From ce355905622f8ea78979d43575faedf6e89282d3 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sat, 17 Feb 2024 01:04:13 +0100 Subject: [PATCH] swscale/utils: Allocate more dithererror Fixes: out of array read Signed-off-by: Michael Niedermayer (cherry picked from commit 18f26f8a2f8dc3b9ec3ac3ab8e03fce15cc8c88d) Signed-off-by: Michael Niedermayer --- libswscale/utils.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libswscale/utils.c b/libswscale/utils.c index e1ad685972..e6eab0c4c1 100644 --- a/libswscale/utils.c +++ b/libswscale/utils.c @@ -1891,7 +1891,7 @@ 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;