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author | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-31 23:02:07 +0300 |
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committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-06-16 02:05:29 +0300 |
commit | 64ecc9eda97600a6a778eac84796e837354b0b36 (patch) | |
tree | c61494b67853ff7030bd0fe586082e4c07171d9f | |
parent | cb14b289bc994f3a77d317db23be7e89e03caf07 (diff) |
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 d08ba346ec..1f4ec02cd2 100644 --- a/libavcodec/hevc_ps.c +++ b/libavcodec/hevc_ps.c @@ -750,7 +750,7 @@ 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; } } |