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| author | Peter Hartmann <peter-qt@hartmann.tk> | 2017-03-15 11:59:14 +0100 |
|---|---|---|
| committer | Peter Hartmann <peter-qt@hartmann.tk> | 2017-05-09 09:28:19 +0000 |
| commit | bd782dea29bf925208b60dccaaa04a931e449aa1 (patch) | |
| tree | be500d80a3edd9f111bc85c9ab626e04e0b67e34 /src | |
| parent | babfbe2de2a325f21354febec80def032f2f6865 (diff) | |
QQmlComponent: Fix heap buffer overflow with bogus input
(cherry picked from commit 30dbe57521c9b1f4cac74db8f5f15a3c466c20d0)
Change-Id: I20a030ddba6ae42b9959473fe68e622c6a42a8bf
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
Diffstat (limited to 'src')
| -rw-r--r-- | src/qml/parser/qqmljslexer.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/qml/parser/qqmljslexer.cpp b/src/qml/parser/qqmljslexer.cpp index 5e8ea049ed..86804f1fa0 100644 --- a/src/qml/parser/qqmljslexer.cpp +++ b/src/qml/parser/qqmljslexer.cpp @@ -718,6 +718,11 @@ again: return multilineStringLiteral ? T_MULTILINE_STRING_LITERAL : T_STRING_LITERAL; } else if (_char == QLatin1Char('\\')) { scanChar(); + if (_codePtr > _endPtr) { + _errorCode = IllegalEscapeSequence; + _errorMessage = QCoreApplication::translate("QQmlParser", "End of file reached at escape sequence"); + return T_ERROR; + } QChar u; |