From 8da2dc2c830f709492898b4be2b45be2bb83f9d1 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Mon, 3 Jun 2024 19:51:49 +0200 Subject: [PATCH] avfilter/vf_rotate: Check ff_draw_init2() return value Fixes: NULL pointer dereference Fixes: 3_343 Found-by: De3mond Signed-off-by: Michael Niedermayer (cherry picked from commit 9c9f095e30c196c0e3d510dc5300182ddb49a803) Signed-off-by: Michael Niedermayer --- 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 46ab796c7a..6390a254fc 100644 --- a/libavfilter/vf_rotate.c +++ b/libavfilter/vf_rotate.c @@ -197,7 +197,9 @@ static int config_props(AVFilterLink *outlink) double res; char *expr; - ff_draw_init(&rot->draw, inlink->format, 0); + ret = ff_draw_init(&rot->draw, inlink->format, 0); + if (ret < 0) + return ret; ff_draw_color(&rot->draw, &rot->color, rot->fillcolor); rot->hsub = pixdesc->log2_chroma_w;