[Development] CI failing due to ASan tst_selftest

[Ahmad Samir]

On 27/8/23 05:36, Thiago Macieira wrote:
> See https://testresults.qt.io/coin/integration/qt/qtbase/tasks/1698516419
> 

[...]

Looking at this log:

==19313==ERROR: LeakSanitizer: detected memory leaks
agent:2023/08/26 21:36:18 build.go:405: 3:
agent:2023/08/26 21:36:18 build.go:405: 3: Direct leak of 258 byte(s) in 1 
object(s) allocated from:
agent:2023/08/26 21:36:18 build.go:405: 3:       #0 0x7ffa505c8e48 in 
__interceptor_malloc (/usr/lib64/libasan.so.5+0x109e48)
agent:2023/08/26 21:36:18 build.go:405: 3:       #1 0x7ffa4f2d7ff9 
(/home/qt/work/install/lib/libQt6Core.so.6+0x896ff9)
agent:2023/08/26 21:36:18 build.go:405: 3:       #2 0x7ffa4f2d834d in 
QArrayData::allocate(QArrayData**, long long, long long, long long, 
QArrayData::AllocationOption) (/home/qt/work/install/lib/libQt6Core.so.6+0x89734d)
agent:2023/08/26 21:36:18 build.go:405: 3:       #3 0x7ffa4f23b700 
(/home/qt/work/install/lib/libQt6Core.so.6+0x7fa700)
agent:2023/08/26 21:36:18 build.go:405: 3:       #4 0x7ffa4f1f6cc8 in 
QString::reallocData(long long, QArrayData::AllocationOption) 
(/home/qt/work/install/lib/libQt6Core.so.6+0x7b5cc8)
agent:2023/08/26 21:36:18 build.go:405: 3:       #5 0x7ffa4f1f68a7 in 
QString::resize(long long) (/home/qt/work/install/lib/libQt6Core.so.6+0x7b58a7)
agent:2023/08/26 21:36:18 build.go:405: 3:       #6 0x7ffa4f2092ff 
(/home/qt/work/install/lib/libQt6Core.so.6+0x7c82ff)
agent:2023/08/26 21:36:18 build.go:405: 3:       #7 0x7ffa4f209e09 in 
QString::vasprintf(char const*, __va_list_tag*) 
(/home/qt/work/install/lib/libQt6Core.so.6+0x7c8e09)
agent:2023/08/26 21:36:18 build.go:405: 3:       #8 0x7ffa4ed0d83d 
(/home/qt/work/install/lib/libQt6Core.so.6+0x2cc83d)
agent:2023/08/26 21:36:18 build.go:405: 3:       #9 0x7ffa4ed114a9 in 
QMessageLogger::fatal(char const*, ...) const 
(/home/qt/work/install/lib/libQt6Core.so.6+0x2d04a9)
agent:2023/08/26 21:36:18 build.go:405: 3:       #10 0x5641d2604c40 in 
tst_Silent::messages() 
/home/qt/work/qt/qtbase/tests/auto/testlib/selftests/silent/tst_silent.cpp:77


I see the same issue locally, so I used `git bisect`, which showed it's because in 
`checkErrorOutput(const QString &test, const QByteArray &errorOutput)` in 
tst_selftests.cpp, the code should return early for "silent" test, because the 
latter calls qFatal, that doesn't seem to happen on Linux any more.


Regards,
Ahmad Samir

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