On Thursday, 3 November 2022 03:21:05 PDT Dennis Luehring wrote: > WARNING: ThreadSanitizer: data race (pid=5882) > Read of size 8 at 0x7b0c00002178 by thread T1: > #0 memcpy <null> (libtsan.so.2+0x5e806) > #1 QVector<QPostEvent>::realloc(int, > QFlags<QArrayData::AllocationOption>) <null> (libQt5Core.so.5+0x2af42c) > > Previous write of size 8 at 0x7b0c00002178 by main thread: > #0 malloc <null> (libtsan.so.2+0x3f618) > #1 QArrayData::allocate(unsigned long, unsigned long, unsigned > long, QFlags<QArrayData::AllocationOption>) <null> (libQt5Core.so.5+0xf34f1) > #2 main > /home/linux/dev/project/test/qt_tsan_tests_dev/qt_tsan_tests/main.cpp:9 > (qt_tsan_tests+0x402eed)
Actually this SEEMS to indicate that there's a race condition in the QPostEventList (which is a QVector), but I dobut that TSan is capable of noticing the QMutex lock, because on Linux those are inline when uncontended. Qt 6.4 has TSan annotations for those, but you must build Qt itself with TSan for them to apply to the post event list inside QtCore. -- Thiago Macieira - thiago.macieira (AT) intel.com Cloud Software Architect - Intel DCAI Cloud Engineering _______________________________________________ Interest mailing list Interest@qt-project.org https://lists.qt-project.org/listinfo/interest
