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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 12:21:32 +0200 |
| commit | 2173539519fab324de3492db59620fd793a0ee4c (patch) | |
| tree | ecf7d74b465861e403c37709f9ae7ddfe9ccd156 | |
| parent | 816f7337bf3ed3e08afdc28278668d8eb81910cb (diff) | |
| download | ffmpeg-2173539519fab324de3492db59620fd793a0ee4c.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 e147f10564..46e8377bc9 100644 --- a/libavcodec/diracdec.c +++ b/libavcodec/diracdec.c @@ -580,7 +580,7 @@ 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 -> |