Message ID | 20170401171836.32701-2-michael@niedermayer.cc |
---|---|
State | Accepted |
Commit | 23ae3cc822915ede2bb4e85047ab46cc5bc71268 |
Headers | show |
On 1 April 2017 at 18:18, Michael Niedermayer <michael@niedermayer.cc> wrote: > Fixes: undefined behavior > Fixes: 702974 > > Found-by: Thomas Guilbert <tguilbert@google.com> > Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> > --- > libavformat/oggparsedaala.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/libavformat/oggparsedaala.c b/libavformat/oggparsedaala.c > index ce65b2bd7a..a373b41b4c 100644 > --- a/libavformat/oggparsedaala.c > +++ b/libavformat/oggparsedaala.c > @@ -126,6 +126,7 @@ static int daala_header(AVFormatContext *s, int idx) > if (hdr->gpshift >= 32) { > av_log(s, AV_LOG_ERROR, "Too large gpshift %d (>= 32).\n", > hdr->gpshift); > + hdr->gpshift = 0; > return AVERROR_INVALIDDATA; > } > hdr->gpmask = (1U << hdr->gpshift) - 1; > -- > 2.11.0 > > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org > http://ffmpeg.org/mailman/listinfo/ffmpeg-devel > LGTM, thanks
On Sat, Apr 01, 2017 at 09:04:48PM +0100, Rostislav Pehlivanov wrote: > On 1 April 2017 at 18:18, Michael Niedermayer <michael@niedermayer.cc> > wrote: > > > Fixes: undefined behavior > > Fixes: 702974 > > > > Found-by: Thomas Guilbert <tguilbert@google.com> > > Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> > > --- > > libavformat/oggparsedaala.c | 1 + > > 1 file changed, 1 insertion(+) > > > > diff --git a/libavformat/oggparsedaala.c b/libavformat/oggparsedaala.c > > index ce65b2bd7a..a373b41b4c 100644 > > --- a/libavformat/oggparsedaala.c > > +++ b/libavformat/oggparsedaala.c > > @@ -126,6 +126,7 @@ static int daala_header(AVFormatContext *s, int idx) > > if (hdr->gpshift >= 32) { > > av_log(s, AV_LOG_ERROR, "Too large gpshift %d (>= 32).\n", > > hdr->gpshift); > > + hdr->gpshift = 0; > > return AVERROR_INVALIDDATA; > > } > > hdr->gpmask = (1U << hdr->gpshift) - 1; > > -- > > 2.11.0 > > > > _______________________________________________ > > ffmpeg-devel mailing list > > ffmpeg-devel@ffmpeg.org > > http://ffmpeg.org/mailman/listinfo/ffmpeg-devel > > > > LGTM, thanks applied thanks [...]
diff --git a/libavformat/oggparsedaala.c b/libavformat/oggparsedaala.c index ce65b2bd7a..a373b41b4c 100644 --- a/libavformat/oggparsedaala.c +++ b/libavformat/oggparsedaala.c @@ -126,6 +126,7 @@ static int daala_header(AVFormatContext *s, int idx) if (hdr->gpshift >= 32) { av_log(s, AV_LOG_ERROR, "Too large gpshift %d (>= 32).\n", hdr->gpshift); + hdr->gpshift = 0; return AVERROR_INVALIDDATA; } hdr->gpmask = (1U << hdr->gpshift) - 1;
Fixes: undefined behavior Fixes: 702974 Found-by: Thomas Guilbert <tguilbert@google.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> --- libavformat/oggparsedaala.c | 1 + 1 file changed, 1 insertion(+)