.
Thread 1 (Thread 0x7ff1c96ffac0 (LWP 2397)):
#0  0x00007ff1c3dda588 in Gigacage::<lambda()>::operator() (__closure=<optimized out>) at ./Source/bmalloc/bmalloc/Gigacage.cpp:154
        bump = <optimized out>
        totalSize = 120259084288
        shuffledKinds = {Gigacage::JSValue, Gigacage::Primitive, Gigacage::String}
        random = 2153997632571544910
        alignTo = <optimized out>
        maxAlignment = <optimized out>
        base = <optimized out>
        nextCage = <optimized out>
#1  std::__invoke_impl<void, Gigacage::ensureGigacage()::<lambda()> > (__f=...) at /usr/include/c++/7/bits/invoke.h:60
No locals.
#2  std::__invoke<Gigacage::ensureGigacage()::<lambda()> > (__fn=...) at /usr/include/c++/7/bits/invoke.h:95
No locals.
#3  std::<lambda()>::operator() (__closure=<optimized out>) at /usr/include/c++/7/mutex:672
        __f = <optimized out>
        __f = <optimized out>
#4  std::<lambda()>::operator() (__closure=0x0) at /usr/include/c++/7/mutex:677
No locals.
#5  std::<lambda()>::_FUN(void) () at /usr/include/c++/7/mutex:677
No locals.
#6  0x00007ff1c87ef827 in __pthread_once_slow (once_control=0x7ff1c404202c <Gigacage::ensureGigacage()::onceFlag>, init_routine=0x7ff1baec0490 <std::__once_proxy()>) at pthread_once.c:116
        _buffer = {__routine = 0x7ff1c87ef880 <clear_once_control>, __arg = 0x7ff1c404202c <Gigacage::ensureGigacage()::onceFlag>, __canceltype = -914976400, __prev = 0x0}
        val = <optimized out>
        newval = <optimized out>
#7  0x00007ff1c3dd9e0d in __gthread_once (__func=<optimized out>, __once=0x7ff1c404202c <Gigacage::ensureGigacage()::onceFlag>) at /usr/include/x86_64-linux-gnu/c++/7/bits/gthr-default.h:699
No locals.
#8  std::call_once<Gigacage::ensureGigacage()::<lambda()> > (__once=..., __f=...) at /usr/include/c++/7/mutex:684
        __callable = {__(float) = @0x7ffd4d3ef4bf}
        __e = <optimized out>
        __callable = <optimized out>
        __e = <optimized out>
#9  Gigacage::ensureGigacage () at ./Source/bmalloc/bmalloc/Gigacage.cpp:108
        onceFlag = {_M_once = 1}
#10 0x00007ff1c3ddad01 in bmalloc::Heap::Heap (this=0x7ff1c403ee50 <bmalloc::PerProcess<bmalloc::PerHeapKind<bmalloc::Heap> >::s_memory+10032>, kind=<optimized out>) at ./Source/bmalloc/bmalloc/Heap.cpp:58
No locals.
#11 0x00007ff1c3dd8b10 in bmalloc::PerHeapKindBase<bmalloc::Heap>::PerHeapKindBase<std::lock_guard<bmalloc::StaticMutex>&> (this=0x7ff1c403c720 <bmalloc::PerProcess<bmalloc::PerHeapKind<bmalloc::Heap> >::s_memory>) at ./Source/bmalloc/bmalloc/PerHeapKind.h:43
        i = 3
#12 bmalloc::PerHeapKind<bmalloc::Heap>::PerHeapKind<std::lock_guard<bmalloc::StaticMutex>&> (this=0x7ff1c403c720 <bmalloc::PerProcess<bmalloc::PerHeapKind<bmalloc::Heap> >::s_memory>) at ./Source/bmalloc/bmalloc/PerHeapKind.h:95
No locals.
#13 bmalloc::PerProcess<bmalloc::PerHeapKind<bmalloc::Heap> >::getSlowCase () at ./Source/bmalloc/bmalloc/PerProcess.h:81
        t = <optimized out>
        lock = {_M_device = @0x7ff1c403c6f0}
#14 0x00007ff1c3dd87d4 in bmalloc::PerProcess<bmalloc::PerHeapKind<bmalloc::Heap> >::get () at ./Source/bmalloc/bmalloc/PerProcess.h:65
        object = <optimized out>
        object = <optimized out>
#15 bmalloc::Cache::Cache (this=0x7ff1c9761410, heapKind=bmalloc::HeapKind::StringGigacage) at ./Source/bmalloc/bmalloc/Cache.cpp:46
No locals.
#16 0x00007ff1c3dd8bf6 in bmalloc::PerHeapKindBase<bmalloc::Cache>::PerHeapKindBase<>() (this=<optimized out>) at ./Source/bmalloc/bmalloc/PerHeapKind.h:43
        i = 3
#17 bmalloc::PerHeapKind<bmalloc::Cache>::PerHeapKind<>() (this=<optimized out>) at ./Source/bmalloc/bmalloc/PerHeapKind.h:95
No locals.
#18 bmalloc::PerThread<bmalloc::PerHeapKind<bmalloc::Cache> >::getSlowCase () at ./Source/bmalloc/bmalloc/PerThread.h:145
        t = <optimized out>
#19 0x00007ff1c3dd887f in bmalloc::Cache::allocateSlowCaseNullCache (heapKind=heapKind@entry=bmalloc::HeapKind::StringGigacage, size=size@entry=24) at ./Source/bmalloc/bmalloc/Cache.cpp:58
No locals.
#20 0x00007ff1c3dc5e7e in bmalloc::Cache::allocate (size=24, heapKind=bmalloc::HeapKind::StringGigacage) at ./Source/bmalloc/bmalloc/Cache.h:78
        caches = <optimized out>
        caches = <optimized out>
#21 bmalloc::api::malloc (kind=bmalloc::HeapKind::StringGigacage, size=24) at ./Source/bmalloc/bmalloc/bmalloc.h:49
No locals.
#22 WTF::stringMalloc (size=size@entry=24) at ./Source/WTF/wtf/text/StringMalloc.cpp:68
No locals.
#23 0x00007ff1c3dbdf56 in WTF::StringImpl::operator new (size=24) at ./Source/WTF/wtf/text/StringImpl.h:161
No locals.
#24 WTF::StringImpl::createFromLiteral (characters=characters@entry=0x7ff1c5f35390 "<meta http-equiv=\"content-type\" content=\"text/html; charset=utf-8\">", length=3321058192) at ./Source/WTF/wtf/text/StringImpl.cpp:153
No locals.
#25 0x00007ff1c3dbdfe1 in WTF::StringImpl::createFromLiteral (characters=0x7ff1c5f35390 "<meta http-equiv=\"content-type\" content=\"text/html; charset=utf-8\">") at ./Source/WTF/wtf/text/StringImpl.cpp:158
No locals.
#26 0x00007ff1c3dca3c0 in WTF::String::String (this=0x7ff1c6959440 <WebCore::gMarkupPrefix>, characters=...) at ./Source/WTF/wtf/text/WTFString.cpp:83
No locals.
#27 0x00007ff1c4584557 in __static_initialization_and_destruction_0 (__initialize_p=1, __priority=65535) at ./Source/WebCore/platform/gtk/PasteboardHelper.cpp:43
No locals.
#28 _GLOBAL__sub_I_PasteboardHelper.cpp(void) () at ./Source/WebCore/platform/gtk/PasteboardHelper.cpp:316
No locals.
#29 0x00007ff1c9550733 in call_init (env=0x7ffd4d3ef6d8, argv=0x7ffd4d3ef6c8, argc=1, l=<optimized out>) at dl-init.c:72
        j = <optimized out>
        jm = <optimized out>
        addrs = <optimized out>
        init_array = <optimized out>
        env = 0x7ffd4d3ef6d8
        argv = 0x7ffd4d3ef6c8
        init_array = <optimized out>
        argc = 1
        l = <optimized out>
        j = <optimized out>
        jm = <optimized out>
        addrs = <optimized out>
        init_array = <optimized out>
        init_array = <optimized out>
        j = <optimized out>
        jm = <optimized out>
        addrs = <optimized out>
#30 _dl_init (main_map=0x7ff1c9769170, argc=1, argv=0x7ffd4d3ef6c8, env=0x7ffd4d3ef6d8) at dl-init.c:119
        preinit_array = <optimized out>
        preinit_array_size = <optimized out>
        i = 6
#31 0x00007ff1c95410ca in _dl_start_user () from /tmp/apport_sandbox_OfkPyX/lib/x86_64-linux-gnu/ld-2.27.so
        library_path = 0x0
        version_info = 0
        any_debug = 0
        _dl_rtld_libname = {name = 0x5556f71c1238 "/lib64/ld-linux-x86-64.so.2", next = 0x7ff1c9768fe0 <newname>, dont_free = 0}
        relocate_time = 61863307
        _dl_rtld_libname2 = {name = 0x0, next = 0x0, dont_free = 0}
        start_time = 549952126411
        tls_init_tp_called = true
        load_time = 76844057
        audit_list = 0x0
        preloadlist = 0x0
        __GI__dl_argv = 0x7ffd4d3ef6c8
        _dl_argc = 1
        audit_list_string = 0x0
        _rtld_global = {_dl_ns = {{_ns_loaded = 0x7ff1c9769170, _ns_nloaded = 120, _ns_main_searchlist = 0x7ff1c9769428, _ns_global_scope_alloc = 0, _ns_unique_sym_table = {lock = {mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 1, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 16 times>, "\001", '\000' <repeats 22 times>, __align = 0}}, entries = 0x7ff1c96fa000, size = 251, n_elements = 155, free = 0x7ff1c955b620 <free>}, _ns_debug = {r_version = 0, r_map = 0x0, r_brk = 0, r_state = RT_CONSISTENT, r_ldbase = 0}}, {_ns_loaded = 0x0, _ns_nloaded = 0, _ns_main_searchlist = 0x0, _ns_global_scope_alloc = 0, _ns_unique_sym_table = {lock = {mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, entries = 0x0, size = 0, n_elements = 0, free = 0x0}, _ns_debug = {r_version = 0, r_map = 0x0, r_brk = 0, r_state = RT_CONSISTENT, r_ldbase = 0}} <repeats 15 times>}, _dl_nns = 1, _dl_load_lock = {mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 1, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 16 times>, "\001", '\000' <repeats 22 times>, __align = 0}}, _dl_load_write_lock = {mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 1, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 16 times>, "\001", '\000' <repeats 22 times>, __align = 0}}, _dl_load_adds = 120, _dl_initfirst = 0x0, _dl_cpuclock_offset = 549952154713, _dl_profile_map = 0x0, _dl_num_relocations = 21528, _dl_num_cache_relocations = 53543, _dl_all_dirs = 0x7ff1c9769e40, _dl_rtld_map = {l_addr = 140676441571328, l_name = 0x5556f71c1238 "/lib64/ld-linux-x86-64.so.2", l_ld = 0x7ff1c9767e68, l_next = 0x7ff1c972e040, l_prev = 0x7ff1c97319e0, l_real = 0x7ff1c97689f0 <_rtld_global+2448>, l_ns = 0, l_libname = 0x7ff1c9769030 <_dl_rtld_libname>, l_info = {0x0, 0x0, 0x7ff1c9767ee8, 0x7ff1c9767ed8, 0x7ff1c9767e78, 0x7ff1c9767e98, 0x7ff1c9767ea8, 0x7ff1c9767f18, 0x7ff1c9767f28, 0x7ff1c9767f38, 0x7ff1c9767eb8, 0x7ff1c9767ec8, 0x0, 0x0, 0x7ff1c9767e68, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7ff1c9767ef8, 0x0, 0x0, 0x7ff1c9767f08, 0x0 <repeats 12 times>, 0x7ff1c9767f58, 0x7ff1c9767f48, 0x0, 0x0, 0x7ff1c9767f78, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7ff1c9767f68, 0x0 <repeats 25 times>, 0x7ff1c9767e88}, l_phdr = 0x7ff1c9540040, l_entry = 0, l_phnum = 7, l_ldnum = 0, l_searchlist = {r_list = 0x0, r_nlist = 0}, l_symbolic_searchlist = {r_list = 0x0, r_nlist = 0}, l_loader = 0x0, l_versions = 0x7ff1c9708420, l_nversions = 6, l_nbuckets = 17, l_gnu_bitmask_idxbits = 3, l_gnu_shift = 8, l_gnu_bitmask = 0x7ff1c95402d8, {l_gnu_buckets = 0x7ff1c95402f8, l_chain = 0x7ff1c95402f8}, {l_gnu_chain_zero = 0x7ff1c9540338, l_buckets = 0x7ff1c9540338}, l_direct_opencount = 0, l_type = lt_library, l_relocated = 1, l_init_called = 1, l_global = 1, l_reserved = 0, l_phdr_allocated = 0, l_soname_added = 0, l_faked = 0, l_need_tls_init = 0, l_auditing = 0, l_audit_any_plt = 0, l_removed = 0, l_contiguous = 0, l_symbolic_in_local_scope = 0, l_free_initfini = 0, l_rpath_dirs = {dirs = 0x0, malloced = 0}, l_reloc_result = 0x0, l_versyms = 0x7ff1c9540914, l_origin = 0x0, l_map_start = 140676441571328, l_map_end = 140676443836784, l_text_end = 140676441701152, l_scope_mem = {0x0, 0x0, 0x0, 0x0}, l_scope_max = 0, l_scope = 0x0, l_local_scope = {0x0, 0x0}, l_file_id = {dev = 0, ino = 0}, l_runpath_dirs = {dirs = 0x0, malloced = 0}, l_initfini = 0x0, l_reldeps = 0x0, l_reldepsmax = 0, l_used = 1, l_feature_1 = 0, l_flags_1 = 0, l_flags = 0, l_idx = 0, l_mach = {plt = 0, gotplt = 0, tlsdesc_table = 0x0}, l_lookup_cache = {sym = 0x7ff1c9540480, type_class = 1, value = 0x7ff1c9766910, ret = 0x7ff1c83f40e8}, l_tls_initimage = 0x0, l_tls_initimage_size = 0, l_tls_blocksize = 0, l_tls_align = 0, l_tls_firstbyte_offset = 0, l_tls_offset = 0, l_tls_modid = 0, l_tls_dtor_count = 0, l_relro_addr = 2258560, l_relro_size = 2432, l_serial = 0, l_audit = 0x7ff1c9768e60 <_rtld_global+3584>}, audit_data = {{cookie = 0, bindflags = 0} <repeats 16 times>}, _dl_rtld_lock_recursive = 0x7ff1c87e9fa0 <__GI___pthread_mutex_lock>, _dl_rtld_unlock_recursive = 0x7ff1c87eb7a0 <__GI___pthread_mutex_unlock>, _dl_make_stack_executable_hook = 0x7ff1c87e6740 <__make_stacks_executable>, _dl_stack_flags = 6, _dl_tls_dtv_gaps = false, _dl_tls_max_dtv_idx = 10, _dl_tls_dtv_slotinfo_list = 0x7ff1c9702880, _dl_tls_static_nelem = 10, _dl_tls_static_size = 5056, _dl_tls_static_used = 1064, _dl_tls_static_align = 64, _dl_initial_dtv = 0x7ff1c9700420, _dl_tls_generation = 1, _dl_init_static_tls = 0x7ff1c87e7020 <__pthread_init_static_tls>, _dl_wait_lookup_done = 0x7ff1c87e7140 <__wait_lookup_done>, _dl_scope_free_list = 0x0}
        _rtld_global_ro = {_dl_debug_mask = 0, _dl_osversion = 265987, _dl_platform = 0x7ffd4d3ef999 "x86_64", _dl_platformlen = 6, _dl_pagesize = 4096, _dl_inhibit_cache = 0, _dl_initial_searchlist = {r_list = 0x7ff1c970a9c0, r_nlist = 119}, _dl_clktck = 100, _dl_verbose = 0, _dl_debug_fd = 2, _dl_lazy = 1, _dl_bind_not = 0, _dl_dynamic_weak = 0, _dl_fpu_control = 895, _dl_correct_cache_id = 771, _dl_hwcap = 2, _dl_auxv = 0x7ffd4d3ef848, _dl_x86_cpu_features = {kind = arch_kind_intel, max_cpuid = 13, cpuid = {{eax = 198313, ebx = 1050624, ecx = 2140857279, edx = 3219913727}, {eax = 0, ebx = 641, ecx = 0, edx = 0}, {eax = 0, ebx = 0, ecx = 0, edx = 0}}, family = 6, model = 58, xsave_state_size = 896, xsave_state_full_size = 896, feature = {1359985}, data_cache_size = 0, shared_cache_size = 0, non_temporal_threshold = 0}, _dl_x86_hwcap_flags = {"sse2\000\000\000\000", "x86_64\000\000", "avx512_1"}, _dl_x86_platforms = {"i586\000\000\000\000", "i686\000\000\000\000", "haswell\000", "xeon_phi"}, _dl_inhibit_rpath = 0x0, _dl_origin_path = 0x0, _dl_use_load_bias = 0, _dl_profile = 0x0, _dl_profile_output = 0x7ff1c955fb9c "/var/tmp", _dl_trace_prelink = 0x0, _dl_trace_prelink_map = 0x0, _dl_init_all_dirs = 0x7ff1c9769e40, _dl_sysinfo_dso = 0x7ffd4d3fd000, _dl_sysinfo_map = 0x7ff1c9769710, _dl_hwcap2 = 0, _dl_debug_printf = 0x7ff1c9551500 <_dl_debug_printf>, _dl_mcount = 0x7ff1c95528d0 <__GI__dl_mcount>, _dl_lookup_symbol_x = 0x7ff1c954b0b0 <_dl_lookup_symbol_x>, _dl_check_caller = 0x7ff1c9553d90 <_dl_check_caller>, _dl_open = 0x7ff1c9554710 <_dl_open>, _dl_close = 0x7ff1c9556a20 <_dl_close>, _dl_tls_get_addr_soft = 0x7ff1c95538f0 <_dl_tls_get_addr_soft>, _dl_discover_osversion = 0x7ff1c955b210 <_dl_discover_osversion>, _dl_audit = 0x0, _dl_naudit = 0}
        _dl_skip_args = 0
        __pointer_chk_guard_local = 8783460276348507856
#32 0x0000000000000001 in ?? ()
No symbol table info available.
#33 0x00007ffd4d3f09c2 in ?? ()
No symbol table info available.
#34 0x0000000000000000 in ?? ()
No symbol table info available.