Fixes undefined behavior
Fixes: 830/clusterfuzz-testcase-6253175327686656
Found-by: continuous fuzzing process
https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
---
libavcodec/mpegaudiodec_template.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavcodec/mpegaudiodec_template.c
b/libavcodec/mpegaudiodec_template.c
index 88f62727cb..a5ac5817f3 100644
--- a/libavcodec/mpegaudiodec_template.c
+++ b/libavcodec/mpegaudiodec_template.c
@@ -253,7 +253,7 @@ static inline int l3_unscale(int value, int exponent)
#endif
if (e > (SUINT)31)
return 0;
- m = (m + (1 << (e - 1))) >> e;
+ m = (m + ((1U << e)>>1)) >> e;
return m;
}
--
2.11.0
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