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author | Michael Niedermayer <michael@niedermayer.cc> | 2015-09-03 02:49:44 +0200 |
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committer | Michael Niedermayer <michael@niedermayer.cc> | 2015-12-06 12:40:48 +0100 |
commit | e5c9396a029322b1a43e24b6dbe1cb2ec76bf0f1 (patch) | |
tree | a1fcb27983edbbc22947b96e430e1244749980a0 | |
parent | 6f08086992c3fad68fbaca03b0ca2a42f0ad0d67 (diff) | |
download | ffmpeg-e5c9396a029322b1a43e24b6dbe1cb2ec76bf0f1.tar.gz |
avformat/dump: Fix integer overflow in aspect ratio calculation
Fixes: unknown_unknown_19e_414_cov_764838672_bellhamlam.mov
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit d1bdaf3fb2c45020f72a378bb64eab1bf136581c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
-rw-r--r-- | libavformat/dump.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libavformat/dump.c b/libavformat/dump.c index 3a7adbe014..c4434b3e0b 100644 --- a/libavformat/dump.c +++ b/libavformat/dump.c @@ -363,8 +363,8 @@ static void dump_stream_format(AVFormatContext *ic, int i, av_cmp_q(st->sample_aspect_ratio, st->codec->sample_aspect_ratio)) { AVRational display_aspect_ratio; av_reduce(&display_aspect_ratio.num, &display_aspect_ratio.den, - st->codec->width * st->sample_aspect_ratio.num, - st->codec->height * st->sample_aspect_ratio.den, + st->codec->width * (int64_t)st->sample_aspect_ratio.num, + st->codec->height * (int64_t)st->sample_aspect_ratio.den, 1024 * 1024); av_log(NULL, AV_LOG_INFO, ", SAR %d:%d DAR %d:%d", st->sample_aspect_ratio.num, st->sample_aspect_ratio.den, |