On 01.08.2017 17:01, Muhammad Faiz wrote:
Fix Ticket6519.

Signed-off-by: Muhammad Faiz <mfc...@gmail.com>
---
 libavfilter/vf_ssim.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavfilter/vf_ssim.c b/libavfilter/vf_ssim.c
index c3c204268f..dfd276e015 100644
--- a/libavfilter/vf_ssim.c
+++ b/libavfilter/vf_ssim.c
@@ -402,7 +402,7 @@ static int config_input_ref(AVFilterLink *inlink)
     for (i = 0; i < s->nb_components; i++)
         s->coefs[i] = (double) s->planeheight[i] * s->planewidth[i] / sum;

-    s->temp = av_malloc_array((2 * inlink->w + 12), sizeof(*s->temp) * (1 + 
(desc->comp[0].depth > 8)));
+    s->temp = av_malloc_array(FFALIGN(2 * inlink->w + 12, 64), sizeof(*s->temp) * (1 
+ (desc->comp[0].depth > 8)));
     if (!s->temp)
         return AVERROR(ENOMEM);
     s->max = (1 << desc->comp[0].depth) - 1;


I confirm that the command doesn't crash anymore and the reports of "invalid read/write" in Valgrind are gone. However there are still some "use of uninitialized value" reports remaining. Maybe use av_mallocz_array?

Regards,
Tobias

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