[FFmpeg-cvslog] avformat/westwood_vqa: Fix 2g packets

[Michael Niedermayer]

ffmpeg | branch: release/3.4 | Michael Niedermayer <michael at niedermayer.cc> | Tue Mar 26 01:00:13 2024 +0100| [f91d171d293f081a75650165cefbe6c4307b6944] | committer: Michael Niedermayer

avformat/westwood_vqa: Fix 2g packets

Fixes: signed integer overflow: 2147483424 * 2 cannot be represented in type 'int'
Fixes: 62276/clusterfuzz-testcase-minimized-ffmpeg_dem_WSVQA_fuzzer-4576211411795968

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
(cherry picked from commit 86f73277bf014e2ce36dd2594f1e0fb8b3bd6661)
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=f91d171d293f081a75650165cefbe6c4307b6944
---

 libavformat/westwood_vqa.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavformat/westwood_vqa.c b/libavformat/westwood_vqa.c
index 15deef6061..0c77fd6e1a 100644
--- a/libavformat/westwood_vqa.c
+++ b/libavformat/westwood_vqa.c
@@ -232,7 +232,7 @@ static int wsvqa_read_packet(AVFormatContext *s,
                     break;
                 case SND2_TAG:
                     /* 2 samples/byte, 1 or 2 samples per frame depending on stereo */
-                    pkt->duration = (chunk_size * 2) / wsvqa->channels;
+                    pkt->duration = (chunk_size * 2LL) / wsvqa->channels;
                     break;
                 }
                 break;