.
Thread 6 (Thread 0x7f3a83ea1ac0 (LWP 832511)):
#0  0x00007f3a845486e0 in  () at /lib/x86_64-linux-gnu/libGLX.so.0
#1  0x00007f3a8e6d724e in _dl_fini () at ./elf/dl-fini.c:142
        array = 0x7f3a84567910
        i = <optimized out>
        l = 0x7f3a84640030
        maps = 0x7ffce13d0fe0
        i = 30
        l = <optimized out>
        nmaps = <optimized out>
        nloaded = <optimized out>
        ns = 0
        do_audit = <optimized out>
        __PRETTY_FUNCTION__ = "_dl_fini"
#2  0x00007f3a8d3ef495 in __run_exit_handlers (status=0, listp=0x7f3a8d5be838 <__exit_funcs>, run_list_atexit=run_list_atexit@entry=true, run_dtors=run_dtors@entry=true) at ./stdlib/exit.c:113
        atfct = <optimized out>
        onfct = <optimized out>
        cxafct = <optimized out>
        arg = 0x0
        f = <optimized out>
        cur = 0x7f3a8d5c0be0 <initial>
#3  0x00007f3a8d3ef610 in __GI_exit (status=<optimized out>) at ./stdlib/exit.c:143
#4  0x00007f3a8d3d3d97 in __libc_start_call_main (main=main@entry=0x55634e3b0f80, argc=argc@entry=2, argv=argv@entry=0x7ffce13d1778) at ../sysdeps/nptl/libc_start_call_main.h:74
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -9218161923180771551, 140724087363448, 93885002616704, 93885002917072, 139889474576448, 9217532428361615137, 9108416895262607137}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#5  0x00007f3a8d3d3e40 in __libc_start_main_impl (main=0x55634e3b0f80, argc=2, argv=0x7ffce13d1778, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffce13d1768) at ../csu/libc-start.c:392
#6  0x000055634e3b1c35 in  ()
.
Thread 5 (Thread 0x7f3a8255f640 (LWP 832513)):
#0  0x00007f3a8d4c2d7f in __GI___poll (fds=0x55634f438750, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        sc_ret = -516
        sc_cancel_oldtype = 0
#1  0x00007f3a8d75f436 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3a8d70a283 in g_main_loop_run () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3a8d9646ba in  () at /lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f3a8d739941 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f3a8d43eb43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140724087357856, -9218161923181033695, 139889271502400, 11, 139889454868560, 140724087358208, 9108396354157365025, 9108415990768682785}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#6  0x00007f3a8d4d0b80 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81
.
Thread 4 (Thread 0x7f3a72ffd640 (LWP 832536)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f3a8d7595fc in g_cond_wait_until () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3a8d6da441 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3a8d73c6fa in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3a8d739941 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f3a8d43eb43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140724087356512, -9218161923181033695, 139889014199872, 11, 139889454868560, 140724087356864, 9108081016584750881, 9108415990768682785}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#6  0x00007f3a8d4d0b80 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81
.
Thread 3 (Thread 0x7f3a81398640 (LWP 832521)):
#0  0x00007f3a8d4c2d7f in __GI___poll (fds=0x55634f93fe60, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        sc_ret = -516
        sc_cancel_oldtype = 0
#1  0x00007f3a8d75f436 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3a8d7083b3 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3a806b733d in  () at /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
#4  0x00007f3a8d739941 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f3a8d43eb43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140724087358224, -9218161923181033695, 139889252861504, 17, 139889454868560, 140724087358576, 9108390474884007713, 9108415990768682785}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#6  0x00007f3a8d4d0b80 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81
.
Thread 2 (Thread 0x7f3a82d60640 (LWP 832512)):
#0  0x00007f3a8d4c2d7f in __GI___poll (fds=0x55634f424250, nfds=2, timeout=100) at ../sysdeps/unix/sysv/linux/poll.c:29
        sc_ret = -516
        sc_cancel_oldtype = 0
#1  0x00007f3a8d75f436 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3a8d7083b3 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3a8d708401 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3a8d739941 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f3a8d43eb43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140724087357568, -9218161923181033695, 139889279895104, 0, 139889454868560, 140724087357920, 9108397454205863713, 9108415990768682785}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#6  0x00007f3a8d4d0b80 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81
.
Thread 1 (Thread 0x7f3a727fc640 (LWP 832526)):
#0  0x00007f3a8029c9e7 in  () at /lib/x86_64-linux-gnu/libpoppler.so.118
#1  0x00007f3a80262f99 in Gfx8BitFont::Gfx8BitFont(XRef*, char const*, Ref, GooString*, GfxFontType, Ref, Dict*) () at /lib/x86_64-linux-gnu/libpoppler.so.118
#2  0x00007f3a8026638f in GfxFont::makeFont(XRef*, char const*, Ref, Dict*) () at /lib/x86_64-linux-gnu/libpoppler.so.118
#3  0x00007f3a8026cdb3 in  () at /lib/x86_64-linux-gnu/libpoppler.so.118
#4  0x00007f3a8024790b in GfxResources::GfxResources(XRef*, Dict*, GfxResources*) () at /lib/x86_64-linux-gnu/libpoppler.so.118
#5  0x00007f3a80248680 in Gfx::Gfx(PDFDoc*, OutputDev*, int, Dict*, double, double, PDFRectangle const*, PDFRectangle const*, int, bool (*)(void*), void*, XRef*) () at /lib/x86_64-linux-gnu/libpoppler.so.118
#6  0x00007f3a802abab0 in Page::createGfx(OutputDev*, double, double, int, bool, bool, int, int, int, int, bool, bool (*)(void*), void*, XRef*) () at /lib/x86_64-linux-gnu/libpoppler.so.118
#7  0x00007f3a80495669 in  () at /lib/x86_64-linux-gnu/libpoppler-glib.so.8
#8  0x00007f3a80495d6c in poppler_page_get_selection_region () at /lib/x86_64-linux-gnu/libpoppler-glib.so.8
#9  0x00007f3a8050c01a in  () at /usr/lib/x86_64-linux-gnu/atril/3/backends/libpdfdocument.so
#10 0x00007f3a8e617486 in  () at /lib/x86_64-linux-gnu/libatrilview.so.3
#11 0x00007f3a8e616c02 in  () at /lib/x86_64-linux-gnu/libatrilview.so.3
#12 0x00007f3a8d739941 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#13 0x00007f3a8d43eb43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140724087361024, -9218161923181033695, 139889005807168, 0, 139889454868560, 140724087361376, 9108079916536252193, 9108415990768682785}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#14 0x00007f3a8d4d0b80 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81