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Message #00871
[Bug 1325463] Re: segfault while realmd-join
We should get Debian to update to 0.15.1 so utopic picks up this change.
** Changed in: realmd (Ubuntu)
Importance: Undecided => Medium
** Changed in: realmd (Ubuntu Trusty)
Importance: Undecided => Medium
** Changed in: realmd (Ubuntu Trusty)
Status: New => Triaged
** Changed in: realmd (Ubuntu)
Status: Confirmed => Triaged
** Description changed:
- Joining a AD-domain is extremely error-prone. You get segfaults every
- now and then. Random behaviour.
+ [Impact]
+ realmd crashes when using SSSD and full_name_format is not defined in sssd.conf. This is fixed in upstream 0.15.1 [1]
- This problems is identified and corrected by upstream developer Stef
- Walter, and fixed in subsequent version realmd 0.15.1.
+ [Test Case]
+ 1. Set up SSSD without defining full_name_format in sssd.conf
+ 2. Set up realmd
+ 3. Use realmd
+ Expected result:
+ realmd works
+ Observed result:
+ realmd crashes
- This is a stacktrace:
+ [Regression Potential]
+ Low since this patch just tries a number of fallback cases so the format string is always defined. The patch came from upstream.
- (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)
+ [1]
+ http://cgit.freedesktop.org/realmd/realmd/commit/?id=761fc873a5089ecd9e95fc77511fa07338d05b44
** Description changed:
[Impact]
realmd crashes when using SSSD and full_name_format is not defined in sssd.conf. This is fixed in upstream 0.15.1 [1]
[Test Case]
1. Set up SSSD without defining full_name_format in sssd.conf
2. Set up realmd
- 3. Use realmd
+ 3. Run realmd-join
Expected result:
realmd works
Observed result:
realmd crashes
[Regression Potential]
Low since this patch just tries a number of fallback cases so the format string is always defined. The patch came from upstream.
[1]
http://cgit.freedesktop.org/realmd/realmd/commit/?id=761fc873a5089ecd9e95fc77511fa07338d05b44
** Changed in: realmd (Ubuntu Trusty)
Status: Triaged => In Progress
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https://bugs.launchpad.net/bugs/1325463
Title:
segfault while realmd-join
Status in “realmd” package in Ubuntu:
Triaged
Status in “realmd” source package in Trusty:
In Progress
Bug description:
[Impact]
realmd crashes when using SSSD and full_name_format is not defined in sssd.conf. This is fixed in upstream 0.15.1 [1]
[Test Case]
1. Set up SSSD without defining full_name_format in sssd.conf
2. Set up realmd
3. Run realmd-join
Expected result:
realmd works
Observed result:
realmd crashes
[Regression Potential]
Low since this patch just tries a number of fallback cases so the format string is always defined. The patch came from upstream.
[1]
http://cgit.freedesktop.org/realmd/realmd/commit/?id=761fc873a5089ecd9e95fc77511fa07338d05b44
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