Fixes: 705/clusterfuzz-testcase-5129572590813184
Found-by: continuous fuzzing process
https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
---
libavcodec/adxdec.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavcodec/adxdec.c b/libavcodec/adxdec.c
index 32cc0f005a..178ea99dcf 100644
--- a/libavcodec/adxdec.c
+++ b/libavcodec/adxdec.c
@@ -81,7 +81,7 @@ static int adx_decode(ADXContext *c, int16_t *out, int offset,
s2 = prev->s2;
for (i = 0; i < BLOCK_SAMPLES; i++) {
d = get_sbits(&gb, 4);
- s0 = ((d << COEFF_BITS) * scale + c->coeff[0] * s1 + c->coeff[1] * s2)
>> COEFF_BITS;
+ s0 = ((d * (1 << COEFF_BITS)) * scale + c->coeff[0] * s1 + c->coeff[1]
* s2) >> COEFF_BITS;
s2 = s1;
s1 = av_clip_int16(s0);
*out++ = s1;
--
2.11.0
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