crash log for WebKitTestRunner (pid 1235): [New LWP 1235] [New LWP 1245] [New LWP 1243] [New LWP 1244] [New LWP 1248] [New LWP 1252] [New LWP 1253] [New LWP 1276] [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 --localhost-alias web-plat'. Program terminated with signal SIGSEGV, Segmentation fault. #0 0x00007f7d746fecbe in WTFCrash () from /app/webkit/WebKitBuild/Release/lib/libWPEWebKit-2.0.so.1 [Current thread is 1 (Thread 0x7f7d6a3ae9c0 (LWP 1235))] Thread 8 (Thread 0x7f7d15ffb640 (LWP 1276)): #0 0x00007f7d6b2c10cd in __GI___poll (fds=0x7f7d00002fd0, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f7d7797bf9e in g_main_context_poll (priority=, n_fds=2, fds=0x7f7d00002fd0, timeout=, context=0x7f7d00000b70) at ../glib/gmain.c:4518 #2 g_main_context_iterate.constprop.0 (context=0x7f7d00000b70, block=block@entry=1, dispatch=dispatch@entry=1, self=) at ../glib/gmain.c:4208 #3 0x00007f7d779252af in g_main_loop_run (loop=0x7f7d00003160) at ../glib/gmain.c:4413 #4 0x00007f7d747af900 in WTF::RunLoop::run() () at /app/webkit/WebKitBuild/Release/lib/libWPEWebKit-2.0.so.1 #5 0x00007f7d74738aa6 in WTF::Thread::entryPoint(WTF::Thread::NewThreadContext*) () at /app/webkit/WebKitBuild/Release/lib/libWPEWebKit-2.0.so.1 #6 0x00007f7d747b3559 in WTF::wtfThreadEntryPoint(void*) () at /app/webkit/WebKitBuild/Release/lib/libWPEWebKit-2.0.so.1 #7 0x00007f7d6b2441da in start_thread (arg=) at pthread_create.c:442 #8 0x00007f7d6b2ccf44 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:100 Thread 7 (Thread 0x7f7d177fe640 (LWP 1253)): #0 0x00007f7d6b2c10cd in __GI___poll (fds=0x7f7d040043c0, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f7d7797bf9e in g_main_context_poll (priority=, n_fds=2, fds=0x7f7d040043c0, timeout=, context=0x7f7d04000b70) at ../glib/gmain.c:4518 #2 g_main_context_iterate.constprop.0 (context=0x7f7d04000b70, block=block@entry=1, dispatch=dispatch@entry=1, self=) at ../glib/gmain.c:4208 #3 0x00007f7d779252af in g_main_loop_run (loop=0x7f7d04003640) at ../glib/gmain.c:4413 #4 0x00007f7d747af900 in WTF::RunLoop::run() () at /app/webkit/WebKitBuild/Release/lib/libWPEWebKit-2.0.so.1 #5 0x00007f7d74738aa6 in WTF::Thread::entryPoint(WTF::Thread::NewThreadContext*) () at /app/webkit/WebKitBuild/Release/lib/libWPEWebKit-2.0.so.1 #6 0x00007f7d747b3559 in WTF::wtfThreadEntryPoint(void*) () at /app/webkit/WebKitBuild/Release/lib/libWPEWebKit-2.0.so.1 #7 0x00007f7d6b2441da in start_thread (arg=) at pthread_create.c:442 #8 0x00007f7d6b2ccf44 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:100 Thread 6 (Thread 0x7f7d17fff640 (LWP 1252)): #0 0x00007f7d6b2c10cd in __GI___poll (fds=0x55b59bc23190, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f7d7797bf9e in g_main_context_poll (priority=, n_fds=1, fds=0x55b59bc23190, timeout=, context=0x55b59bc24d40) at ../glib/gmain.c:4518 #2 g_main_context_iterate.constprop.0 (context=context@entry=0x55b59bc24d40, block=block@entry=1, dispatch=dispatch@entry=1, self=) at ../glib/gmain.c:4208 #3 0x00007f7d779234a3 in g_main_context_iteration (context=0x55b59bc24d40, may_block=may_block@entry=1) at ../glib/gmain.c:4278 #4 0x00007f7d779234f9 in glib_worker_main (data=) at ../glib/gmain.c:6180 #5 0x00007f7d77955722 in g_thread_proxy (data=0x55b59bc07700) at ../glib/gthread.c:827 #6 0x00007f7d6b2441da in start_thread (arg=) at pthread_create.c:442 #7 0x00007f7d6b2ccf44 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:100 Thread 5 (Thread 0x7f7d1cba6640 (LWP 1248)): #0 0x00007f7d6b2c10cd in __GI___poll (fds=0x7f7d10004bf0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f7d7797bf9e in g_main_context_poll (priority=, n_fds=1, fds=0x7f7d10004bf0, timeout=, context=0x7f7d10000b70) at ../glib/gmain.c:4518 #2 g_main_context_iterate.constprop.0 (context=0x7f7d10000b70, block=block@entry=1, dispatch=dispatch@entry=1, self=) at ../glib/gmain.c:4208 #3 0x00007f7d779252af in g_main_loop_run (loop=0x7f7d10003a40) at ../glib/gmain.c:4413 #4 0x00007f7d747af900 in WTF::RunLoop::run() () at /app/webkit/WebKitBuild/Release/lib/libWPEWebKit-2.0.so.1 #5 0x00007f7d74738aa6 in WTF::Thread::entryPoint(WTF::Thread::NewThreadContext*) () at /app/webkit/WebKitBuild/Release/lib/libWPEWebKit-2.0.so.1 #6 0x00007f7d747b3559 in WTF::wtfThreadEntryPoint(void*) () at /app/webkit/WebKitBuild/Release/lib/libWPEWebKit-2.0.so.1 #7 0x00007f7d6b2441da in start_thread (arg=) at pthread_create.c:442 #8 0x00007f7d6b2ccf44 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:100 Thread 4 (Thread 0x7f7d1dba8640 (LWP 1244)): #0 __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x7f7d1dba7860, op=393, expected=0, futex_word=0x7f7d60070160) at futex-internal.c:57 #1 __futex_abstimed_wait_common (futex_word=futex_word@entry=0x7f7d60070160, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x7f7d1dba7860, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87 #2 0x00007f7d6b240c1f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x7f7d60070160, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x7f7d1dba7860, private=private@entry=0) at futex-internal.c:139 #3 0x00007f7d6b243812 in __pthread_cond_wait_common (abstime=0x7f7d1dba7860, clockid=0, mutex=, cond=0x7f7d60070138) at pthread_cond_wait.c:503 #4 ___pthread_cond_timedwait64 (cond=0x7f7d60070138, mutex=, abstime=0x7f7d1dba7860) at pthread_cond_wait.c:643 #5 0x00007f7d747b3e88 in WTF::ThreadCondition::timedWait(WTF::Mutex&, WTF::WallTime) () at /app/webkit/WebKitBuild/Release/lib/libWPEWebKit-2.0.so.1 #6 0x00007f7d74732c3b in WTF::ParkingLot::parkConditionallyImpl(void const*, WTF::ScopedLambda const&, WTF::ScopedLambda const&, WTF::TimeWithDynamicClockType const&) () at /app/webkit/WebKitBuild/Release/lib/libWPEWebKit-2.0.so.1 #7 0x00007f7d74736d1c in WTF::sleep(WTF::Seconds) () at /app/webkit/WebKitBuild/Release/lib/libWPEWebKit-2.0.so.1 #8 0x00007f7d730d75c7 in WebKit::MemoryPressureMonitor::start()::{lambda()#1}::operator()() const [clone .constprop.0] () at /app/webkit/WebKitBuild/Release/lib/libWPEWebKit-2.0.so.1 #9 0x00007f7d730d7d99 in () at /app/webkit/WebKitBuild/Release/lib/libWPEWebKit-2.0.so.1 #10 0x00007f7d74738aa6 in WTF::Thread::entryPoint(WTF::Thread::NewThreadContext*) () at /app/webkit/WebKitBuild/Release/lib/libWPEWebKit-2.0.so.1 #11 0x00007f7d747b3559 in WTF::wtfThreadEntryPoint(void*) () at /app/webkit/WebKitBuild/Release/lib/libWPEWebKit-2.0.so.1 #12 0x00007f7d6b2441da in start_thread (arg=) at pthread_create.c:442 #13 0x00007f7d6b2ccf44 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:100 Thread 3 (Thread 0x7f7d623ab640 (LWP 1243)): #0 __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x7f7d623aab80, op=393, expected=0, futex_word=0x7f7d623ba690) at futex-internal.c:57 #1 __futex_abstimed_wait_common (futex_word=futex_word@entry=0x7f7d623ba690, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x7f7d623aab80, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87 #2 0x00007f7d6b240c1f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x7f7d623ba690, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x7f7d623aab80, private=private@entry=0) at futex-internal.c:139 #3 0x00007f7d6b243812 in __pthread_cond_wait_common (abstime=0x7f7d623aab80, clockid=0, mutex=, cond=0x7f7d623ba668) at pthread_cond_wait.c:503 #4 ___pthread_cond_timedwait64 (cond=0x7f7d623ba668, mutex=, abstime=0x7f7d623aab80) at pthread_cond_wait.c:643 #5 0x00007f7d76ed5083 in scavenger_thread_main () at /app/webkit/WebKitBuild/Release/lib/libWPEWebKit-2.0.so.1 #6 0x00007f7d6b2441da in start_thread (arg=) at pthread_create.c:442 #7 0x00007f7d6b2ccf44 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:100 Thread 2 (Thread 0x7f7d1d3a7640 (LWP 1245)): #0 0x00007f7d6b2c10cd in __GI___poll (fds=0x7f7d18005040, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f7d7797bf9e in g_main_context_poll (priority=, n_fds=1, fds=0x7f7d18005040, timeout=, context=0x7f7d18000b70) at ../glib/gmain.c:4518 #2 g_main_context_iterate.constprop.0 (context=0x7f7d18000b70, block=block@entry=1, dispatch=dispatch@entry=1, self=) at ../glib/gmain.c:4208 #3 0x00007f7d779252af in g_main_loop_run (loop=0x7f7d18003e70) at ../glib/gmain.c:4413 #4 0x00007f7d747af900 in WTF::RunLoop::run() () at /app/webkit/WebKitBuild/Release/lib/libWPEWebKit-2.0.so.1 #5 0x00007f7d74738aa6 in WTF::Thread::entryPoint(WTF::Thread::NewThreadContext*) () at /app/webkit/WebKitBuild/Release/lib/libWPEWebKit-2.0.so.1 #6 0x00007f7d747b3559 in WTF::wtfThreadEntryPoint(void*) () at /app/webkit/WebKitBuild/Release/lib/libWPEWebKit-2.0.so.1 #7 0x00007f7d6b2441da in start_thread (arg=) at pthread_create.c:442 #8 0x00007f7d6b2ccf44 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:100 Thread 1 (Thread 0x7f7d6a3ae9c0 (LWP 1235)): #0 0x00007f7d746fecbe in WTFCrash () at /app/webkit/WebKitBuild/Release/lib/libWPEWebKit-2.0.so.1 #1 0x000055b59a7d9e69 in () #2 0x000055b59a7fd1af in WTR::JSUIScriptController::sendEventStream(OpaqueJSContext const*, OpaqueJSValue*, OpaqueJSValue*, unsigned long, OpaqueJSValue const* const*, OpaqueJSValue const**) () #3 0x00007f7d732b4674 in long JSC::APICallbackFunction::callImpl(JSC::JSGlobalObject*, JSC::CallFrame*) () at /app/webkit/WebKitBuild/Release/lib/libWPEWebKit-2.0.so.1 #4 0x00007f7d1fbac027 in () #5 0x00007ffcc4203bc0 in () #6 0x00007f7d76f0f124 in op_call_slow_return_location () at /app/webkit/WebKitBuild/Release/lib/libWPEWebKit-2.0.so.1 #7 0x0000000000000000 in () STDERR: STDERR: warning: Can't open file /memfd:mesa-shared (deleted) during file-backed mapping note processing STDERR: STDERR: warning: Can't open file /memfd:WebKitSharedMemory (deleted) during file-backed mapping note processing STDERR: STDERR: warning: the debug information found in "/usr/lib/debug//usr/lib/x86_64-linux-gnu/libwayland-server.so.0.21.0.debug" does not match "/usr/lib/x86_64-linux-gnu/libwayland-server.so.0" (CRC mismatch). STDERR: STDERR: STDERR: warning: the debug information found in "/usr/lib/debug//usr/lib/x86_64-linux-gnu/libwayland-server.so.0.21.0.debug" does not match "/usr/lib/x86_64-linux-gnu/libwayland-server.so.0" (CRC mismatch). STDERR: STDERR: STDERR: warning: the debug information found in "/usr/lib/debug//usr/lib/x86_64-linux-gnu/libwayland-egl.so.1.21.0.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.1.21.0.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-client.so.0.21.0.debug" does not match "/usr/lib/x86_64-linux-gnu/libwayland-client.so.0" (CRC mismatch). STDERR: STDERR: STDERR: warning: the debug information found in "/usr/lib/debug//usr/lib/x86_64-linux-gnu/libwayland-client.so.0.21.0.debug" does not match "/usr/lib/x86_64-linux-gnu/libwayland-client.so.0" (CRC mismatch). STDERR: STDERR: STDERR: warning: the debug information found in "/usr/lib/debug//usr/lib/x86_64-linux-gnu/libicudata.so.71.1.debug" does not match "/usr/lib/x86_64-linux-gnu/libicudata.so.71" (CRC mismatch). STDERR: STDERR: STDERR: warning: the debug information found in "/usr/lib/debug//usr/lib/x86_64-linux-gnu/libicudata.so.71.1.debug" does not match "/usr/lib/x86_64-linux-gnu/libicudata.so.71" (CRC mismatch). STDERR: STDERR: STDERR: warning: the debug information found in "/usr/lib/debug//usr/lib/x86_64-linux-gnu/libwayland-cursor.so.0.21.0.debug" does not match "/usr/lib/x86_64-linux-gnu/libwayland-cursor.so.0" (CRC mismatch). STDERR: STDERR: STDERR: warning: the debug information found in "/usr/lib/debug//usr/lib/x86_64-linux-gnu/libwayland-cursor.so.0.21.0.debug" does not match "/usr/lib/x86_64-linux-gnu/libwayland-cursor.so.0" (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: 1 0x7f7d746fecb9 WTFCrash STDERR: 2 0x55b59a7d9e69 /app/webkit/WebKitBuild/Release/bin/WebKitTestRunner(+0xe7e69) [0x55b59a7d9e69] STDERR: 3 0x55b59a7fd1af /app/webkit/WebKitBuild/Release/bin/WebKitTestRunner(+0x10b1af) [0x55b59a7fd1af] STDERR: 4 0x7f7d732b4674 /app/webkit/WebKitBuild/Release/lib/libWPEWebKit-2.0.so.1(+0x23ae674) [0x7f7d732b4674] STDERR: 5 0x7f7d1fbac027 [0x7f7d1fbac027]