Sorry I send this patch again. Please Ignore:
https://ffmpeg.org/pipermail/ffmpeg-devel/2025-June/345436.html
Thanks,
Lidong
Michael Niedermayer <mich...@niedermayer.cc> 于2025年6月16日周一 07:38写道：
> On Sat, Jun 14, 2025 at 05:08:36PM +0800, Zhao Zhili wrote:
> >
> >
> > > On Jun 14, 2025, at 16:33, Lidong Yan <
> yldhome2d2-at-gmail....@ffmpeg.org> wrote:
> > >
> > > In libavformat/rtmpproto.c:gen_connect(), if check on string length
> > > or check on codec fourcc failed, ff_rtmp_packet_create() allocated
> > > data in pkt would leak. Add ff_rtmp_packet_destory before return error
> > > code.
> > >
> > > Signed-off-by: Lidong Yan <502024330...@smail.nju.edu.cn>
> > >
> > > -----BEGIN PGP PUBLIC KEY BLOCK-----
> > >
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> > > XwD7Bl6kvIIW7ReqtgXvcl7u78vEo+e9YeTGTlmAogjpeQk=
> > > =rP+W
> > > -----END PGP PUBLIC KEY BLOCK-----
> > >
> > > ---
> > > libavformat/rtmpproto.c | 2 ++
> > > 1 file changed, 2 insertions(+)
> > >
> > > diff --git a/libavformat/rtmpproto.c b/libavformat/rtmpproto.c
> > > index 846376e668..dd850f72ed 100644
> > > --- a/libavformat/rtmpproto.c
> > > +++ b/libavformat/rtmpproto.c
> > > @@ -347,6 +347,7 @@ static int gen_connect(URLContext *s, RTMPContext
> *rt)
> > > if ((fourcc_str_len + 1) % 5 != 0) {
> > > av_log(s, AV_LOG_ERROR, "Malformed rtmp_enhanched_codecs, "
> > > "should be of the form hvc1[,av01][,vp09][,...]\n");
> > > + ff_rtmp_packet_destroy(&pkt);
> > > return AVERROR(EINVAL);
> > > }
> > >
> > > @@ -370,6 +371,7 @@ static int gen_connect(URLContext *s, RTMPContext
> *rt)
> > > ff_amf_write_string(&p, fourcc);
> > > } else {
> > > av_log(s, AV_LOG_ERROR, "Unsupported codec fourcc,
> %.*s\n", 4, fourcc_data);
> > > + ff_rtmp_packet_destroy(&pkt);
> > > return AVERROR_PATCHWELCOME;
> > > }
> >
> > LGTM.
>
> will apply
>
> thx
>
> [...]
> --
> Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
>
> Those who are too smart to engage in politics are punished by being
> governed by those who are dumber. -- Plato
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