.
Thread 2 (Thread 0x7f890fd84700 (LWP 824)):
#0  0x00007f89136830cd in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f8913bbfebc in g_main_context_poll (priority=2147483647, n_fds=1, fds=0x7f89080010e0, timeout=-1, context=0xc0c0e0) at /build/buildd/glib2.0-2.43.91/./glib/gmain.c:4103
        poll_func = 0x7f8913bcf3e0 <g_poll>
#2  g_main_context_iterate (context=0xc0c0e0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.43.91/./glib/gmain.c:3803
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = 2
        fds = 0x7f89080010e0
#3  0x00007f8913bc0242 in g_main_loop_run (loop=0xbd2220) at /build/buildd/glib2.0-2.43.91/./glib/gmain.c:4002
        __FUNCTION__ = "g_main_loop_run"
#4  0x00007f89141b6426 in gdbus_shared_thread_func (user_data=0xc0c0b0) at /build/buildd/glib2.0-2.43.91/./gio/gdbusprivate.c:274
        data = 0xc0c0b0
#5  0x00007f8913be6955 in g_thread_proxy (data=0xc0dc50) at /build/buildd/glib2.0-2.43.91/./glib/gthread.c:764
        thread = 0xc0dc50
#6  0x00007f89139600a5 in start_thread (arg=0x7f890fd84700) at pthread_create.c:309
        __res = <optimized out>
        pd = 0x7f890fd84700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140226653079296, -759961928043537293, 0, 0, 140226653080000, 140226653079296, 749300781922180211, 749345259741174899}, 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"
#7  0x00007f891368d57d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.
.
Thread 1 (Thread 0x7f8914ee5840 (LWP 793)):
#0  0x00007f89135c9e37 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
        resultvar = 0
        pid = 793
        selftid = 793
#1  0x00007f89135cb528 in __GI_abort () at abort.c:89
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x7f8913b82b50, sa_sigaction = 0x7f8913b82b50}, sa_mask = {__val = {140737097648096, 140226718044920, 140737097648368, 140226718084808, 34228954, 140737097648352, 140226727335890, 0, 0, 140226738459904, 140226727335907, 140226718089008, 140226727334920, 21474836480, 4294968958, 1}}, sa_flags = -390706776, sa_restorer = 0x7fffe8b64980}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x00007f891360b7a4 in __libc_message (do_abort=do_abort@entry=1, fmt=fmt@entry=0x7f8913714780 "*** Error in `%s': %s: 0x%s ***\n") at ../sysdeps/posix/libc_fatal.c:175
        ap = {{gp_offset = 40, fp_offset = 4294967274, overflow_arg_area = 0x7fffe8b64ac0, reg_save_area = 0x7fffe8b64a50}}
        fd = 2
        on_2 = <optimized out>
        list = <optimized out>
        nlist = <optimized out>
        cp = <optimized out>
        written = <optimized out>
#3  0x00007f8913612db6 in malloc_printerr (ptr=<optimized out>, str=0x7f8913710859 "free(): invalid pointer", action=1) at malloc.c:4996
        buf = "0000000000bf4580"
        cp = <optimized out>
#4  _int_free (av=<optimized out>, p=<optimized out>, have_lock=0) at malloc.c:3840
        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  0x00007f8914456460 in start_timeout_callback (t=0xbf7db0) at glib-watch.c:252
No locals.
#6  dispatch_func (source=0xbf42e0, callback=<optimized out>, userdata=<optimized out>) at glib-watch.c:331
        now = {tv_sec = 1425933225, tv_usec = 796364}
        tvnow = {tv_sec = 1425933225, tv_usec = 796364}
        g = 0xbf42e0
        w = <optimized out>
        next_timeout = 0xbf7db0
        __func__ = "dispatch_func"
        __PRETTY_FUNCTION__ = "dispatch_func"
#7  0x00007f8913bbfc3d in g_main_dispatch (context=0xbebc70) at /build/buildd/glib2.0-2.43.91/./glib/gmain.c:3122
        dispatch = 0x7f8914456380 <dispatch_func>
        prev_source = 0x0
        was_in_call = 0
        user_data = 0x0
        callback = 0x0
        cb_funcs = <optimized out>
        cb_data = <optimized out>
        need_destroy = <optimized out>
        source = 0xbf42e0
        current = 0xbe2e20
        i = 0
#8  g_main_context_dispatch (context=context@entry=0xbebc70) at /build/buildd/glib2.0-2.43.91/./glib/gmain.c:3737
No locals.
#9  0x00007f8913bbff20 in g_main_context_iterate (context=0xbebc70, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.43.91/./glib/gmain.c:3808
        max_priority = 0
        timeout = 0
        some_ready = 1
        nfds = <optimized out>
        allocated_nfds = 3
        fds = 0xbd3960
#10 0x00007f8913bc0242 in g_main_loop_run (loop=0xbd44e0) at /build/buildd/glib2.0-2.43.91/./glib/gmain.c:4002
        __FUNCTION__ = "g_main_loop_run"
#11 0x000000000040427b in main (argc=1, argv=0x0) at utils/cups-browsed.c:3249
        http = 0x0
        i = 12646448
        p = 0xc0f830
        proxy = 0xbff320
        action = {__sigaction_handler = {sa_handler = 0x406ef0 <sigusr2_handler>, sa_sigaction = 0x406ef0 <sigusr2_handler>}, sa_mask = {__val = {2048, 0 <repeats 15 times>}}, sa_flags = 0, sa_restorer = 0x0}