crash log for WebKitTestRunner (pid 18801): [New LWP 18801] [New LWP 18847] [New LWP 18851] [New LWP 18849] [New LWP 18850] [Thread debugging using libthread_db enabled] Using host libthread_db library "/usr/lib/x86_64-linux-gnu/libthread_db.so.1". Core was generated by `/app/webkit/WebKitBuild/Release/bin/WebKitTestRunner -'. Program terminated with signal SIGSEGV, Segmentation fault. #0 0x000055bb0503fa20 in WTR::PlatformWebView::page() () [Current thread is 1 (Thread 0x7f605f7c8380 (LWP 18801))] Thread 5 (Thread 0x7f60175fe640 (LWP 18850)): #0 0x00007f6060722b5d in __GI___poll (fds=0x7f60100043c0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f606be915ce in g_main_context_poll (priority=, n_fds=1, fds=0x7f60100043c0, timeout=, context=0x7f6010000b60) at ../glib/gmain.c:4478 #2 g_main_context_iterate (context=0x7f6010000b60, block=block@entry=1, dispatch=dispatch@entry=1, self=) at ../glib/gmain.c:4170 #3 0x00007f606be91943 in g_main_loop_run (loop=0x7f6010003200) at ../glib/gmain.c:4373 #4 0x00007f60668d5160 in WTF::RunLoop::run() () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #5 0x00007f6066865dda in WTF::Thread::entryPoint(WTF::Thread::NewThreadContext*) () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #6 0x00007f60668d7bc9 in WTF::wtfThreadEntryPoint(void*) () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #7 0x00007f606326f3ba in start_thread (arg=0x7f60175fe640) at pthread_create.c:481 #8 0x00007f606072db03 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 4 (Thread 0x7f6017dff640 (LWP 18849)): #0 0x00007f606327be1d in __futex_abstimed_wait_common64 (futex_word=futex_word@entry=0x7f60582e2060, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x7f6017dfe810, private=private@entry=0, cancel=cancel@entry=true) at ../sysdeps/nptl/futex-internal.c:74 #1 0x00007f606327be8f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x7f60582e2060, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x7f6017dfe810, private=private@entry=0) at ../sysdeps/nptl/futex-internal.c:123 #2 0x00007f60632758ec in __pthread_cond_wait_common (abstime=0x7f6017dfe810, clockid=0, mutex=0x7f60582e2010, cond=0x7f60582e2038) at pthread_cond_wait.c:504 #3 __pthread_cond_timedwait (cond=0x7f60582e2038, mutex=0x7f60582e2010, abstime=0x7f6017dfe810) at pthread_cond_wait.c:637 #4 0x00007f60668d85f4 in WTF::ThreadCondition::timedWait(WTF::Mutex&, WTF::WallTime) () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #5 0x00007f606685fd53 in WTF::ParkingLot::parkConditionallyImpl(void const*, WTF::ScopedLambda const&, WTF::ScopedLambda const&, WTF::TimeWithDynamicClockType const&) () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #6 0x00007f6066864046 in WTF::sleep(WTF::Seconds) () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #7 0x00007f6067b8fc8a in WebKit::MemoryPressureMonitor::start()::{lambda()#1}::operator()() const [clone .constprop.0] () at /app/webkit/WebKitBuild/Release/lib/libwebkit2gtk-4.1.so.0 #8 0x00007f6067b90479 in () at /app/webkit/WebKitBuild/Release/lib/libwebkit2gtk-4.1.so.0 #9 0x00007f6066865dda in WTF::Thread::entryPoint(WTF::Thread::NewThreadContext*) () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #10 0x00007f60668d7bc9 in WTF::wtfThreadEntryPoint(void*) () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #11 0x00007f606326f3ba in start_thread (arg=0x7f6017dff640) at pthread_create.c:481 #12 0x00007f606072db03 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 3 (Thread 0x7f6016dfd640 (LWP 18851)): #0 0x00007f6060722b5d in __GI___poll (fds=0x7f6008004bd0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f606be915ce in g_main_context_poll (priority=, n_fds=1, fds=0x7f6008004bd0, timeout=, context=0x7f6008000b60) at ../glib/gmain.c:4478 #2 g_main_context_iterate (context=0x7f6008000b60, block=block@entry=1, dispatch=dispatch@entry=1, self=) at ../glib/gmain.c:4170 #3 0x00007f606be91943 in g_main_loop_run (loop=0x7f6008003e60) at ../glib/gmain.c:4373 #4 0x00007f60668d5160 in WTF::RunLoop::run() () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #5 0x00007f6066865dda in WTF::Thread::entryPoint(WTF::Thread::NewThreadContext*) () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #6 0x00007f60668d7bc9 in WTF::wtfThreadEntryPoint(void*) () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #7 0x00007f606326f3ba in start_thread (arg=0x7f6016dfd640) at pthread_create.c:481 #8 0x00007f606072db03 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 2 (Thread 0x7f6058bf9640 (LWP 18847)): #0 0x00007f606327be1d in __futex_abstimed_wait_common64 (futex_word=futex_word@entry=0x7f6066c55d6c ::Storage::s_memory+76>, expected=expected@entry=0, clockid=clockid@entry=1, abstime=abstime@entry=0x7f6058bf8b40, private=private@entry=0, cancel=cancel@entry=true) at ../sysdeps/nptl/futex-internal.c:74 #1 0x00007f606327be8f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x7f6066c55d6c ::Storage::s_memory+76>, expected=expected@entry=0, clockid=clockid@entry=1, abstime=abstime@entry=0x7f6058bf8b40, private=private@entry=0) at ../sysdeps/nptl/futex-internal.c:123 #2 0x00007f6063275bdb in __pthread_cond_wait_common (abstime=0x7f6058bf8b40, clockid=1, mutex=, cond=0x7f6066c55d40 ::Storage::s_memory+32>) at pthread_cond_wait.c:504 #3 __pthread_cond_clockwait (abstime=0x7f6058bf8b40, clockid=1, mutex=, cond=0x7f6066c55d40 ::Storage::s_memory+32>) at pthread_cond_wait.c:672 #4 __pthread_cond_clockwait (cond=0x7f6066c55d40 ::Storage::s_memory+32>, mutex=, clockid=1, abstime=0x7f6058bf8b40) at pthread_cond_wait.c:660 #5 0x00007f60668e713a in bmalloc::Scavenger::threadRunLoop() () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #6 0x00007f60668e72c9 in () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #7 0x00007f6060a435e5 in std::execute_native_thread_routine(void*) (__p=0x55bb059c63a0) at ../../../../../libstdc++-v3/src/c++11/thread.cc:82 #8 0x00007f606326f3ba in start_thread (arg=0x7f6058bf9640) at pthread_create.c:481 #9 0x00007f606072db03 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 1 (Thread 0x7f605f7c8380 (LWP 18801)): #0 0x000055bb0503fa20 in WTR::PlatformWebView::page() () #1 0x000055bb050406a3 in WTR::TestController::platformPreferences() () #2 0x000055bb0500e597 in WTR::TestController::resetPreferencesToConsistentValues(WTR::TestOptions const&) () #3 0x000055bb05012c39 in WTR::TestController::createWebViewWithOptions(WTR::TestOptions const&) () #4 0x000055bb050190e7 in WTR::TestController::ensureViewSupportsOptionsForTest(WTR::TestInvocation const&) () #5 0x000055bb050196e1 in WTR::TestController::configureViewForTest(WTR::TestInvocation const&) () #6 0x000055bb0502690d in WTR::TestInvocation::invoke() () #7 0x000055bb0500fefd in WTR::TestController::runTest(char const*) () #8 0x000055bb050105ef in WTR::TestController::runTestingServerLoop() () #9 0x000055bb05010bd8 in WTR::TestController::TestController(int, char const**) () #10 0x000055bb04fff8bb in main () STDERR: STDERR: warning: core file may not match specified executable file. STDERR: STDERR: warning: the debug information found in "/usr/lib/debug//usr/lib/x86_64-linux-gnu/libicudata.so.69.1.debug" does not match "/usr/lib/x86_64-linux-gnu/libicudata.so.69" (CRC mismatch). STDERR: STDERR: STDERR: warning: the debug information found in "/usr/lib/debug//usr/lib/x86_64-linux-gnu/libicudata.so.69.1.debug" does not match "/usr/lib/x86_64-linux-gnu/libicudata.so.69" (CRC mismatch). STDERR: STDERR: STDERR: warning: the debug information found in "/usr/lib/debug//usr/lib/x86_64-linux-gnu/libdl-2.33.so.debug" does not match "/usr/lib/x86_64-linux-gnu/libdl.so.2" (CRC mismatch). STDERR: STDERR: STDERR: warning: the debug information found in "/usr/lib/debug//usr/lib/x86_64-linux-gnu/libdl-2.33.so.debug" does not match "/usr/lib/x86_64-linux-gnu/libdl.so.2" (CRC mismatch). STDERR: STDERR: STDERR: warning: the debug information found in "/usr/lib/debug//usr/lib/x86_64-linux-gnu/libwayland-egl.so.1.0.0.debug" does not match "/usr/lib/x86_64-linux-gnu/libwayland-egl.so.1" (CRC mismatch). STDERR: STDERR: STDERR: warning: the debug information found in "/usr/lib/debug//usr/lib/x86_64-linux-gnu/libwayland-egl.so.1.0.0.debug" does not match "/usr/lib/x86_64-linux-gnu/libwayland-egl.so.1" (CRC mismatch). STDERR: STDERR: STDERR: warning: the debug information found in "/usr/lib/debug//usr/lib/x86_64-linux-gnu/libX11-xcb.so.1.0.0.debug" does not match "/usr/lib/x86_64-linux-gnu/libX11-xcb.so.1" (CRC mismatch). STDERR: STDERR: STDERR: warning: the debug information found in "/usr/lib/debug//usr/lib/x86_64-linux-gnu/libX11-xcb.so.1.0.0.debug" does not match "/usr/lib/x86_64-linux-gnu/libX11-xcb.so.1" (CRC mismatch). STDERR: STDERR: STDERR: warning: the debug information found in "/usr/lib/debug//usr/lib/x86_64-linux-gnu/libxcb-dri2.so.0.0.0.debug" does not match "/usr/lib/x86_64-linux-gnu/libxcb-dri2.so.0" (CRC mismatch). STDERR: STDERR: STDERR: warning: the debug information found in "/usr/lib/debug//usr/lib/x86_64-linux-gnu/libxcb-dri2.so.0.0.0.debug" does not match "/usr/lib/x86_64-linux-gnu/libxcb-dri2.so.0" (CRC mismatch). STDERR: STDERR: