Fixes: out of array read
Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
---
libswscale/utils.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libswscale/utils.c b/libswscale/utils.c
index ec822ff5d92..4dc0fbfefbf 100644
--- a/libswscale/utils.c
+++ b/libswscale/utils.c
@@ -1885,7 +1885,7 @@ static av_cold int sws_init_single_context(SwsContext *c,
SwsFilter *srcFilter,
}
for (i = 0; i < 4; i++)
- if (!FF_ALLOCZ_TYPED_ARRAY(c->dither_error[i], c->dstW + 2))
+ if (!FF_ALLOCZ_TYPED_ARRAY(c->dither_error[i], c->dstW + 3))
goto nomem;
c->needAlpha = (CONFIG_SWSCALE_ALPHA && isALPHA(c->srcFormat) &&
isALPHA(c->dstFormat)) ? 1 : 0;
--
2.17.1
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