aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorMichael Niedermayer <michael@niedermayer.cc>2017-03-06 21:52:36 +0100
committerMichael Niedermayer <michael@niedermayer.cc>2017-05-17 20:35:19 +0200
commite4d5f9bf93b58b30c2e91d26b40bc460457d88ee (patch)
treed51e4a9a75ea541c8867c1f233e918678d292b06
parent41beb7297fcc3ffd3b9f364081575d92a4e49d4b (diff)
downloadffmpeg-e4d5f9bf93b58b30c2e91d26b40bc460457d88ee.tar.gz
avcodec/wavpack: Fix runtime error: left shift of negative value -5
Fixes: 729/clusterfuzz-testcase-5154831595470848 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> (cherry picked from commit 3016e919d4e1d90da98af19ce2a9d4979506eaf3) Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
-rw-r--r--libavcodec/wavpack.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/wavpack.c b/libavcodec/wavpack.c
index 40601d9036..046abe272c 100644
--- a/libavcodec/wavpack.c
+++ b/libavcodec/wavpack.c
@@ -267,7 +267,7 @@ static inline int wv_get_value_integer(WavpackFrameContext *s, uint32_t *crc,
int bit;
if (s->extra_bits) {
- S <<= s->extra_bits;
+ S *= 1 << s->extra_bits;
if (s->got_extra_bits &&
get_bits_left(&s->gb_extra_bits) >= s->extra_bits) {