From 7e634b9731152ba8b8adc2e37b5be733ebb0cada Mon Sep 17 00:00:00 2001 From: Michael Niedermayer <michael@niedermayer.cc> 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 <michael@niedermayer.cc> (cherry picked from commit 9c9f095e30c196c0e3d510dc5300182ddb49a803) Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> --- 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 96c250a459..2bbbb779d7 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_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;