Fixes: signed integer overflow: -9223372036854775808 - 9223372036854775807
cannot be represented in type 'long'
Fixes: Ticket8142
Found-by: Suhwan
Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
---
fftools/ffmpeg.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/fftools/ffmpeg.c b/fftools/ffmpeg.c
index a43f94bef6..e5fbd479a8 100644
--- a/fftools/ffmpeg.c
+++ b/fftools/ffmpeg.c
@@ -4225,7 +4225,8 @@ static int seek_to_start(InputFile *ifile,
AVFormatContext *is)
ifile->time_base = ist->st->time_base;
/* the total duration of the stream, max_pts - min_pts is
* the duration of the stream without the last frame */
- duration += ist->max_pts - ist->min_pts;
+ if (ist->max_pts > ist->min_pts && ist->max_pts -
(uint64_t)ist->min_pts < INT64_MAX - duration)
+ duration += ist->max_pts - ist->min_pts;
ifile->time_base = duration_max(duration, &ifile->duration,
ist->st->time_base,
ifile->time_base);
}
--
2.17.1
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