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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-28 21:44:32 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-06-02 01:14:38 +0200 |
| commit | 3a0e4368ec5a9130d51fcbee32ac9ec8c30b8330 (patch) | |
| tree | bcb88b7c673c4042e7d64a180104be4287a61bb5 | |
| parent | 22dab0f4e1b83eea1be4e6850690e9aa5d44e937 (diff) | |
| download | ffmpeg-3a0e4368ec5a9130d51fcbee32ac9ec8c30b8330.tar.gz | |
avcodec/ra144: Fix runtime error: signed integer overflow: -2449 * 1398101 cannot be represented in type 'int'
Fixes: 1885/clusterfuzz-testcase-minimized-5336328549957632
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 7c845450d2daa0d066045cf94ab51cb496f1b824)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/ra144.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/ra144.c b/libavcodec/ra144.c index 4f8471d28a..c869824e35 100644 --- a/libavcodec/ra144.c +++ b/libavcodec/ra144.c @@ -1573,7 +1573,7 @@ int ff_eval_refl(int *refl, const int16_t *coefs, AVCodecContext *avctx) if((int)(a*(unsigned)b) != a*(int64_t)b) return 1; #endif - bp1[j] = ((bp2[j] - ((refl[i+1] * bp2[i-j]) >> 12)) * b) >> 12; + bp1[j] = (int)((bp2[j] - ((refl[i+1] * bp2[i-j]) >> 12)) * (unsigned)b) >> 12; } if ((unsigned) bp1[i] + 0x1000 > 0x1fff) |