[FFmpeg-devel] [PATCH 1/3] avformat/concatdec: Check file variable before dereferencing
Ganesh Ajjanagadde
gajjanag at mit.edu
Thu Sep 3 17:09:26 CEST 2015
On Thu, Sep 3, 2015 at 6:03 AM, Michael Niedermayer <michaelni at gmx.at> wrote:
> From: Michael Niedermayer <michael at niedermayer.cc>
>
> Fixes CID1322328
>
> Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
> ---
> libavformat/concatdec.c | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/libavformat/concatdec.c b/libavformat/concatdec.c
> index 969b001..88b6dbe 100644
> --- a/libavformat/concatdec.c
> +++ b/libavformat/concatdec.c
> @@ -394,6 +394,11 @@ static int concat_read_header(AVFormatContext *avf)
> av_log(avf, AV_LOG_ERROR, "Line %d: packet metadata required\n", line);
> FAIL(AVERROR_INVALIDDATA);
> }
> + if (!file) {
> + av_log(avf, AV_LOG_ERROR, "Line %d: %s without file\n",
> + line, keyword);
> + FAIL(AVERROR_INVALIDDATA);
> + }
> if ((ret = av_dict_parse_string(&file->metadata, metadata, "=", "", 0)) < 0) {
> av_log(avf, AV_LOG_ERROR, "Line %d: failed to parse metadata string\n", line);
> av_freep(&metadata);
> --
> 1.7.9.5
LGTM
>
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