[FFmpeg-devel] [PATCH]Avoid a null pointer dereference while probing stream

[Carl Eugen Hoyos]

Hi!

Found while testing ticket #2566.

Please comment, Carl Eugen
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diff --git a/libavformat/utils.c b/libavformat/utils.c
index 17dcb25..57bda72 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -2783,6 +2783,8 @@ int avformat_find_stream_info(AVFormatContext *ic, AVDictionary **options)
         } else {
             pkt = add_to_pktbuf(&ic->packet_buffer, &pkt1,
                                 &ic->packet_buffer_end);
+            if (!pkt)
+                return AVERROR(ENOMEM);
             if ((ret = av_dup_packet(pkt)) < 0)
                 goto find_stream_info_err;
         }