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Code Issues Releases Activity

motionpixels: Check that the vlc table has been fully inited

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Fixes out of array reads

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
2013-02-09 18:40:12 +01:00
parent 4401958fdc
commit b5fc95e77f
1 changed files with 4 additions and 0 deletions
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4
libavcodec/motionpixels.c
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@@ -137,6 +137,10 @@ static int mp_read_codes_table(MotionPixelsContext *mp, GetBitContext *gb)
mp->current_codes_count = 0;
if ((ret = mp_get_code(mp, gb, 0, 0)) < 0)
return ret;
if (mp->current_codes_count < mp->codes_count) {
av_log(mp->avctx, AV_LOG_ERROR, "too few codes\n");
return AVERROR_INVALIDDATA;
}
}
return 0;
}