[FFmpeg-cvslog] avcodec/ra144dec: Fix runtime error: left shift of negative value -17

[Michael Niedermayer]

ffmpeg | branch: release/3.3 | Michael Niedermayer <michael at niedermayer.cc> | Sat May 27 13:07:00 2017 +0200| [b803624aae4cea90805b4739551db6bd110f743f] | committer: Michael Niedermayer

avcodec/ra144dec: Fix runtime error: left shift of negative value -17

Fixes: 1830/clusterfuzz-testcase-minimized-5828293733384192

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 53c0c637d36c1de9ea461a8d863e8703da090894)
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=b803624aae4cea90805b4739551db6bd110f743f
---

 libavcodec/ra144dec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/ra144dec.c b/libavcodec/ra144dec.c
index 3eed17c0da..c716c32e67 100644
--- a/libavcodec/ra144dec.c
+++ b/libavcodec/ra144dec.c
@@ -113,7 +113,7 @@ static int ra144_decode_frame(AVCodecContext * avctx, void *data,
         do_output_subblock(ractx, block_coefs[i], refl_rms[i], &gb);
 
         for (j=0; j < BLOCKSIZE; j++)
-            *samples++ = av_clip_int16(ractx->curr_sblock[j + 10] << 2);
+            *samples++ = av_clip_int16(ractx->curr_sblock[j + 10] * (1 << 2));
     }
 
     ractx->old_energy = energy;