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authorMichael Niedermayer <michael@niedermayer.cc>2017-05-17 00:53:32 +0200
committerMichael Niedermayer <michael@niedermayer.cc>2017-05-17 00:54:00 +0200
commit552adf1dd3a38fb7a1a6109dd2b517d63290f20e (patch)
tree20a28929aae2f0a30e3ea798d3b99a89ec98b223 /libavcodec/mlpdec.c
parent99c4c76cfbc4ae56dc8c37f5fab02f88f6b2cb48 (diff)
avcodec/mlpdec: Fix runtime error: left shift of negative value -1
Fixes: 1636/clusterfuzz-testcase-minimized-5310494757879808 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/mlpdec.c')
-rw-r--r--libavcodec/mlpdec.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/mlpdec.c b/libavcodec/mlpdec.c
index fa4347fb23..eaf1aa7c75 100644
--- a/libavcodec/mlpdec.c
+++ b/libavcodec/mlpdec.c
@@ -701,7 +701,7 @@ static int read_filter_params(MLPDecodeContext *m, GetBitContext *gbp,
/* TODO: Check validity of state data. */
for (i = 0; i < order; i++)
- fp->state[i] = state_bits ? get_sbits(gbp, state_bits) << state_shift : 0;
+ fp->state[i] = state_bits ? get_sbits(gbp, state_bits) * (1 << state_shift) : 0;
}
}