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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-31 13:21:58 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-06-16 01:05:29 +0200 |
| commit | 79a5cac077548869bcf30c2f8a67f5da3f918b5d (patch) | |
| tree | 559239a815daccb226e6b2658699ba15e964f8a7 | |
| parent | 5415c88e370692a3cf10b998ab230b4a02fc237f (diff) | |
| download | ffmpeg-79a5cac077548869bcf30c2f8a67f5da3f918b5d.tar.gz | |
avcodec/cavsdec: Fix runtime error: signed integer overflow: 59 + 2147483600 cannot be represented in type 'int'
Fixes: 1903/clusterfuzz-testcase-minimized-5359318167715840
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 58f8cd4ac576028ef492a005bd06b1f22c3a6879)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/cavsdec.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/cavsdec.c b/libavcodec/cavsdec.c index 55e785542b..0301537a4d 100644 --- a/libavcodec/cavsdec.c +++ b/libavcodec/cavsdec.c @@ -615,7 +615,7 @@ static inline int decode_residual_inter(AVSContext *h) /* get quantizer */ if (h->cbp && !h->qp_fixed) - h->qp = (h->qp + get_se_golomb(&h->gb)) & 63; + h->qp = (h->qp + (unsigned)get_se_golomb(&h->gb)) & 63; for (block = 0; block < 4; block++) if (h->cbp & (1 << block)) decode_residual_block(h, &h->gb, inter_dec, 0, h->qp, |