.
Thread 11 (Thread 0x7f480a756700 (LWP 10344)):
#0  0x00007f4873e8faff in __GI___poll (fds=0x7f47f8003680, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
#1  0x00007f48741301ae in g_main_context_iterate.isra () from /tmp/apport_sandbox_6hg0kzgh/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0.6400.3
No symbol table info available.
#2  0x00007f4874130533 in g_main_loop_run () from /tmp/apport_sandbox_6hg0kzgh/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0.6400.3
No symbol table info available.
#3  0x00007f486f322850 in WTF::RunLoop::run () at ../Source/WTF/wtf/glib/RunLoopGLib.cpp:108
No locals.
#4  0x00007f486f2d2f58 in WTF::Function<void ()>::operator()() const () at ../Source/WTF/wtf/Function.h:83
No locals.
#5  WTF::Thread::entryPoint () at ../Source/WTF/wtf/Threading.cpp:171
No locals.
#6  0x00007f486f3247bd in wtfThreadEntryPoint () at ../Source/WTF/wtf/posix/ThreadingPOSIX.cpp:213
No locals.
#7  0x00007f4873f75609 in start_thread (arg=<optimized out>) at pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139947389839104, 3342628272935830785, 140730852656526, 140730852656527, 140730852656672, 139947389836352, -3390240342140484351, -3390223867109276415}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#8  0x00007f4873e9c293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.
.
Thread 10 (Thread 0x7f4819dfc700 (LWP 10337)):
#0  0x00007f4873e8faff in __GI___poll (fds=0x55aa4fe24000, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
#1  0x00007f48741301ae in g_main_context_iterate.isra () from /tmp/apport_sandbox_6hg0kzgh/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0.6400.3
No symbol table info available.
#2  0x00007f48741302e3 in g_main_context_iteration () from /tmp/apport_sandbox_6hg0kzgh/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0.6400.3
No symbol table info available.
#3  0x00007f486969699d in dconf_gdbus_worker_thread (user_data=0x55aa4fe240d0) at ../gdbus/dconf-gdbus-thread.c:82
        context = 0x55aa4fe240d0
#4  0x00007f4874159931 in g_thread_proxy () from /tmp/apport_sandbox_6hg0kzgh/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0.6400.3
No symbol table info available.
#5  0x00007f4873f75609 in start_thread (arg=<optimized out>) at pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139947648468736, 3342628272935830785, 140730852654078, 140730852654079, 140730852654224, 139947648465984, -3390272587681200895, -3390223867109276415}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#6  0x00007f4873e9c293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.
.
Thread 9 (Thread 0x7f481a5fd700 (LWP 10336)):
#0  0x00007f4873e8faff in __GI___poll (fds=0x7f480c002270, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
#1  0x00007f48741301ae in g_main_context_iterate.isra () from /tmp/apport_sandbox_6hg0kzgh/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0.6400.3
No symbol table info available.
#2  0x00007f4874130533 in g_main_loop_run () from /tmp/apport_sandbox_6hg0kzgh/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0.6400.3
No symbol table info available.
#3  0x00007f486f322850 in WTF::RunLoop::run () at ../Source/WTF/wtf/glib/RunLoopGLib.cpp:108
No locals.
#4  0x00007f486f2d2f58 in WTF::Function<void ()>::operator()() const () at ../Source/WTF/wtf/Function.h:83
No locals.
#5  WTF::Thread::entryPoint () at ../Source/WTF/wtf/Threading.cpp:171
No locals.
#6  0x00007f486f3247bd in wtfThreadEntryPoint () at ../Source/WTF/wtf/posix/ThreadingPOSIX.cpp:213
No locals.
#7  0x00007f4873f75609 in start_thread (arg=<optimized out>) at pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139947656861440, 3342628272935830785, 140730852653262, 140730852653263, 140730852653408, 139947656858688, -3390275883531729663, -3390223867109276415}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#8  0x00007f4873e9c293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.
.
Thread 8 (Thread 0x7f481adfe700 (LWP 10335)):
#0  0x00007f4873e8faff in __GI___poll (fds=0x7f48140026a0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
#1  0x00007f48741301ae in g_main_context_iterate.isra () from /tmp/apport_sandbox_6hg0kzgh/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0.6400.3
No symbol table info available.
#2  0x00007f4874130533 in g_main_loop_run () from /tmp/apport_sandbox_6hg0kzgh/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0.6400.3
No symbol table info available.
#3  0x00007f486f322850 in WTF::RunLoop::run () at ../Source/WTF/wtf/glib/RunLoopGLib.cpp:108
No locals.
#4  0x00007f486f2d2f58 in WTF::Function<void ()>::operator()() const () at ../Source/WTF/wtf/Function.h:83
No locals.
#5  WTF::Thread::entryPoint () at ../Source/WTF/wtf/Threading.cpp:171
No locals.
#6  0x00007f486f3247bd in wtfThreadEntryPoint () at ../Source/WTF/wtf/posix/ThreadingPOSIX.cpp:213
No locals.
#7  0x00007f4873f75609 in start_thread (arg=<optimized out>) at pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139947665254144, 3342628272935830785, 140730852653182, 140730852653183, 140730852653328, 139947665251392, -3390274783483230975, -3390223867109276415}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#8  0x00007f4873e9c293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.
.
Thread 7 (Thread 0x7f48188e0700 (LWP 10343)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x00007f487417d5a6 in g_cond_wait_until () from /tmp/apport_sandbox_6hg0kzgh/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0.6400.3
No symbol table info available.
#2  0x00007f4874100561 in g_async_queue_pop_intern_unlocked () from /tmp/apport_sandbox_6hg0kzgh/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0.6400.3
No symbol table info available.
#3  0x00007f4874100b86 in g_async_queue_timeout_pop () from /tmp/apport_sandbox_6hg0kzgh/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0.6400.3
No symbol table info available.
#4  0x00007f487415a279 in g_thread_pool_thread_proxy () from /tmp/apport_sandbox_6hg0kzgh/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0.6400.3
No symbol table info available.
#5  0x00007f4874159931 in g_thread_proxy () from /tmp/apport_sandbox_6hg0kzgh/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0.6400.3
No symbol table info available.
#6  0x00007f4873f75609 in start_thread (arg=<optimized out>) at pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139947626333952, 3342628272935830785, 140730852653918, 140730852653919, 140730852654064, 139947626331200, -3390269682135825151, -3390223867109276415}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#7  0x00007f4873e9c293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.
.
Thread 6 (Thread 0x7f4868994700 (LWP 10333)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f486f663a6c <bmalloc::StaticPerProcessStorageTraits<bmalloc::Scavenger>::Storage::s_memory+76>) at ../sysdeps/nptl/futex-internal.h:183
        __ret = -512
        oldtype = 0
        err = <optimized out>
        oldtype = <optimized out>
        err = <optimized out>
        __ret = <optimized out>
        resultvar = <optimized out>
        __arg4 = <optimized out>
        __arg3 = <optimized out>
        __arg2 = <optimized out>
        __arg1 = <optimized out>
        _a4 = <optimized out>
        _a3 = <optimized out>
        _a2 = <optimized out>
        _a1 = <optimized out>
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55aa4ffa4a80, cond=0x7f486f663a40 <bmalloc::StaticPerProcessStorageTraits<bmalloc::Scavenger>::Storage::s_memory+32>) at pthread_cond_wait.c:508
        spin = 0
        buffer = {__routine = 0x7f4873f7c050 <__condvar_cleanup_waiting>, __arg = 0x7f4868993a40, __canceltype = 1, __prev = 0x0}
        cbuffer = {wseq = 7, cond = 0x7f486f663a40 <bmalloc::StaticPerProcessStorageTraits<bmalloc::Scavenger>::Storage::s_memory+32>, mutex = 0x55aa4ffa4a80, private = 0}
        err = <optimized out>
        g = 1
        flags = <optimized out>
        g1_start = <optimized out>
        signals = <optimized out>
        result = 0
        wseq = 7
        seq = 3
        private = <optimized out>
        maxspin = <optimized out>
        err = <optimized out>
        result = <optimized out>
        wseq = <optimized out>
        g = <optimized out>
        seq = <optimized out>
        flags = <optimized out>
        private = <optimized out>
        signals = <optimized out>
        g1_start = <optimized out>
        spin = <optimized out>
        buffer = <optimized out>
        cbuffer = <optimized out>
        s = <optimized out>
#2  __pthread_cond_wait (cond=0x7f486f663a40 <bmalloc::StaticPerProcessStorageTraits<bmalloc::Scavenger>::Storage::s_memory+32>, mutex=0x55aa4ffa4a80) at pthread_cond_wait.c:638
No locals.
#3  0x00007f486cfbae50 in std::condition_variable::wait(std::unique_lock<std::mutex>&) () from /tmp/apport_sandbox_6hg0kzgh/usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.28
No symbol table info available.
#4  0x00007f486f33365a in std::_V2::condition_variable_any::wait<std::unique_lock<bmalloc::Mutex> > () at /usr/include/c++/9/condition_variable:273
No locals.
#5  wait<std::unique_lock<bmalloc::Mutex>, bmalloc::Scavenger::threadRunLoop()::<lambda()> > () at /usr/include/c++/9/condition_variable:282
No locals.
#6  bmalloc::Scavenger::threadRunLoop () at ../Source/bmalloc/bmalloc/Scavenger.cpp:416
No locals.
#7  0x00007f486f33392f in bmalloc::Scavenger::threadEntryPoint () at ../Source/bmalloc/bmalloc/Scavenger.cpp:395
No locals.
#8  0x00007f486cfc0d84 in ?? () from /tmp/apport_sandbox_6hg0kzgh/usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.28
No symbol table info available.
#9  0x00007f4873f75609 in start_thread (arg=<optimized out>) at pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139948969248512, 3342628272935830785, 140730852654078, 140730852654079, 140730852654080, 139948969245760, -3390164307260701439, -3390223867109276415}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#10 0x00007f4873e9c293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.
.
Thread 5 (Thread 0x7f4869e9e700 (LWP 10327)):
#0  0x00007f4873e8faff in __GI___poll (fds=0x55aa4fb11220, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
#1  0x00007f48741301ae in g_main_context_iterate.isra () from /tmp/apport_sandbox_6hg0kzgh/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0.6400.3
No symbol table info available.
#2  0x00007f4874130533 in g_main_loop_run () from /tmp/apport_sandbox_6hg0kzgh/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0.6400.3
No symbol table info available.
#3  0x00007f4874387eda in gdbus_shared_thread_func (user_data=0x55aa4fb02e10) at ../../../gio/gdbusprivate.c:279
        data = 0x55aa4fb02e10
#4  0x00007f4874159931 in g_thread_proxy () from /tmp/apport_sandbox_6hg0kzgh/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0.6400.3
No symbol table info available.
#5  0x00007f4873f75609 in start_thread (arg=<optimized out>) at pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139948991309568, 3342628272935830785, 140730852655662, 140730852655663, 140730852655808, 139948991306816, -3390166636206717695, -3390223867109276415}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#6  0x00007f4873e9c293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.
.
Thread 4 (Thread 0x7f481b5ff700 (LWP 10334)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7f481b5fe7f0, clockid=<optimized out>, expected=0, futex_word=0x7f485bee4060) at ../sysdeps/nptl/futex-internal.h:320
        __ret = -516
        clockbit = <optimized out>
        op = <optimized out>
        __ret = <optimized out>
        oldtype = 0
        err = <optimized out>
        oldtype = <optimized out>
        err = <optimized out>
        __ret = <optimized out>
        clockbit = <optimized out>
        op = <optimized out>
        __ret = <optimized out>
        resultvar = <optimized out>
        __arg6 = <optimized out>
        __arg5 = <optimized out>
        __arg4 = <optimized out>
        __arg3 = <optimized out>
        __arg2 = <optimized out>
        __arg1 = <optimized out>
        _a6 = <optimized out>
        _a5 = <optimized out>
        _a4 = <optimized out>
        _a3 = <optimized out>
        _a2 = <optimized out>
        _a1 = <optimized out>
#1  __pthread_cond_wait_common (abstime=0x7f481b5fe7f0, clockid=<optimized out>, mutex=0x7f485bee4010, cond=0x7f485bee4038) at pthread_cond_wait.c:520
        spin = 0
        buffer = {__routine = 0x7f4873f7c050 <__condvar_cleanup_waiting>, __arg = 0x7f481b5fe770, __canceltype = 459270032, __prev = 0x0}
        cbuffer = {wseq = 0, cond = 0x7f485bee4038, mutex = 0x7f485bee4010, private = 0}
        err = <optimized out>
        g = 0
        flags = <optimized out>
        g1_start = <optimized out>
        maxspin = 0
        signals = <optimized out>
        result = 0
        wseq = 0
        seq = 0
        private = <optimized out>
        maxspin = <optimized out>
        err = <optimized out>
        result = <optimized out>
        wseq = <optimized out>
        g = <optimized out>
        seq = <optimized out>
        flags = <optimized out>
        private = <optimized out>
        signals = <optimized out>
        g1_start = <optimized out>
        spin = <optimized out>
        buffer = <optimized out>
        cbuffer = <optimized out>
        s = <optimized out>
#2  __pthread_cond_timedwait (cond=0x7f485bee4038, mutex=0x7f485bee4010, abstime=0x7f481b5fe7f0) at pthread_cond_wait.c:656
        flags = <optimized out>
        clockid = <optimized out>
#3  0x00007f486f324fcf in WTF::ThreadCondition::timedWait () at ../Source/WTF/wtf/posix/ThreadingPOSIX.cpp:557
No locals.
#4  0x00007f486f2cec4b in WTF::ParkingLot::parkConditionallyImpl(void const*, WTF::ScopedLambda<bool ()> const&, WTF::ScopedLambda<void ()> const&, WTF::TimeWithDynamicClockType const&) () at ../Source/WTF/wtf/ParkingLot.cpp:595
No locals.
#5  0x00007f486f2d21ba in WTF::ParkingLot::parkConditionally<WTF::Condition::waitUntil<WTF::Lock>(WTF::Lock&, WTF::TimeWithDynamicClockType const&)::{lambda()#1}, WTF::Condition::waitUntil<WTF::Lock>(WTF::Lock&, WTF::TimeWithDynamicClockType const&)::{lambda()#2}>(void const*, WTF::Condition::waitUntil<WTF::Lock>(WTF::Lock&, WTF::TimeWithDynamicClockType const&)::{lambda()#1} const&, WTF::Condition::waitUntil<WTF::Lock>(WTF::Lock&, WTF::TimeWithDynamicClockType const&)::{lambda()#2} const&, WTF::TimeWithDynamicClockType const&) () at ../Source/WTF/wtf/ParkingLot.h:82
No locals.
#6  WTF::Condition::waitUntil<WTF::Lock> () at ../Source/WTF/wtf/Condition.h:76
No locals.
#7  WTF::Condition::waitFor<WTF::Lock> () at ../Source/WTF/wtf/Condition.h:116
No locals.
#8  WTF::sleep () at ../Source/WTF/wtf/Seconds.cpp:90
No locals.
#9  0x00007f48711db183 in operator() () at ../Source/WebKit/UIProcess/linux/MemoryPressureMonitor.cpp:361
No locals.
#10 0x00007f48711db84f in call () at DerivedSources/ForwardingHeaders/wtf/Function.h:52
No locals.
#11 0x00007f486f2d2f58 in WTF::Function<void ()>::operator()() const () at ../Source/WTF/wtf/Function.h:83
No locals.
#12 WTF::Thread::entryPoint () at ../Source/WTF/wtf/Threading.cpp:171
No locals.
#13 0x00007f486f3247bd in wtfThreadEntryPoint () at ../Source/WTF/wtf/posix/ThreadingPOSIX.cpp:213
No locals.
#14 0x00007f4873f75609 in start_thread (arg=<optimized out>) at pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139947673646848, 3342628272935830785, 140730852653358, 140730852653359, 140730852653504, 139947673644096, -3390278083628727039, -3390223867109276415}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#15 0x00007f4873e9c293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.
.
Thread 3 (Thread 0x7f486a69f700 (LWP 10326)):
#0  0x00007f4873e8faff in __GI___poll (fds=0x55aa4fafd6c0, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
#1  0x00007f48741301ae in g_main_context_iterate.isra () from /tmp/apport_sandbox_6hg0kzgh/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0.6400.3
No symbol table info available.
#2  0x00007f48741302e3 in g_main_context_iteration () from /tmp/apport_sandbox_6hg0kzgh/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0.6400.3
No symbol table info available.
#3  0x00007f4874130331 in glib_worker_main () from /tmp/apport_sandbox_6hg0kzgh/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0.6400.3
No symbol table info available.
#4  0x00007f4874159931 in g_thread_proxy () from /tmp/apport_sandbox_6hg0kzgh/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0.6400.3
No symbol table info available.
#5  0x00007f4873f75609 in start_thread (arg=<optimized out>) at pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139948999702272, 3342628272935830785, 140730852655230, 140730852655231, 140730852655376, 139948999699520, -3390169936352213759, -3390223867109276415}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#6  0x00007f4873e9c293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.
.
Thread 2 (Thread 0x7f48195fb700 (LWP 10338)):
#0  strcmp () at ../sysdeps/x86_64/strcmp.S:175
No locals.
#1  0x00007f4875048bcc in _dl_name_match_p (name=name@entry=0x7f48195f9ab0 "/usr/lib/ghostscript/9.50/X11.so", map=map@entry=0x55aa4fb146a0) at dl-misc.c:289
        runp = 0x55aa4fb14b28
#2  0x00007f48750404e9 in _dl_map_object (loader=loader@entry=0x7f4804002e30, name=name@entry=0x7f48195f9ab0 "/usr/lib/ghostscript/9.50/X11.so", type=type@entry=2, trace_mode=trace_mode@entry=0, mode=mode@entry=-1879048190, nsid=0) at dl-load.c:1946
        fd = <optimized out>
        origname = 0x0
        realname = 0x0
        name_copy = <optimized out>
        l = 0x55aa4fb146a0
        fb = {len = 3072, buf = "\000\207\177+,\001\363\273\000\000\000\000\000\000\000\000\340\314\241\004H\177\000\000(\226_\031H\177\000\000\060\203B\vH\177\000\000\266\226_\031H\177\000\000\260\226_\031H\177\000\000\260\226_\031H\177\000\000\325\203B\vH\177\000\000\000\000\000\000M\000\000\000\000\003\000\000N\000\000\000\021\000a\021\000\000\000\000\260V\327\004H\177", '\000' <repeats 362 times>...}
        __PRETTY_FUNCTION__ = "_dl_map_object"
        found_other_class = false
        stack_end = 0x0
#3  0x00007f487504bd37 in dl_open_worker (a=a@entry=0x7f48195f9850) at dl-open.c:513
        args = 0x7f48195f9850
        file = 0x7f48195f9ab0 "/usr/lib/ghostscript/9.50/X11.so"
        mode = -2147483646
        call_map = 0x7f4804002e30
        dst = <optimized out>
        new = <optimized out>
        __PRETTY_FUNCTION__ = "dl_open_worker"
        r = <optimized out>
        reloc_mode = <optimized out>
        nmaps = <optimized out>
        l = <optimized out>
        maps = <optimized out>
        relocation_in_progress = <optimized out>
        any_tls = <optimized out>
#4  0x00007f4873edd8b8 in __GI__dl_catch_exception (exception=exception@entry=0x7f48195f9830, operate=operate@entry=0x7f487504bc10 <dl_open_worker>, args=args@entry=0x7f48195f9850) at dl-error-skeleton.c:208
        errcode = 32584
        c = {exception = 0x7f48195f9830, errcode = 0x7f48195f972c, env = {{__jmpbuf = {-2, 3342346797958857985, -8, 139947640068144, 139949177716832, 2, -3390273686538517247, -3390223776548485887}, __mask_was_saved = 0, __saved_mask = {__val = {139947282706916, 139947283293787, 32, 139947283293807, 139947283293807, 139947283262688, 139947640070224, 100, 139947403625244, 139947214372875, 139947283293859, 139947640068160, 139947214438399, 139947640069808, 139947640069808, 0}}}}}
        old = 0x7f48195f9920
#5  0x00007f487504b5fa in _dl_open (file=0x7f48195f9ab0 "/usr/lib/ghostscript/9.50/X11.so", mode=-2147483646, caller_dlopen=<optimized out>, nsid=-2, argc=2, argv=0x7ffe747b4bf8, env=0x7ffe747b4c10) at dl-open.c:837
        args = {file = 0x7f48195f9ab0 "/usr/lib/ghostscript/9.50/X11.so", mode = -2147483646, caller_dlopen = 0x7f480b171d64 <gp_init+148>, map = 0x0, nsid = 0, original_global_scope_pending_adds = 0, argc = 2, argv = 0x7ffe747b4bf8, env = 0x7ffe747b4c10}
        exception = {objname = 0x0, errstring = 0x7f48195f988c "\376\177", message_buffer = 0x7f48195f9c8a ""}
        errcode = <optimized out>
        __PRETTY_FUNCTION__ = "_dl_open"
#6  0x00007f48705a634c in dlopen_doit (a=a@entry=0x7f48195f9a70) at dlopen.c:66
        args = 0x7f48195f9a70
#7  0x00007f4873edd8b8 in __GI__dl_catch_exception (exception=exception@entry=0x7f48195f9a10, operate=operate@entry=0x7f48705a62f0 <dlopen_doit>, args=args@entry=0x7f48195f9a70) at dl-error-skeleton.c:208
        errcode = 32584
        c = {exception = 0x7f48195f9a10, errcode = 0x7f48195f991c, env = {{__jmpbuf = {139947281490872, -3390244374853679871, -8, 997, 139947289549456, 763, -3390273686221847295, -3390223776548485887}, __mask_was_saved = 0, __saved_mask = {__val = {1841, 0, 2050, 32816, 139947281481760, 139947289549456, 139947289549456, 763, 139949158528025, 32768, 22, 139947640068810, 139949158805657, 2051, 267720, 2}}}}}
        old = 0x0
#8  0x00007f4873edd983 in __GI__dl_catch_error (objname=objname@entry=0x7f48040023c0, errstring=errstring@entry=0x7f48040023c8, mallocedp=mallocedp@entry=0x7f48040023b8, operate=operate@entry=0x7f48705a62f0 <dlopen_doit>, args=args@entry=0x7f48195f9a70) at dl-error-skeleton.c:227
        exception = {objname = 0x1000 <error: Cannot access memory at address 0x1000>, errstring = 0x7f48040023b0 "\025", message_buffer = 0x7f48195f9a70 "\260\232_\031H\177"}
        errorcode = <optimized out>
#9  0x00007f48705a6b59 in _dlerror_run (operate=operate@entry=0x7f48705a62f0 <dlopen_doit>, args=args@entry=0x7f48195f9a70) at dlerror.c:170
        result = 0x7f48040023b0
#10 0x00007f48705a63da in __dlopen (file=file@entry=0x7f48195f9ab0 "/usr/lib/ghostscript/9.50/X11.so", mode=mode@entry=2) at dlopen.c:87
        args = {file = 0x7f48195f9ab0 "/usr/lib/ghostscript/9.50/X11.so", mode = 2, new = 0x7f48195f9ab0, caller = 0x7f480b171d64 <gp_init+148>}
#11 0x00007f480b171d64 in gp_init () at ./base/gp_unix.c:79
        dir = 0x7f48047b2540
        dirent = <optimized out>
        buff = "/usr/lib/ghostscript/9.50/X11.so", '\000' <repeats 991 times>
        pbuff = 0x7f48195f9aca "X11.so"
        handle = <optimized out>
        gs_shared_init = <optimized out>
#12 0x00007f480b46a7b5 in gs_main_init0 (minst=minst@entry=0x7f48041a90f0, in=in@entry=0x0, out=out@entry=0x0, err=err@entry=0x0, max_lib_paths=max_lib_paths@entry=25) at ./psi/imain.c:139
        array = <optimized out>
        code = 0
#13 0x00007f480b46ec3a in gs_main_init_with_args01 (minst=minst@entry=0x7f48041a90f0, argc=13, argv=argv@entry=0x7f48047b1a90) at ./psi/imainarg.c:148
        arg = 0x0
        args = {expand_ats = 1, arg_fopen = 0x7f480b46ca60 <gs_main_arg_fopen>, fopen_data = 0x7f48041a90f0, get_codepoint = 0x7f480b46f100 <get_codepoint_utf8>, memory = 0x7f48047b2420, argp = 0x7f48047b1a98, argn = 12, depth = 0, cstr = "libspectre\000\031H\177\000\000\362\244\335sH\177\000\000\070\071.727273\000\000\000\000\000\000\000p\247_\031H\177\000\000\310\243\335sH\177\000\000\000\000\000\000\000\000\000\000\070\000\000\000\071\000\000\000.\000\000\000\067\000\000\000\062\000\000\000\067\000\000\000\062\000\000\000\067\000\000\000\063", '\000' <repeats 15 times>, ".\232\335sH\177\000\000\000\000\000\000\000\000\000\240", '\000' <repeats 32 times>, "\v@\341sH\177\000\000\a", '\000' <repeats 24 times>, "\207\177+\000\000\000\000"..., sources = {{is_file = 0, u = {s = {parsed = 0, decoded = 0, chars = 0x7f48047b1890 "`\031{\004H\177", memory = 0x0, str = 0x7f486805e8c2 ""}, file = 0x0}}, {is_file = 75176080, u = {s = {parsed = 75176180, decoded = 32584, chars = 0x0, memory = 0x0, str = 0x0}, file = 0x7f48047b18f4}}, {is_file = 0, u = {s = {parsed = 0, decoded = 0, chars = 0x80048efc60 <error: Cannot access memory at address 0x80048efc60>, memory = 0x7f485bf3ec4b <cmsPluginTHR+539>, str = 0x7f480b9d0000 <mem_true56_device+256> ""}, file = 0x0}}, {is_file = 0, u = {s = {parsed = 194878240, decoded = 32584, chars = 0x7f48040a8b30 "/dev/null", memory = 0xffffffffffffffff, str = 0x0}, file = 0x7f480b9d9b20 <gs_cms_memhandler>}}, {is_file = 67799866, u = {s = {parsed = 1, decoded = -1141702356, chars = 0x7f48ffffffff <error: Cannot access memory at address 0x7f48ffffffff>, memory = 0x0, str = 0x7f480b4d42e1 <gp_null_file_name+9> ""}, file = 0xbbf3012c00000001}}, {is_file = 1945531744, u = {s = {parsed = 1944154720, decoded = 32584, chars = 0x7f4873e17850 <__GI___libc_free> "\363\017\036\372H\203\354\030H\213\005\231\326\024", memory = 0x7f48047b2420, str = 0xbbf3012c2b7f8700 <error: Cannot access memory at address 0xbbf3012c2b7f8700>}, file = 0x7f4873e17260 <__GI___libc_malloc>}}, {is_file = 77949520, u = {s = {parsed = 76660336, decoded = 32584, chars = 0x7f480401bc20 "@\207\002\004H\177", memory = 0x7f4804a549f0, str = 0x7f48047b1a90 "\270\350\005hH\177"}, file = 0x7f480491be70}}, {is_file = 75490096, u = {s = {parsed = 763, decoded = 0, chars = 0x7f4868057cfc <_spectre_strdup_printf+188> "\205\300\270", memory = 0x7f48195fac40, str = 0x7f48047fe530 "-sDisplayHandle=16#7f4804a549f0"}, file = 0x2fb}}, {is_file = 16, u = {s = {parsed = 425699744, decoded = 32584, chars = 0x7f48195fa8e0 "Pj\245\004H\177", memory = 0xbbf3012c2b7f8700, str = 0x7f4804a56a50 " ${\004H\177"}, file = 0x7f48195fa9a0}}, {is_file = 77941232, u = {s = {parsed = 0, decoded = 0, chars = 0x7 <error: Cannot access memory at address 0x7>, memory = 0x6, str = 0x0}, file = 0x0}}, {is_file = -252645135, u = {s = {parsed = 0, decoded = 0, chars = 0x40566e8ba2e8ba2e <error: Cannot access memory at address 0x40566e8ba2e8ba2e>, memory = 0x0, str = 0x7f48040008d0 "\001"}, file = 0x0}}}}
        code = <optimized out>
        have_dumped_args = 0
#14 0x00007f480b46f06d in gs_main_init_with_args (minst=0x7f48041a90f0, argc=<optimized out>, argv=argv@entry=0x7f48047b1a90) at ./psi/imainarg.c:288
        code = <optimized out>
#15 0x00007f480b470491 in psapi_init_with_args (ctx=<optimized out>, argc=<optimized out>, argv=argv@entry=0x7f48047b1a90) at ./psi/psapi.c:272
No locals.
#16 0x00007f480b4d31d9 in gsapi_init_with_args (instance=<optimized out>, argc=<optimized out>, argv=argv@entry=0x7f48047b1a90) at ./psi/iapi.c:148
        ctx = <optimized out>
#17 0x00007f4868055af0 in spectre_gs_run (gs=gs@entry=0x7f480401bc20, n_args=<optimized out>, args=args@entry=0x7f48047b1a90) at spectre-gs.c:201
        error = <optimized out>
#18 0x00007f4868056747 in spectre_device_render (device=device@entry=0x7f4804a549f0, page=2, rc=rc@entry=0x7f480491be70, x=x@entry=0, y=y@entry=0, width=763, height=987, page_data=0x7f48195faab0, row_length=0x7f48195faaac) at spectre-device.c:366
        gs = 0x7f480401bc20
        args = 0x7f48047b1a90
        n_args = <optimized out>
        arg = <optimized out>
        success = <optimized out>
        fmt = <optimized out>
        text_alpha = 0x7f4804817630 "-dTextAlphaBits=4"
        graph_alpha = 0x7f48041e59d0 "-dGraphicsAlphaBits=2"
        size = 0x7f48041a0e60 "-g763x987"
        resolution = 0x7f48043d3a50 "-r89.764706x89.727273"
        set = <optimized out>
        dsp_format = 0x7f48047fe330 "-dDisplayFormat=6359172"
        dsp_handle = 0x7f48047fe530 "-sDisplayHandle=16#7f4804a549f0"
        width_points = 0x0
        height_points = 0x0
        gs_version = 950
#19 0x00007f48680570e6 in spectre_page_render (page=0x7f480401bf40, rc=0x7f480491be70, page_data=0x7f48195faab0, row_length=0x7f48195faaac) at spectre-page.c:164
        device = 0x7f4804a549f0
        width = 612
        height = 792
        __func__ = "spectre_page_render"
#20 0x00007f4868085a95 in ps_document_render () from /tmp/apport_sandbox_6hg0kzgh/usr/lib/x86_64-linux-gnu/atril/3/backends/libpsdocument.so
No symbol table info available.
#21 0x00007f4874f8f156 in ev_job_render_run (job=0x55aa50112d70) at ev-jobs.c:615
        job_render = 0x55aa50112d70
        ev_page = 0x7f4804001a70
        rc = 0x7f4804001aa0
#22 0x00007f4874f90d62 in ev_job_thread (job=0x55aa50112d70) at ev-job-scheduler.c:184
        result = <optimized out>
        result = <optimized out>
        gaps_temp_atomic = <optimized out>
        gaps_temp_newval = <optimized out>
        gaps_temp_atomic = <optimized out>
        gaps_temp_newval = <optimized out>
#23 ev_job_thread_proxy (data=<optimized out>) at ev-job-scheduler.c:217
        job = 0x55aa501171e0
#24 0x00007f4874159931 in g_thread_proxy () from /tmp/apport_sandbox_6hg0kzgh/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0.6400.3
No symbol table info available.
#25 0x00007f4873f75609 in start_thread (arg=<optimized out>) at pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139947640076032, 3342628272935830785, 140730852656398, 140730852656399, 140730852656544, 139947640073280, -3390273687729699583, -3390223867109276415}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#26 0x00007f4873e9c293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.
.
Thread 1 (Thread 0x7f486ac84ac0 (LWP 10325)):
#0  INT_cairo_surface_set_device_scale (surface=0x0, x_scale=1, y_scale=1) at ../../../../src/cairo-surface.c:1793
        status = <optimized out>
        __PRETTY_FUNCTION__ = "cairo_surface_set_device_scale"
#1  0x00007f4874f9604e in set_device_scale_on_surface (device_scale=<optimized out>, surface=<optimized out>) at ev-pixbuf-cache.c:266
No locals.
#2  copy_job_to_job_info (job_render=job_render@entry=0x55aa50112cb0, job_info=job_info@entry=0x55aa4fa92440, pixbuf_cache=pixbuf_cache@entry=0x55aa50066f30) at ev-pixbuf-cache.c:278
        __func__ = "copy_job_to_job_info"
#3  0x00007f4874f96211 in job_finished_cb (job=<optimized out>, pixbuf_cache=0x55aa50066f30) at ev-pixbuf-cache.c:330
        job_info = 0x55aa4fa92440
        job_render = 0x55aa50112cb0
#4  0x00007f487421d802 in g_closure_invoke () from /tmp/apport_sandbox_6hg0kzgh/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0.6400.3
No symbol table info available.
#5  0x00007f4874231814 in signal_emit_unlocked_R () from /tmp/apport_sandbox_6hg0kzgh/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0.6400.3
No symbol table info available.
#6  0x00007f487423cb9e in g_signal_emit_valist () from /tmp/apport_sandbox_6hg0kzgh/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0.6400.3
No symbol table info available.
#7  0x00007f487423d0d3 in g_signal_emit () from /tmp/apport_sandbox_6hg0kzgh/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0.6400.3
No symbol table info available.
#8  0x00007f4874f8d3eb in emit_finished (job=<optimized out>) at ev-jobs.c:157
No locals.
#9  emit_finished (job=<optimized out>) at ev-jobs.c:147
No locals.
#10 0x00007f487412fe8e in g_main_context_dispatch () from /tmp/apport_sandbox_6hg0kzgh/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0.6400.3
No symbol table info available.
#11 0x00007f4874130240 in g_main_context_iterate.isra () from /tmp/apport_sandbox_6hg0kzgh/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0.6400.3
No symbol table info available.
#12 0x00007f48741302e3 in g_main_context_iteration () from /tmp/apport_sandbox_6hg0kzgh/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0.6400.3
No symbol table info available.
#13 0x00007f487434bfd5 in g_application_run (application=0x55aa4fb0a390, argc=<optimized out>, argv=<optimized out>) at ../../../gio/gapplication.c:2559
        arguments = 0x55aa4fc54db0
        status = 0
        context = 0x55aa4fa7b470
        acquired_context = 1
        __func__ = "g_application_run"
#14 0x000055aa4dac47f6 in main ()
No symbol table info available.