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Fuzzing: Add a test for QDateTime::fromString

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This patch adds a basic fuzzing test for
QDateTime::fromString.

Task-number: QTBUG-87104
Pick-to: 5.15
Change-Id: Icc51386f06f6d4d2a4495734f7fa45de80c6e065
Reviewed-by: Robert Loehning <robert.loehning@qt.io>
This commit is contained in:
Edward Welbourne 2018-11-15 16:38:12 +01:00 committed by Andreas Buhr
parent 5126e461a2
commit 28e4a8421c
2 changed files with 110 additions and 0 deletions
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10
tests/libfuzzer/corelib/time/qdatetime/fromstring/fromstring.pro Normal file
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QT -= gui
CONFIG -= app_bundle
CONFIG += console
SOURCES += main.cpp
FUZZ_ENGINE = $$(LIB_FUZZING_ENGINE)
isEmpty(FUZZ_ENGINE) {
QMAKE_LFLAGS += -fsanitize=fuzzer
} else {
LIBS += $$FUZZ_ENGINE
}

100
tests/libfuzzer/corelib/time/qdatetime/fromstring/main.cpp Normal file
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/****************************************************************************
**
** Copyright (C) 2020 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QDateTime>
static const QString formats[] = {
QStringLiteral("h"),
QStringLiteral("hh"),
QStringLiteral("H"),
QStringLiteral("HH"),
QStringLiteral("m"),
QStringLiteral("mm"),
QStringLiteral("s"),
QStringLiteral("ss"),
QStringLiteral("z"),
QStringLiteral("zzz"),
QStringLiteral("A"),
QStringLiteral("t"),
QStringLiteral("M/d/yyyy"),
QStringLiteral("M/d/yyyy hh:mm"),
QStringLiteral("M/d/yyyy hh:mm A"),
QStringLiteral("M/d/yyyy, hh:mm"),
QStringLiteral("M/d/yyyy, hh:mm A"),
QStringLiteral("MMM d yyyy"),
QStringLiteral("MMM d yyyy hh:mm"),
QStringLiteral("MMM d yyyy hh:mm:ss"),
QStringLiteral("MMM d yyyy, hh:mm"),
QStringLiteral("MMM d yyyy, hh:mm:ss"),
QStringLiteral("MMMM d yyyy"),
QStringLiteral("MMMM d yyyy hh:mm"),
QStringLiteral("MMMM d yyyy hh:mm:ss"),
QStringLiteral("MMMM d yyyy, hh:mm"),
QStringLiteral("MMMM d yyyy, hh:mm:ss"),
QStringLiteral("MMMM d yyyy, hh:mm:ss t"),
QStringLiteral("MMM d, yyyy"),
QStringLiteral("MMM d, yyyy hh:mm"),
QStringLiteral("MMM d, yyyy hh:mm:ss"),
QStringLiteral("MMMM d, yyyy"),
QStringLiteral("MMMM d, yyyy hh:mm"),
QStringLiteral("MMMM d, yyyy hh:mm:ss"),
QStringLiteral("MMMM d, yyyy hh:mm:ss t"),
QStringLiteral("d MMM yyyy"),
QStringLiteral("d MMM yyyy hh:mm"),
QStringLiteral("d MMM yyyy hh:mm:ss"),
QStringLiteral("d MMM yyyy, hh:mm"),
QStringLiteral("d MMM yyyy, hh:mm:ss"),
QStringLiteral("d MMMM yyyy"),
QStringLiteral("d MMMM yyyy hh:mm"),
QStringLiteral("d MMMM yyyy hh:mm:ss"),
QStringLiteral("d MMMM yyyy, hh:mm"),
QStringLiteral("d MMMM yyyy, hh:mm:ss"),
QStringLiteral("d MMM, yyyy"),
QStringLiteral("d MMM, yyyy hh:mm"),
QStringLiteral("d MMM, yyyy hh:mm:ss"),
QStringLiteral("d MMMM, yyyy"),
QStringLiteral("d MMMM, yyyy hh:mm"),
QStringLiteral("d MMMM, yyyy hh:mm:ss"),
QStringLiteral("yyyy-MM-ddThh:mm:ss.zt"),
};
// libFuzzer entry-point for testing QDateTimeParser
extern "C" int LLVMFuzzerTestOneInput(const char *Data, size_t Size)
{
const QString userString = QString::fromUtf8(Data, Size);
QDateTime::fromString(userString, Qt::TextDate);
QDateTime::fromString(userString, Qt::ISODate);
QDateTime::fromString(userString, Qt::RFC2822Date);
QDateTime::fromString(userString, Qt::ISODateWithMs);
for (const auto &format : formats) {
QDateTime::fromString(userString, format);
}
return 0;
}