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| author | rcombs <rcombs@rcombs.me> | 2021-12-23 19:48:24 -0600 |
|---|---|---|
| committer | rcombs <rcombs@rcombs.me> | 2022-01-04 19:39:22 -0600 |
| commit | f320722eb5e3af84860063827636369115094ab5 (patch) | |
| tree | 15b318794e12ab3d420d53882aa5bdba6763abb8 /libavfilter/drawutils.c | |
| parent | f00079b25c44d6b9f01bb3688bfd1cd49abefac8 (diff) | |
| download | ffmpeg-f320722eb5e3af84860063827636369115094ab5.tar.gz | |
lavfi/drawutils: ensure we can't overflow a component
Diffstat (limited to 'libavfilter/drawutils.c')
| -rw-r--r-- | libavfilter/drawutils.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libavfilter/drawutils.c b/libavfilter/drawutils.c index 99c124822d..bcdb669bd3 100644 --- a/libavfilter/drawutils.c +++ b/libavfilter/drawutils.c @@ -112,6 +112,8 @@ int ff_draw_init(FFDrawContext *draw, enum AVPixelFormat format, unsigned flags) if (depthb && (depthb != db)) return AVERROR(ENOSYS); depthb = db; + if (db * (c->offset + 1) > 16) + return AVERROR(ENOSYS); /* strange interleaving */ if (pixelstep[c->plane] != 0 && pixelstep[c->plane] != c->step) |