From c498f00ae2c24b08af7a7d8b4c2cf91aaa49b2a9 Mon Sep 17 00:00:00 2001
From: Robert Loehning <robert.loehning@qt.io>
Date: Mon, 3 Aug 2020 21:47:36 +0200
Subject: Don't divide by zero

Fixes: oss-fuzz-24308
Change-Id: I628f073cc2ec99b18333d2831c53cd888ebc5780
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>
(cherry picked from commit 3206ab23a01ff19850ebdce6ac0338ddb29b5b95)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
---
 src/svg/qsvghandler.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/svg/qsvghandler.cpp b/src/svg/qsvghandler.cpp
index 8f5ff0c..1a0d0f2 100644
--- a/src/svg/qsvghandler.cpp
+++ b/src/svg/qsvghandler.cpp
@@ -1575,6 +1575,8 @@ static void pathArc(QPainterPath &path,
        The arc fits a unit-radius circle in this space.
     */
     d = (x1 - x0) * (x1 - x0) + (y1 - y0) * (y1 - y0);
+    if (!d)
+        return;
     sfactor_sq = 1.0 / d - 0.25;
     if (sfactor_sq < 0) sfactor_sq = 0;
     sfactor = qSqrt(sfactor_sq);
-- 
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