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r3d: Add more input value validation

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Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Martin Storsjö 2013-09-19 17:02:36 +03:00
parent 3ca14aa596
commit d8798276b6
1 changed files with 5 additions and 1 deletions
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6
libavformat/r3d.c
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@ -85,7 +85,7 @@ static int r3d_read_red1(AVFormatContext *s)
framerate.num = avio_rb16(s->pb);
framerate.den = avio_rb16(s->pb);
if (framerate.num && framerate.den) {
if (framerate.num > 0 && framerate.den > 0) {
st->avg_frame_rate = framerate;
}
@ -281,6 +281,10 @@ static int r3d_read_reda(AVFormatContext *s, AVPacket *pkt, Atom *atom)
dts = avio_rb32(s->pb);
st->codec->sample_rate = avio_rb32(s->pb);
if (st->codec->sample_rate <= 0) {
av_log(s, AV_LOG_ERROR, "Bad sample rate\n");
return AVERROR_INVALIDDATA;
}
samples = avio_rb32(s->pb);