[FFmpeg-devel] [PATCH 1/2] avformat/utils: avoid unsigned integer overflows
Paul B Mahol
onemda at gmail.com
Sat Feb 15 15:55:09 EET 2020
Signed-off-by: Paul B Mahol <onemda at gmail.com>
---
libavformat/utils.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/libavformat/utils.c b/libavformat/utils.c
index 81ea239a66..ba2621aa28 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -4450,10 +4450,12 @@ void avformat_free_context(AVFormatContext *s)
if (s->oformat && s->oformat->priv_class && s->priv_data)
av_opt_free(s->priv_data);
+ if (s->nb_streams)
for (i = s->nb_streams - 1; i >= 0; i--)
ff_free_stream(s, s->streams[i]);
+ if (s->nb_programs)
for (i = s->nb_programs - 1; i >= 0; i--) {
av_dict_free(&s->programs[i]->metadata);
av_freep(&s->programs[i]->stream_index);
--
2.17.1
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