ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Mon 
Jun  3 19:51:49 2024 +0200| [9c9f095e30c196c0e3d510dc5300182ddb49a803] | 
committer: Michael Niedermayer

avfilter/vf_rotate: Check ff_draw_init2() return value

Fixes: NULL pointer dereference
Fixes: 3_343

Found-by: De3mond
Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=9c9f095e30c196c0e3d510dc5300182ddb49a803
---

 libavfilter/vf_rotate.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/libavfilter/vf_rotate.c b/libavfilter/vf_rotate.c
index 3adde22c09..3e65f26552 100644
--- a/libavfilter/vf_rotate.c
+++ b/libavfilter/vf_rotate.c
@@ -288,7 +288,9 @@ static int config_props(AVFilterLink *outlink)
     double res;
     char *expr;
 
-    ff_draw_init2(&rot->draw, inlink->format, inlink->colorspace, 
inlink->color_range, 0);
+    ret = ff_draw_init2(&rot->draw, inlink->format, inlink->colorspace, 
inlink->color_range, 0);
+    if (ret < 0)
+        return ret;
     ff_draw_color(&rot->draw, &rot->color, rot->fillcolor);
 
     rot->hsub = pixdesc->log2_chroma_w;

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