crash log for WebKitTestRunner (pid 13403): [New LWP 13403] [New LWP 13454] [New LWP 13457] [New LWP 13455] [New LWP 13456] [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 0x000055c527e1fa20 in WTR::PlatformWebView::page() () [Current thread is 1 (Thread 0x7f17cbb14380 (LWP 13403))] Thread 5 (Thread 0x7f17838fe640 (LWP 13456)): #0 0x00007f17cca6eb5d in __GI___poll (fds=0x7f177c0043c0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f17d81dd5ce in g_main_context_poll (priority=, n_fds=1, fds=0x7f177c0043c0, timeout=, context=0x7f177c000b60) at ../glib/gmain.c:4478 #2 g_main_context_iterate (context=0x7f177c000b60, block=block@entry=1, dispatch=dispatch@entry=1, self=) at ../glib/gmain.c:4170 #3 0x00007f17d81dd943 in g_main_loop_run (loop=0x7f177c003200) at ../glib/gmain.c:4373 #4 0x00007f17d2c21160 in WTF::RunLoop::run() () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #5 0x00007f17d2bb1dda in WTF::Thread::entryPoint(WTF::Thread::NewThreadContext*) () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #6 0x00007f17d2c23bc9 in WTF::wtfThreadEntryPoint(void*) () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #7 0x00007f17cf5bb3ba in start_thread (arg=0x7f17838fe640) at pthread_create.c:481 #8 0x00007f17cca79b03 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 4 (Thread 0x7f17840ff640 (LWP 13455)): #0 0x00007f17cf5c7e1d in __futex_abstimed_wait_common64 (futex_word=futex_word@entry=0x7f17c46e2060, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x7f17840fe810, private=private@entry=0, cancel=cancel@entry=true) at ../sysdeps/nptl/futex-internal.c:74 #1 0x00007f17cf5c7e8f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x7f17c46e2060, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x7f17840fe810, private=private@entry=0) at ../sysdeps/nptl/futex-internal.c:123 #2 0x00007f17cf5c18ec in __pthread_cond_wait_common (abstime=0x7f17840fe810, clockid=0, mutex=0x7f17c46e2010, cond=0x7f17c46e2038) at pthread_cond_wait.c:504 #3 __pthread_cond_timedwait (cond=0x7f17c46e2038, mutex=0x7f17c46e2010, abstime=0x7f17840fe810) at pthread_cond_wait.c:637 #4 0x00007f17d2c245f4 in WTF::ThreadCondition::timedWait(WTF::Mutex&, WTF::WallTime) () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #5 0x00007f17d2babd53 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 0x00007f17d2bb0046 in WTF::sleep(WTF::Seconds) () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #7 0x00007f17d3edbc8a in WebKit::MemoryPressureMonitor::start()::{lambda()#1}::operator()() const [clone .constprop.0] () at /app/webkit/WebKitBuild/Release/lib/libwebkit2gtk-4.1.so.0 #8 0x00007f17d3edc479 in () at /app/webkit/WebKitBuild/Release/lib/libwebkit2gtk-4.1.so.0 #9 0x00007f17d2bb1dda in WTF::Thread::entryPoint(WTF::Thread::NewThreadContext*) () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #10 0x00007f17d2c23bc9 in WTF::wtfThreadEntryPoint(void*) () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #11 0x00007f17cf5bb3ba in start_thread (arg=0x7f17840ff640) at pthread_create.c:481 #12 0x00007f17cca79b03 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 3 (Thread 0x7f17830fd640 (LWP 13457)): #0 0x00007f17cca6eb5d in __GI___poll (fds=0x7f1774004bd0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f17d81dd5ce in g_main_context_poll (priority=, n_fds=1, fds=0x7f1774004bd0, timeout=, context=0x7f1774000b60) at ../glib/gmain.c:4478 #2 g_main_context_iterate (context=0x7f1774000b60, block=block@entry=1, dispatch=dispatch@entry=1, self=) at ../glib/gmain.c:4170 #3 0x00007f17d81dd943 in g_main_loop_run (loop=0x7f1774003e60) at ../glib/gmain.c:4373 #4 0x00007f17d2c21160 in WTF::RunLoop::run() () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #5 0x00007f17d2bb1dda in WTF::Thread::entryPoint(WTF::Thread::NewThreadContext*) () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #6 0x00007f17d2c23bc9 in WTF::wtfThreadEntryPoint(void*) () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #7 0x00007f17cf5bb3ba in start_thread (arg=0x7f17830fd640) at pthread_create.c:481 #8 0x00007f17cca79b03 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 2 (Thread 0x7f17c4f45640 (LWP 13454)): #0 0x00007f17cf5c7e1d in __futex_abstimed_wait_common64 (futex_word=futex_word@entry=0x7f17d2fa1d6c ::Storage::s_memory+76>, expected=expected@entry=0, clockid=clockid@entry=1, abstime=abstime@entry=0x7f17c4f44b40, private=private@entry=0, cancel=cancel@entry=true) at ../sysdeps/nptl/futex-internal.c:74 #1 0x00007f17cf5c7e8f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x7f17d2fa1d6c ::Storage::s_memory+76>, expected=expected@entry=0, clockid=clockid@entry=1, abstime=abstime@entry=0x7f17c4f44b40, private=private@entry=0) at ../sysdeps/nptl/futex-internal.c:123 #2 0x00007f17cf5c1bdb in __pthread_cond_wait_common (abstime=0x7f17c4f44b40, clockid=1, mutex=, cond=0x7f17d2fa1d40 ::Storage::s_memory+32>) at pthread_cond_wait.c:504 #3 __pthread_cond_clockwait (abstime=0x7f17c4f44b40, clockid=1, mutex=, cond=0x7f17d2fa1d40 ::Storage::s_memory+32>) at pthread_cond_wait.c:672 #4 __pthread_cond_clockwait (cond=0x7f17d2fa1d40 ::Storage::s_memory+32>, mutex=, clockid=1, abstime=0x7f17c4f44b40) at pthread_cond_wait.c:660 #5 0x00007f17d2c3313a in bmalloc::Scavenger::threadRunLoop() () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #6 0x00007f17d2c332c9 in () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #7 0x00007f17ccd8f5e5 in std::execute_native_thread_routine(void*) (__p=0x55c52a1213a0) at ../../../../../libstdc++-v3/src/c++11/thread.cc:82 #8 0x00007f17cf5bb3ba in start_thread (arg=0x7f17c4f45640) at pthread_create.c:481 #9 0x00007f17cca79b03 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 1 (Thread 0x7f17cbb14380 (LWP 13403)): #0 0x000055c527e1fa20 in WTR::PlatformWebView::page() () #1 0x000055c527e206a3 in WTR::TestController::platformPreferences() () #2 0x000055c527dee597 in WTR::TestController::resetPreferencesToConsistentValues(WTR::TestOptions const&) () #3 0x000055c527df2c39 in WTR::TestController::createWebViewWithOptions(WTR::TestOptions const&) () #4 0x000055c527df90e7 in WTR::TestController::ensureViewSupportsOptionsForTest(WTR::TestInvocation const&) () #5 0x000055c527df96e1 in WTR::TestController::configureViewForTest(WTR::TestInvocation const&) () #6 0x000055c527e0690d in WTR::TestInvocation::invoke() () #7 0x000055c527defefd in WTR::TestController::runTest(char const*) () #8 0x000055c527df05ef in WTR::TestController::runTestingServerLoop() () #9 0x000055c527df0bd8 in WTR::TestController::TestController(int, char const**) () #10 0x000055c527ddf8bb 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: