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Code Issues Releases Activity

avformat/movenc: Avoid integer overflow

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Fixes: CID1361947

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2016-05-29 03:51:42 +02:00
parent 1a82d2cf8f
commit 17d320800b
1 changed files with 5 additions and 1 deletions
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6
libavformat/movenc.c
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@ -2454,7 +2454,11 @@ static int mov_write_tkhd_tag(AVIOContext *pb, MOVMuxContext *mov,
if (!track_width_1616 ||
track->height != track->par->height ||
track_width_1616 > UINT32_MAX)
track_width_1616 = track->par->width * 0x10000U;
track_width_1616 = track->par->width * 0x10000ULL;
if (track_width_1616 > UINT32_MAX) {
av_log(mov->fc, AV_LOG_WARNING, "track width too large\n");
track_width_1616 = 0;
}
avio_wb32(pb, track_width_1616);
avio_wb32(pb, track->height * 0x10000U);
}