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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-31 22:02:07 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-06-04 00:28:56 +0200 |
| commit | a249250b3a882b8b637c547da01d2e58a9c89c9f (patch) | |
| tree | aade95bec4b8a39eb145fd91eaaec6a57b0cde73 | |
| parent | 9589a7f39175527df3817049cb6cb7cbe20f1520 (diff) | |
| download | ffmpeg-a249250b3a882b8b637c547da01d2e58a9c89c9f.tar.gz | |
avcodec/hevc_ps: Fix runtime error: signed integer overflow: 2147483628 + 256 cannot be represented in type 'int'
Fixes: 1909/clusterfuzz-testcase-minimized-6732072662073344
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 6726328f7940a76c43b4d97ac37ababf363d042f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/hevc_ps.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/hevc_ps.c b/libavcodec/hevc_ps.c index 64d6e2f064..c9561c5d2b 100644 --- a/libavcodec/hevc_ps.c +++ b/libavcodec/hevc_ps.c @@ -724,7 +724,7 @@ static int scaling_list_data(GetBitContext *gb, AVCodecContext *avctx, ScalingLi ff_hevc_diag_scan8x8_x[i]; scaling_list_delta_coef = get_se_golomb(gb); - next_coef = (next_coef + scaling_list_delta_coef + 256) % 256; + next_coef = (next_coef + 256U + scaling_list_delta_coef) % 256; sl->sl[size_id][matrix_id][pos] = next_coef; } } |