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authorMichael Niedermayer <michael@niedermayer.cc>2017-05-24 00:21:21 +0200
committerMichael Niedermayer <michael@niedermayer.cc>2017-05-25 14:29:54 +0200
commitea71a48c7e8a76ee447fa518cca087df9288288d (patch)
treec450c15446d0569b5865eea4cdab625704bf1c39 /libavcodec/wavpack.c
parent5f91786fc8ad9b4108e09e6cbf119d95c8ac4db7 (diff)
avcodec/wavpack: Fix runtime error: left shift of negative value -14778
Fixes: 1778/clusterfuzz-testcase-minimized-5128953268273152 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec/wavpack.c')
-rw-r--r--libavcodec/wavpack.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/libavcodec/wavpack.c b/libavcodec/wavpack.c
index 20774e61d2..3b3c6b2d16 100644
--- a/libavcodec/wavpack.c
+++ b/libavcodec/wavpack.c
@@ -113,10 +113,10 @@ static int update_error_limit(WavpackFrameContext *ctx)
if (ctx->stereo_in && ctx->hybrid_bitrate) {
int balance = (sl[1] - sl[0] + br[1] + 1) >> 1;
if (balance > br[0]) {
- br[1] = br[0] << 1;
+ br[1] = br[0] * 2;
br[0] = 0;
} else if (-balance > br[0]) {
- br[0] <<= 1;
+ br[0] *= 2;
br[1] = 0;
} else {
br[1] = br[0] + balance;