[FFmpeg-cvslog] avcodec/aacps: Fix runtime error: left shift of 1073741824 by 1 places cannot be represented in type 'INTFLOAT' (aka 'int')
Michael Niedermayer
git at videolan.org
Sun Jun 18 17:32:21 EEST 2017
ffmpeg | branch: release/3.1 | Michael Niedermayer <michael at niedermayer.cc> | Fri Jun 2 22:31:02 2017 +0200| [cc6eec316e2a49c255f068821c6de497b2e3f1c1] | 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>
(cherry picked from commit 9faf098163b33e7b0f5baafa3371ef5401f4105d)
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=cc6eec316e2a49c255f068821c6de497b2e3f1c1
---
libavcodec/aacps.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavcodec/aacps.c b/libavcodec/aacps.c
index 48b595adbd..01f6d1f076 100644
--- a/libavcodec/aacps.c
+++ b/libavcodec/aacps.c
@@ -942,7 +942,7 @@ 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];
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