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| author | Luca Barbato <lu_zero@gentoo.org> | 2017-04-12 01:46:30 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-12-02 00:28:59 +0100 |
| commit | 66754f0a962ebb0323269fca4ac2e93643393777 (patch) | |
| tree | 28c97ffe740d2f3afbfec423029f8cccf7013b86 | |
| parent | a3bb922c4da1745fb6a12adc1b4e15e97794aaa6 (diff) | |
| download | ffmpeg-66754f0a962ebb0323269fca4ac2e93643393777.tar.gz | |
avformat: Free the internal codec context at the end
Avoid a use after free in avformat_find_stream_info.
(cherry picked from commit 9e4a5eb51b9f3b2bff0ef08e0074b7fe4893075d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavformat/utils.c | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/libavformat/utils.c b/libavformat/utils.c index fa64e5c188..1a098b6d88 100644 --- a/libavformat/utils.c +++ b/libavformat/utils.c @@ -3475,12 +3475,6 @@ int avformat_find_stream_info(AVFormatContext *ic, AVDictionary **options) } } - // close codecs which were opened in try_decode_frame() - for (i = 0; i < ic->nb_streams; i++) { - st = ic->streams[i]; - avcodec_close(st->codec); - } - ff_rfps_calculate(ic); for (i = 0; i < ic->nb_streams; i++) { @@ -3596,6 +3590,7 @@ find_stream_info_err: ic->streams[i]->codec->thread_count = 0; if (st->info) av_freep(&st->info->duration_error); + avcodec_close(st->codec); av_freep(&ic->streams[i]->info); } if (ic->pb) |