#0  0x000000341e6326b5 in raise (sig=<value optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
        resultvar = 0
        pid = <value optimized out>
        selftid = <value optimized out>
#1  0x000000341e633e95 in abort () at abort.c:92
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x341e41f440, sa_sigaction = 0x341e41f440}, sa_mask = {__val = {140736471352000, 140736471352024, 8334561280, 3864868537, 4212225, 223847934728, 
              139822404943872, 224084937056, 4294967295, 30991968, 1, 223866817832, 0, 30997888, 0, 0}}, sa_flags = 505469824, sa_restorer = 0x3400000001}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x000000341f601d8c in talloc_abort (reason=0x341f607980 "Bad talloc magic value - double free") at talloc.c:199
No locals.
#3  0x000000341f601c69 in talloc_abort_double_free () at talloc.c:218
No locals.
#4  talloc_chunk_from_ptr () at talloc.c:239
        pp = 0x1d8fd80 ""
        tc = 0x1d8fd30
#5  _talloc_free () at talloc.c:1118
        tc = <value optimized out>
#6  0x000000000040e015 in be_svc_data_destroy (memptr=0x1d91f40) at ../../server/providers/data_provider_fo.c:94
        svc = 0x1d91f40
#7  0x000000341f602d3e in _talloc_free_internal (ptr=0x1d91f40, location=0x341f6078e7 "talloc.c:1861") at talloc.c:600
        d = <value optimized out>
        tc = 0x1d91ef0
#8  0x000000341f602bcb in _talloc_free_internal (ptr=0x1d79b50, location=0x341f6078e7 "talloc.c:1861") at talloc.c:631
        child = 0x1d91f40
        new_parent = 0x0
        tc = 0x1d79b00
#9  0x000000341f602bcb in _talloc_free_internal (ptr=0x1d79930, location=0x341f6078e7 "talloc.c:1861") at talloc.c:631
        child = 0x1d79b50
        new_parent = 0x0
        tc = 0x1d798e0
#10 0x000000341f602bcb in _talloc_free_internal (ptr=0x1d775b0, location=0x341f6078e7 "talloc.c:1861") at talloc.c:631
        child = 0x1d79930
        new_parent = 0x0
        tc = 0x1d77560
#11 0x000000341f602bcb in _talloc_free_internal (ptr=0x1d77480, location=0x341f6078e7 "talloc.c:1861") at talloc.c:631
        child = 0x1d775b0
        new_parent = 0x0
        tc = 0x1d77430
#12 0x000000341f601a6b in _talloc_free_internal (location=<value optimized out>, ptr=<value optimized out>) at talloc.c:631
        child = 0x1d77480
        new_parent = 0x0
        tc = 0x1d77250
#13 _talloc_free (location=<value optimized out>, ptr=<value optimized out>) at talloc.c:1133
        tc = <value optimized out>
#14 0x000000341e635b72 in __run_exit_handlers (status=<value optimized out>, listp=<value optimized out>, run_list_atexit=<value optimized out>) at exit.c:78
        atfct = <value optimized out>
        onfct = <value optimized out>
        cxafct = <value optimized out>
#15 exit (status=<value optimized out>, listp=<value optimized out>, run_list_atexit=<value optimized out>) at exit.c:100
No locals.
#16 0x0000000000438a3e in sig_term (sig=15) at ../../server/util/server.c:194
        done_sigterm = 0
        __FUNCTION__ = "sig_term"
#17 <signal handler called>
No symbol table info available.
#18 0x000000341e6de513 in __epoll_wait_nocancel () at ../sysdeps/unix/syscall-template.S:82
No locals.
#19 0x00000034216054d6 in epoll_event_loop (tvalp=<value optimized out>, std_ev=0x1d77540) at tevent_standard.c:264
        ret = <value optimized out>
        i = <value optimized out>
        events = {{events = 17, data = {ptr = 0x1d9d440, fd = 31052864, u32 = 31052864, u64 = 31052864}}}
        timeout = <value optimized out>
#20 std_event_loop_once (tvalp=<value optimized out>, std_ev=0x1d77540) at tevent_standard.c:544
        tval = {tv_sec = 240, tv_usec = 831694}
#21 0x0000003421602780 in _tevent_loop_once (ev=0x1d77480, location=0x4481b8 "../../server/util/server.c:431") at tevent.c:490
        ret = <value optimized out>
        nesting_stack_ptr = 0x0
#22 0x00000034216027fb in tevent_common_loop_wait (ev=0x1d77480, location=0x4481b8 "../../server/util/server.c:431") at tevent.c:591
        ret = <value optimized out>
#23 0x00000000004398d8 in server_loop (main_ctx=0x1d775b0) at ../../server/util/server.c:431
No locals.
#24 0x000000000040debd in main (argc=7, argv=0x7fffc361ce08) at ../../server/providers/data_provider_be.c:1187
        opt = -1
        pc = 0x1d76030
        be_domain = 0x1d764f0 "sgallagh"
        srv_name = 0x1d760f0 "sssd[be[sgallagh]]"
        conf_entry = 0x1d76160 "config/domain/sgallagh"
        main_ctx = 0x1d775b0
        ret = 0
        long_options = {{longName = 0x0, shortName = 0 '\000', argInfo = 4, arg = 0x64dc20, val = 0, descrip = 0x43d747 "Help options:", argDescrip = 0x0}, {longName = 0x43d755 "debug-level", 
            shortName = 100 'd', argInfo = 2, arg = 0x64dd00, val = 0, descrip = 0x43d761 "Debug level", argDescrip = 0x0}, {longName = 0x43d76d "debug-to-files", shortName = 102 'f', argInfo = 0, 
            arg = 0x64dd08, val = 0, descrip = 0x43d780 "Send the debug output to files instead of stderr", argDescrip = 0x0}, {longName = 0x43d7b1 "debug-timestamps", shortName = 0 '\000', argInfo = 0, 
            arg = 0x64dd04, val = 0, descrip = 0x43d7c2 "Add debug timestamps", argDescrip = 0x0}, {longName = 0x43d7d7 "domain", shortName = 0 '\000', argInfo = 1, arg = 0x7fffc361cce0, val = 0, 
            descrip = 0x43d7e0 "Domain of the information provider (mandatory)", argDescrip = 0x0}, {longName = 0x0, shortName = 0 '\000', argInfo = 0, arg = 0x0, val = 0, descrip = 0x0, argDescrip = 0x0}}
        __FUNCTION__ = "main"



(gdb) up
#6  0x000000000040e015 in be_svc_data_destroy (memptr=0x1d91f40) at ../../server/providers/data_provider_fo.c:94
94          talloc_free(svc->callbacks);
(gdb) print svc
$1 = (struct be_svc_data *) 0x1d91f40
(gdb) print svc->callbacks
$2 = (struct be_svc_callback *) 0x1d8fd80
(gdb) print *svc->callbacks
$3 = {prev = 0x0, next = 0x0, svc = 0x0, fn = 0x7f2aea2e64b5 <ipa_resolve_callback>, private_data = 0x1d930e0}