From 204629df104eafcff70bdaa058916410fa98f7b9 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Wed, 7 Jan 2026 03:05:34 +0100 Subject: [PATCH] avfilter/scale_eval: Use 64bit for factor_w/h Avoids truncation and overflows Fixes: #YWH-PGM40646-14 Found-by: An0n99X Signed-off-by: Michael Niedermayer (cherry picked from commit 5bbc8f828e85a4a2ded42f7d46b2ce8e2657433d) Signed-off-by: Michael Niedermayer --- libavfilter/scale_eval.c | 2 +- libavfilter/vf_zscale.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/libavfilter/scale_eval.c b/libavfilter/scale_eval.c index a0de07d29d..ce55804ed7 100644 --- a/libavfilter/scale_eval.c +++ b/libavfilter/scale_eval.c @@ -124,7 +124,7 @@ int ff_scale_adjust_dimensions(AVFilterLink *inlink, int force_original_aspect_ratio, int force_divisible_by) { int64_t w, h; - int factor_w, factor_h; + int64_t factor_w, factor_h; w = *ret_w; h = *ret_h; diff --git a/libavfilter/vf_zscale.c b/libavfilter/vf_zscale.c index 44bc3c3f28..48c9457642 100644 --- a/libavfilter/vf_zscale.c +++ b/libavfilter/vf_zscale.c @@ -206,7 +206,7 @@ static int config_props(AVFilterLink *outlink) double var_values[VARS_NB], res; char *expr; int ret; - int factor_w, factor_h; + int64_t factor_w, factor_h; var_values[VAR_IN_W] = var_values[VAR_IW] = inlink->w; var_values[VAR_IN_H] = var_values[VAR_IH] = inlink->h;