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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-13 23:16:44 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-20 03:41:33 +0200 |
| commit | 4ed535d79b967accdc261a04dd8059b2e1f8800d (patch) | |
| tree | 85db69a67e61508810c538fb4018706ea93b0e83 | |
| parent | 6e46f19cc8b9f4bbb17ca4cd3743e7222614caca (diff) | |
| download | ffmpeg-4ed535d79b967accdc261a04dd8059b2e1f8800d.tar.gz | |
avcodec/svq3: Fix runtime error: signed integer overflow: 169 * 12717677 cannot be represented in type 'int'
Fixes: 1556/clusterfuzz-testcase-minimized-5027865978470400
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 86b1b0d33dd7459f0d9c352c51ee2e374fd6f7fe)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/svq3.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/svq3.c b/libavcodec/svq3.c index a862927936..0d63736007 100644 --- a/libavcodec/svq3.c +++ b/libavcodec/svq3.c @@ -206,7 +206,7 @@ void ff_svq3_add_idct_c(uint8_t *dst, int16_t *block, int i; if (dc) { - dc = 13 * 13 * (dc == 1 ? 1538 * block[0] + dc = 13 * 13 * (dc == 1 ? 1538U* block[0] : qmul * (block[0] >> 3) / 2); block[0] = 0; } |