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sgidec: fix off by 1 error that tested a sample too far for oob.

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This led to decoding failure when linesize was too small.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-07-09 01:31:41 +02:00
parent 30659a2233
commit 7bc155163e
1 changed files with 1 additions and 1 deletions
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2
libavcodec/sgidec.c
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@ -58,7 +58,7 @@ static int expand_rle_row(SgiState *s, uint8_t *out_buf,
} }
/* Check for buffer overflow. */ /* Check for buffer overflow. */
if(out_buf + pixelstride * count >= out_end) return -1; if(out_buf + pixelstride * (count-1) >= out_end) return -1;
if (pixel & 0x80) { if (pixel & 0x80) {
while (count--) { while (count--) {