg-bf5cc805190b5811b786a454f01cccf9a7e366b9.tar.gz
issdemux: Check packet_size for validity
Reviewed-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
-rw-r--r--libavformat/iss.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/libavformat/iss.c b/libavformat/iss.c
index 2bae3c1d7b..bbc8465b35 100644
--- a/libavformat/iss.c
+++ b/libavformat/iss.c
@@ -87,6 +87,11 @@ static av_cold int iss_read_header(AVFormatContext *s, AVFormatParameters *ap)
get_token(pb, token, sizeof(token)); //Version ID
get_token(pb, token, sizeof(token)); //Size
+ if (iss->packet_size <= 0) {
+ av_log(s, AV_LOG_ERROR, "packet_size %d is invalid\n", iss->packet_size);
+ return AVERROR_INVALIDDATA;
+ }
+
iss->sample_start_pos = avio_tell(pb);
st = avformat_new_stream(s, NULL);