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| author | Stefano Sabatini <stefano.sabatini-lala@poste.it> | 2011-07-02 15:06:02 +0200 |
|---|---|---|
| committer | Stefano Sabatini <stefano.sabatini-lala@poste.it> | 2011-07-02 15:21:05 +0200 |
| commit | 2b550beb2299e30d5fc13596c619457c13b49d5f (patch) | |
| tree | 44a973100301e528b0b5818eff7c226d11be2a56 | |
| parent | 25119a7f082ba2432df528f70348f5bd83aa8c07 (diff) | |
| download | ffmpeg-2b550beb2299e30d5fc13596c619457c13b49d5f.tar.gz | |
vf_lut: add plane validity check in draw_slice()
The value for inpic->data[plane] with plane >=4 is undefined, and it
will contain in general random data. This change adds a check for
exiting the loop when plane reaches the value 4.
Fix crash (occurring for example with: format=rgba,lut).
| -rw-r--r-- | libavfilter/vf_lut.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavfilter/vf_lut.c b/libavfilter/vf_lut.c index 8607ee906c..b74aa235bc 100644 --- a/libavfilter/vf_lut.c +++ b/libavfilter/vf_lut.c @@ -319,7 +319,7 @@ static void draw_slice(AVFilterLink *inlink, int y, int h, int slice_dir) } } else { /* planar */ - for (plane = 0; inpic->data[plane]; plane++) { + for (plane = 0; plane < 4 && inpic->data[plane]; plane++) { int vsub = plane == 1 || plane == 2 ? lut->vsub : 0; int hsub = plane == 1 || plane == 2 ? lut->hsub : 0; |