Fixes: 672/clusterfuzz-testcase-5595018867769344
Found-by: continuous fuzzing process
https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <[email protected]>
---
libavcodec/eac3dec.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavcodec/eac3dec.c b/libavcodec/eac3dec.c
index be2350237e..c971879b2d 100644
--- a/libavcodec/eac3dec.c
+++ b/libavcodec/eac3dec.c
@@ -280,7 +280,7 @@ static void
ff_eac3_decode_transform_coeffs_aht_ch(AC3DecodeContext *s, int ch)
mant += ((ff_eac3_gaq_remap_2_4_a[hebap-8][log_gain-1] *
(int64_t)mant) >> 15) + b;
} else {
/* small mantissa, no GAQ, or Gk=1 */
- mant <<= 24 - bits;
+ mant *= (1 << 24 - bits);
if (!log_gain) {
/* remap mantissa value for no GAQ or Gk=1 */
mant += (ff_eac3_gaq_remap_1[hebap-8] * (int64_t)mant)
>> 15;
--
2.11.0
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