crash log for WebKitTestRunner (pid 15796): [New LWP 15796] [New LWP 15802] [New LWP 15800] [New LWP 15803] [New LWP 15804] [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 0x000055df405cba20 in WTR::PlatformWebView::page() () [Current thread is 1 (Thread 0x7f1862399380 (LWP 15796))] Thread 5 (Thread 0x7f18199fd640 (LWP 15804)): #0 0x00007f18632f3b5d in __GI___poll (fds=0x7f180c004bd0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f186ea625ce in g_main_context_poll (priority=, n_fds=1, fds=0x7f180c004bd0, timeout=, context=0x7f180c000b60) at ../glib/gmain.c:4478 #2 g_main_context_iterate (context=0x7f180c000b60, block=block@entry=1, dispatch=dispatch@entry=1, self=) at ../glib/gmain.c:4170 #3 0x00007f186ea62943 in g_main_loop_run (loop=0x7f180c003e60) at ../glib/gmain.c:4373 #4 0x00007f18694a6160 in WTF::RunLoop::run() () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #5 0x00007f1869436dda in WTF::Thread::entryPoint(WTF::Thread::NewThreadContext*) () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #6 0x00007f18694a8bc9 in WTF::wtfThreadEntryPoint(void*) () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #7 0x00007f1865e403ba in start_thread (arg=0x7f18199fd640) at pthread_create.c:481 #8 0x00007f18632feb03 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 4 (Thread 0x7f181a1fe640 (LWP 15803)): #0 0x00007f18632f3b5d in __GI___poll (fds=0x7f18140043c0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f186ea625ce in g_main_context_poll (priority=, n_fds=1, fds=0x7f18140043c0, timeout=, context=0x7f1814000b60) at ../glib/gmain.c:4478 #2 g_main_context_iterate (context=0x7f1814000b60, block=block@entry=1, dispatch=dispatch@entry=1, self=) at ../glib/gmain.c:4170 #3 0x00007f186ea62943 in g_main_loop_run (loop=0x7f1814003200) at ../glib/gmain.c:4373 #4 0x00007f18694a6160 in WTF::RunLoop::run() () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #5 0x00007f1869436dda in WTF::Thread::entryPoint(WTF::Thread::NewThreadContext*) () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #6 0x00007f18694a8bc9 in WTF::wtfThreadEntryPoint(void*) () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #7 0x00007f1865e403ba in start_thread (arg=0x7f181a1fe640) at pthread_create.c:481 #8 0x00007f18632feb03 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 3 (Thread 0x7f185b7ca640 (LWP 15800)): #0 0x00007f1865e4ce1d in __futex_abstimed_wait_common64 (futex_word=futex_word@entry=0x7f1869826d6c ::Storage::s_memory+76>, expected=expected@entry=0, clockid=clockid@entry=1, abstime=abstime@entry=0x7f185b7c9b40, private=private@entry=0, cancel=cancel@entry=true) at ../sysdeps/nptl/futex-internal.c:74 #1 0x00007f1865e4ce8f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x7f1869826d6c ::Storage::s_memory+76>, expected=expected@entry=0, clockid=clockid@entry=1, abstime=abstime@entry=0x7f185b7c9b40, private=private@entry=0) at ../sysdeps/nptl/futex-internal.c:123 #2 0x00007f1865e46bdb in __pthread_cond_wait_common (abstime=0x7f185b7c9b40, clockid=1, mutex=, cond=0x7f1869826d40 ::Storage::s_memory+32>) at pthread_cond_wait.c:504 #3 __pthread_cond_clockwait (abstime=0x7f185b7c9b40, clockid=1, mutex=, cond=0x7f1869826d40 ::Storage::s_memory+32>) at pthread_cond_wait.c:672 #4 __pthread_cond_clockwait (cond=0x7f1869826d40 ::Storage::s_memory+32>, mutex=, clockid=1, abstime=0x7f185b7c9b40) at pthread_cond_wait.c:660 #5 0x00007f18694b813a in bmalloc::Scavenger::threadRunLoop() () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #6 0x00007f18694b82c9 in () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #7 0x00007f18636145e5 in std::execute_native_thread_routine(void*) (__p=0x55df417fb3a0) at ../../../../../libstdc++-v3/src/c++11/thread.cc:82 #8 0x00007f1865e403ba in start_thread (arg=0x7f185b7ca640) at pthread_create.c:481 #9 0x00007f18632feb03 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 2 (Thread 0x7f181a9ff640 (LWP 15802)): #0 0x00007f1865e4ce1d in __futex_abstimed_wait_common64 (futex_word=futex_word@entry=0x7f185aee1060, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x7f181a9fe810, private=private@entry=0, cancel=cancel@entry=true) at ../sysdeps/nptl/futex-internal.c:74 #1 0x00007f1865e4ce8f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x7f185aee1060, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x7f181a9fe810, private=private@entry=0) at ../sysdeps/nptl/futex-internal.c:123 #2 0x00007f1865e468ec in __pthread_cond_wait_common (abstime=0x7f181a9fe810, clockid=0, mutex=0x7f185aee1010, cond=0x7f185aee1038) at pthread_cond_wait.c:504 #3 __pthread_cond_timedwait (cond=0x7f185aee1038, mutex=0x7f185aee1010, abstime=0x7f181a9fe810) at pthread_cond_wait.c:637 #4 0x00007f18694a95f4 in WTF::ThreadCondition::timedWait(WTF::Mutex&, WTF::WallTime) () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #5 0x00007f1869430d53 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 0x00007f1869435046 in WTF::sleep(WTF::Seconds) () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #7 0x00007f186a760c8a in WebKit::MemoryPressureMonitor::start()::{lambda()#1}::operator()() const [clone .constprop.0] () at /app/webkit/WebKitBuild/Release/lib/libwebkit2gtk-4.1.so.0 #8 0x00007f186a761479 in () at /app/webkit/WebKitBuild/Release/lib/libwebkit2gtk-4.1.so.0 #9 0x00007f1869436dda in WTF::Thread::entryPoint(WTF::Thread::NewThreadContext*) () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #10 0x00007f18694a8bc9 in WTF::wtfThreadEntryPoint(void*) () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0 #11 0x00007f1865e403ba in start_thread (arg=0x7f181a9ff640) at pthread_create.c:481 #12 0x00007f18632feb03 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 1 (Thread 0x7f1862399380 (LWP 15796)): #0 0x000055df405cba20 in WTR::PlatformWebView::page() () #1 0x000055df405cc6a3 in WTR::TestController::platformPreferences() () #2 0x000055df4059a597 in WTR::TestController::resetPreferencesToConsistentValues(WTR::TestOptions const&) () #3 0x000055df4059ec39 in WTR::TestController::createWebViewWithOptions(WTR::TestOptions const&) () #4 0x000055df405a50e7 in WTR::TestController::ensureViewSupportsOptionsForTest(WTR::TestInvocation const&) () #5 0x000055df405a56e1 in WTR::TestController::configureViewForTest(WTR::TestInvocation const&) () #6 0x000055df405b290d in WTR::TestInvocation::invoke() () #7 0x000055df4059befd in WTR::TestController::runTest(char const*) () #8 0x000055df4059c5ef in WTR::TestController::runTestingServerLoop() () #9 0x000055df4059cbd8 in WTR::TestController::TestController(int, char const**) () #10 0x000055df4058b8bb 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: