[FFmpeg-cvslog] avcodec/aacps: Fix runtime error: left shift of 1073741824 by 1 places cannot be represented in type 'INTFLOAT' (aka 'int')

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michael at niedermayer.cc> | Fri Jun  2 22:31:02 2017 +0200| [9faf098163b33e7b0f5baafa3371ef5401f4105d] | committer: Michael Niedermayer

avcodec/aacps: Fix runtime error: left shift of 1073741824 by 1 places cannot be represented in type 'INTFLOAT' (aka 'int')

Fixes: 2005/clusterfuzz-testcase-minimized-5744226438479872

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=9faf098163b33e7b0f5baafa3371ef5401f4105d
---

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

diff --git a/libavcodec/aacps.c b/libavcodec/aacps.c
index 31e072dd49..29de8a5ea7 100644
--- a/libavcodec/aacps.c
+++ b/libavcodec/aacps.c
@@ -947,7 +947,7 @@ static void stereo_processing(PSContext *ps, INTFLOAT (*l)[32][2], INTFLOAT (*r)
             int stop  = ps->border_position[e+1];
             INTFLOAT width = Q30(1.f) / ((stop - start) ? (stop - start) : 1);
 #if USE_FIXED
-            width <<= 1;
+            width = FFMIN(2U*width, INT_MAX);
 #endif
             b = k_to_i[k];
             h[0][0] = H11[0][e][b];