#0  0xb7f10d41 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb6baf432 in __libc_signal_restore_set (set=0xbfcd574c) at ../sysdeps/unix/sysv/linux/nptl-signals.h:80
        resultvar = <optimized out>
#2  raise (sig=6) at ../sysdeps/unix/sysv/linux/raise.c:48
        set = {__val = {0, 0, 0, 0, 256, 3065617632, 40, 39918664, 0, 0, 49, 0, 256, 257, 258, 259, 260, 3065688443, 3081042968, 3081044540, 3080375062, 2, 514, 515, 3080375020, 3081042968, 42496368, 3081042968, 3080204493, 3081044540, 522, 523}}
        pid = <optimized out>
        tid = <optimized out>
        ret = <optimized out>
#3  0x004470b4 in ?? ()
No symbol table info available.
#4  <signal handler called>
No symbol table info available.
#5  0xb7f10d41 in __kernel_vsyscall ()
No symbol table info available.
#6  0xb69ee832 in __libc_signal_restore_set (set=0xbfcd5e9c) at ../sysdeps/unix/sysv/linux/nptl-signals.h:80
        resultvar = <optimized out>
#7  __GI_raise (sig=6) at ../sysdeps/unix/sysv/linux/raise.c:48
        set = {__val = {0, 0, 1482184750, 5789784, 1622311680, 300, 273, 3080112155, 3065688587, 16, 3081045948, 16, 3080113727, 16, 3217907564, 4, 3081042968, 3081045948, 38350096, 3217907564, 3080375146, 14, 0, 3080113609, 3080375100, 3081042968, 16, 3081045948, 3080106503, 3217908120, 0, 3217907664}}
        pid = <optimized out>
        tid = <optimized out>
        ret = 0
#8  0xb69efcc1 in __GI_abort () at abort.c:79
        save_stage = 1
        act = {__sigaction_handler = {sa_handler = 0xb79abf17 <g_vasprintf+7>, sa_sigaction = 0xb79abf17 <g_vasprintf+7>}, sa_mask = {__val = {3081042968, 3060298620, 3080210389, 3217907832, 3060298620, 3217907952, 32868, 36412880, 0, 2965506224, 1622311680, 3060298620, 3080210342, 3081042968, 3081042968, 3217908360, 1024, 66912144, 3080108517, 3060244558, 16, 3060310120, 0, 3, 4096, 3064681860, 2, 3065614336, 4096, 3217908120, 3064138617, 0}}, sa_flags = 4096, sa_restorer = 0x3}
        sigs = {__val = {32, 0 <repeats 31 times>}}
#9  0xb6a30bd3 in __libc_message (action=do_abort, fmt=<optimized out>) at ../sysdeps/posix/libc_fatal.c:181
        ap = <optimized out>
        fd = 2
        list = <optimized out>
        nlist = <optimized out>
        cp = <optimized out>
        written = <optimized out>
#10 0xb6a377ed in malloc_printerr (str=str@entry=0xb6b437e8 "double free or corruption (fasttop)") at malloc.c:5350
No locals.
#11 0xb6a3912d in _int_free (av=<optimized out>, p=<optimized out>, have_lock=<optimized out>) at malloc.c:4230
        idx = 6
        old = <optimized out>
        old2 = <optimized out>
        size = <optimized out>
        fb = 0xb6b997c4 <main_arena+36>
        nextchunk = <optimized out>
        nextsize = <optimized out>
        nextinuse = <optimized out>
        prevsize = <optimized out>
        bck = <optimized out>
        fwd = <optimized out>
        __PRETTY_FUNCTION__ = "_int_free"
#12 0xb796a240 in g_free () from /usr/lib/i386-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#13 0xb794ec03 in g_error_free () from /usr/lib/i386-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#14 0xb666a098 in cogl_error_free () from /usr/lib/i386-linux-gnu/mutter/libmutter-cogl-3.so
No symbol table info available.
#15 0xb666e66c in cogl_texture_new_with_size () from /usr/lib/i386-linux-gnu/mutter/libmutter-cogl-3.so
No symbol table info available.
#16 0xb6e34638 in ?? () from /usr/lib/i386-linux-gnu/mutter/libmutter-clutter-3.so
No symbol table info available.
#17 0xb6e34b8b in ?? () from /usr/lib/i386-linux-gnu/mutter/libmutter-clutter-3.so
No symbol table info available.
#18 0xb6e1a85b in ?? () from /usr/lib/i386-linux-gnu/mutter/libmutter-clutter-3.so
No symbol table info available.
#19 0xb6e348f0 in ?? () from /usr/lib/i386-linux-gnu/mutter/libmutter-clutter-3.so
No symbol table info available.
#20 0xb6de7dcf in clutter_actor_continue_paint () from /usr/lib/i386-linux-gnu/mutter/libmutter-clutter-3.so
No symbol table info available.
#21 0xb6deeabd in clutter_actor_paint () from /usr/lib/i386-linux-gnu/mutter/libmutter-clutter-3.so
No symbol table info available.
#22 0xb7ccd300 in ?? () from /usr/lib/gnome-shell/libgnome-shell.so
No symbol table info available.
#23 0xb6de7f61 in clutter_actor_continue_paint () from /usr/lib/i386-linux-gnu/mutter/libmutter-clutter-3.so
No symbol table info available.
#24 0xb6deed47 in clutter_actor_paint () from /usr/lib/i386-linux-gnu/mutter/libmutter-clutter-3.so
No symbol table info available.
#25 0xb6e491a4 in ?? () from /usr/lib/i386-linux-gnu/mutter/libmutter-clutter-3.so
No symbol table info available.
#26 0xb6c109b6 in ?? () from /usr/lib/i386-linux-gnu/libmutter-3.so.0
No symbol table info available.
#27 0xb6de7f61 in clutter_actor_continue_paint () from /usr/lib/i386-linux-gnu/mutter/libmutter-clutter-3.so
No symbol table info available.
#28 0xb6deed47 in clutter_actor_paint () from /usr/lib/i386-linux-gnu/mutter/libmutter-clutter-3.so
No symbol table info available.
#29 0xb6e4d86c in ?? () from /usr/lib/i386-linux-gnu/mutter/libmutter-clutter-3.so
No symbol table info available.
#30 0xb6e4dafc in ?? () from /usr/lib/i386-linux-gnu/mutter/libmutter-clutter-3.so
No symbol table info available.
#31 0xb6dd546b in ?? () from /usr/lib/i386-linux-gnu/mutter/libmutter-clutter-3.so
No symbol table info available.
#32 0xb6dd56ba in ?? () from /usr/lib/i386-linux-gnu/mutter/libmutter-clutter-3.so
No symbol table info available.
#33 0xb6dd6859 in ?? () from /usr/lib/i386-linux-gnu/mutter/libmutter-clutter-3.so
No symbol table info available.
#34 0xb6e4a251 in ?? () from /usr/lib/i386-linux-gnu/mutter/libmutter-clutter-3.so
No symbol table info available.
#35 0xb6e33dcb in ?? () from /usr/lib/i386-linux-gnu/mutter/libmutter-clutter-3.so
No symbol table info available.
#36 0xb7964abd in g_main_context_dispatch () from /usr/lib/i386-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#37 0xb7964d79 in ?? () from /usr/lib/i386-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#38 0xb7965119 in g_main_loop_run () from /usr/lib/i386-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#39 0xb6c45f3f in meta_run () from /usr/lib/i386-linux-gnu/libmutter-3.so.0
No symbol table info available.
#40 0x0044684a in ?? ()
No symbol table info available.
#41 0xb69d9e81 in __libc_start_main (main=0x446490, argc=1, argv=0xbfcd6f04, init=0x4471b0, fini=0x447210, rtld_fini=0xb7f219b0 <_dl_fini>, stack_end=0xbfcd6efc) at ../csu/libc-start.c:310
        self = <optimized out>
        __self = <optimized out>
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -1229352960, 0, 0, -183340187, 1425151351}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x40, 0xb7f39024}, data = {prev = 0x0, cleanup = 0x0, canceltype = 64}}}
        not_first_call = <optimized out>
#42 0x00446995 in ?? ()
No symbol table info available.