[FFmpeg-cvslog] avcodec/ra144: Fix runtime error: signed integer overflow: 11184810 * 404 cannot be represented in type 'int'

[Michael Niedermayer]

ffmpeg | branch: release/3.1 | Michael Niedermayer <michael at niedermayer.cc> | Sun May 28 21:38:24 2017 +0200| [37709a5f8205e7ed8ade812df66c6489404eb40d] | committer: Michael Niedermayer

avcodec/ra144: Fix runtime error: signed integer overflow: 11184810 * 404 cannot be represented in type 'int'

Fixes: 1884/clusterfuzz-testcase-minimized-4637425835966464

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 4c472c52525fcab4c80cdbc98b4625d318c84fcb)
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=37709a5f8205e7ed8ade812df66c6489404eb40d
---

 libavcodec/ra144.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/ra144.c b/libavcodec/ra144.c
index 690f7ff3d6..4f8471d28a 100644
--- a/libavcodec/ra144.c
+++ b/libavcodec/ra144.c
@@ -1701,7 +1701,7 @@ void ff_subblock_synthesis(RA144Context *ractx, const int16_t *lpc_coefs,
     if (cba_idx) {
         cba_idx += BLOCKSIZE/2 - 1;
         ff_copy_and_dup(ractx->buffer_a, ractx->adapt_cb, cba_idx);
-        m[0] = (ff_irms(&ractx->adsp, ractx->buffer_a) * gval) >> 12;
+        m[0] = (ff_irms(&ractx->adsp, ractx->buffer_a) * (unsigned)gval) >> 12;
     } else {
         m[0] = 0;
     }