From 6ca7c14b581a0067fc5c42ec4eb7a2d7b827ad0f Mon Sep 17 00:00:00 2001
From: Tom Englund <tomenglund26@gmail.com>
Date: Wed, 23 Jul 2025 12:09:19 +0200
Subject: [PATCH] CTM: check for finite value aswell (#11185)

checking for < 0.F will not catch NaN or inf values, use std::isfinite
aswell.
---
 src/protocols/CTMControl.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/protocols/CTMControl.cpp b/src/protocols/CTMControl.cpp
index c9e9d0982..38145ab10 100644
--- a/src/protocols/CTMControl.cpp
+++ b/src/protocols/CTMControl.cpp
@@ -34,8 +34,8 @@ CHyprlandCTMControlResource::CHyprlandCTMControlResource(UP<CHyprlandCtmControlM
                                           wl_fixed_to_double(mat5), wl_fixed_to_double(mat6), wl_fixed_to_double(mat7), wl_fixed_to_double(mat8)};
 
         for (auto& el : MAT) {
-            if (el < 0.F) {
-                m_resource->error(HYPRLAND_CTM_CONTROL_MANAGER_V1_ERROR_INVALID_MATRIX, "a matrix component was < 0");
+            if (!std::isfinite(el) || el < 0.F) {
+                m_resource->error(HYPRLAND_CTM_CONTROL_MANAGER_V1_ERROR_INVALID_MATRIX, "a matrix component was invalid");
                 return;
             }
         }