Message ID | 20200113095933.21601-1-michael@niedermayer.cc |
---|---|
State | New |
Headers | show |
Series | [FFmpeg-devel] avformat/oggparsevorbis: Error out on double init of vp | expand |
Context | Check | Description |
---|---|---|
andriy/ffmpeg-patchwork | success | Make fate finished |
NAK On 1/13/20, Michael Niedermayer <michael@niedermayer.cc> wrote: > Fixes: memleak > Fixes: > 19949/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5743636058210304 > > Found-by: continuous fuzzing process > https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> > --- > libavformat/oggparsevorbis.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/libavformat/oggparsevorbis.c b/libavformat/oggparsevorbis.c > index 43f05f928a..889c7950d3 100644 > --- a/libavformat/oggparsevorbis.c > +++ b/libavformat/oggparsevorbis.c > @@ -230,7 +230,7 @@ static int fixup_vorbis_headers(AVFormatContext *as, > len = priv->len[0] + priv->len[1] + priv->len[2]; > buf_len = len + len / 255 + 64; > > - if (*buf) > + if (*buf || priv->vp) > return AVERROR_INVALIDDATA; > > ptr = *buf = av_realloc(NULL, buf_len); > -- > 2.24.0 > > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-devel > > To unsubscribe, visit link above, or email > ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".
diff --git a/libavformat/oggparsevorbis.c b/libavformat/oggparsevorbis.c index 43f05f928a..889c7950d3 100644 --- a/libavformat/oggparsevorbis.c +++ b/libavformat/oggparsevorbis.c @@ -230,7 +230,7 @@ static int fixup_vorbis_headers(AVFormatContext *as, len = priv->len[0] + priv->len[1] + priv->len[2]; buf_len = len + len / 255 + 64; - if (*buf) + if (*buf || priv->vp) return AVERROR_INVALIDDATA; ptr = *buf = av_realloc(NULL, buf_len);
Fixes: memleak Fixes: 19949/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5743636058210304 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> --- libavformat/oggparsevorbis.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)