Details
P1: Critical Description
A week ago I run a test build with ASAN enabled. One test generated an ASAN error, see full log here.
********* Start testing of tst_callback ********* Config: Using QtTest library 6.7.0, Qt 6.7.0 (x86_64-little_endian-lp64 shared (dynamic) debug build; by GCC 9.3.1 20200406 [revision 6db837a5288ee3ca5ec504fbd5a765817e556ac2]), opensuse-leap 15.5 PASS : tst_callback::dynamic vs character::initTestCase() PASS : tst_callback::dynamic vs character::cleanupTestCase() PASS : tst_callback::kinematic vs dynamic::initTestCase() PASS : tst_callback::kinematic vs dynamic::cleanupTestCase() PASS : tst_callback::dynamic vs static::initTestCase() PASS : tst_callback::dynamic vs static::cleanupTestCase() PASS : tst_callback::dynamic vs dynamic::initTestCase() PASS : tst_callback::dynamic vs dynamic::cleanupTestCase() PASS : tst_callback::dynamic vs kinematic::initTestCase() PASS : tst_callback::dynamic vs kinematic::cleanupTestCase() PASS : tst_callback::character controller vs static (onShapeHit)::initTestCase() PASS : tst_callback::character controller vs static (onShapeHit)::cleanupTestCase() PASS : tst_callback::character vs kinematic (onShapeHit)::initTestCase() PASS : tst_callback::character vs kinematic (onShapeHit)::cleanupTestCase() PASS : tst_callback::character vs dynamic (onShapeHit)::initTestCase() PASS : tst_callback::character vs dynamic (onShapeHit)::cleanupTestCase() PASS : tst_callback::character vs character (onShapeHit no callback)::initTestCase() PASS : tst_callback::character vs character (onShapeHit no callback)::cleanupTestCase() PASS : tst_callback::character vs character (no callback)::initTestCase() PASS : tst_callback::character vs character (no callback)::cleanupTestCase() PASS : tst_callback::character vs kinematic (no callback)::initTestCase() PASS : tst_callback::character vs kinematic (no callback)::cleanupTestCase() PASS : tst_callback::kinematic vs static (no callback)::initTestCase() PASS : tst_callback::kinematic vs static (no callback)::cleanupTestCase() PASS : tst_callback::kinematic vs character (no callback)::initTestCase() PASS : tst_callback::kinematic vs character (no callback)::cleanupTestCase() PASS : tst_callback::kinematic vs kinematic (no callback)::initTestCase() PASS : tst_callback::kinematic vs kinematic (no callback)::cleanupTestCase() PASS : tst_callback::character controller vs static (no callback)::initTestCase() PASS : tst_callback::character controller vs static (no callback)::cleanupTestCase() PASS : tst_callback::character vs dynamic (no callback)::initTestCase() PASS : tst_callback::character vs dynamic (no callback)::cleanupTestCase() =================================================================
==1994==ERROR: AddressSanitizer: heap-use-after-free on address 0x60600007fd90 at pc 0x7fb3d0f75f61 bp 0x7fff0a3dffc0 sp 0x7fff0a3dffb8
WRITE of size 1 at 0x60600007fd90 thread T0
#0 0x7fb3d0f75f60 in QPhysicsWorld::deregisterNode(QAbstractPhysicsNode*) (/home/qt/work/install/qml/QtQuick3D/Physics/../../../lib/libQt6Quick3DPhysics.so.6+0x297f60)
#1 0x7fb3d0f22504 in QAbstractPhysicsNode::~QAbstractPhysicsNode() (/home/qt/work/install/qml/QtQuick3D/Physics/../../../lib/libQt6Quick3DPhysics.so.6+0x244504)
#2 0x7fb3d0ef7ce8 (/home/qt/work/install/qml/QtQuick3D/Physics/../../../lib/libQt6Quick3DPhysics.so.6+0x219ce8)
#3 0x7fb3d0ef7dad (/home/qt/work/install/qml/QtQuick3D/Physics/../../../lib/libQt6Quick3DPhysics.so.6+0x219dad)
#4 0x7fb3d0fc60ca (/home/qt/work/install/qml/QtQuick3D/Physics/../../../lib/libQt6Quick3DPhysics.so.6+0x2e80ca)
#5 0x7fb3d0fc60ef (/home/qt/work/install/qml/QtQuick3D/Physics/../../../lib/libQt6Quick3DPhysics.so.6+0x2e80ef)
#6 0x7fb3e6229dd1 in QObjectPrivate::deleteChildren() (/home/qt/work/install/lib/libQt6Core.so.6+0x5b7dd1)
#7 0x7fb3e622591e in QObject::~QObject() (/home/qt/work/install/lib/libQt6Core.so.6+0x5b391e)
#8 0x7fb3e3c2c823 in QQuickItem::~QQuickItem() (/home/qt/work/install/lib/libQt6Quick.so.6+0x657823)
#9 0x7fb3d53eca5c in QQuick3DViewport::~QQuick3DViewport() (/home/qt/work/install/qml/QtQuick3D/../../lib/libQt6Quick3D.so.6+0x42ca5c)
#10 0x7fb3d546cd80 (/home/qt/work/install/qml/QtQuick3D/../../lib/libQt6Quick3D.so.6+0x4acd80)
#11 0x7fb3d546cda5 (/home/qt/work/install/qml/QtQuick3D/../../lib/libQt6Quick3D.so.6+0x4acda5)
#12 0x7fb3e6229dd1 in QObjectPrivate::deleteChildren() (/home/qt/work/install/lib/libQt6Core.so.6+0x5b7dd1)
#13 0x7fb3e622591e in QObject::~QObject() (/home/qt/work/install/lib/libQt6Core.so.6+0x5b391e)
#14 0x7fb3e3c2c823 in QQuickItem::~QQuickItem() (/home/qt/work/install/lib/libQt6Quick.so.6+0x657823)
#15 0x7fb3e466d70a (/home/qt/work/install/lib/libQt6Quick.so.6+0x109870a)
#16 0x7fb3e466d72f (/home/qt/work/install/lib/libQt6Quick.so.6+0x109872f)
#17 0x7fb3e3f1465e in QQuickView::~QQuickView() (/home/qt/work/install/lib/libQt6Quick.so.6+0x93f65e)
#18 0x7fb3e93f1290 in quick_test_main_with_setup(int, char**, char const*, char const*, QObject*) (/home/qt/work/install/lib/libQt6QuickTest.so.6+0x3c290)
#19 0x7fb3e93eb8cd in quick_test_main(int, char**, char const*, char const*) (/home/qt/work/install/lib/libQt6QuickTest.so.6+0x368cd)
#20 0x558d1c839317 in main /home/qt/work/qt/qtquick3dphysics/tests/auto/callback/tst_callback.cpp:19
#21 0x7fb3e52fe24c in __libc_start_main (/lib64/libc.so.6+0x3524c)
#22 0x558d1c8390c9 in _start ../sysdeps/x86_64/start.S:120
0x60600007fd90 is located 48 bytes inside of 64-byte region [0x60600007fd60,0x60600007fda0)
freed by thread T0 here:
#0 0x7fb3e95e2e45 in operator delete(void*, unsigned long) (/usr/lib64/libasan.so.5+0x10ce45)
#1 0x7fb3d0f1833c (/home/qt/work/install/qml/QtQuick3D/Physics/../../../lib/libQt6Quick3DPhysics.so.6+0x23a33c)
#2 0x7fb3d0f769e1 in QPhysicsWorld::~QPhysicsWorld() (/home/qt/work/install/qml/QtQuick3D/Physics/../../../lib/libQt6Quick3DPhysics.so.6+0x2989e1)
#3 0x7fb3d0fc630a (/home/qt/work/install/qml/QtQuick3D/Physics/../../../lib/libQt6Quick3DPhysics.so.6+0x2e830a)
#4 0x7fb3d0fc632f (/home/qt/work/install/qml/QtQuick3D/Physics/../../../lib/libQt6Quick3DPhysics.so.6+0x2e832f)
#5 0x7fb3e6229dd1 in QObjectPrivate::deleteChildren() (/home/qt/work/install/lib/libQt6Core.so.6+0x5b7dd1)
#6 0x7fb3e622591e in QObject::~QObject() (/home/qt/work/install/lib/libQt6Core.so.6+0x5b391e)
#7 0x7fb3e3c2c823 in QQuickItem::~QQuickItem() (/home/qt/work/install/lib/libQt6Quick.so.6+0x657823)
#8 0x7fb3d53eca5c in QQuick3DViewport::~QQuick3DViewport() (/home/qt/work/install/qml/QtQuick3D/../../lib/libQt6Quick3D.so.6+0x42ca5c)
#9 0x7fb3d546cd80 (/home/qt/work/install/qml/QtQuick3D/../../lib/libQt6Quick3D.so.6+0x4acd80)
#10 0x7fb3d546cda5 (/home/qt/work/install/qml/QtQuick3D/../../lib/libQt6Quick3D.so.6+0x4acda5)
#11 0x7fb3e6229dd1 in QObjectPrivate::deleteChildren() (/home/qt/work/install/lib/libQt6Core.so.6+0x5b7dd1)
#12 0x7fb3e622591e in QObject::~QObject() (/home/qt/work/install/lib/libQt6Core.so.6+0x5b391e)
#13 0x7fb3e3c2c823 in QQuickItem::~QQuickItem() (/home/qt/work/install/lib/libQt6Quick.so.6+0x657823)
#14 0x7fb3e466d70a (/home/qt/work/install/lib/libQt6Quick.so.6+0x109870a)
#15 0x7fb3e466d72f (/home/qt/work/install/lib/libQt6Quick.so.6+0x109872f)
#16 0x7fb3e3f1465e in QQuickView::~QQuickView() (/home/qt/work/install/lib/libQt6Quick.so.6+0x93f65e)
#17 0x7fb3e93f1290 in quick_test_main_with_setup(int, char**, char const*, char const*, QObject*) (/home/qt/work/install/lib/libQt6QuickTest.so.6+0x3c290)
#18 0x7fb3e93eb8cd in quick_test_main(int, char**, char const*, char const*) (/home/qt/work/install/lib/libQt6QuickTest.so.6+0x368cd)
#19 0x558d1c839317 in main /home/qt/work/qt/qtquick3dphysics/tests/auto/callback/tst_callback.cpp:19
#20 0x7fb3e52fe24c in __libc_start_main (/lib64/libc.so.6+0x3524c)
previously allocated by thread T0 here:
#0 0x7fb3e95e19bf in operator new(unsigned long) (/usr/lib64/libasan.so.5+0x10b9bf)
#1 0x7fb3d0fafe1a in QStaticRigidBody::createPhysXBackend() (/home/qt/work/install/qml/QtQuick3D/Physics/../../../lib/libQt6Quick3DPhysics.so.6+0x2d1e1a)
#2 0x7fb3d0f7ddd4 in QPhysicsWorld::frameFinished(float) (/home/qt/work/install/qml/QtQuick3D/Physics/../../../lib/libQt6Quick3DPhysics.so.6+0x29fdd4)
#3 0x7fb3d0fa7a43 (/home/qt/work/install/qml/QtQuick3D/Physics/../../../lib/libQt6Quick3DPhysics.so.6+0x2c9a43)
#4 0x7fb3d0fa2321 (/home/qt/work/install/qml/QtQuick3D/Physics/../../../lib/libQt6Quick3DPhysics.so.6+0x2c4321)
#5 0x7fb3d0f9ae95 (/home/qt/work/install/qml/QtQuick3D/Physics/../../../lib/libQt6Quick3DPhysics.so.6+0x2bce95)
#6 0x7fb3e610b78f (/home/qt/work/install/lib/libQt6Core.so.6+0x49978f)
#7 0x7fb3e6224069 in QMetaCallEvent::placeMetaCall(QObject*) (/home/qt/work/install/lib/libQt6Core.so.6+0x5b2069)
#8 0x7fb3e6226950 in QObject::event(QEvent*) (/home/qt/work/install/lib/libQt6Core.so.6+0x5b4950)
#9 0x7fb3e60fe1fb in QCoreApplicationPrivate::notify_helper(QObject*, QEvent*) (/home/qt/work/install/lib/libQt6Core.so.6+0x48c1fb)
#10 0x7fb3e60fd9e0 (/home/qt/work/install/lib/libQt6Core.so.6+0x48b9e0)
#11 0x7fb3e60fd8a7 in QCoreApplication::notify(QObject*, QEvent*) (/home/qt/work/install/lib/libQt6Core.so.6+0x48b8a7)
#12 0x7fb3e151219e in QGuiApplication::notify(QObject*, QEvent*) (/home/qt/work/install/lib/libQt6Gui.so.6+0x68019e)
#13 0x7fb3e60fd6b9 in QCoreApplication::notifyInternal2(QObject*, QEvent*) (/home/qt/work/install/lib/libQt6Core.so.6+0x48b6b9)
#14 0x7fb3e60fee48 in QCoreApplication::sendEvent(QObject*, QEvent*) (/home/qt/work/install/lib/libQt6Core.so.6+0x48ce48)
#15 0x7fb3e6101567 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) (/home/qt/work/install/lib/libQt6Core.so.6+0x48f567)
#16 0x7fb3e610002d in QCoreApplication::sendPostedEvents(QObject*, int) (/home/qt/work/install/lib/libQt6Core.so.6+0x48e02d)
#17 0x7fb3e6aa3fd0 (/home/qt/work/install/lib/libQt6Core.so.6+0xe31fd0)
#18 0x7fb3df91082a in g_main_context_dispatch (/usr/lib64/libglib-2.0.so.0+0x5582a)
SUMMARY: AddressSanitizer: heap-use-after-free (/home/qt/work/install/qml/QtQuick3D/Physics/../../../lib/libQt6Quick3DPhysics.so.6+0x297f60) in QPhysicsWorld::deregisterNode(QAbstractPhysicsNode*)
Shadow bytes around the buggy address:
0x0c0c80007f60: fa fa fa fa 00 00 00 00 00 00 00 00 fa fa fa fa 0x0c0c80007f70: 00 00 00 00 00 00 00 00 fa fa fa fa 00 00 00 00 0x0c0c80007f80: 00 00 00 00 fa fa fa fa 00 00 00 00 00 00 00 00 0x0c0c80007f90: fa fa fa fa 00 00 00 00 00 00 00 00 fa fa fa fa 0x0c0c80007fa0: 00 00 00 00 00 00 00 00 fa fa fa fa fd fd fd fd =>0x0c0c80007fb0: fd fd[fd]fd fa fa fa fa fd fd fd fd fd fd fd fd 0x0c0c80007fc0: fa fa fa fa fd fd fd fd fd fd fd fd fa fa fa fa 0x0c0c80007fd0: fd fd fd fd fd fd fd fa fa fa fa fa fd fd fd fd 0x0c0c80007fe0: fd fd fd fa fa fa fa fa fa fa fa fa fa fa fa fa 0x0c0c80007ff0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x0c0c80008000: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa Shadow byte legend (one shadow byte represents 8 application bytes): Addressable: 00 Partially addressable: 01 02 03 04 05 06 07 Heap left redzone: fa Freed heap region: fd Stack left redzone: f1 Stack mid redzone: f2 Stack right redzone: f3 Stack after return: f5 Stack use after scope: f8 Global redzone: f9 Global init order: f6 Poisoned by user: f7 Container overflow: fc Array cookie: ac Intra object redzone: bb ASan internal: fe Left alloca redzone: ca Right alloca redzone: cb Shadow gap: cc ==1994==ABORTING sanitizer-testrunner.py INFO: Test exit code was: 1 sanitizer-testrunner.py ERROR: ASAN issues detected