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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-31 22:02:07 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-31 22:05:32 +0200 |
| commit | 6726328f7940a76c43b4d97ac37ababf363d042f (patch) | |
| tree | d76158c27da64abea079a554413f8e0b946e11ea /libavcodec/hevc_ps.c | |
| parent | 08cb69e870c1b2fdc3574780a3662b92bfd6ef79 (diff) | |
| download | ffmpeg-6726328f7940a76c43b4d97ac37ababf363d042f.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>
Diffstat (limited to 'libavcodec/hevc_ps.c')
| -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 1808b0b420..656d969ce2 100644 --- a/libavcodec/hevc_ps.c +++ b/libavcodec/hevc_ps.c @@ -751,7 +751,7 @@ 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; } } |