.
Thread 5 (Thread 0x7fa1d6acd700 (LWP 4475)):
#0  0x00007fa21584d949 in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fa215dbeeea in g_cond_wait_until () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa215d4d109 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa215da16c6 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fa215da0cf5 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fa215b1774a in start_thread (arg=0x7fa1d6acd700) at pthread_create.c:456
        __res = <optimized out>
        pd = 0x7fa1d6acd700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140333068113664, -5457739598173640137, 140333815359406, 140333815359407, 140333068114368, 140333068113664, 5404772113028934199, 5406040986882992695}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007fa215853caf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97
.
Thread 4 (Thread 0x7fa20336f700 (LWP 4452)):
#0  0x00007fa215847cdd in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fa215d78df6 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa215d79182 in g_main_loop_run () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa21610f366 in  () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007fa215da0cf5 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fa215b1774a in start_thread (arg=0x7fa20336f700) at pthread_create.c:456
        __res = <optimized out>
        pd = 0x7fa20336f700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140333815363328, -5457739598173640137, 140721065243646, 140721065243647, 140333815364032, 140333815363328, 5406061924993919543, 5406040986882992695}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007fa215853caf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97
.
Thread 3 (Thread 0x7fa1d6089700 (LWP 4463)):
#0  0x00007fa215847cdd in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fa215d78df6 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa215d78f0c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa1d609146d in  () at /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
#4  0x00007fa215da0cf5 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fa215b1774a in start_thread (arg=0x7fa1d6089700) at pthread_create.c:456
        __res = <optimized out>
        pd = 0x7fa1d6089700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140333057349376, -5457739598173640137, 140721065228302, 140721065228303, 140333057350080, 140333057349376, 5404771251887991351, 5406040986882992695}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007fa215853caf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97
.
Thread 2 (Thread 0x7fa203b70700 (LWP 4451)):
#0  0x00007fa215847cdd in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fa215d78df6 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa215d78f0c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa215d78f51 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fa215da0cf5 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fa215b1774a in start_thread (arg=0x7fa203b70700) at pthread_create.c:456
        __res = <optimized out>
        pd = 0x7fa203b70700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140333823756032, -5457739598173640137, 140721065243230, 140721065243231, 140333823756736, 140333823756032, 5406063023968676407, 5406040986882992695}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007fa215853caf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97
.
Thread 1 (Thread 0x7fa2174c5ac0 (LWP 4450)):
#0  0x00007fa2157807af in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
        set = {__val = {0, 8104277497642758192, 3472328296227680288, 2319406834570502192, 2314885530818453552, 2314885530818453536, 8320808738715869216, 3473131134000062819, 2338262622574489648, 3472328296227680304, 4116348540667572256, 2314885531172288057, 2314885530818453536, 2314885530818453536, 7234590133808209952, 7954876936909715514}}
        pid = <optimized out>
        tid = <optimized out>
#1  0x00007fa2157823aa in __GI_abort () at abort.c:89
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x6168732f7273752f, sa_sigaction = 0x6168732f7273752f}, sa_mask = {__val = {7809632559044715890, 7021225542849146213, 4849303049961696099, 4992030538098625887, 3328216661234233171, 3545002948331990893, 3256155514989589815, 7148680667958699575, 3276212736508309552, 3472328296227676272, 3472339291342909488, 3630295161216446496, 3472328297083647793, 3834587700181481261, 3274715270390755683, 140721065246624}}, sa_flags = 112, sa_restorer = 0x7ffc2d1b3fa0}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x00007fa2157c40c0 in __libc_message (do_abort=do_abort@entry=2, fmt=fmt@entry=0x7fa2158d9f68 "*** Error in `%s': %s: 0x%s ***\n") at ../sysdeps/posix/libc_fatal.c:175
        ap = {{gp_offset = 40, fp_offset = 27, overflow_arg_area = 0x7ffc2d1b3fb0, reg_save_area = 0x7ffc2d1b3f40}}
        fd = 2
        on_2 = <optimized out>
        list = <optimized out>
        nlist = <optimized out>
        cp = <optimized out>
        written = <optimized out>
#3  0x00007fa2157cdc6a in malloc_printerr (ar_ptr=<optimized out>, ptr=<optimized out>, str=0x7fa2158da098 "double free or corruption (!prev)", action=3) at malloc.c:5049
        buf = "0000001b2836c900"
        cp = <optimized out>
        ar_ptr = <optimized out>
        str = 0x7fa2158da098 "double free or corruption (!prev)"
        action = 3
        size = <optimized out>
        fb = <optimized out>
        nextchunk = <optimized out>
        nextsize = <optimized out>
        nextinuse = <optimized out>
        prevsize = <optimized out>
        bck = <optimized out>
        fwd = <optimized out>
        errstr = <optimized out>
        locked = <optimized out>
#4  0x00007fa2157cdc6a in _int_free (av=<optimized out>, p=<optimized out>, have_lock=<optimized out>) at malloc.c:3905
        size = <optimized out>
        fb = <optimized out>
        nextchunk = <optimized out>
        nextsize = <optimized out>
        nextinuse = <optimized out>
        prevsize = <optimized out>
        bck = <optimized out>
        fwd = <optimized out>
        errstr = <optimized out>
        locked = <optimized out>
#5  0x00007fa2157d1d5c in __GI___libc_free (mem=<optimized out>) at malloc.c:2985
        ar_ptr = <optimized out>
        p = <optimized out>
        hook = <optimized out>
#6  0x00007fa215d6746c in g_hash_table_unref () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007fa1f9b950c5 in  () at /usr/lib/x86_64-linux-gnu/libgtksourceview-3.0.so.1
#8  0x00007fa1f9b95234 in  () at /usr/lib/x86_64-linux-gnu/libgtksourceview-3.0.so.1
#9  0x00007fa214ffff7a in g_object_unref () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#10 0x00007fa2173ac2ca in _dl_fini () at dl-fini.c:235
        array = 0x7fa1f9de4d80
        i = 1
        l = 0x1b28429ad0
        maps = 0x7ffc2d1b4120
        i = 64
        l = <optimized out>
        nmaps = 165
        nloaded = <optimized out>
        ns = 0
        do_audit = <optimized out>
        __PRETTY_FUNCTION__ = "_dl_fini"
#11 0x00007fa2157852a0 in __run_exit_handlers (status=0, listp=0x7fa215b0a5d8 <__exit_funcs>, run_list_atexit=run_list_atexit@entry=true, run_dtors=run_dtors@entry=true) at exit.c:83
        atfct = <optimized out>
        onfct = <optimized out>
        cxafct = <optimized out>
        f = <optimized out>
#12 0x00007fa2157852fa in __GI_exit (status=<optimized out>) at exit.c:105
#13 0x00007fa21576b428 in __libc_start_main (main=0x1b26027000, argc=1, argv=0x7ffc2d1b4818, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffc2d1b4808) at ../csu/libc-start.c:325
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -5443591064912467401, 116601811536, 140721065248784, 0, 0, 5456793706504317495, 5406039382605228599}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x7ffc2d1b4828, 0x7fa2175c2170}, data = {prev = 0x0, cleanup = 0x0, canceltype = 756762664}}}
        not_first_call = <optimized out>
#14 0x0000001b2602727a in  ()