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| author | Robert Loehning <robert.loehning@qt.io> | 2020-08-18 14:41:01 +0200 |
|---|---|---|
| committer | Robert Loehning <robert.loehning@qt.io> | 2020-08-18 21:58:30 +0200 |
| commit | 7f1945c5fb492505db9a43853987eaf805291919 (patch) | |
| tree | 7667c113643ffa1de4e3d6d5cd6053981e841dc9 /tests/auto/qsvgrenderer/tst_qsvgrenderer.cpp | |
| parent | ebba0d76654e86b26a63a1310d6b3e859fd16ffe (diff) | |
| download | qtsvg-7f1945c5fb492505db9a43853987eaf805291919.tar.gz | |
Fix check against division by zero
The squared values must not be zero. Since both are qreal,
this can happen even when neither of them is zero itself.
Fixes: oss-fuzz-24738
Pick-to: 5.12 5.15
Change-Id: I61b2bc891e7e3831d4b6ee68b467db28c4f877d4
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Diffstat (limited to 'tests/auto/qsvgrenderer/tst_qsvgrenderer.cpp')
| -rw-r--r-- | tests/auto/qsvgrenderer/tst_qsvgrenderer.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/tests/auto/qsvgrenderer/tst_qsvgrenderer.cpp b/tests/auto/qsvgrenderer/tst_qsvgrenderer.cpp index b348302..ea23d2d 100644 --- a/tests/auto/qsvgrenderer/tst_qsvgrenderer.cpp +++ b/tests/auto/qsvgrenderer/tst_qsvgrenderer.cpp @@ -84,6 +84,7 @@ private slots: void duplicateStyleId(); void oss_fuzz_23731(); void oss_fuzz_24131(); + void oss_fuzz_24738(); #ifndef QT_NO_COMPRESS void testGzLoading(); @@ -1624,5 +1625,12 @@ void tst_QSvgRenderer::oss_fuzz_24131() renderer.render(&painter); } +void tst_QSvgRenderer::oss_fuzz_24738() +{ + // when configured with "-sanitize undefined", this resulted in: + // "runtime error: division by zero" + QSvgRenderer().load(QByteArray("<svg><path d=\"a 2 1e-212.....\">")); +} + QTEST_MAIN(tst_QSvgRenderer) #include "tst_qsvgrenderer.moc" |