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| author | Paul B Mahol <onemda@gmail.com> | 2013-07-26 21:53:54 +0000 |
|---|---|---|
| committer | Paul B Mahol <onemda@gmail.com> | 2013-07-27 12:00:25 +0000 |
| commit | 86e722ab97d7f5f0552c8a0958f7910dfcf3c5b7 (patch) | |
| tree | 6039bc7b02bbdb2a04b1851695a98153223c16f8 | |
| parent | 997e2b59e354a16995656ba16edc293122fd4775 (diff) | |
| download | ffmpeg-86e722ab97d7f5f0552c8a0958f7910dfcf3c5b7.tar.gz | |
sgidec: safer check for buffer overflow
Signed-off-by: Paul B Mahol <onemda@gmail.com>
| -rw-r--r-- | libavcodec/sgidec.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/sgidec.c b/libavcodec/sgidec.c index a32620be78..4f7f8ac9f1 100644 --- a/libavcodec/sgidec.c +++ b/libavcodec/sgidec.c @@ -58,7 +58,7 @@ static int expand_rle_row(SgiState *s, uint8_t *out_buf, } /* Check for buffer overflow. */ - if (out_buf + pixelstride * (count - 1) >= out_end) + if (out_end - out_buf <= pixelstride * (count - 1)) return AVERROR_INVALIDDATA; if (pixel & 0x80) { |