ffmpeg | branch: release/3.1 | Paul B Mahol <one...@gmail.com> | Mon Nov 27 16:32:54 2017 +0100| [7653e8db4deb063ffbbfb9c14ed60f9bb56acff0] | committer: Carl Eugen Hoyos
avfilter/af_silenceremove: fix possible crash if supplied duration is negative Signed-off-by: Paul B Mahol <one...@gmail.com> Fixes ticket #7697. (cherry picked from commit 2d1594a8d6a754a426cb53184dccf9cf8c8a94b0) > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=7653e8db4deb063ffbbfb9c14ed60f9bb56acff0 --- libavfilter/af_silenceremove.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/libavfilter/af_silenceremove.c b/libavfilter/af_silenceremove.c index f156d1883d..3d3651a76f 100644 --- a/libavfilter/af_silenceremove.c +++ b/libavfilter/af_silenceremove.c @@ -186,8 +186,17 @@ static int config_input(AVFilterLink *inlink) s->start_duration = av_rescale(s->start_duration, inlink->sample_rate, AV_TIME_BASE); + if (s->start_duration < 0) { + av_log(ctx, AV_LOG_WARNING, "start duration must be non-negative\n"); + s->start_duration = -s->start_duration; + } + s->stop_duration = av_rescale(s->stop_duration, inlink->sample_rate, AV_TIME_BASE); + if (s->stop_duration < 0) { + av_log(ctx, AV_LOG_WARNING, "stop duration must be non-negative\n"); + s->stop_duration = -s->stop_duration; + } s->start_holdoff = av_malloc_array(FFMAX(s->start_duration, 1), sizeof(*s->start_holdoff) * _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
