avfilter/vf_vmafmotion: Check dimensions

Fixes: out of array access
Fixes: Ticket8241
Fixes: Ticket8246
Fixes: CVE-2020-22019
Fixes: CVE-2020-22033

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 82ad1b7675)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2021-05-29 09:58:31 +02:00
parent cf876bdef8
commit e6b5c7a5fc
1 changed files with 3 additions and 0 deletions

View File

@ -238,6 +238,9 @@ int ff_vmafmotion_init(VMAFMotionData *s,
int i;
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(fmt);
if (w < 3 || h < 3)
return AVERROR(EINVAL);
s->width = w;
s->height = h;
s->stride = FFALIGN(w * sizeof(uint16_t), 32);