diff options
author | Friedemann Kleint <Friedemann.Kleint@qt.io> | 2020-09-18 13:00:21 +0200 |
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committer | Friedemann Kleint <Friedemann.Kleint@qt.io> | 2020-09-18 17:35:22 +0000 |
commit | af22ccf5605c6b7b20b845fb2b4003d3f56d8bc9 (patch) | |
tree | 459d596f0f0711dbc8fb2cc6b5f6f0d8c3385944 /src/xml | |
parent | 1dbaf037a816b2a38d79628d3abd73f138f9fd80 (diff) |
Fix a double deletion in QDomAttr::setNodeValue()
Check the reference count before deleting. Patch
as contributed on bug report.
Pick-to: 5.15 5.12
Fixes: QTBUG-86547
Change-Id: I2cb197e3eeda7ade2442c23f6b4f1ae6ff2ff810
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Diffstat (limited to 'src/xml')
-rw-r--r-- | src/xml/dom/qdom.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/xml/dom/qdom.cpp b/src/xml/dom/qdom.cpp index 571e7fb0ac..43e9034ee9 100644 --- a/src/xml/dom/qdom.cpp +++ b/src/xml/dom/qdom.cpp @@ -3625,7 +3625,9 @@ void QDomAttrPrivate::setNodeValue(const QString& v) // keep the refcount balanced: appendChild() does a ref anyway. t->ref.deref(); if (first) { - delete removeChild(first); + auto removed = removeChild(first); + if (removed && !removed->ref) + delete removed; } appendChild(t); } |