[FFmpeg-devel] [PATCH] avformat/utils: fix memory leak in avformat_free_context

Michael Niedermayer michael at niedermayer.cc
Sun Aug 6 00:08:34 EEST 2017


On Thu, Aug 03, 2017 at 09:29:37AM -0700, Steven Siloti wrote:
> On Mon, Jul 31, 2017 at 11:08 AM, Steven Siloti <ssiloti at bittorrent.com>
> wrote:
> 
> > The pointer to the packet queue is stored in the internal structure
> > so the queue needs to be flushed before internal is freed.
> >
> > Signed-off-by: Steven Siloti <ssiloti at bittorrent.com>
> > ---
> >  libavformat/utils.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/libavformat/utils.c b/libavformat/utils.c
> > index 38d247c6cd..58283616dc 100644
> > --- a/libavformat/utils.c
> > +++ b/libavformat/utils.c
> > @@ -4333,8 +4333,8 @@ void avformat_free_context(AVFormatContext *s)
> >      av_dict_free(&s->metadata);
> >      av_dict_free(&s->internal->id3v2_meta);
> >      av_freep(&s->streams);
> > -    av_freep(&s->internal);
> >      flush_packet_queue(s);
> > +    av_freep(&s->internal);
> >      av_free(s);
> >  }
> >
> > --
> > 2.13.0.windows.1
> >
> > Is there something wrong with this patch? It seems like a straightforward
> fix to me. Perhaps you would prefer it as an attachment. If so, attached.

>  utils.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> dcd295b47267244aa767fa9cace848bde36e1043  0001-avformat-utils-fix-memory-leak-in-avformat_free_cont.patch
> From 5ec9a446fdc5874d859f3a9d92a0b5d9f82583aa Mon Sep 17 00:00:00 2001
> From: Steven Siloti <ssiloti at bittorrent.com>
> Date: Tue, 18 Jul 2017 11:26:39 -0700
> Subject: [PATCH] avformat/utils: fix memory leak in avformat_free_context
> 
> The pointer to the packet queue is stored in the internal structure
> so the queue needs to be flushed before internal is freed.
> 
> Signed-off-by: Steven Siloti <ssiloti at bittorrent.com>
> ---
>  libavformat/utils.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

applied

thx

[...]

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

No human being will ever know the Truth, for even if they happen to say it
by chance, they would not even known they had done so. -- Xenophanes
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