Bug 371268

Summary: Plasma crash viewing Chrome flash/html video full screen
Product: [Plasma] plasmashell Reporter: Shawn Starr <shawn.starr>
Component: generic-crashAssignee: Plasma Bugs List <plasma-bugs-null>
Status: RESOLVED UPSTREAM    
Severity: crash CC: bshah, notuxius, plasma-bugs-null
Priority: NOR Keywords: drkonqi
Version First Reported In: 5.7.5   
Target Milestone: 1.0   
Platform: Fedora RPMs   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:

Description Shawn Starr 2016-10-20 07:26:34 UTC 
Application: plasmashell (5.7.5)

Qt Version: 5.6.1
Frameworks Version: 5.26.0
Operating System: Linux 4.8.0+ x86_64
Distribution: "Fedora release 24 (Twenty Four)"

-- Information about the crash:
Was in Google chrome viewing a video full screen, plasma crashed.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fb6cba37940 (LWP 1094))]

Thread 12 (Thread 0x7fb5c57f9700 (LWP 22037)):
#0  0x00007fb6d5b7ef08 in g_main_context_prepare () at /lib64/libglib-2.0.so.0
#1  0x00007fb6d5b7f92b in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007fb6d5b7fb1c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007fb6db26b24b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007fb6db21a5ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007fb6db079343 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007fb6de3528f5 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#7  0x00007fb6db07d99a in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007fb6d97c05ca in start_thread () at /lib64/libpthread.so.0
#9  0x00007fb6da470f6d in clone () at /lib64/libc.so.6

Thread 11 (Thread 0x7fb6202f2700 (LWP 1168)):
#0  0x00007fb6d5bc3a24 in g_mutex_unlock () at /lib64/libglib-2.0.so.0
#1  0x00007fb6d5b7ef4c in g_main_context_prepare () at /lib64/libglib-2.0.so.0
#2  0x00007fb6d5b7f92b in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#3  0x00007fb6d5b7fb1c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#4  0x00007fb6db26b24b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007fb6db21a5ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#6  0x00007fb6db079343 in QThread::exec() () at /lib64/libQt5Core.so.5
#7  0x00007fb6decdbc66 in QQuickPixmapReader::run() () at /lib64/libQt5Quick.so.5
#8  0x00007fb6db07d99a in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#9  0x00007fb6d97c05ca in start_thread () at /lib64/libpthread.so.0
#10 0x00007fb6da470f6d in clone () at /lib64/libc.so.6

Thread 10 (Thread 0x7fb624859700 (LWP 1167)):
#0  0x00007fb6d97c5bd0 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fb6ae1e2759 in cnd_wait (cond=0x556eb63e5aa0, mtx=0x556eb63e5a78) at ../../../include/c11/threads_posix.h:159
#2  0x00007fb6ae1e2b45 in util_queue_thread_func (input=0x556eb6315cc0) at util/u_queue.c:76
#3  0x00007fb6ae1e2694 in impl_thrd_routine (p=0x556eb6330890) at ../../../include/c11/threads_posix.h:87
#4  0x00007fb6d97c05ca in start_thread () at /lib64/libpthread.so.0
#5  0x00007fb6da470f6d in clone () at /lib64/libc.so.6

Thread 9 (Thread 0x7fb62505a700 (LWP 1166)):
#0  0x00007fb6d97c5bd0 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fb6ae1e2759 in cnd_wait (cond=0x556eb63e5aa0, mtx=0x556eb63e5a78) at ../../../include/c11/threads_posix.h:159
#2  0x00007fb6ae1e2b45 in util_queue_thread_func (input=0x556eb63677b0) at util/u_queue.c:76
#3  0x00007fb6ae1e2694 in impl_thrd_routine (p=0x556eb6316750) at ../../../include/c11/threads_posix.h:87
#4  0x00007fb6d97c05ca in start_thread () at /lib64/libpthread.so.0
#5  0x00007fb6da470f6d in clone () at /lib64/libc.so.6

Thread 8 (Thread 0x7fb62585b700 (LWP 1165)):
#0  0x00007fb6d97c5bd0 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fb6ae1e2759 in cnd_wait (cond=0x556eb63e5aa0, mtx=0x556eb63e5a78) at ../../../include/c11/threads_posix.h:159
#2  0x00007fb6ae1e2b45 in util_queue_thread_func (input=0x556eb6315cc0) at util/u_queue.c:76
#3  0x00007fb6ae1e2694 in impl_thrd_routine (p=0x556eb6330890) at ../../../include/c11/threads_posix.h:87
#4  0x00007fb6d97c05ca in start_thread () at /lib64/libpthread.so.0
#5  0x00007fb6da470f6d in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7fb62605c700 (LWP 1164)):
#0  0x00007fb6d97c5bd0 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fb6ae1e2759 in cnd_wait (cond=0x556eb63e5aa0, mtx=0x556eb63e5a78) at ../../../include/c11/threads_posix.h:159
#2  0x00007fb6ae1e2b45 in util_queue_thread_func (input=0x556eb63677b0) at util/u_queue.c:76
#3  0x00007fb6ae1e2694 in impl_thrd_routine (p=0x556eb6316750) at ../../../include/c11/threads_posix.h:87
#4  0x00007fb6d97c05ca in start_thread () at /lib64/libpthread.so.0
#5  0x00007fb6da470f6d in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7fb6acc18700 (LWP 1163)):
#0  0x00007fb6d97c5bd0 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fb6ae1e2759 in cnd_wait (cond=0x556eb63e4720, mtx=0x556eb63e46f8) at ../../../include/c11/threads_posix.h:159
#2  0x00007fb6ae1e2b45 in util_queue_thread_func (input=0x556eb6359960) at util/u_queue.c:76
#3  0x00007fb6ae1e2694 in impl_thrd_routine (p=0x556eb632ebc0) at ../../../include/c11/threads_posix.h:87
#4  0x00007fb6d97c05ca in start_thread () at /lib64/libpthread.so.0
#5  0x00007fb6da470f6d in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7fb6afbe0700 (LWP 1162)):
#0  0x00007fb6d97c5bd0 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fb6e0b70bc4 in QTWTF::TCMalloc_PageHeap::scavengerThread() () at /lib64/libQt5Script.so.5
#2  0x00007fb6e0b70c09 in  () at /lib64/libQt5Script.so.5
#3  0x00007fb6d97c05ca in start_thread () at /lib64/libpthread.so.0
#4  0x00007fb6da470f6d in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7fb6b99ea700 (LWP 1161)):
#0  0x00007fb6da4653ed in poll () at /lib64/libc.so.6
#1  0x00007fb6d5b7fa06 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007fb6d5b7fb1c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007fb6db26b24b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007fb6db21a5ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007fb6db079343 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007fb6de3528f5 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#7  0x00007fb6db07d99a in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007fb6d97c05ca in start_thread () at /lib64/libpthread.so.0
#9  0x00007fb6da470f6d in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7fb6bb3ea700 (LWP 1142)):
#0  0x00007fb6da46104d in read () at /lib64/libc.so.6
#1  0x00007fb6d5bc2660 in g_wakeup_acknowledge () at /lib64/libglib-2.0.so.0
#2  0x00007fb6d5b7f4d6 in g_main_context_check () at /lib64/libglib-2.0.so.0
#3  0x00007fb6d5b7f9a4 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#4  0x00007fb6d5b7fb1c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#5  0x00007fb6db26b24b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#6  0x00007fb6db21a5ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#7  0x00007fb6db079343 in QThread::exec() () at /lib64/libQt5Core.so.5
#8  0x00007fb6de3528f5 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#9  0x00007fb6db07d99a in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#10 0x00007fb6d97c05ca in start_thread () at /lib64/libpthread.so.0
#11 0x00007fb6da470f6d in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7fb6c0e8a700 (LWP 1102)):
#0  0x00007fb6d5b7ca48 in g_source_iter_next () at /lib64/libglib-2.0.so.0
#1  0x00007fb6d5b7eefb in g_main_context_prepare () at /lib64/libglib-2.0.so.0
#2  0x00007fb6d5b7f92b in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#3  0x00007fb6d5b7fb1c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#4  0x00007fb6db26b24b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007fb6db21a5ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#6  0x00007fb6db079343 in QThread::exec() () at /lib64/libQt5Core.so.5
#7  0x00007fb6db967559 in QDBusConnectionManager::run() () at /lib64/libQt5DBus.so.5
#8  0x00007fb6db07d99a in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#9  0x00007fb6d97c05ca in start_thread () at /lib64/libpthread.so.0
#10 0x00007fb6da470f6d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7fb6cba37940 (LWP 1094)):
[KCrash Handler]
#6  0x00007fb6db0f6cc5 in QtSharedPointer::ExternalRefCountData::getAndRef(QObject const*) () at /lib64/libQt5Core.so.5
#7  0x00007fb6de294e9c in QV4::QObjectWrapper::create(QV4::ExecutionEngine*, QObject*) () at /lib64/libQt5Qml.so.5
#8  0x00007fb6de2965f9 in QV4::QObjectWrapper::wrap(QV4::ExecutionEngine*, QObject*) () at /lib64/libQt5Qml.so.5
#9  0x00007fb6de2969ef in unsigned long long LoadProperty<&ReadAccessor::Direct>(QV4::ExecutionEngine*, QObject*, QQmlPropertyData const&, QQmlNotifier**) [clone .isra.127] () at /lib64/libQt5Qml.so.5
#10 0x00007fb6de2978bd in QV4::QObjectWrapper::getProperty(QV4::ExecutionEngine*, QObject*, QQmlPropertyData*, bool) () at /lib64/libQt5Qml.so.5
#11 0x00007fb6de2b2424 in QV4::Runtime::getQmlQObjectProperty(QV4::ExecutionEngine*, QV4::Value const&, int, bool) () at /lib64/libQt5Qml.so.5
#12 0x00007fb606dfd9b5 in  ()
#13 0x0000000000000000 in  ()

Possible duplicates by query: bug 356719, bug 355728.

Reported using DrKonqi
Comment 1 Alexander Mentyu 2017-08-24 07:55:47 UTC 
Tested various flash content/video without any crashes in:

Distribution: KDE neon Developer Edition Unstable Branches
KDE Plasma Version: 5.10.90
KDE Frameworks Version: 5.37.0
Qt Version: 5.9.1
Kernel Version: 4.10.0-32-generic
flashplugin-installer/xenial-security,xenial-updates,now 26.0.0.151ubuntu0.16.04.1
google-chrome-stable/now 60.0.3112.101-1
Comment 2 Christoph Feck 2017-09-19 22:47:53 UTC 
Crash is deep inside QML script engine. If this is reproducible with Qt 5.9.1, please report it with an updated backtrace directly to Qt developers via https://bugreports.qt.io/