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Marc Mutz c59665b0ec QSettings: fix UB (signed integer overflow) on parsing long hex/oct escapes 
The code did not limit the length of hex and octal escape sequences,
but used an int as the accumulator, which causes UB on overflow.

Due to the use of the QChar(int) constructor when appending escapeVal,
only the lowest 16 bit of the value were appended to the result
string. An test case encoding this behavior explicitly suggests this
is intended behavior.

It therefore suffices to use an unsigned 16-bit value as the
accumulator (unsigned, because that doesn't cause UB on overflow, 16
bits, because that's all we care for).

For future-proofing, use char16_t as the accumulator.

Pick-to: 5.15
Change-Id: I07e7ebf1f312276b2bbcb08e4360c66a3b9522ca
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
2020-05-13 21:26:35 +02:00
bin CMake: Make build system of installed Qt more relocatable 2020-05-07 15:41:16 +02:00
cmake CMake: Set QT_TARGET_XXX properties for Qt executables and plugins 2020-05-12 14:31:06 +02:00
coin CMake: Adjust instructions for MinGW builds 2020-05-01 19:11:22 +02:00
config.tests CMake: Skip regeneration of manual compile test project 2020-04-09 11:26:46 +02:00
dist Add changes file for Qt 5.15.0 2020-04-27 20:11:04 +02:00
doc Merge remote-tracking branch 'origin/5.15' into dev 2020-04-22 15:28:01 +02:00
examples Doc: Use nullptr instead of 0 in example 2020-05-11 11:48:57 +02:00
lib
mkspecs iOS: Remove deprecated image-based launch screen 2020-05-11 16:22:25 +02:00
qmake Android: add ANDROID_ABIS qmake snippet 2020-05-13 08:35:41 +00:00
src QSettings: fix UB (signed integer overflow) on parsing long hex/oct escapes 2020-05-13 21:26:35 +02:00
tests QApplication: refactor delivery and propagation of wheel events 2020-05-13 15:07:55 +00:00
util pro2cmake: Handle QMAKE_TARGET_XXX variables 2020-05-12 14:31:12 +02:00
.cmake.conf pro2cmake.py: Generate .cmake.conf files for versioning 2020-04-30 17:44:03 +00:00
.gitattributes
.gitignore Add .vscode in git ignore list 2020-04-22 20:38:52 -03:00
.qmake.conf Bump version 2020-02-02 13:41:14 +01:00
.tag
CMakeLists.txt pro2cmake.py: Generate .cmake.conf files for versioning 2020-04-30 17:44:03 +00:00
config_help.txt Merge remote-tracking branch 'origin/5.15' into dev 2020-02-26 18:39:21 +01:00
configure Compile QRegularExpression into qmake 2020-05-05 18:41:20 +02:00
configure.bat Don't compile qmake in c++11 mode 2020-02-03 17:43:30 +01:00
configure.cmake CMake: Port the 'static_runtime' feature 2020-04-23 10:09:15 +02:00
configure.json CMake: Port the 'separate_debug_info' feature 2020-03-06 13:38:37 +01:00
configure.pri Android: Increase minimum API level to Android-23 / Android 6 2020-03-04 08:28:04 +01:00
dependencies.yaml Re-add dependencies.yaml now that qt5.git wip/qt6 builds fine 2019-09-18 13:19:31 +02:00
header.BSD Use placeholder for year in header.* files 2018-04-16 11:02:22 +00:00
header.COMM Use placeholder for year in header.* files 2018-04-16 11:02:22 +00:00
header.FDL Use placeholder for year in header.* files 2018-04-16 11:02:22 +00:00
header.GPL Use placeholder for year in header.* files 2018-04-16 11:02:22 +00:00
header.GPL-EXCEPT Use placeholder for year in header.* files 2018-04-16 11:02:22 +00:00
header.LGPL Use placeholder for year in header.* files 2018-04-16 11:02:22 +00:00
header.LGPL3 Use placeholder for year in header.* files 2018-04-16 11:02:22 +00:00
header.LGPL3-COMM Use placeholder for year in header.* files 2018-04-16 11:02:22 +00:00
header.LGPL-NOGPL2 Use placeholder for year in header.* files 2018-04-16 11:02:22 +00:00
header.LGPL-ONLY Use placeholder for year in header.* files 2018-04-16 11:02:22 +00:00
header.MIT qsimd: add support for new x86 CPU features 2018-05-05 06:20:07 +00:00
INSTALL INSTALL: Remove outdated reference to Windows CE 2019-02-13 13:01:57 +00:00
LICENSE.FDL
LICENSE.GPL2
LICENSE.GPL3
LICENSE.GPL3-EXCEPT
LICENSE.LGPL3
LICENSE.LGPLv3
LICENSE.QT-LICENSE-AGREEMENT Update enterprise license agreement v4.2.1 2019-12-18 13:07:19 +02:00
qtbase.pro
sync.profile Move QOpenGLWidget from QtOpenGL to its own module 2020-02-18 09:22:51 +01:00