diff options
| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-02-25 21:07:26 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-02-26 17:16:22 +0100 |
| commit | 7e9ba78f6bd10edae77d1126ada109709e981e9f (patch) | |
| tree | 53eb01a1ab72b7eb4059056605fe71837a30e60c /libavcodec/flacdsp.c | |
| parent | 87eb3749708c0eb2978f4812c7be2a4af667fdb7 (diff) | |
| download | ffmpeg-7e9ba78f6bd10edae77d1126ada109709e981e9f.tar.gz | |
avcodec/flacdsp: Fix: runtime error: signed integer overflow: -1027555328 + -1226681270 cannot be represented in type 'int'
Fixes: 673/clusterfuzz-testcase-5948736536576000
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec/flacdsp.c')
| -rw-r--r-- | libavcodec/flacdsp.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/flacdsp.c b/libavcodec/flacdsp.c index 560091f73a..bc9a5dbed9 100644 --- a/libavcodec/flacdsp.c +++ b/libavcodec/flacdsp.c @@ -67,7 +67,7 @@ static void flac_lpc_16_c(int32_t *decoded, const int coeffs[32], int sum = 0; for (j = 0; j < pred_order; j++) sum += coeffs[j] * (SUINT)decoded[j]; - decoded[j] += sum >> qlevel; + decoded[j] = decoded[j] + (unsigned)(sum >> qlevel); } } |