[Development] Memory leak in libQt5Core.so.5.15.7

Khande, Chandrakant Gulab (DBAN) Chandrakant.khande at smithsdetection.com
Tue Oct 31 09:48:27 CET 2023


Hi Team,


Found the memory leak in libQt5Core.so.5.15.7
Following is the valgrind stack, can Qt help to resolve this, any fix version available for Rocky 8

==1819== 312 bytes in 3 blocks are definitely lost in loss record 13,372 of 14,268
==1819== at 0x4C388C3: operator new(unsigned long) (vg_replace_malloc.c:422)
==1819== by 0x144555E7: QEventLoop::QEventLoop(QObject*) (in /opt/Qt/lib/libQt5Core.so.5.15.7)
==1819== by 0x14283480: QThread::exec() (in /opt/Qt/lib/libQt5Core.so.5.15.7)
==1819== by 0x142846A2: ??? (in /opt/Qt/lib/libQt5Core.so.5.15.7)
==1819== by 0x14BB81C9: start_thread (in /usr/lib64/libpthread-2.28.so)
==1819== by 0x15738E72: clone (in /usr/lib64/libc-2.28.so)

=======================
==1766== 107 (40 direct, 67 indirect) bytes in 1 blocks are definitely lost in loss record 11,877 of 14,215
==1766== at 0x4C39B6F: operator new[](unsigned long) (vg_replace_malloc.c:640)
==1766== by 0x143DEB71: ??? (in /opt/Qt/lib/libQt5Core.so.5.15.7)
==1766== by 0x143DA27C: ??? (in /opt/Qt/lib/libQt5Core.so.5.15.7)
==1766== by 0x143DA403: QProcess::start(QString const&, QStringList const&, QFlagsQIODevice::OpenModeFlag) (in /opt/Qt/lib/libQt5Core.so.5.15.7)
==1766== by 0x143DA5D5: QProcess::start(QString const&, QFlagsQIODevice::OpenModeFlag) (in /opt/Qt/lib/libQt5Core.so.5.15.7)

Thanks,
Chandrakant
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