[FFmpeg-devel] [PATCH v2 8/8] avformat/wc3movie: fix memleak when read content size not equvipe input size

Steven Liu lq at chinaffmpeg.org
Thu Oct 10 05:07:56 EEST 2019


Signed-off-by: Steven Liu <lq at chinaffmpeg.org>
---
 libavformat/wc3movie.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/libavformat/wc3movie.c b/libavformat/wc3movie.c
index 27f5eb1962..6577007777 100644
--- a/libavformat/wc3movie.c
+++ b/libavformat/wc3movie.c
@@ -130,8 +130,10 @@ static int wc3_read_header(AVFormatContext *s)
             buffer = av_malloc(size+1);
             if (!buffer)
                 return AVERROR(ENOMEM);
-            if ((ret = avio_read(pb, buffer, size)) != size)
+            if ((ret = avio_read(pb, buffer, size)) != size) {
+                av_freep(&buffer);
                 return AVERROR(EIO);
+            }
             buffer[size] = 0;
             av_dict_set(&s->metadata, "title", buffer,
                                    AV_DICT_DONT_STRDUP_VAL);
-- 
2.15.1





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