30 lines
877 B
Diff
30 lines
877 B
Diff
From 50aaab95b65433a6a8ed616c6f473ca12389e3f0 Mon Sep 17 00:00:00 2001
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From: Paul Olav Tvete <paul.tvete@qt.io>
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Date: Tue, 10 Oct 2023 10:14:22 +0200
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Subject: [PATCH] Fix nullptr dereference with invalid SVG
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Fixes: QTBUG-117944
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Pick-to: 6.6 6.5 6.2
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Change-Id: I9059dc28c750fc0585f1fb982152b211c323c6cd
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Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@qt.io>
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---
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src/svg/qsvghandler.cpp | 2 ++
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1 file changed, 2 insertions(+)
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diff --git a/src/svg/qsvghandler.cpp b/src/svg/qsvghandler.cpp
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index 2649422..335500a 100644
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--- a/src/svg/qsvghandler.cpp
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+++ b/src/svg/qsvghandler.cpp
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@@ -3606,6 +3606,8 @@ void QSvgHandler::init()
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static bool detectCycles(const QSvgNode *node, QList<const QSvgUse *> active = {})
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{
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+ if (Q_UNLIKELY(!node))
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+ return false;
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switch (node->type()) {
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case QSvgNode::DOC:
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case QSvgNode::G:
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--
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2.42.0
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