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| author | James Almer <jamrial@gmail.com> | 2018-03-06 01:19:13 -0300 |
|---|---|---|
| committer | James Almer <jamrial@gmail.com> | 2018-03-06 19:13:12 -0300 |
| commit | 0ca33b1d4eb2a2a2e78ff3a37f1647917635b0d2 (patch) | |
| tree | c57d973553b0c4d81e6ed96f7ee6db0c61c29afe | |
| parent | b19e11a4dc836f4fe87d3e3c25eb5cc4f6f4b447 (diff) | |
| download | ffmpeg-0ca33b1d4eb2a2a2e78ff3a37f1647917635b0d2.tar.gz | |
avformat/utils: free existing extradata before trying to allocate a new one
This prevents leaks in the rare cases the function is called when extradata
already exists.
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>
| -rw-r--r-- | libavformat/utils.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/libavformat/utils.c b/libavformat/utils.c index 72531d4185..31340a484b 100644 --- a/libavformat/utils.c +++ b/libavformat/utils.c @@ -3245,6 +3245,7 @@ int ff_alloc_extradata(AVCodecParameters *par, int size) { int ret; + av_freep(&par->extradata); if (size < 0 || size >= INT32_MAX - AV_INPUT_BUFFER_PADDING_SIZE) { par->extradata = NULL; par->extradata_size = 0; |