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| author | Michael Niedermayer <michaelni@gmx.at> | 2012-03-31 17:52:13 +0400 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2012-03-31 18:35:54 +0400 |
| commit | 12038ab16da2f9e007c5f3a5bacc19e61f8edfd8 (patch) | |
| tree | e7c57e8f959891b4fd03da2c36ae069e430c92ea /libavcodec/ivi_dsp.c | |
| parent | 874ac0b1fdc858481aa51bdc010612d9db29083b (diff) | |
ividsp: zero pitch so as not to overread
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/ivi_dsp.c')
| -rw-r--r-- | libavcodec/ivi_dsp.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/libavcodec/ivi_dsp.c b/libavcodec/ivi_dsp.c index 0ee7035741..263c06ace3 100644 --- a/libavcodec/ivi_dsp.c +++ b/libavcodec/ivi_dsp.c @@ -55,6 +55,9 @@ void ff_ivi_recompose53(const IVIPlaneDesc *plane, uint8_t *dst, b3_ptr = plane->bands[3].buf; for (y = 0; y < plane->height; y += 2) { + + if (y+2 >= plane->height) + pitch= 0; /* load storage variables with values */ if (num_bands > 0) { b0_1 = b0_ptr[0]; |