Application: kmail (5.5.3) Qt Version: 5.7.1 Frameworks Version: 5.36.0 Operating System: Linux 4.10.0-30-generic x86_64 Distribution: KDE neon LTS User Edition 5.8 -- Information about the crash: - What I was doing when the application crashed: I was browsing a website [1] and clicked on the mailto:info@revos.de link on that page. Shortly thereafter DrKonqi popped up, informing me that KMail had crashed. [1]: http://revos.de/kontakt/ The crash can be reproduced every time. -- Backtrace: Application: KMail (kmail), signal: Segmentation fault Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". [Current thread is 1 (Thread 0x7fb30304ca00 (LWP 7734))] Thread 22 (Thread 0x7fb283ffd700 (LWP 7813)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fb31d8355af in base::SequencedWorkerPool::Inner::ThreadLoop (this=0x1188950, this_worker=this_worker@entry=0x11fb650) at /workspace/build/src/3rdparty/chromium/base/threading/sequenced_worker_pool.cc:903 #2 0x00007fb31d835bc9 in base::SequencedWorkerPool::Worker::Run (this=0x11fb650) at /workspace/build/src/3rdparty/chromium/base/threading/sequenced_worker_pool.cc:535 #3 0x00007fb31d835d80 in base::SimpleThread::ThreadMain (this=0x11fb650) at /workspace/build/src/3rdparty/chromium/base/threading/simple_thread.cc:66 #4 0x00007fb31d832747 in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at /workspace/build/src/3rdparty/chromium/base/threading/platform_thread_posix.cc:67 #5 0x00007fb325dea6ba in start_thread (arg=0x7fb283ffd700) at pthread_create.c:333 #6 0x00007fb32f7c53dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 21 (Thread 0x7fb2b4ff9700 (LWP 7812)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fb31d8355af in base::SequencedWorkerPool::Inner::ThreadLoop (this=0x1188950, this_worker=this_worker@entry=0x11e6170) at /workspace/build/src/3rdparty/chromium/base/threading/sequenced_worker_pool.cc:903 #2 0x00007fb31d835bc9 in base::SequencedWorkerPool::Worker::Run (this=0x11e6170) at /workspace/build/src/3rdparty/chromium/base/threading/sequenced_worker_pool.cc:535 #3 0x00007fb31d835d80 in base::SimpleThread::ThreadMain (this=0x11e6170) at /workspace/build/src/3rdparty/chromium/base/threading/simple_thread.cc:66 #4 0x00007fb31d832747 in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at /workspace/build/src/3rdparty/chromium/base/threading/platform_thread_posix.cc:67 #5 0x00007fb325dea6ba in start_thread (arg=0x7fb2b4ff9700) at pthread_create.c:333 #6 0x00007fb32f7c53dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 20 (Thread 0x7fb2b57fa700 (LWP 7811)): #0 0x00007fb30d218a76 in pa_queue_pop () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-8.0.so #1 0x00007fb30d217886 in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-8.0.so #2 0x00007fb30d218458 in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-8.0.so #3 0x00007fb30d218789 in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-8.0.so #4 0x00007fb30d21901a in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-8.0.so #5 0x00007fb314a380b7 in pa_mainloop_dispatch () from /usr/lib/x86_64-linux-gnu/libpulse.so.0 #6 0x00007fb314a384bc in pa_mainloop_iterate () from /usr/lib/x86_64-linux-gnu/libpulse.so.0 #7 0x00007fb314a38560 in pa_mainloop_run () from /usr/lib/x86_64-linux-gnu/libpulse.so.0 #8 0x00007fb314a467a9 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0 #9 0x00007fb30d229078 in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-8.0.so #10 0x00007fb325dea6ba in start_thread (arg=0x7fb2b57fa700) at pthread_create.c:333 #11 0x00007fb32f7c53dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 19 (Thread 0x7fb2b5ffb700 (LWP 7810)): #0 __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95 #1 0x00007fb32f7d4b34 in ___fprintf_chk (fp=0x7fb32fa84770 <_IO_stdfile_2_lock>, flag=1, format=0x7fb3136a0734 "[%s] %s\n") at fprintf_chk.c:30 #2 0x00007fb31368845e in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.0.so.5 #3 0x00007fb313688654 in event_warn () from /usr/lib/x86_64-linux-gnu/libevent-2.0.so.5 #4 0x00007fb31368cc38 in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.0.so.5 #5 0x00007fb313676e2d in event_base_loop () from /usr/lib/x86_64-linux-gnu/libevent-2.0.so.5 #6 0x00007fb31d7e2199 in base::MessagePumpLibevent::Run (this=0x7fb28c001940, delegate=0x7fb298001c70) at /workspace/build/src/3rdparty/chromium/base/message_loop/message_pump_libevent.cc:256 #7 0x00007fb31d81da32 in base::RunLoop::Run (this=this@entry=0x7fb2b5ffabb0) at /workspace/build/src/3rdparty/chromium/base/run_loop.cc:56 #8 0x00007fb31d8076f5 in base::MessageLoop::Run (this=<optimized out>) at /workspace/build/src/3rdparty/chromium/base/message_loop/message_loop.cc:293 #9 0x00007fb31d8363aa in base::Thread::Run (message_loop=<optimized out>, this=0x7fb298001a18) at /workspace/build/src/3rdparty/chromium/base/threading/thread.cc:200 #10 base::Thread::ThreadMain (this=0x7fb298001a18) at /workspace/build/src/3rdparty/chromium/base/threading/thread.cc:252 #11 0x00007fb31d832747 in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at /workspace/build/src/3rdparty/chromium/base/threading/platform_thread_posix.cc:67 #12 0x00007fb325dea6ba in start_thread (arg=0x7fb2b5ffb700) at pthread_create.c:333 #13 0x00007fb32f7c53dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 18 (Thread 0x7fb2b67fc700 (LWP 7809)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225 #1 0x00007fb31d829b92 in base::ConditionVariable::TimedWait (this=this@entry=0x7fb2b67fba90, max_time=...) at /workspace/build/src/3rdparty/chromium/base/synchronization/condition_variable_posix.cc:117 #2 0x00007fb31d82a42d in base::WaitableEvent::TimedWait (this=this@entry=0x7fb298001950, max_time=...) at /workspace/build/src/3rdparty/chromium/base/synchronization/waitable_event_posix.cc:214 #3 0x00007fb31d80b658 in base::MessagePumpDefault::Run (this=0x7fb298001940, delegate=0x7fb2a400a090) at /workspace/build/src/3rdparty/chromium/base/message_loop/message_pump_default.cc:57 #4 0x00007fb31d81da32 in base::RunLoop::Run (this=this@entry=0x7fb2b67fbbb0) at /workspace/build/src/3rdparty/chromium/base/run_loop.cc:56 #5 0x00007fb31d8076f5 in base::MessageLoop::Run (this=<optimized out>) at /workspace/build/src/3rdparty/chromium/base/message_loop/message_loop.cc:293 #6 0x00007fb31d8363aa in base::Thread::Run (message_loop=<optimized out>, this=0x7fb2a40078a0) at /workspace/build/src/3rdparty/chromium/base/threading/thread.cc:200 #7 base::Thread::ThreadMain (this=0x7fb2a40078a0) at /workspace/build/src/3rdparty/chromium/base/threading/thread.cc:252 #8 0x00007fb31d832747 in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at /workspace/build/src/3rdparty/chromium/base/threading/platform_thread_posix.cc:67 #9 0x00007fb325dea6ba in start_thread (arg=0x7fb2b67fc700) at pthread_create.c:333 #10 0x00007fb32f7c53dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 17 (Thread 0x7fb2b6ffd700 (LWP 7808)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fb31d3166f0 in mojo::system::Waiter::Wait (this=this@entry=0x7fb2b6ffc7a0, deadline=deadline@entry=18446744073709551615, context=context@entry=0x7fb2b6ffc770) at /workspace/build/src/3rdparty/chromium/third_party/mojo/src/mojo/edk/system/waiter.cc:62 #2 0x00007fb31d2ff069 in mojo::system::Core::WaitManyInternal (this=<optimized out>, handles=handles@entry=0x7fb2b6ffc87c, signals=signals@entry=0x7fb2b6ffc878, num_handles=num_handles@entry=1, deadline=deadline@entry=18446744073709551615, result_index=result_index@entry=0x7fb2b6ffc88c, signals_states=0x0) at /workspace/build/src/3rdparty/chromium/third_party/mojo/src/mojo/edk/system/core.cc:669 #3 0x00007fb31d2ff0eb in mojo::system::Core::Wait (this=<optimized out>, handle=handle@entry=4, signals=signals@entry=1, deadline=deadline@entry=18446744073709551615, signals_state=...) at /workspace/build/src/3rdparty/chromium/third_party/mojo/src/mojo/edk/system/core.cc:148 #4 0x00007fb31d2fa9ba in MojoWait (handle=4, signals=signals@entry=1, deadline=18446744073709551615, signals_state=signals_state@entry=0x0) at /workspace/build/src/3rdparty/chromium/third_party/mojo/src/mojo/edk/embedder/entrypoints.cc:53 #5 0x00007fb31e69117e in mojo::Wait (signals_state=0x0, deadline=<optimized out>, signals=1, handle=...) at /workspace/build/src/3rdparty/chromium/mojo/public/cpp/system/handle.h:179 #6 mojo::common::MessagePumpMojo::WaitForReadyHandles (this=this@entry=0x7fb294001940, run_state=...) at /workspace/build/src/3rdparty/chromium/mojo/message_pump/message_pump_mojo.cc:244 #7 0x00007fb31e6935b4 in mojo::common::MessagePumpMojo::DoInternalWork (this=0x7fb294001940, run_state=..., block=true) at /workspace/build/src/3rdparty/chromium/mojo/message_pump/message_pump_mojo.cc:209 #8 0x00007fb31e693605 in mojo::common::MessagePumpMojo::DoRunLoop (this=this@entry=0x7fb294001940, run_state=run_state@entry=0x7fb2b6ffcb10, delegate=delegate@entry=0x7fb2a4006ba0) at /workspace/build/src/3rdparty/chromium/mojo/message_pump/message_pump_mojo.cc:176 #9 0x00007fb31e6936e9 in mojo::common::MessagePumpMojo::Run (this=0x7fb294001940, delegate=0x7fb2a4006ba0) at /workspace/build/src/3rdparty/chromium/mojo/message_pump/message_pump_mojo.cc:146 #10 0x00007fb31d81da32 in base::RunLoop::Run (this=this@entry=0x7fb2b6ffcbb0) at /workspace/build/src/3rdparty/chromium/base/run_loop.cc:56 #11 0x00007fb31d8076f5 in base::MessageLoop::Run (this=<optimized out>) at /workspace/build/src/3rdparty/chromium/base/message_loop/message_loop.cc:293 #12 0x00007fb31d8363aa in base::Thread::Run (message_loop=<optimized out>, this=0x7fb2a4006930) at /workspace/build/src/3rdparty/chromium/base/threading/thread.cc:200 #13 base::Thread::ThreadMain (this=0x7fb2a4006930) at /workspace/build/src/3rdparty/chromium/base/threading/thread.cc:252 #14 0x00007fb31d832747 in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at /workspace/build/src/3rdparty/chromium/base/threading/platform_thread_posix.cc:67 #15 0x00007fb325dea6ba in start_thread (arg=0x7fb2b6ffd700) at pthread_create.c:333 #16 0x00007fb32f7c53dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 16 (Thread 0x7fb2b77fe700 (LWP 7807)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225 #1 0x00007fb31d829b92 in base::ConditionVariable::TimedWait (this=this@entry=0x7fb2b77fda90, max_time=...) at /workspace/build/src/3rdparty/chromium/base/synchronization/condition_variable_posix.cc:117 #2 0x00007fb31d82a42d in base::WaitableEvent::TimedWait (this=this@entry=0x7fb2a00018c0, max_time=...) at /workspace/build/src/3rdparty/chromium/base/synchronization/waitable_event_posix.cc:214 #3 0x00007fb31d80b658 in base::MessagePumpDefault::Run (this=0x7fb2a00018b0, delegate=0x11c64d0) at /workspace/build/src/3rdparty/chromium/base/message_loop/message_pump_default.cc:57 #4 0x00007fb31d81da32 in base::RunLoop::Run (this=this@entry=0x7fb2b77fdbb0) at /workspace/build/src/3rdparty/chromium/base/run_loop.cc:56 #5 0x00007fb31d8076f5 in base::MessageLoop::Run (this=<optimized out>) at /workspace/build/src/3rdparty/chromium/base/message_loop/message_loop.cc:293 #6 0x00007fb31d8363aa in base::Thread::Run (message_loop=<optimized out>, this=0x11e1960) at /workspace/build/src/3rdparty/chromium/base/threading/thread.cc:200 #7 base::Thread::ThreadMain (this=0x11e1960) at /workspace/build/src/3rdparty/chromium/base/threading/thread.cc:252 #8 0x00007fb31d832747 in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at /workspace/build/src/3rdparty/chromium/base/threading/platform_thread_posix.cc:67 #9 0x00007fb325dea6ba in start_thread (arg=0x7fb2b77fe700) at pthread_create.c:333 #10 0x00007fb32f7c53dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 15 (Thread 0x7fb2b7fff700 (LWP 7806)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fb31cdf3a6d in cc::SingleThreadTaskGraphRunner::Run (this=0x11e8df0) at /workspace/build/src/3rdparty/chromium/cc/raster/single_thread_task_graph_runner.cc:123 #2 0x00007fb31d835c5e in base::DelegateSimpleThread::Run (this=0x11eb9c0) at /workspace/build/src/3rdparty/chromium/base/threading/simple_thread.cc:87 #3 0x00007fb31d835d80 in base::SimpleThread::ThreadMain (this=0x11eb9c0) at /workspace/build/src/3rdparty/chromium/base/threading/simple_thread.cc:66 #4 0x00007fb31d832747 in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at /workspace/build/src/3rdparty/chromium/base/threading/platform_thread_posix.cc:67 #5 0x00007fb325dea6ba in start_thread (arg=0x7fb2b7fff700) at pthread_create.c:333 #6 0x00007fb32f7c53dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 14 (Thread 0x7fb2c8ff9700 (LWP 7805)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fb31d82a39d in base::WaitableEvent::TimedWait (this=this@entry=0x7fb2b00018c0, max_time=...) at /workspace/build/src/3rdparty/chromium/base/synchronization/waitable_event_posix.cc:216 #2 0x00007fb31d82a475 in base::WaitableEvent::Wait (this=this@entry=0x7fb2b00018c0) at /workspace/build/src/3rdparty/chromium/base/synchronization/waitable_event_posix.cc:156 #3 0x00007fb31d80b60d in base::MessagePumpDefault::Run (this=0x7fb2b00018b0, delegate=0x11c6320) at /workspace/build/src/3rdparty/chromium/base/message_loop/message_pump_default.cc:53 #4 0x00007fb31d81da32 in base::RunLoop::Run (this=this@entry=0x7fb2c8ff8bb0) at /workspace/build/src/3rdparty/chromium/base/run_loop.cc:56 #5 0x00007fb31d8076f5 in base::MessageLoop::Run (this=<optimized out>) at /workspace/build/src/3rdparty/chromium/base/message_loop/message_loop.cc:293 #6 0x00007fb31d8363aa in base::Thread::Run (message_loop=<optimized out>, this=0x11dc6d0) at /workspace/build/src/3rdparty/chromium/base/threading/thread.cc:200 #7 base::Thread::ThreadMain (this=0x11dc6d0) at /workspace/build/src/3rdparty/chromium/base/threading/thread.cc:252 #8 0x00007fb31d832747 in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at /workspace/build/src/3rdparty/chromium/base/threading/platform_thread_posix.cc:67 #9 0x00007fb325dea6ba in start_thread (arg=0x7fb2c8ff9700) at pthread_create.c:333 #10 0x00007fb32f7c53dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 13 (Thread 0x7fb2c97fa700 (LWP 7804)): #0 __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95 #1 0x00007fb32f7d4b34 in ___fprintf_chk (fp=0x7fb32fa84770 <_IO_stdfile_2_lock>, flag=1, format=0x7fb3136a0734 "[%s] %s\n") at fprintf_chk.c:30 #2 0x00007fb31368845e in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.0.so.5 #3 0x00007fb313688654 in event_warn () from /usr/lib/x86_64-linux-gnu/libevent-2.0.so.5 #4 0x00007fb31368cc38 in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.0.so.5 #5 0x00007fb313676e2d in event_base_loop () from /usr/lib/x86_64-linux-gnu/libevent-2.0.so.5 #6 0x00007fb31d7e20fe in base::MessagePumpLibevent::Run (this=0x7fb2a40018b0, delegate=0x11efcd0) at /workspace/build/src/3rdparty/chromium/base/message_loop/message_pump_libevent.cc:233 #7 0x00007fb31d81da32 in base::RunLoop::Run (this=this@entry=0x7fb2c97f9820) at /workspace/build/src/3rdparty/chromium/base/run_loop.cc:56 #8 0x00007fb31d8076f5 in base::MessageLoop::Run (this=this@entry=0x11efcd0) at /workspace/build/src/3rdparty/chromium/base/message_loop/message_loop.cc:293 #9 0x00007fb31d836088 in base::Thread::Run (this=this@entry=0x11ef540, message_loop=message_loop@entry=0x11efcd0) at /workspace/build/src/3rdparty/chromium/base/threading/thread.cc:200 #10 0x00007fb31ca0b8d8 in content::BrowserThreadImpl::IOThreadRun (this=this@entry=0x11ef540, message_loop=message_loop@entry=0x11efcd0) at /workspace/build/src/3rdparty/chromium/content/browser/browser_thread_impl.cc:215 #11 0x00007fb31ca0ba1b in content::BrowserThreadImpl::Run (this=0x11ef540, message_loop=0x11efcd0) at /workspace/build/src/3rdparty/chromium/content/browser/browser_thread_impl.cc:250 #12 0x00007fb31d836428 in base::Thread::ThreadMain (this=0x11ef540) at /workspace/build/src/3rdparty/chromium/base/threading/thread.cc:252 #13 0x00007fb31d832747 in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at /workspace/build/src/3rdparty/chromium/base/threading/platform_thread_posix.cc:67 #14 0x00007fb325dea6ba in start_thread (arg=0x7fb2c97fa700) at pthread_create.c:333 #15 0x00007fb32f7c53dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 12 (Thread 0x7fb2c9ffb700 (LWP 7803)): #0 0x00007fb313676d96 in event_base_loop () from /usr/lib/x86_64-linux-gnu/libevent-2.0.so.5 #1 0x00007fb31d7e20fe in base::MessagePumpLibevent::Run (this=0x7fb2b8001940, delegate=0x11e1770) at /workspace/build/src/3rdparty/chromium/base/message_loop/message_pump_libevent.cc:233 #2 0x00007fb31d81da32 in base::RunLoop::Run (this=this@entry=0x7fb2c9ffa820) at /workspace/build/src/3rdparty/chromium/base/run_loop.cc:56 #3 0x00007fb31d8076f5 in base::MessageLoop::Run (this=this@entry=0x11e1770) at /workspace/build/src/3rdparty/chromium/base/message_loop/message_loop.cc:293 #4 0x00007fb31d836088 in base::Thread::Run (this=this@entry=0x11e9cf0, message_loop=message_loop@entry=0x11e1770) at /workspace/build/src/3rdparty/chromium/base/threading/thread.cc:200 #5 0x00007fb31ca0b828 in content::BrowserThreadImpl::CacheThreadRun (this=this@entry=0x11e9cf0, message_loop=message_loop@entry=0x11e1770) at /workspace/build/src/3rdparty/chromium/content/browser/browser_thread_impl.cc:209 #6 0x00007fb31ca0ba7b in content::BrowserThreadImpl::Run (this=0x11e9cf0, message_loop=0x11e1770) at /workspace/build/src/3rdparty/chromium/content/browser/browser_thread_impl.cc:248 #7 0x00007fb31d836428 in base::Thread::ThreadMain (this=0x11e9cf0) at /workspace/build/src/3rdparty/chromium/base/threading/thread.cc:252 #8 0x00007fb31d832747 in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at /workspace/build/src/3rdparty/chromium/base/threading/platform_thread_posix.cc:67 #9 0x00007fb325dea6ba in start_thread (arg=0x7fb2c9ffb700) at pthread_create.c:333 #10 0x00007fb32f7c53dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 11 (Thread 0x7fb2ca7fc700 (LWP 7802)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fb31d82a39d in base::WaitableEvent::TimedWait (this=this@entry=0x7fb2ac000950, max_time=...) at /workspace/build/src/3rdparty/chromium/base/synchronization/waitable_event_posix.cc:216 #2 0x00007fb31d82a475 in base::WaitableEvent::Wait (this=this@entry=0x7fb2ac000950) at /workspace/build/src/3rdparty/chromium/base/synchronization/waitable_event_posix.cc:156 #3 0x00007fb31d80b60d in base::MessagePumpDefault::Run (this=0x7fb2ac000940, delegate=0x11ed770) at /workspace/build/src/3rdparty/chromium/base/message_loop/message_pump_default.cc:53 #4 0x00007fb31d81da32 in base::RunLoop::Run (this=this@entry=0x7fb2ca7fb820) at /workspace/build/src/3rdparty/chromium/base/run_loop.cc:56 #5 0x00007fb31d8076f5 in base::MessageLoop::Run (this=this@entry=0x11ed770) at /workspace/build/src/3rdparty/chromium/base/message_loop/message_loop.cc:293 #6 0x00007fb31d836088 in base::Thread::Run (this=this@entry=0x11d5d80, message_loop=message_loop@entry=0x11ed770) at /workspace/build/src/3rdparty/chromium/base/threading/thread.cc:200 #7 0x00007fb31ca0b778 in content::BrowserThreadImpl::ProcessLauncherThreadRun (this=this@entry=0x11d5d80, message_loop=message_loop@entry=0x11ed770) at /workspace/build/src/3rdparty/chromium/content/browser/browser_thread_impl.cc:202 #8 0x00007fb31ca0ba6b in content::BrowserThreadImpl::Run (this=0x11d5d80, message_loop=0x11ed770) at /workspace/build/src/3rdparty/chromium/content/browser/browser_thread_impl.cc:246 #9 0x00007fb31d836428 in base::Thread::ThreadMain (this=0x11d5d80) at /workspace/build/src/3rdparty/chromium/base/threading/thread.cc:252 #10 0x00007fb31d832747 in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at /workspace/build/src/3rdparty/chromium/base/threading/platform_thread_posix.cc:67 #11 0x00007fb325dea6ba in start_thread (arg=0x7fb2ca7fc700) at pthread_create.c:333 #12 0x00007fb32f7c53dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 10 (Thread 0x7fb2caffd700 (LWP 7801)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fb31d82a39d in base::WaitableEvent::TimedWait (this=this@entry=0x7fb2bc000950, max_time=...) at /workspace/build/src/3rdparty/chromium/base/synchronization/waitable_event_posix.cc:216 #2 0x00007fb31d82a475 in base::WaitableEvent::Wait (this=this@entry=0x7fb2bc000950) at /workspace/build/src/3rdparty/chromium/base/synchronization/waitable_event_posix.cc:156 #3 0x00007fb31d80b60d in base::MessagePumpDefault::Run (this=0x7fb2bc000940, delegate=0x11e4d30) at /workspace/build/src/3rdparty/chromium/base/message_loop/message_pump_default.cc:53 #4 0x00007fb31d81da32 in base::RunLoop::Run (this=this@entry=0x7fb2caffc820) at /workspace/build/src/3rdparty/chromium/base/run_loop.cc:56 #5 0x00007fb31d8076f5 in base::MessageLoop::Run (this=this@entry=0x11e4d30) at /workspace/build/src/3rdparty/chromium/base/message_loop/message_loop.cc:293 #6 0x00007fb31d836088 in base::Thread::Run (this=this@entry=0x11e1e00, message_loop=message_loop@entry=0x11e4d30) at /workspace/build/src/3rdparty/chromium/base/threading/thread.cc:200 #7 0x00007fb31ca0b6c8 in content::BrowserThreadImpl::FileUserBlockingThreadRun (this=this@entry=0x11e1e00, message_loop=message_loop@entry=0x11e4d30) at /workspace/build/src/3rdparty/chromium/content/browser/browser_thread_impl.cc:195 #8 0x00007fb31ca0ba5b in content::BrowserThreadImpl::Run (this=0x11e1e00, message_loop=0x11e4d30) at /workspace/build/src/3rdparty/chromium/content/browser/browser_thread_impl.cc:244 #9 0x00007fb31d836428 in base::Thread::ThreadMain (this=0x11e1e00) at /workspace/build/src/3rdparty/chromium/base/threading/thread.cc:252 #10 0x00007fb31d832747 in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at /workspace/build/src/3rdparty/chromium/base/threading/platform_thread_posix.cc:67 #11 0x00007fb325dea6ba in start_thread (arg=0x7fb2caffd700) at pthread_create.c:333 #12 0x00007fb32f7c53dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 9 (Thread 0x7fb2cb7fe700 (LWP 7800)): #0 __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95 #1 0x00007fb32f7d4b34 in ___fprintf_chk (fp=0x7fb32fa84770 <_IO_stdfile_2_lock>, flag=1, format=0x7fb3136a0734 "[%s] %s\n") at fprintf_chk.c:30 #2 0x00007fb31368845e in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.0.so.5 #3 0x00007fb313688654 in event_warn () from /usr/lib/x86_64-linux-gnu/libevent-2.0.so.5 #4 0x00007fb31368cc38 in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.0.so.5 #5 0x00007fb313676e2d in event_base_loop () from /usr/lib/x86_64-linux-gnu/libevent-2.0.so.5 #6 0x00007fb31d7e2199 in base::MessagePumpLibevent::Run (this=0x7fb29c001940, delegate=0x11d5490) at /workspace/build/src/3rdparty/chromium/base/message_loop/message_pump_libevent.cc:256 #7 0x00007fb31d81da32 in base::RunLoop::Run (this=this@entry=0x7fb2cb7fd820) at /workspace/build/src/3rdparty/chromium/base/run_loop.cc:56 #8 0x00007fb31d8076f5 in base::MessageLoop::Run (this=this@entry=0x11d5490) at /workspace/build/src/3rdparty/chromium/base/message_loop/message_loop.cc:293 #9 0x00007fb31d836088 in base::Thread::Run (this=this@entry=0x11e8c60, message_loop=message_loop@entry=0x11d5490) at /workspace/build/src/3rdparty/chromium/base/threading/thread.cc:200 #10 0x00007fb31ca0b618 in content::BrowserThreadImpl::FileThreadRun (this=this@entry=0x11e8c60, message_loop=message_loop@entry=0x11d5490) at /workspace/build/src/3rdparty/chromium/content/browser/browser_thread_impl.cc:188 #11 0x00007fb31ca0ba4b in content::BrowserThreadImpl::Run (this=0x11e8c60, message_loop=0x11d5490) at /workspace/build/src/3rdparty/chromium/content/browser/browser_thread_impl.cc:242 #12 0x00007fb31d836428 in base::Thread::ThreadMain (this=0x11e8c60) at /workspace/build/src/3rdparty/chromium/base/threading/thread.cc:252 #13 0x00007fb31d832747 in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at /workspace/build/src/3rdparty/chromium/base/threading/platform_thread_posix.cc:67 #14 0x00007fb325dea6ba in start_thread (arg=0x7fb2cb7fe700) at pthread_create.c:333 #15 0x00007fb32f7c53dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 8 (Thread 0x7fb2cbfff700 (LWP 7799)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fb31d82a39d in base::WaitableEvent::TimedWait (this=this@entry=0x7fb2c00018c0, max_time=...) at /workspace/build/src/3rdparty/chromium/base/synchronization/waitable_event_posix.cc:216 #2 0x00007fb31d82a475 in base::WaitableEvent::Wait (this=this@entry=0x7fb2c00018c0) at /workspace/build/src/3rdparty/chromium/base/synchronization/waitable_event_posix.cc:156 #3 0x00007fb31d80b60d in base::MessagePumpDefault::Run (this=0x7fb2c00018b0, delegate=0x11d5060) at /workspace/build/src/3rdparty/chromium/base/message_loop/message_pump_default.cc:53 #4 0x00007fb31d81da32 in base::RunLoop::Run (this=this@entry=0x7fb2cbffe820) at /workspace/build/src/3rdparty/chromium/base/run_loop.cc:56 #5 0x00007fb31d8076f5 in base::MessageLoop::Run (this=this@entry=0x11d5060) at /workspace/build/src/3rdparty/chromium/base/message_loop/message_loop.cc:293 #6 0x00007fb31d836088 in base::Thread::Run (this=this@entry=0x11eb660, message_loop=message_loop@entry=0x11d5060) at /workspace/build/src/3rdparty/chromium/base/threading/thread.cc:200 #7 0x00007fb31ca0b568 in content::BrowserThreadImpl::DBThreadRun (this=this@entry=0x11eb660, message_loop=message_loop@entry=0x11d5060) at /workspace/build/src/3rdparty/chromium/content/browser/browser_thread_impl.cc:181 #8 0x00007fb31ca0ba3b in content::BrowserThreadImpl::Run (this=0x11eb660, message_loop=0x11d5060) at /workspace/build/src/3rdparty/chromium/content/browser/browser_thread_impl.cc:240 #9 0x00007fb31d836428 in base::Thread::ThreadMain (this=0x11eb660) at /workspace/build/src/3rdparty/chromium/base/threading/thread.cc:252 #10 0x00007fb31d832747 in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at /workspace/build/src/3rdparty/chromium/base/threading/platform_thread_posix.cc:67 #11 0x00007fb325dea6ba in start_thread (arg=0x7fb2cbfff700) at pthread_create.c:333 #12 0x00007fb32f7c53dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 7 (Thread 0x7fb2e09e9700 (LWP 7798)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225 #1 0x00007fb31d829b92 in base::ConditionVariable::TimedWait (this=this@entry=0x7fb2d80078c8, max_time=...) at /workspace/build/src/3rdparty/chromium/base/synchronization/condition_variable_posix.cc:117 #2 0x00007fb31d838ff8 in base::PosixDynamicThreadPool::WaitForTask (this=0x7fb2d8007870) at /workspace/build/src/3rdparty/chromium/base/threading/worker_pool_posix.cc:180 #3 0x00007fb31d83952d in base::(anonymous namespace)::WorkerThread::ThreadMain (this=0x7fb2d8007e20) at /workspace/build/src/3rdparty/chromium/base/threading/worker_pool_posix.cc:86 #4 0x00007fb31d832747 in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at /workspace/build/src/3rdparty/chromium/base/threading/platform_thread_posix.cc:67 #5 0x00007fb325dea6ba in start_thread (arg=0x7fb2e09e9700) at pthread_create.c:333 #6 0x00007fb32f7c53dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 6 (Thread 0x7fb2e11ea700 (LWP 7797)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225 #1 0x00007fb31d829b92 in base::ConditionVariable::TimedWait (this=this@entry=0x7fb2d80078c8, max_time=...) at /workspace/build/src/3rdparty/chromium/base/synchronization/condition_variable_posix.cc:117 #2 0x00007fb31d838ff8 in base::PosixDynamicThreadPool::WaitForTask (this=0x7fb2d8007870) at /workspace/build/src/3rdparty/chromium/base/threading/worker_pool_posix.cc:180 #3 0x00007fb31d83952d in base::(anonymous namespace)::WorkerThread::ThreadMain (this=0x7fb2d8007ba0) at /workspace/build/src/3rdparty/chromium/base/threading/worker_pool_posix.cc:86 #4 0x00007fb31d832747 in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at /workspace/build/src/3rdparty/chromium/base/threading/platform_thread_posix.cc:67 #5 0x00007fb325dea6ba in start_thread (arg=0x7fb2e11ea700) at pthread_create.c:333 #6 0x00007fb32f7c53dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 5 (Thread 0x7fb2e19eb700 (LWP 7796)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fb31d82a39d in base::WaitableEvent::TimedWait (this=this@entry=0x7fb2cc0018c0, max_time=...) at /workspace/build/src/3rdparty/chromium/base/synchronization/waitable_event_posix.cc:216 #2 0x00007fb31d82a475 in base::WaitableEvent::Wait (this=this@entry=0x7fb2cc0018c0) at /workspace/build/src/3rdparty/chromium/base/synchronization/waitable_event_posix.cc:156 #3 0x00007fb31d80b60d in base::MessagePumpDefault::Run (this=0x7fb2cc0018b0, delegate=0x7fb2d8006940) at /workspace/build/src/3rdparty/chromium/base/message_loop/message_pump_default.cc:53 #4 0x00007fb31d81da32 in base::RunLoop::Run (this=this@entry=0x7fb2e19eabb0) at /workspace/build/src/3rdparty/chromium/base/run_loop.cc:56 #5 0x00007fb31d8076f5 in base::MessageLoop::Run (this=<optimized out>) at /workspace/build/src/3rdparty/chromium/base/message_loop/message_loop.cc:293 #6 0x00007fb31d8363aa in base::Thread::Run (message_loop=<optimized out>, this=0x7fb32082a858 <base::(anonymous namespace)::g_inotify_reader+88>) at /workspace/build/src/3rdparty/chromium/base/threading/thread.cc:200 #7 base::Thread::ThreadMain (this=0x7fb32082a858 <base::(anonymous namespace)::g_inotify_reader+88>) at /workspace/build/src/3rdparty/chromium/base/threading/thread.cc:252 #8 0x00007fb31d832747 in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at /workspace/build/src/3rdparty/chromium/base/threading/platform_thread_posix.cc:67 #9 0x00007fb325dea6ba in start_thread (arg=0x7fb2e19eb700) at pthread_create.c:333 #10 0x00007fb32f7c53dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 4 (Thread 0x7fb2e21ec700 (LWP 7795)): #0 __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95 #1 0x00007fb32f7d4b34 in ___fprintf_chk (fp=0x7fb32fa84770 <_IO_stdfile_2_lock>, flag=1, format=0x7fb3136a0734 "[%s] %s\n") at fprintf_chk.c:30 #2 0x00007fb31368845e in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.0.so.5 #3 0x00007fb313688654 in event_warn () from /usr/lib/x86_64-linux-gnu/libevent-2.0.so.5 #4 0x00007fb31368cc38 in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.0.so.5 #5 0x00007fb313676e2d in event_base_loop () from /usr/lib/x86_64-linux-gnu/libevent-2.0.so.5 #6 0x00007fb31d7e2199 in base::MessagePumpLibevent::Run (this=0x7fb2d8001940, delegate=0x118aec0) at /workspace/build/src/3rdparty/chromium/base/message_loop/message_pump_libevent.cc:256 #7 0x00007fb31d81da32 in base::RunLoop::Run (this=this@entry=0x7fb2e21ebbb0) at /workspace/build/src/3rdparty/chromium/base/run_loop.cc:56 #8 0x00007fb31d8076f5 in base::MessageLoop::Run (this=<optimized out>) at /workspace/build/src/3rdparty/chromium/base/message_loop/message_loop.cc:293 #9 0x00007fb31d8363aa in base::Thread::Run (message_loop=<optimized out>, this=0x1189e70) at /workspace/build/src/3rdparty/chromium/base/threading/thread.cc:200 #10 base::Thread::ThreadMain (this=0x1189e70) at /workspace/build/src/3rdparty/chromium/base/threading/thread.cc:252 #11 0x00007fb31d832747 in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at /workspace/build/src/3rdparty/chromium/base/threading/platform_thread_posix.cc:67 #12 0x00007fb325dea6ba in start_thread (arg=0x7fb2e21ec700) at pthread_create.c:333 #13 0x00007fb32f7c53dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 3 (Thread 0x7fb2f3fff700 (LWP 7739)): #0 0x00007fb3240a2a94 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #1 0x00007fb32405e23d in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007fb32405e49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007fb3300d975b in QEventDispatcherGlib::processEvents (this=0x7fb2ec0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425 #4 0x00007fb3300840ba in QEventLoop::exec (this=this@entry=0x7fb2f3ffebc0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212 #5 0x00007fb32feb3f64 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:507 #6 0x00007fb32feb8b48 in QThreadPrivate::start (arg=0x1083550) at thread/qthread_unix.cpp:368 #7 0x00007fb325dea6ba in start_thread (arg=0x7fb2f3fff700) at pthread_create.c:333 #8 0x00007fb32f7c53dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 2 (Thread 0x7fb2f9271700 (LWP 7738)): #0 0x00007fb3240a2a79 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #1 0x00007fb32405e372 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007fb32405e49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007fb3300d975b in QEventDispatcherGlib::processEvents (this=0x7fb2f40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425 #4 0x00007fb3300840ba in QEventLoop::exec (this=this@entry=0x7fb2f9270b90, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212 #5 0x00007fb32feb3f64 in QThread::exec (this=this@entry=0x7fb3320bfd60 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread.cpp:507 #6 0x00007fb33204b735 in QDBusConnectionManager::run (this=0x7fb3320bfd60 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:178 #7 0x00007fb32feb8b48 in QThreadPrivate::start (arg=0x7fb3320bfd60 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:368 #8 0x00007fb325dea6ba in start_thread (arg=0x7fb2f9271700) at pthread_create.c:333 #9 0x00007fb32f7c53dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 1 (Thread 0x7fb30304ca00 (LWP 7734)): [KCrash Handler] #6 0x00007fb32191a49f in QWebEnginePagePrivate::browserContextAdapter() () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineWidgets.so.5 #7 0x00007fb31bec63f9 in QtWebEngineCore::WebContentsDelegateQt::DidNavigateAnyFrame (this=0x12258a0, render_frame_host=<optimized out>, details=..., params=...) at /workspace/build/src/core/web_contents_delegate_qt.cpp:379 #8 0x00007fb31cb509c3 in content::WebContentsImpl::DidNavigateAnyFramePostCommit (this=<optimized out>, render_frame_host=0x1232c60, details=..., params=...) at /workspace/build/src/3rdparty/chromium/content/browser/web_contents/web_contents_impl.cc:3152 #9 0x00007fb31cc4be90 in content::NavigatorImpl::DidNavigate (this=0x12df930, render_frame_host=0x1232c60, params=...) at /workspace/build/src/3rdparty/chromium/content/browser/frame_host/navigator_impl.cc:581 #10 0x00007fb31ca420ee in content::RenderFrameHostImpl::OnDidCommitProvisionalLoad (this=this@entry=0x1232c60, msg=...) at /workspace/build/src/3rdparty/chromium/content/browser/frame_host/render_frame_host_impl.cc:1010 #11 0x00007fb31ca49fa4 in content::RenderFrameHostImpl::OnMessageReceived (this=0x1232c60, msg=...) at /workspace/build/src/3rdparty/chromium/content/browser/frame_host/render_frame_host_impl.cc:514 #12 0x00007fb31cac6af6 in content::RenderProcessHostImpl::OnMessageReceived (this=0x11ff780, msg=...) at /workspace/build/src/3rdparty/chromium/content/browser/renderer_host/render_process_host_impl.cc:1723 #13 0x00007fb31d4a62d4 in IPC::ChannelProxy::Context::OnDispatchMessage (this=0x1268a50, message=...) at /workspace/build/src/3rdparty/chromium/ipc/ipc_channel_proxy.cc:293 #14 0x00007fb31d85e859 in base::Callback<void ()>::Run() const (this=0x7ffdaaa2bf08) at /workspace/build/src/3rdparty/chromium/base/callback.h:394 #15 base::debug::TaskAnnotator::RunTask (this=this@entry=0x1186128, queue_function=queue_function@entry=0x7fb31f68fa79 "MessageLoop::PostTask", pending_task=...) at /workspace/build/src/3rdparty/chromium/base/debug/task_annotator.cc:51 #16 0x00007fb31d808448 in base::MessageLoop::RunTask (this=this@entry=0x1185fb0, pending_task=...) at /workspace/build/src/3rdparty/chromium/base/message_loop/message_loop.cc:486 #17 0x00007fb31d8090b9 in base::MessageLoop::DeferOrRunPendingTask (this=this@entry=0x1185fb0, pending_task=...) at /workspace/build/src/3rdparty/chromium/base/message_loop/message_loop.cc:495 #18 0x00007fb31d809592 in base::MessageLoop::DoWork (this=0x1185fb0) at /workspace/build/src/3rdparty/chromium/base/message_loop/message_loop.cc:607 #19 0x00007fb31bec9469 in QtWebEngineCore::WebEngineContext::destroy (this=0x114cac0) at /workspace/build/src/core/web_engine_context.cpp:180 #20 0x00007fb31bec94fd in (anonymous namespace)::destroyContext () at /workspace/build/src/core/web_engine_context.cpp:112 #21 0x00007fb33008564e in qt_call_post_routines () at kernel/qcoreapplication.cpp:299 #22 0x00007fb3309652f6 in QApplication::~QApplication (this=0x7ffdaaa2c770, __in_chrg=<optimized out>) at kernel/qapplication.cpp:830 #23 0x0000000000403729 in KMailApplication::~KMailApplication (this=0x7ffdaaa2c770, __in_chrg=<optimized out>) at /workspace/build/src/main.cpp:43 #24 main (argc=2, argv=0x7ffdaaa2c9a8) at /workspace/build/src/main.cpp:113 Possible duplicates by query: bug 381621. Reported using DrKonqi
The crash is in QtWebEngine. If this is reproducible, please report this issue directly to Qt developers via https://bugreports.qt.io/
Not reproducible with Qt 5.7.1+dfsg-3+16.04+build16 and KMail 4:17.08.0-0neon+16.04+xenial+build26.