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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-09-01 19:56:10 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-09-17 15:57:27 +0200 |
| commit | 93a32c15a84936064afc89a3333ce5aea9e6c8c1 (patch) | |
| tree | 8f13eda4e2be4661f6e48b04bea41973d831e5db | |
| parent | 22dbd1eb31d6ece0f448565a25f0cdab2a919068 (diff) | |
| download | ffmpeg-93a32c15a84936064afc89a3333ce5aea9e6c8c1.tar.gz | |
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>
(cherry picked from commit 2a0823ae966be3ad40e5dba6ec4c4dc1e8c6bcad)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/diracdec.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/diracdec.c b/libavcodec/diracdec.c index 6f6a0ece45..f92ff1b2ea 100644 --- a/libavcodec/diracdec.c +++ b/libavcodec/diracdec.c @@ -594,7 +594,7 @@ 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 -> |