.
Thread 1 (LWP 1212):
#0  0x00007f3f29778518 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:54
        resultvar = 0
        pid = 1212
        selftid = 1212
#1  0x00007f3f2977a0ea in __GI_abort () at abort.c:89
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x7772203030303161, sa_sigaction = 0x7772203030303161}, sa_mask = {__val = {3472328296226648109, 3475143045726351408, 3703708260188037168, 3472329607018066534, 7075830335496727856, 8223625903103631969, 7003150403822103927, 4192904167887482928, 2314885531170780720, 2314885530818453536, 2314885530818453536, 7219024050048213024, 3966102704244094565, 3558513729956361062, 7364342202848260144, 140723734988928}}, sa_flags = 87, sa_restorer = 0x7ffccc3c4880}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x00007f3f297ba8c4 in __libc_message (do_abort=do_abort@entry=2, fmt=fmt@entry=0x7f3f298d3fb8 "*** Error in `%s': %s: 0x%s ***\n") at ../sysdeps/posix/libc_fatal.c:175
        ap = <error reading variable ap (Attempt to dereference a generic pointer.)>
        fd = 2
        on_2 = <optimized out>
        list = <optimized out>
        nlist = <optimized out>
        cp = <optimized out>
        written = <optimized out>
#3  0x00007f3f297c5d9a in malloc_printerr (ar_ptr=0x3, ptr=<optimized out>, str=<optimized out>, action=3) at malloc.c:5007
        buf = "00007f3f26e8f4d0"
        cp = <optimized out>
        ar_ptr = 0x3
        ptr = <optimized out>
        str = 0x7f3f298d0e49 "realloc(): invalid old size"
        action = 3
#4  _int_realloc (av=av@entry=0x7f3f29b07b20 <main_arena>, oldp=oldp@entry=0x7f3f26e8f4c0, oldsize=oldsize@entry=10405117238783665640, nb=nb@entry=144) at malloc.c:4253
        newp = <optimized out>
        newsize = <optimized out>
        newmem = <optimized out>
        next = <optimized out>
        remainder = <optimized out>
        remainder_size = <optimized out>
        bck = <optimized out>
        fwd = <optimized out>
        copysize = <optimized out>
        ncopies = <optimized out>
        s = <optimized out>
        d = <optimized out>
        errstr = <optimized out>
        __func__ = "_int_realloc"
        nextsize = <optimized out>
#5  0x00007f3f297c6f59 in __GI___libc_realloc (oldmem=0x7f3f26e8f4d0, bytes=128) at malloc.c:3046
        ar_ptr = <optimized out>
        nb = 144
        newp = <optimized out>
        hook = <optimized out>
        oldp = 0x7f3f26e8f4c0
        oldsize = 10405117238783665640
#6  0x000055c1c1e5aafb in dixReallocPrivates ()
No symbol table info available.
#7  0x000055c1c1e5a92d in fixupOneScreen ()
No symbol table info available.
#8  0x000055c1c1e5ac7c in fixupScreens ()
No symbol table info available.
#9  0x000055c1c1e5aed3 in dixRegisterPrivateKey ()
No symbol table info available.
#10 0x000055c1c1f16efb in PictureInit ()
No symbol table info available.
#11 0x000055c1c1f14d09 in miPictureInit ()
No symbol table info available.
#12 0x00007f3f25e114e9 in fbPictureInit () from /tmp/apport_sandbox_zuT3MG/usr/lib/xorg/modules/libfb.so
No symbol table info available.
#13 0x00007f3f26e8a8ec in ?? ()
No symbol table info available.
#14 0x0000000000000a00 in ?? ()
No symbol table info available.
#15 0x0000007c00000020 in ?? ()
No symbol table info available.
#16 0x0000003000000018 in ?? ()
No symbol table info available.
#17 0x000058a029b07b20 in ?? ()
No symbol table info available.
#18 0x0000000000000000 in ?? ()
No symbol table info available.