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This reverts commit c5034ac315.
This doesn't seem to help and isn't needed if the filesystem
has posix acl support.
metze
Autobuild-User: Stefan Metzmacher <metze@samba.org>
Autobuild-Date: Fri Apr 29 08:23:01 CEST 2011 on sn-devel-104
It should be after smb2_composite_setpathinfo_create_done().
metze
Autobuild-User: Stefan Metzmacher <metze@samba.org>
Autobuild-Date: Thu Apr 28 21:38:53 CEST 2011 on sn-devel-104
In an overload situation, the winbind helper child process inherits all those
hundreds of fd's which it will never talk to. Close them.
We (Christian Ambach and me) just saw a crash in libkrb5. Christian's analysis
showed that libkrb5 also does select, probably exceeding FD_SETSIZE and
crashing due to that reason. The parent winbind in theory does not do Kerberos
at all, so this should fix that problem.
The crash is interesting because the child process did not really crash.
Somewhere in glibc backtrace() is called, probably due to an assert() or some
explicit consistency check. This then somehow generates a signal probably due
to corrupted memory structures. That signal triggers Samba to again call
backtrace(). This blocks hard on a ptrace_once(). Sorry for the long backtrace
here, but this *is* interesting.
The child process blocking and not really crashing makes the situation worse:
The parent process does not get told the child has crashed and more client
sockets pile up.
This patch is intended to put some relief on this problem by closing the
majority of sockets the parent holds.
(gdb) bt
\#0 0x00002ad686a2b07b in pthread_once () from /lib64/libpthread.so.0
\#1 0x00002ad6867adf87 in backtrace () from /lib64/libc.so.6
\#2 0x00002ad683eab27c in log_stack_trace () at lib/util.c:1580
\#3 0x00002ad683eab34b in smb_panic (why=0x2ad6841c6ec3 "internal error") at lib/util.c:1481
\#4 0x00002ad683e9af3e in fault_report (sig=1) at lib/fault.c:52
\#5 sig_fault (sig=1) at lib/fault.c:75 #6 <signal handler called>
\#7 0x00002ad68673b005 in _int_malloc () from /lib64/libc.so.6
\#8 0x00002ad68673c95d in calloc () from /lib64/libc.so.6
\#9 0x00002ad684503e25 in _dl_new_object () from /lib64/ld-linux-x86-64.so.2
\#10 0x00002ad6844ffadc in _dl_map_object_from_fd () from /lib64/ld-linux-x86-64.so.2
\#11 0x00002ad684501d43 in _dl_map_object () from /lib64/ld-linux-x86-64.so.2
\#12 0x00002ad68450ac8d in dl_open_worker () from /lib64/ld-linux-x86-64.so.2
\#13 0x00002ad684506ed6 in _dl_catch_error () from /lib64/ld-linux-x86-64.so.2
\#14 0x00002ad68450a68c in _dl_open () from /lib64/ld-linux-x86-64.so.2
\#15 0x00002ad6867d0ba0 in do_dlopen () from /lib64/libc.so.6
\#16 0x00002ad684506ed6 in _dl_catch_error () from /lib64/ld-linux-x86-64.so.2
\#17 0x00002ad6867d0d07 in __libc_dlopen_mode () from /lib64/libc.so.6
\#18 0x00002ad6867adeea in init () from /lib64/libc.so.6
\#19 0x00002ad686a2b083 in pthread_once () from /lib64/libpthread.so.0
\#20 0x00002ad6867adf87 in backtrace () from /lib64/libc.so.6
\#21 0x00002ad68673285f in __libc_message () from /lib64/libc.so.6
\#22 0x00002ad68673a30f in _int_free () from /lib64/libc.so.6
\#23 0x00002ad68673a76b in free () from /lib64/libc.so.6
\#24 0x00002ad6853fe346 in krb5int_sendto () from /usr/lib64/libkrb5.so.3
\#25 0x00002ad6853fe511 in krb5_sendto_kdc () from /usr/lib64/libkrb5.so.3
\#26 0x00002ad6853df7c4 in ?? () from /usr/lib64/libkrb5.so.3
\#27 0x00002ad6853e0919 in krb5_get_init_creds () from /usr/lib64/libkrb5.so.3
\#28 0x00002ad6853e2a94 in krb5_get_init_creds_password () from /usr/lib64/libkrb5.so.3
\#29 0x00002ad684169ff1 in kerberos_kinit_password_ext (principal=0x2ad684702180 "<sanitized>", password=0x2ad6844c5bb0 "<sanitized>", time_offset=0, expire_time=0x2ad6846bf380, renew_till_time=0x0, cache_name=0x2ad6843cb3e0 "MEMORY:winbind_ccache", request_pac=false, add_netbios_addr=false, renewable_time=<value optimized out>, ntstatus=0x0) at libads/kerberos.c:223
\#30 0x00002ad68416a223 in ads_kinit_password (ads=0x2ad6846bf330) at libads/kerberos.c:327
\#31 0x00002ad68415f725 in ads_sasl_spnego_bind (ads=0x2ad6846bf330) at libads/sasl.c:812
\#32 0x00002ad68415dbc1 in ads_sasl_bind (ads=0x2ad6846bf330) at libads/sasl.c:1114
\#33 0x00002ad68415c09b in ads_connect (ads=0x2ad6846bf330) at libads/ldap.c:711
\#34 0x00002ad683e1b8f7 in ads_cached_connection (domain=0x2ad6846b07c0) at winbindd/winbindd_ads.c:124
\#35 0x00002ad683e1bc85 in sequence_number (domain=0x2ad6846b07c0, seq=0x2ad6846b0cd8) at winbindd/winbindd_ads.c:1233
\#36 0x00002ad683dffdd7 in refresh_sequence_number (domain=0x2ad6846b07c0, force=128) at winbindd/winbindd_cache.c:510
\#37 0x00002ad683e00520 in wcache_fetch (cache=<value optimized out>, domain=0x2ad6846b07c0, format=0x2ad68419901e "U/%s") at winbindd/winbindd_cache.c:638
\#38 0x00002ad683e04ac8 in query_user (domain=0x2ad6846b07c0, mem_ctx=0x2ad6846bc920, user_sid=0x7fff1d0cb8c0, info=0x7fff1d0cb810) at winbindd/winbindd_cache.c:1910
\#39 0x00002ad683df2d38 in winbindd_dual_userinfo (domain=0x2ad6846b07c0, state=0x7fff1d0cc9c0) at winbindd/winbindd_user.c:173
\#40 0x00002ad683e232e0 in fork_domain_child (child=0x2ad6846c2440) at winbindd/winbindd_dual.c:485
\#41 schedule_async_request (child=0x2ad6846c2440) at winbindd/winbindd_dual.c:319
\#42 0x00002ad683e229f2 in async_request_fail (state=0x2ad6846c1d00) at winbindd/winbindd_dual.c:214
\#43 0x00002ad683ebabec in run_events (ev=0x2ad6846aebf0, selrtn=0, read_fds=0x7fff1d0ce910, write_fds=<value optimized out>) at lib/events.c:123
\#44 0x00002ad683df08cb in process_loop (argc=<value optimized out>, argv=<value optimized out>, envp=<value optimized out>) at winbindd/winbindd.c:1113
\#45 main (argc=<value optimized out>, argv=<value optimized out>, envp=<value optimized out>) at winbindd/winbindd.c:1437
Autobuild-User: Volker Lendecke <vlendec@samba.org>
Autobuild-Date: Thu Apr 28 12:06:12 CEST 2011 on sn-devel-104
The previous code was too subtle, and tried to filter via two xfail
scripts. The --fail-immediately for the source3 knownfail would then
fail samba4 know failures.
Andrew Bartlett
Pair-Programmed-With: Andrew Tridgell <tridge@samba.org>
These tests can't run on systems without posix ACLs.
Autobuild-User: Andrew Bartlett <abartlet@samba.org>
Autobuild-Date: Thu Apr 28 06:18:59 CEST 2011 on sn-devel-104
This checks that Samba3 joins Samba4 correctly, and allows NTLM and
Kerberos logons from a live Samba4 DC.
This needs the common krb5.conf generation logic, and because we now
override KRB5_CONFIG we must update ktest to have a valid krb5.conf.
Based on an original patch by metze
Andrew Bartlett
This means that we control the connection setup, don't rely on signals
for timeouts and the connection uses socket_wrapper where that is
required in our test environment.
According to bug reports, this method is also used by curl and other
tools, so we are not the first to (ab)use the OpenLDAP libs in this
way.
It is ONLY enabled for socket_wrapper at this time, as this is the
best way to get 'make test' working for S3 winbind tests in an S4
domain.
Andrew Bartlett
this prevents error messages from logfile creation before smb.conf is
read
Pair-Programmed-With: Andrew Bartlett <abartlet@samba.org>
Autobuild-User: Andrew Tridgell <tridge@samba.org>
Autobuild-Date: Thu Apr 28 05:29:19 CEST 2011 on sn-devel-104
This breaks the fast path into handling for -1 and handling for
specified lenghts, avoding branch operations on each character.
Pair-Programmed-With: Andrew Bartlett <abartlet@samba.org>
Signed-off-by: Andrew Tridgell <tridge@samba.org>
This punts partial UTF16 strings to iconv() to deal with, as it's not
a fast path any longer if it's got an odd length.
Andrew Bartlett
Signed-off-by: Andrew Tridgell <tridge@samba.org>
This is no longer a feature of Samba4
Autobuild-User: Andrew Bartlett <abartlet@samba.org>
Autobuild-Date: Wed Apr 27 15:32:28 CEST 2011 on sn-devel-104
