avfilter/vf_lagfun: fix heap-buffer overflow

Fixes #8310
5 years ago · 723d69f99c
parent d4d6b7b035
commit 723d69f99c
1 changed files with 1 additions and 1 deletions
--- a/libavfilter/vf_lagfun.c
+++ b/libavfilter/vf_lagfun.c
@ -137,7 +137,7 @@ static int lagfun_frame16(AVFilterContext *ctx, void *arg, int jobnr, int nb_job
        }

        for (int y = slice_start; y < slice_end; y++) {
-            for (int x = 0; x < s->linesize[p]; x++)
+            for (int x = 0; x < s->linesize[p] / 2; x++)
                dst[x] = FFMAX(src[x], osrc[x] * decay);

            src += in->linesize[p] / 2;