From c9e01b04fc4e56452a1fb3bae54092f301e14ddf Mon Sep 17 00:00:00 2001
From: Visal Vijay <150381094+B2krobbery@users.noreply.github.com>
Date: Wed, 29 Apr 2026 23:18:58 +0530
Subject: [PATCH] config: prevent crash on invalid numeric values (#1002)

---
 src/config/ConfigManager.cpp | 24 +++++++++++++++---------
 1 file changed, 15 insertions(+), 9 deletions(-)

diff --git a/src/config/ConfigManager.cpp b/src/config/ConfigManager.cpp
index 5f590b8..7eef5f7 100644
--- a/src/config/ConfigManager.cpp
+++ b/src/config/ConfigManager.cpp
@@ -89,7 +89,12 @@ static Hyprlang::CParseResult configHandleLayoutOption(const char* v, void** dat
         rhs.pop_back();
     }
 
-    DATA->m_vValues = Hyprutils::Math::Vector2D{std::stof(lhs), std::stof(rhs)};
+    try {
+        DATA->m_vValues = Hyprutils::Math::Vector2D{std::stof(lhs), std::stof(rhs)};
+    } catch (const std::exception&) {
+        result.setError(std::format("invalid layout values: {}", VALUE).c_str());
+        return result;
+    }
 
     return result;
 }
@@ -601,19 +606,21 @@ std::optional<std::string> CConfigManager::handleBezier(const std::string& comma
 
     if (ARGS[1] == "")
         return "too few arguments";
-    float p1x = std::stof(ARGS[1]);
-
     if (ARGS[2] == "")
         return "too few arguments";
-    float p1y = std::stof(ARGS[2]);
-
     if (ARGS[3] == "")
         return "too few arguments";
-    float p2x = std::stof(ARGS[3]);
-
     if (ARGS[4] == "")
         return "too few arguments";
-    float p2y = std::stof(ARGS[4]);
+
+    float p1x, p1y, p2x, p2y;
+
+    try {
+        p1x = std::stof(ARGS[1]);
+        p1y = std::stof(ARGS[2]);
+        p2x = std::stof(ARGS[3]);
+        p2y = std::stof(ARGS[4]);
+    } catch (const std::exception&) { return "invalid bezier arguments"; }
 
     if (ARGS[5] != "")
         return "too many arguments";
@@ -622,7 +629,6 @@ std::optional<std::string> CConfigManager::handleBezier(const std::string& comma
 
     return {};
 }
-
 std::optional<std::string> CConfigManager::handleAnimation(const std::string& command, const std::string& args) {
     const auto ARGS = CVarList(args);