crash log for WebKitTestRunner (pid 6835): [New LWP 6835] [New LWP 7016] [New LWP 7009] [New LWP 7017] [New LWP 7015] [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 0x0000561a65786a20 in WTR::PlatformWebView::page() () [Current thread is 1 (Thread 0x7f05e60a3380 (LWP 6835))] Thread 5 (Thread 0x7f059e6ff640 (LWP 7015)): #0 0x00007f05e9b56e1d in __futex_abstimed_wait_common64 (futex_word=futex_word@entry=0x7f05debe2060, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x7f059e6fe810, private=private@entry=0, cancel=cancel@entry=true) at ../sysdeps/nptl/futex-internal.c:74 #1 0x00007f05e9b56e8f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x7f05debe2060, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x7f059e6fe810, private=private@entry=0) at ../sysdeps/nptl/futex-internal.c:123 #2 0x00007f05e9b508ec in __pthread_cond_wait_common (abstime=0x7f059e6fe810, clockid=0, mutex=0x7f05debe2010, cond=0x7f05debe2038) at pthread_cond_wait.c:504 #3 __pthread_cond_timedwait (cond=0x7f05debe2038, mutex=0x7f05debe2010, abstime=0x7f059e6fe810) at pthread_cond_wait.c:637 #4 0x00007f05ed1b35f4 in WTF::ThreadCondition::timedWait(WTF::Mutex&, WTF::WallTime) () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #5 0x00007f05ed13ad53 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 0x00007f05ed13f046 in WTF::sleep(WTF::Seconds) () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #7 0x00007f05ee46ac8a in WebKit::MemoryPressureMonitor::start()::{lambda()#1}::operator()() const [clone .constprop.0] () at /app/webkit/WebKitBuild/Release/lib/libwebkit2gtk-4.1.so.0 #8 0x00007f05ee46b479 in () at /app/webkit/WebKitBuild/Release/lib/libwebkit2gtk-4.1.so.0 #9 0x00007f05ed140dda in WTF::Thread::entryPoint(WTF::Thread::NewThreadContext*) () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #10 0x00007f05ed1b2bc9 in WTF::wtfThreadEntryPoint(void*) () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #11 0x00007f05e9b4a3ba in start_thread (arg=0x7f059e6ff640) at pthread_create.c:481 #12 0x00007f05e7008b03 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 4 (Thread 0x7f059d6fd640 (LWP 7017)): #0 0x00007f05e6ffdb5d in __GI___poll (fds=0x7f0590004bd0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f05f276c5ce in g_main_context_poll (priority=, n_fds=1, fds=0x7f0590004bd0, timeout=, context=0x7f0590000b60) at ../glib/gmain.c:4478 #2 g_main_context_iterate (context=0x7f0590000b60, block=block@entry=1, dispatch=dispatch@entry=1, self=) at ../glib/gmain.c:4170 #3 0x00007f05f276c943 in g_main_loop_run (loop=0x7f0590003e60) at ../glib/gmain.c:4373 #4 0x00007f05ed1b0160 in WTF::RunLoop::run() () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #5 0x00007f05ed140dda in WTF::Thread::entryPoint(WTF::Thread::NewThreadContext*) () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #6 0x00007f05ed1b2bc9 in WTF::wtfThreadEntryPoint(void*) () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #7 0x00007f05e9b4a3ba in start_thread (arg=0x7f059d6fd640) at pthread_create.c:481 #8 0x00007f05e7008b03 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 3 (Thread 0x7f05df4d4640 (LWP 7009)): #0 0x00007f05e9b56e1d in __futex_abstimed_wait_common64 (futex_word=futex_word@entry=0x7f05ed530d6c ::Storage::s_memory+76>, expected=expected@entry=0, clockid=clockid@entry=1, abstime=abstime@entry=0x7f05df4d3b40, private=private@entry=0, cancel=cancel@entry=true) at ../sysdeps/nptl/futex-internal.c:74 #1 0x00007f05e9b56e8f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x7f05ed530d6c ::Storage::s_memory+76>, expected=expected@entry=0, clockid=clockid@entry=1, abstime=abstime@entry=0x7f05df4d3b40, private=private@entry=0) at ../sysdeps/nptl/futex-internal.c:123 #2 0x00007f05e9b50bdb in __pthread_cond_wait_common (abstime=0x7f05df4d3b40, clockid=1, mutex=, cond=0x7f05ed530d40 ::Storage::s_memory+32>) at pthread_cond_wait.c:504 #3 __pthread_cond_clockwait (abstime=0x7f05df4d3b40, clockid=1, mutex=, cond=0x7f05ed530d40 ::Storage::s_memory+32>) at pthread_cond_wait.c:672 #4 __pthread_cond_clockwait (cond=0x7f05ed530d40 ::Storage::s_memory+32>, mutex=, clockid=1, abstime=0x7f05df4d3b40) at pthread_cond_wait.c:660 #5 0x00007f05ed1c213a in bmalloc::Scavenger::threadRunLoop() () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #6 0x00007f05ed1c22c9 in () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #7 0x00007f05e731e5e5 in std::execute_native_thread_routine(void*) (__p=0x561a662173a0) at ../../../../../libstdc++-v3/src/c++11/thread.cc:82 #8 0x00007f05e9b4a3ba in start_thread (arg=0x7f05df4d4640) at pthread_create.c:481 #9 0x00007f05e7008b03 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 2 (Thread 0x7f059defe640 (LWP 7016)): #0 0x00007f05e6ffdb5d in __GI___poll (fds=0x7f05980043c0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f05f276c5ce in g_main_context_poll (priority=, n_fds=1, fds=0x7f05980043c0, timeout=, context=0x7f0598000b60) at ../glib/gmain.c:4478 #2 g_main_context_iterate (context=0x7f0598000b60, block=block@entry=1, dispatch=dispatch@entry=1, self=) at ../glib/gmain.c:4170 #3 0x00007f05f276c943 in g_main_loop_run (loop=0x7f0598003200) at ../glib/gmain.c:4373 #4 0x00007f05ed1b0160 in WTF::RunLoop::run() () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #5 0x00007f05ed140dda in WTF::Thread::entryPoint(WTF::Thread::NewThreadContext*) () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #6 0x00007f05ed1b2bc9 in WTF::wtfThreadEntryPoint(void*) () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #7 0x00007f05e9b4a3ba in start_thread (arg=0x7f059defe640) at pthread_create.c:481 #8 0x00007f05e7008b03 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 1 (Thread 0x7f05e60a3380 (LWP 6835)): #0 0x0000561a65786a20 in WTR::PlatformWebView::page() () #1 0x0000561a657876a3 in WTR::TestController::platformPreferences() () #2 0x0000561a65755597 in WTR::TestController::resetPreferencesToConsistentValues(WTR::TestOptions const&) () #3 0x0000561a65759c39 in WTR::TestController::createWebViewWithOptions(WTR::TestOptions const&) () #4 0x0000561a657600e7 in WTR::TestController::ensureViewSupportsOptionsForTest(WTR::TestInvocation const&) () #5 0x0000561a657606e1 in WTR::TestController::configureViewForTest(WTR::TestInvocation const&) () #6 0x0000561a6576d90d in WTR::TestInvocation::invoke() () #7 0x0000561a65756efd in WTR::TestController::runTest(char const*) () #8 0x0000561a657575ef in WTR::TestController::runTestingServerLoop() () #9 0x0000561a65757bd8 in WTR::TestController::TestController(int, char const**) () #10 0x0000561a657468bb 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: