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dfa: Fix out of array write in decode_dds1()

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Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-04-13 22:57:23 +02:00
parent d1c95d2ce3
commit 72b9537d88
1 changed files with 1 additions and 1 deletions
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libavcodec/dfa.c
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@ -149,7 +149,7 @@ static int decode_dds1(GetByteContext *gb, uint8_t *frame, int width, int height
bitbuf = bytestream2_get_le16u(gb); bitbuf = bytestream2_get_le16u(gb);
mask = 1; mask = 1;
} }
if (frame_end - frame < 2) if (frame_end - frame < width + 2)
return -1; return -1;
if (bitbuf & mask) { if (bitbuf & mask) {
v = bytestream2_get_le16(gb); v = bytestream2_get_le16(gb);