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[Robert Ancell <robert.ancell@xxxxxxxxxxxxx>]

** Also affects: realmd (Ubuntu Trusty)
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1325463

Title:
  segfault while realmd-join

Status in “realmd” package in Ubuntu:
  Confirmed
Status in “realmd” source package in Trusty:
  New

Bug description:
  Joining a AD-domain is extremely error-prone. You get segfaults every
  now and then. Random behaviour.

  This problems is identified and corrected by upstream developer Stef
  Walter, and fixed in subsequent version realmd 0.15.1.

  This is a stacktrace:

  (gdb) backtrace full
  #0  strlen () at ../sysdeps/x86_64/strlen.S:106
  No locals.
  #1  0x0000000000425896 in safe_asprintf (strp=strp@entry=0x7fffffffd2d0, format=format@entry=0x0) at safe-printf.c:265
          cx = {data = 0x661000 "\240[f", length = 140737323792224, alloc = 8}
          args = 0x674820
          num_args = 3
          va = {{gp_offset = 48, fp_offset = 48, overflow_arg_area = 0x7fffffffd2a0, reg_save_area = 0x7fffffffd1b0}}
          ret = <optimized out>
          i = <optimized out>
  #2  0x0000000000421c8e in update_login_formats (self=0x7fffe8004e50) at realm-sssd.c:362
          qualify = <optimized out>
          kerberos = 0x7fffe8004e50
          login_formats = {0x0, 0x0}
          format = 0x0
          domain_name = 0x676060 "openforce.org"
  #3  realm_sssd_update_properties (self=0x7fffe8004e50) at realm-sssd.c:464
          obj = 0x7fffe8004e50
          my_name = <optimized out>
          name = 0x676020 "`Ug"
          section = 0x0
          domains = 0x676060
          i = <optimized out>
  #4  0x0000000000421dd8 in realm_sssd_notify (obj=0x7fffe8004e50, spec=0x7fffe8004d80) at realm-sssd.c:505
  No locals.
  #5  0x00007ffff793b3b8 in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  No symbol table info available.
  #6  0x00007ffff794c557 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  No symbol table info available.
  #7  0x00007ffff7954a29 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  No symbol table info available.
  #8  0x00007ffff7954ce2 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  No symbol table info available.
  #9  0x00007ffff793f725 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  No symbol table info available.
  #10 0x00007ffff793eff2 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  No symbol table info available.
  #11 0x00007ffff79404d0 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  No symbol table info available.
  #12 0x00007ffff79424c4 in g_object_new_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  No symbol table info available.
  #13 0x00007ffff79428a4 in g_object_new () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  No symbol table info available.
  #14 0x000000000041c71c in realm_provider_lookup_or_register_realm (self=0x65a5f0, realm_type=realm_type@entry=6749136,
      realm_name=realm_name@entry=0x66f9f0 "openforce.org", disco=disco@entry=0x0) at realm-provider.c:380
          realm = <optimized out>
          unique_number = 1
          provider_path = <optimized out>
          escaped = 0x66fe40 "\001"
          path = 0x66fed0 "/org/freedesktop/realmd/Sssd/openforce_org_1"
  #15 0x00000000004236cb in realm_sssd_provider_constructed (obj=<optimized out>) at realm-sssd-provider.c:85
          self = 0x65a5f0
          realm_type = 6749136
          domains = 0x66f940
          type = 0x66f9d0 "ad"
          name = 0x66f9f0 "openforce.org"
  ---Type <return> to continue, or q <return> to quit---
          i = <optimized out>
  #16 0x00007ffff794038a in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  No symbol table info available.
  #17 0x00007ffff79424c4 in g_object_new_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  No symbol table info available.
  #18 0x00007ffff79428a4 in g_object_new () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  No symbol table info available.
  #19 0x0000000000423753 in realm_sssd_provider_new () at realm-sssd-provider.c:245
  No locals.
  #20 0x000000000040e9d5 in initialize_service (connection=0x65e070) at realm-daemon.c:182
          all_provider = 0x65a310
          provider = <optimized out>
          __FUNCTION__ = "initialize_service"
  #21 0x000000000040eb2e in on_bus_get_connection (source=<optimized out>, result=<optimized out>, unused=<optimized out>) at realm-daemon.c:243
          flags = G_BUS_NAME_OWNER_FLAGS_ALLOW_REPLACEMENT
          error = 0x0
          connection = <optimized out>
          owner_id = <optimized out>
  #22 0x00007ffff7105ef7 in g_simple_async_result_complete () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
  No symbol table info available.
  #23 0x00007ffff7105f59 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
  No symbol table info available.
  #24 0x00007ffff766bce5 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  No symbol table info available.
  #25 0x00007ffff766c048 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  No symbol table info available.
  #26 0x00007ffff766c30a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  No symbol table info available.
  #27 0x000000000040b70c in main (argc=1, argv=0x7fffffffe568) at realm-daemon.c:547
          context = <optimized out>
          error = 0x0
          env = <optimized out>
          path = <optimized out>
          option_entries = {{long_name = 0x430c79 "debug", short_name = 100 'd', flags = 0, arg = G_OPTION_ARG_NONE,
              arg_data = 0x646214 <service_debug>, description = 0x430e60 "Turn on debug output, prevent timeout exit", arg_description = 0x0}, {
              long_name = 0x4341ce "install", short_name = 0 '\000', flags = 0, arg = G_OPTION_ARG_STRING, arg_data = 0x646208 <service_install>,
              description = 0x430e90 "Turn on installer mode, install to this prefix", arg_description = 0x0}, {long_name = 0x430c7f "dbus-peer",
              short_name = 0 '\000', flags = 0, arg = G_OPTION_ARG_INT, arg_data = 0x646050 <service_dbus_fd>,
              description = 0x430ec0 "Use a peer to peer dbus connection on this fd", arg_description = 0x0}, {long_name = 0x430c89 "replace",
              short_name = 0 '\000', flags = 0, arg = G_OPTION_ARG_NONE, arg_data = 0x646210 <service_replace>,
              description = 0x430ef0 "Replace a running realmd searvice", arg_description = 0x0}, {long_name = 0x0, short_name = 0 '\000',
              flags = 0, arg = G_OPTION_ARG_NONE, arg_data = 0x0, description = 0x0, arg_description = 0x0}}
  (gdb)

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