[FFmpeg-cvslog] avfilter/vf_rotate: Check ff_draw_init2() return value
Michael Niedermayer
git at videolan.org
Wed Jun 12 01:40:05 EEST 2024
ffmpeg | branch: master | Michael Niedermayer <michael at 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 <michael at 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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