summaryrefslogtreecommitdiff
path: root/libavcodec/adxdec.c
diff options
context:
space:
mode:
authorMichael Niedermayer <michael@niedermayer.cc>2017-03-03 04:39:04 +0100
committerMichael Niedermayer <michael@niedermayer.cc>2017-03-04 17:48:04 +0100
commitd23727e0420b9f77f0d4cb28b43819b402f702e5 (patch)
treede3865ec1d8885caa2261bfaecec70ea3885889c /libavcodec/adxdec.c
parenteb41956636fc264fe2077b78ef00591d83bbbace (diff)
downloadffmpeg-d23727e0420b9f77f0d4cb28b43819b402f702e5.tar.gz
avcodec/adxdec: Fix runtime error: left shift of negative value -1
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 <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec/adxdec.c')
-rw-r--r--libavcodec/adxdec.c2
1 files changed, 1 insertions, 1 deletions
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;