[FFmpeg-cvslog] avcodec/opus: don't materialize buf pointer from null
Kacper Michajłow
git at videolan.org
Sat Jul 5 22:11:44 EEST 2025
ffmpeg | branch: master | Kacper Michajłow <kasper93 at gmail.com> | Thu Jul 3 23:08:23 2025 +0200| [3b6ec5abb5fb3cffdfcd25f834c43e53cab2cabe] | committer: Michael Niedermayer
avcodec/opus: don't materialize buf pointer from null
Fixes: avcodec/opus/dec.c: runtime error: applying non-zero offset 10 to null pointer
Signed-off-by: Kacper Michajłow <kasper93 at gmail.com>
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=3b6ec5abb5fb3cffdfcd25f834c43e53cab2cabe
---
libavcodec/opus/dec.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/libavcodec/opus/dec.c b/libavcodec/opus/dec.c
index 6c59dc1f46..dbefcddb0c 100644
--- a/libavcodec/opus/dec.c
+++ b/libavcodec/opus/dec.c
@@ -585,6 +585,9 @@ static int opus_decode_packet(AVCodecContext *avctx, AVFrame *frame,
s->decoded_samples = ret;
decoded_samples = FFMIN(decoded_samples, ret);
+ if (!buf)
+ continue;
+
buf += s->packet.packet_size;
buf_size -= s->packet.packet_size;
}
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