crash log for WebKitTestRunner (pid 10031): [New LWP 10031] [New LWP 10089] [New LWP 10096] [New LWP 10095] [New LWP 10094] [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 0x000055b8e6d99a20 in WTR::PlatformWebView::page() () [Current thread is 1 (Thread 0x7f9a9c494380 (LWP 10031))] Thread 5 (Thread 0x7f9a54aff640 (LWP 10094)): #0 0x00007f9a9ff47e1d in __futex_abstimed_wait_common64 (futex_word=futex_word@entry=0x7f9a94fe1060, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x7f9a54afe810, private=private@entry=0, cancel=cancel@entry=true) at ../sysdeps/nptl/futex-internal.c:74 #1 0x00007f9a9ff47e8f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x7f9a94fe1060, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x7f9a54afe810, private=private@entry=0) at ../sysdeps/nptl/futex-internal.c:123 #2 0x00007f9a9ff418ec in __pthread_cond_wait_common (abstime=0x7f9a54afe810, clockid=0, mutex=0x7f9a94fe1010, cond=0x7f9a94fe1038) at pthread_cond_wait.c:504 #3 __pthread_cond_timedwait (cond=0x7f9a94fe1038, mutex=0x7f9a94fe1010, abstime=0x7f9a54afe810) at pthread_cond_wait.c:637 #4 0x00007f9aa35a45f4 in WTF::ThreadCondition::timedWait(WTF::Mutex&, WTF::WallTime) () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #5 0x00007f9aa352bd53 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 0x00007f9aa3530046 in WTF::sleep(WTF::Seconds) () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #7 0x00007f9aa485bc8a in WebKit::MemoryPressureMonitor::start()::{lambda()#1}::operator()() const [clone .constprop.0] () at /app/webkit/WebKitBuild/Release/lib/libwebkit2gtk-4.1.so.0 #8 0x00007f9aa485c479 in () at /app/webkit/WebKitBuild/Release/lib/libwebkit2gtk-4.1.so.0 #9 0x00007f9aa3531dda in WTF::Thread::entryPoint(WTF::Thread::NewThreadContext*) () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #10 0x00007f9aa35a3bc9 in WTF::wtfThreadEntryPoint(void*) () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #11 0x00007f9a9ff3b3ba in start_thread (arg=0x7f9a54aff640) at pthread_create.c:481 #12 0x00007f9a9d3f9b03 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 4 (Thread 0x7f9a542fe640 (LWP 10095)): #0 0x00007f9a9d3eeb5d in __GI___poll (fds=0x7f9a4c0043c0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f9aa8b5d5ce in g_main_context_poll (priority=, n_fds=1, fds=0x7f9a4c0043c0, timeout=, context=0x7f9a4c000b60) at ../glib/gmain.c:4478 #2 g_main_context_iterate (context=0x7f9a4c000b60, block=block@entry=1, dispatch=dispatch@entry=1, self=) at ../glib/gmain.c:4170 #3 0x00007f9aa8b5d943 in g_main_loop_run (loop=0x7f9a4c003200) at ../glib/gmain.c:4373 #4 0x00007f9aa35a1160 in WTF::RunLoop::run() () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #5 0x00007f9aa3531dda in WTF::Thread::entryPoint(WTF::Thread::NewThreadContext*) () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #6 0x00007f9aa35a3bc9 in WTF::wtfThreadEntryPoint(void*) () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #7 0x00007f9a9ff3b3ba in start_thread (arg=0x7f9a542fe640) at pthread_create.c:481 #8 0x00007f9a9d3f9b03 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 3 (Thread 0x7f9a53afd640 (LWP 10096)): #0 0x00007f9a9d3eeb5d in __GI___poll (fds=0x7f9a44004bd0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f9aa8b5d5ce in g_main_context_poll (priority=, n_fds=1, fds=0x7f9a44004bd0, timeout=, context=0x7f9a44000b60) at ../glib/gmain.c:4478 #2 g_main_context_iterate (context=0x7f9a44000b60, block=block@entry=1, dispatch=dispatch@entry=1, self=) at ../glib/gmain.c:4170 #3 0x00007f9aa8b5d943 in g_main_loop_run (loop=0x7f9a44003e60) at ../glib/gmain.c:4373 #4 0x00007f9aa35a1160 in WTF::RunLoop::run() () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #5 0x00007f9aa3531dda in WTF::Thread::entryPoint(WTF::Thread::NewThreadContext*) () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #6 0x00007f9aa35a3bc9 in WTF::wtfThreadEntryPoint(void*) () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #7 0x00007f9a9ff3b3ba in start_thread (arg=0x7f9a53afd640) at pthread_create.c:481 #8 0x00007f9a9d3f9b03 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 2 (Thread 0x7f9a958c5640 (LWP 10089)): #0 0x00007f9a9ff47e1d in __futex_abstimed_wait_common64 (futex_word=futex_word@entry=0x7f9aa3921d6c ::Storage::s_memory+76>, expected=expected@entry=0, clockid=clockid@entry=1, abstime=abstime@entry=0x7f9a958c4b40, private=private@entry=0, cancel=cancel@entry=true) at ../sysdeps/nptl/futex-internal.c:74 #1 0x00007f9a9ff47e8f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x7f9aa3921d6c ::Storage::s_memory+76>, expected=expected@entry=0, clockid=clockid@entry=1, abstime=abstime@entry=0x7f9a958c4b40, private=private@entry=0) at ../sysdeps/nptl/futex-internal.c:123 #2 0x00007f9a9ff41bdb in __pthread_cond_wait_common (abstime=0x7f9a958c4b40, clockid=1, mutex=, cond=0x7f9aa3921d40 ::Storage::s_memory+32>) at pthread_cond_wait.c:504 #3 __pthread_cond_clockwait (abstime=0x7f9a958c4b40, clockid=1, mutex=, cond=0x7f9aa3921d40 ::Storage::s_memory+32>) at pthread_cond_wait.c:672 #4 __pthread_cond_clockwait (cond=0x7f9aa3921d40 ::Storage::s_memory+32>, mutex=, clockid=1, abstime=0x7f9a958c4b40) at pthread_cond_wait.c:660 #5 0x00007f9aa35b313a in bmalloc::Scavenger::threadRunLoop() () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #6 0x00007f9aa35b32c9 in () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #7 0x00007f9a9d70f5e5 in std::execute_native_thread_routine(void*) (__p=0x55b8e7b7e3a0) at ../../../../../libstdc++-v3/src/c++11/thread.cc:82 #8 0x00007f9a9ff3b3ba in start_thread (arg=0x7f9a958c5640) at pthread_create.c:481 #9 0x00007f9a9d3f9b03 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 1 (Thread 0x7f9a9c494380 (LWP 10031)): #0 0x000055b8e6d99a20 in WTR::PlatformWebView::page() () #1 0x000055b8e6d9a6a3 in WTR::TestController::platformPreferences() () #2 0x000055b8e6d68597 in WTR::TestController::resetPreferencesToConsistentValues(WTR::TestOptions const&) () #3 0x000055b8e6d6cc39 in WTR::TestController::createWebViewWithOptions(WTR::TestOptions const&) () #4 0x000055b8e6d730e7 in WTR::TestController::ensureViewSupportsOptionsForTest(WTR::TestInvocation const&) () #5 0x000055b8e6d736e1 in WTR::TestController::configureViewForTest(WTR::TestInvocation const&) () #6 0x000055b8e6d8090d in WTR::TestInvocation::invoke() () #7 0x000055b8e6d69efd in WTR::TestController::runTest(char const*) () #8 0x000055b8e6d6a5ef in WTR::TestController::runTestingServerLoop() () #9 0x000055b8e6d6abd8 in WTR::TestController::TestController(int, char const**) () #10 0x000055b8e6d598bb 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: