crash log for WebKitTestRunner (pid 206):

[New LWP 206]
[New LWP 332]
[New LWP 340]
[New LWP 341]
[New LWP 338]
[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  0x000055c34ede5a20 in WTR::PlatformWebView::page() ()
[Current thread is 1 (Thread 0x7f1dc2651380 (LWP 206))]

Thread 5 (Thread 0x7f1d7acff640 (LWP 338)):
#0  0x00007f1dc6104e1d in __futex_abstimed_wait_common64 (futex_word=futex_word@entry=0x7f1dbb1e2060, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x7f1d7acfe810, private=private@entry=0, cancel=cancel@entry=true) at ../sysdeps/nptl/futex-internal.c:74
#1  0x00007f1dc6104e8f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x7f1dbb1e2060, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x7f1d7acfe810, private=private@entry=0) at ../sysdeps/nptl/futex-internal.c:123
#2  0x00007f1dc60fe8ec in __pthread_cond_wait_common (abstime=0x7f1d7acfe810, clockid=0, mutex=0x7f1dbb1e2010, cond=0x7f1dbb1e2038) at pthread_cond_wait.c:504
#3  __pthread_cond_timedwait (cond=0x7f1dbb1e2038, mutex=0x7f1dbb1e2010, abstime=0x7f1d7acfe810) at pthread_cond_wait.c:637
#4  0x00007f1dc97615f4 in WTF::ThreadCondition::timedWait(WTF::Mutex&, WTF::WallTime) () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0
#5  0x00007f1dc96e8d53 in WTF::ParkingLot::parkConditionallyImpl(void const*, WTF::ScopedLambda<bool ()> const&, WTF::ScopedLambda<void ()> const&, WTF::TimeWithDynamicClockType const&) () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0
#6  0x00007f1dc96ed046 in WTF::sleep(WTF::Seconds) () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0
#7  0x00007f1dcaa18c8a in WebKit::MemoryPressureMonitor::start()::{lambda()#1}::operator()() const [clone .constprop.0] () at /app/webkit/WebKitBuild/Release/lib/libwebkit2gtk-4.1.so.0
#8  0x00007f1dcaa19479 in  () at /app/webkit/WebKitBuild/Release/lib/libwebkit2gtk-4.1.so.0
#9  0x00007f1dc96eedda in WTF::Thread::entryPoint(WTF::Thread::NewThreadContext*) () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0
#10 0x00007f1dc9760bc9 in WTF::wtfThreadEntryPoint(void*) () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0
#11 0x00007f1dc60f83ba in start_thread (arg=0x7f1d7acff640) at pthread_create.c:481
#12 0x00007f1dc35b6b03 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f1d79cfd640 (LWP 341)):
#0  0x00007f1dc35abb5d in __GI___poll (fds=0x7f1d6c004bd0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f1dced1a5ce in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7f1d6c004bd0, timeout=<optimized out>, context=0x7f1d6c000b60) at ../glib/gmain.c:4478
#2  g_main_context_iterate (context=0x7f1d6c000b60, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/gmain.c:4170
#3  0x00007f1dced1a943 in g_main_loop_run (loop=0x7f1d6c003e60) at ../glib/gmain.c:4373
#4  0x00007f1dc975e160 in WTF::RunLoop::run() () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0
#5  0x00007f1dc96eedda in WTF::Thread::entryPoint(WTF::Thread::NewThreadContext*) () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0
#6  0x00007f1dc9760bc9 in WTF::wtfThreadEntryPoint(void*) () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0
#7  0x00007f1dc60f83ba in start_thread (arg=0x7f1d79cfd640) at pthread_create.c:481
#8  0x00007f1dc35b6b03 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f1d7a4fe640 (LWP 340)):
#0  do_lookup_x (undef_name=undef_name@entry=0x7f1dc385f5cc "opendir", new_hash=new_hash@entry=1893953398, old_hash=old_hash@entry=0x7f1d7a4fd270, ref=0x7f1dc37f8788, result=result@entry=0x7f1d7a4fd280, scope=<optimized out>, i=44, version=0x7f1dc2654480, flags=5, skip=<optimized out>, type_class=<optimized out>, undef_map=0x7f1dc3a38520) at dl-lookup.c:422
#1  0x00007f1dcee45945 in _dl_lookup_symbol_x (undef_name=0x7f1dc385f5cc "opendir", undef_map=0x7f1dc3a38520, ref=ref@entry=0x7f1d7a4fd318, symbol_scope=<optimized out>, version=0x7f1dc2654480, type_class=type_class@entry=1, flags=5, skip_map=0x0) at dl-lookup.c:855
#2  0x00007f1dcee49dd6 in _dl_fixup (l=<optimized out>, reloc_arg=<optimized out>) at dl-runtime.c:109
#3  0x00007f1dcee5152e in _dl_runtime_resolve_xsavec () at ../sysdeps/x86_64/dl-trampoline.h:126
#4  0x00007f1dc3968a00 in std::filesystem::_Dir_base::_Dir_base(char const*, bool, std::error_code&) (ec=..., skip_permission_denied=false, pathname=<optimized out>, this=0x7f1d7a4fd770) at ../../../../../libstdc++-v3/src/c++17/../filesystem/dir-common.h:82
#5  std::filesystem::__cxx11::_Dir::_Dir(std::filesystem::__cxx11::path const&, bool, std::error_code&) (ec=..., skip_permission_denied=false, p=filesystem::path "/tmp/WebKitTestRunners-SkVATv/home/.local/share/webkitgtk/deviceidhashsalts/1" = {...}, this=0x7f1d7a4fd770) at ../../../../../libstdc++-v3/src/c++17/fs_dir.cc:48
#6  std::filesystem::__cxx11::directory_iterator::directory_iterator(std::filesystem::__cxx11::path const&, std::filesystem::directory_options, std::error_code*) (this=0x7f1d7a4fd860, p=filesystem::path "/tmp/WebKitTestRunners-SkVATv/home/.local/share/webkitgtk/deviceidhashsalts/1" = {...}, options=<optimized out>, ecptr=0x7f1d7a4fd850) at ../../../../../libstdc++-v3/src/c++17/fs_dir.cc:135
#7  0x00007f1dc96d1204 in WTF::FileSystemImpl::listDirectory(WTF::String const&) () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0
#8  0x00007f1dca7e9f0d in WTF::Detail::CallableWrapper<WebKit::DeviceIdHashSaltStorage::loadStorageFromDisk(WTF::CompletionHandler<void (WTF::HashMap<WTF::String, std::unique_ptr<WebKit::DeviceIdHashSaltStorage::HashSaltForOrigin, std::default_delete<WebKit::DeviceIdHashSaltStorage::HashSaltForOrigin> >, WTF::DefaultHash<WTF::String>, WTF::HashTraits<WTF::String>, WTF::HashTraits<std::unique_ptr<WebKit::DeviceIdHashSaltStorage::HashSaltForOrigin, std::default_delete<WebKit::DeviceIdHashSaltStorage::HashSaltForOrigin> > >, WTF::HashTableTraits>&&)>&&)::{lambda()#1}, void>::call() () at /app/webkit/WebKitBuild/Release/lib/libwebkit2gtk-4.1.so.0
#9  0x00007f1dc96ec004 in WTF::RunLoop::performWork() () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0
#10 0x00007f1dc975d559 in WTF::RunLoop::RunLoop()::{lambda(void*)#1}::_FUN(void*) () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0
#11 0x00007f1dc975e01f in WTF::RunLoop::{lambda(_GSource*, int (*)(void*), void*)#1}::_FUN(_GSource*, int (*)(void*), void*) () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0
#12 0x00007f1dced1a294 in g_main_dispatch (context=0x7f1d74000b60) at ../glib/gmain.c:3381
#13 g_main_context_dispatch (context=0x7f1d74000b60) at ../glib/gmain.c:4099
#14 0x00007f1dced1a638 in g_main_context_iterate (context=0x7f1d74000b60, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/gmain.c:4175
#15 0x00007f1dced1a943 in g_main_loop_run (loop=0x7f1d74003200) at ../glib/gmain.c:4373
#16 0x00007f1dc975e160 in WTF::RunLoop::run() () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0
#17 0x00007f1dc96eedda in WTF::Thread::entryPoint(WTF::Thread::NewThreadContext*) () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0
#18 0x00007f1dc9760bc9 in WTF::wtfThreadEntryPoint(void*) () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0
#19 0x00007f1dc60f83ba in start_thread (arg=0x7f1d7a4fe640) at pthread_create.c:481
#20 0x00007f1dc35b6b03 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f1dbba82640 (LWP 332)):
#0  0x00007f1dc6104e1d in __futex_abstimed_wait_common64 (futex_word=futex_word@entry=0x7f1dc9aded6c <bmalloc::StaticPerProcessStorageTraits<bmalloc::Scavenger>::Storage::s_memory+76>, expected=expected@entry=0, clockid=clockid@entry=1, abstime=abstime@entry=0x7f1dbba81b40, private=private@entry=0, cancel=cancel@entry=true) at ../sysdeps/nptl/futex-internal.c:74
#1  0x00007f1dc6104e8f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x7f1dc9aded6c <bmalloc::StaticPerProcessStorageTraits<bmalloc::Scavenger>::Storage::s_memory+76>, expected=expected@entry=0, clockid=clockid@entry=1, abstime=abstime@entry=0x7f1dbba81b40, private=private@entry=0) at ../sysdeps/nptl/futex-internal.c:123
#2  0x00007f1dc60febdb in __pthread_cond_wait_common (abstime=0x7f1dbba81b40, clockid=1, mutex=<optimized out>, cond=0x7f1dc9aded40 <bmalloc::StaticPerProcessStorageTraits<bmalloc::Scavenger>::Storage::s_memory+32>) at pthread_cond_wait.c:504
#3  __pthread_cond_clockwait (abstime=0x7f1dbba81b40, clockid=1, mutex=<optimized out>, cond=0x7f1dc9aded40 <bmalloc::StaticPerProcessStorageTraits<bmalloc::Scavenger>::Storage::s_memory+32>) at pthread_cond_wait.c:672
#4  __pthread_cond_clockwait (cond=0x7f1dc9aded40 <bmalloc::StaticPerProcessStorageTraits<bmalloc::Scavenger>::Storage::s_memory+32>, mutex=<optimized out>, clockid=1, abstime=0x7f1dbba81b40) at pthread_cond_wait.c:660
#5  0x00007f1dc977013a in bmalloc::Scavenger::threadRunLoop() () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0
#6  0x00007f1dc97702c9 in  () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0
#7  0x00007f1dc38cc5e5 in std::execute_native_thread_routine(void*) (__p=0x55c3507353a0) at ../../../../../libstdc++-v3/src/c++11/thread.cc:82
#8  0x00007f1dc60f83ba in start_thread (arg=0x7f1dbba82640) at pthread_create.c:481
#9  0x00007f1dc35b6b03 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f1dc2651380 (LWP 206)):
#0  0x000055c34ede5a20 in WTR::PlatformWebView::page() ()
#1  0x000055c34ede66a3 in WTR::TestController::platformPreferences() ()
#2  0x000055c34edb4597 in WTR::TestController::resetPreferencesToConsistentValues(WTR::TestOptions const&) ()
#3  0x000055c34edb8c39 in WTR::TestController::createWebViewWithOptions(WTR::TestOptions const&) ()
#4  0x000055c34edbf0e7 in WTR::TestController::ensureViewSupportsOptionsForTest(WTR::TestInvocation const&) ()
#5  0x000055c34edbf6e1 in WTR::TestController::configureViewForTest(WTR::TestInvocation const&) ()
#6  0x000055c34edcc90d in WTR::TestInvocation::invoke() ()
#7  0x000055c34edb5efd in WTR::TestController::runTest(char const*) ()
#8  0x000055c34edb65ef in WTR::TestController::runTestingServerLoop() ()
#9  0x000055c34edb6bd8 in WTR::TestController::TestController(int, char const**) ()
#10 0x000055c34eda58bb 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: <empty>