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author | Frank Plowman <post@frankplowman.com> | 2024-01-26 09:13:13 +0000 |
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committer | James Almer <jamrial@gmail.com> | 2024-01-26 15:47:41 -0300 |
commit | 763e31a8d3e3def53fc22828e75df54127e9487e (patch) | |
tree | 987576ce144ce9d1921e184dba525638398bb737 | |
parent | cb7b4ee02491662e0aeee26479e8add955cd9b43 (diff) | |
download | ffmpeg-763e31a8d3e3def53fc22828e75df54127e9487e.tar.gz |
lavc/vvc: Clamp shift RHS
Resolves the following undefined behavior sanitiser error:
runtime error: shift exponent 32 is too large for 32-bit type 'int'
Signed-off-by: Frank Plowman <post@frankplowman.com>
Signed-off-by: James Almer <jamrial@gmail.com>
-rw-r--r-- | libavcodec/vvc/vvc_intra_template.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/vvc/vvc_intra_template.c b/libavcodec/vvc/vvc_intra_template.c index 9fb47549d5..a078885266 100644 --- a/libavcodec/vvc/vvc_intra_template.c +++ b/libavcodec/vvc/vvc_intra_template.c @@ -969,7 +969,7 @@ static void FUNC(pred_angular_h)(uint8_t *_src, const uint8_t *_top, const uint8 int pos = (1 + ref_idx) * intra_pred_angle; int wt; if (need_pdpc) - wt = (32 >> ((y * 2) >> nscale)); + wt = (32 >> FFMIN(31, (y * 2) >> nscale)); for (int x = 0; x < w; x++) { const int idx = (pos >> 5) + ref_idx; |