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authorMichael Niedermayer <michael@niedermayer.cc>2017-09-01 19:56:10 +0200
committerMichael Niedermayer <michael@niedermayer.cc>2017-09-02 23:50:28 +0200
commit2a0823ae966be3ad40e5dba6ec4c4dc1e8c6bcad (patch)
tree8cf812d81650aae3cfa74619cd6de8383fcd8b04 /libavcodec/diracdec.c
parent69e6877de8ad33a533379213d2b046a3dd4a446a (diff)
downloadffmpeg-streaming-2a0823ae966be3ad40e5dba6ec4c4dc1e8c6bcad.zip
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avcodec/diracdec: Fix integer overflow in INTRA_DC_PRED()
Fixes: runtime error: signed integer overflow: 1168175789 + 1168178473 cannot be represented in type 'int' Fixes: 3081/clusterfuzz-testcase-minimized-4807564879462400 Fixes: 2844/clusterfuzz-testcase-minimized-5561715838156800 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/diracdec.c')
-rw-r--r--libavcodec/diracdec.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/diracdec.c b/libavcodec/diracdec.c
index 0aee08f..f2aed60 100644
--- a/libavcodec/diracdec.c
+++ b/libavcodec/diracdec.c
@@ -586,7 +586,7 @@ static inline void codeblock(DiracContext *s, SubBand *b,
} \
INTRA_DC_PRED(8, int16_t)
-INTRA_DC_PRED(10, int32_t)
+INTRA_DC_PRED(10, uint32_t)
/**
* Dirac Specification ->
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