Panic due to double free was Re: Fwd: BUILD of samba_4_0_test:master BROKEN on SerNet-NetBSD5 with gcc AT REVISION ea510ae16cc7103bb001469b644415b2867ff347
Matthieu Patou
mat at samba.org
Wed Dec 15 08:52:27 MST 2010
On 15/12/2010 18:45, Jelmer Vernooij wrote:
> Hi Matthieu,
>
> On Wed, 2010-12-15 at 17:49 +0300, Matthieu Patou wrote:
>> Since last week we have this problem very often on a lot of platforms
>> and its clearly not due to the current patch.
>>
>> Problems seems to have started with the patches related to libraries
>> numbering.
>> Can someone have a look ?
> Please include the actual error messages when asking a question like
> this. That way it's not necessary for everybody to go and browse the
> build page for the actual error on the linked web page.
>
> The error appears to be:
>
> Setting account password for RODC$
> Enabling account
> Calling bare provision
> No external IPv4 address has been found. Using loopback.
> samba: EOF on stdin - terminating
> Provision OK for domain DN DC=samba,DC=example,DC=com
> Starting replication
> Searching for dsServiceName in rootDSE failed: LDAP client internal
> error: NT_STATUS_UNEXPECTED_NETWORK_ERROR
> Failed to find our own NTDS Settings DN in the ldb!
> Failed to find our own NTDS Settings invocationId in the ldb!
> Join failed - cleaning up
> checking samaccountname
> ERROR(runtime): uncaught exception - Failed to find NTDS invocation ID
> File "bin/python/samba/netcmd/__init__.py", line 134, in _run
> return self.run(*args, **kwargs)
> File "bin/python/samba/netcmd/join.py", line 68, in run
> site=site, netbios_name=netbios_name)
> File "bin/python/samba/join.py", line 552, in join_RODC
> ctx.do_join()
> File "bin/python/samba/join.py", line 508, in do_join
> ctx.join_replicate()
> File "bin/python/samba/join.py", line 447, in join_replicate
> source_dsa_invocation_id = misc.GUID(ctx.samdb.get_invocation_id())
> File "bin/python/samba/samdb.py", line 463, in get_invocation_id
> return dsdb._samdb_ntds_invocation_id(self)
> A transaction is still active in ldb context [0x7f7ff58e8170]
> on /home/build/build_farm/samba_4_0_test/source4/st/rodc/private/sam.ldb
> RODC join failed
>
> The actual error seems to be masked by the fact that a transaction isn't
> closed properly. I've pushed a fix to autobuild.
>
I pretty have the imperssion that the problem I was referring is this panic:
est: samba4.drs.repl_schema.python(vampire_dc).repl_schema.DrsReplSchemaTestCase.test_all
talloc: double free error - first free may be at ../../lib/talloc/talloc.c:896
Bad talloc magic value - double free
smb_panic(): calling panic action [/home/build/build_farm/samba_4_0_test/selftest/gdb_backtrace 6951 /home/build/build_farm/samba_4_0_test/source4/./bin/samba]
gdb_backtrace: Trying to use /usr/bin/gdb on /proc/6951/exe on PID 6951
GNU gdb 6.5
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This GDB was configured as "x86_64--netbsd"...
Attaching to program: /proc/6951/exe, process 6951
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Reading symbols from /home/build/build_farm/samba_4_0_test/source4/bin/modules/ldb/linked_attributes.so...done.
Loaded symbols for /home/build/build_farm/samba_4_0_test/source4/bin/modules/ldb/linked_attributes.so
Reading symbols from /home/build/build_farm/samba_4_0_test/source4/bin/modules/ldb/local_password.so...done.
Loaded symbols for /home/build/build_farm/samba_4_0_test/source4/bin/modules/ldb/local_password.so
Reading symbols from /home/build/build_farm/samba_4_0_test/source4/bin/modules/ldb/naming_fsmo.so...done.
Loaded symbols for /home/build/build_farm/samba_4_0_test/source4/bin/modules/ldb/naming_fsmo.so
Reading symbols from /home/build/build_farm/samba_4_0_test/source4/bin/modules/ldb/new_partition.so...done.
Loaded symbols for /home/build/build_farm/samba_4_0_test/source4/bin/modules/ldb/new_partition.so
Reading symbols from /home/build/build_farm/samba_4_0_test/source4/bin/modules/ldb/objectclass.so...done.
Loaded symbols for /home/build/build_farm/samba_4_0_test/source4/bin/modules/ldb/objectclass.so
Reading symbols from /home/build/build_farm/samba_4_0_test/source4/bin/modules/ldb/objectclass_attrs.so...done.
Loaded symbols for /home/build/build_farm/samba_4_0_test/source4/bin/modules/ldb/objectclass_attrs.so
Reading symbols from /home/build/build_farm/samba_4_0_test/source4/bin/modules/ldb/objectguid.so...done.
Loaded symbols for /home/build/build_farm/samba_4_0_test/source4/bin/modules/ldb/objectguid.so
Reading symbols from /home/build/build_farm/samba_4_0_test/source4/bin/modules/ldb/operational.so...done.
Loaded symbols for /home/build/build_farm/samba_4_0_test/source4/bin/modules/ldb/operational.so
Reading symbols from /home/build/build_farm/samba_4_0_test/source4/bin/modules/ldb/partition.so...done.
Loaded symbols for /home/build/build_farm/samba_4_0_test/source4/bin/modules/ldb/partition.so
Reading symbols from /home/build/build_farm/samba_4_0_test/source4/bin/modules/ldb/password_hash.so...done.
Loaded symbols for /home/build/build_farm/samba_4_0_test/source4/bin/modules/ldb/password_hash.so
Reading symbols from /home/build/build_farm/samba_4_0_test/source4/bin/modules/ldb/pdc_fsmo.so...done.
Loaded symbols for /home/build/build_farm/samba_4_0_test/source4/bin/modules/ldb/pdc_fsmo.so
Reading symbols from /home/build/build_farm/samba_4_0_test/source4/bin/modules/ldb/ranged_results.so...done.
Loaded symbols for /home/build/build_farm/samba_4_0_test/source4/bin/modules/ldb/ranged_results.so
Reading symbols from /home/build/build_farm/samba_4_0_test/source4/bin/modules/ldb/repl_meta_data.so...done.
Loaded symbols for /home/build/build_farm/samba_4_0_test/source4/bin/modules/ldb/repl_meta_data.so
Reading symbols from /home/build/build_farm/samba_4_0_test/source4/bin/modules/ldb/resolve_oids.so...done.
Loaded symbols for /home/build/build_farm/samba_4_0_test/source4/bin/modules/ldb/resolve_oids.so
Reading symbols from /home/build/build_farm/samba_4_0_test/source4/bin/modules/ldb/rootdse.so...done.
Loaded symbols for /home/build/build_farm/samba_4_0_test/source4/bin/modules/ldb/rootdse.so
Reading symbols from /home/build/build_farm/samba_4_0_test/source4/bin/modules/ldb/samba3sam.so...done.
Loaded symbols for /home/build/build_farm/samba_4_0_test/source4/bin/modules/ldb/samba3sam.so
Reading symbols from /home/build/build_farm/samba_4_0_test/source4/bin/modules/ldb/samba3sid.so...done.
Loaded symbols for /home/build/build_farm/samba_4_0_test/source4/bin/modules/ldb/samba3sid.so
Reading symbols from /home/build/build_farm/samba_4_0_test/source4/bin/modules/ldb/samba_dsdb.so...done.
Loaded symbols for /home/build/build_farm/samba_4_0_test/source4/bin/modules/ldb/samba_dsdb.so
Reading symbols from /home/build/build_farm/samba_4_0_test/source4/bin/modules/ldb/samba_secrets.so...done.
Loaded symbols for /home/build/build_farm/samba_4_0_test/source4/bin/modules/ldb/samba_secrets.so
Reading symbols from /home/build/build_farm/samba_4_0_test/source4/bin/modules/ldb/samldb.so...done.
Loaded symbols for /home/build/build_farm/samba_4_0_test/source4/bin/modules/ldb/samldb.so
Reading symbols from /home/build/build_farm/samba_4_0_test/source4/bin/modules/ldb/schema_data.so...done.
Loaded symbols for /home/build/build_farm/samba_4_0_test/source4/bin/modules/ldb/schema_data.so
Reading symbols from /home/build/build_farm/samba_4_0_test/source4/bin/modules/ldb/schema_load.so...done.
Loaded symbols for /home/build/build_farm/samba_4_0_test/source4/bin/modules/ldb/schema_load.so
Reading symbols from /home/build/build_farm/samba_4_0_test/source4/bin/modules/ldb/show_deleted.so...done.
Loaded symbols for /home/build/build_farm/samba_4_0_test/source4/bin/modules/ldb/show_deleted.so
Reading symbols from /home/build/build_farm/samba_4_0_test/source4/bin/modules/ldb/simple_dn.so...done.
Loaded symbols for /home/build/build_farm/samba_4_0_test/source4/bin/modules/ldb/simple_dn.so
Reading symbols from /home/build/build_farm/samba_4_0_test/source4/bin/modules/ldb/simple_ldap_map.so...done.
Loaded symbols for /home/build/build_farm/samba_4_0_test/source4/bin/modules/ldb/simple_ldap_map.so
Reading symbols from /home/build/build_farm/samba_4_0_test/source4/bin/modules/ldb/subtree_delete.so...done.
Loaded symbols for /home/build/build_farm/samba_4_0_test/source4/bin/modules/ldb/subtree_delete.so
Reading symbols from /home/build/build_farm/samba_4_0_test/source4/bin/modules/ldb/subtree_rename.so...done.
Loaded symbols for /home/build/build_farm/samba_4_0_test/source4/bin/modules/ldb/subtree_rename.so
Reading symbols from /home/build/build_farm/samba_4_0_test/source4/bin/modules/ldb/update_keytab.so...done.
Loaded symbols for /home/build/build_farm/samba_4_0_test/source4/bin/modules/ldb/update_keytab.so
Reading symbols from /home/build/build_farm/samba_4_0_test/source4/bin/modules/ldb/wins_ldb.so...done.
Loaded symbols for /home/build/build_farm/samba_4_0_test/source4/bin/modules/ldb/wins_ldb.so
Reading symbols from /usr/lib/i18n/libiconv_std.so.4.4...done.
Loaded symbols for /usr/lib/i18n/libiconv_std.so.4.4
Reading symbols from /usr/lib/i18n/libUTF1632.so.4.4...done.
Loaded symbols for /usr/lib/i18n/libUTF1632.so.4.4
Reading symbols from /usr/lib/i18n/libmapper_std.so.4.4...done.
Loaded symbols for /usr/lib/i18n/libmapper_std.so.4.4
Reading symbols from /usr/libexec/ld.elf_so...done.
Loaded symbols for /usr/libexec/ld.elf_so
0x00007f7ffae32a1a in wait4 () from /usr/lib/libc.so.12
#0 0x00007f7ffae32a1a in wait4 () from /usr/lib/libc.so.12
No symbol table info available.
#1 0x00007f7ffb1064ee in wait4 () from /usr/lib/libpthread.so.0
No symbol table info available.
#2 0x00007f7ffae384e0 in system () from /usr/lib/libc.so.12
No symbol table info available.
#3 0x00007f7ffcc0b56b in smb_panic (
why=0x7f7ffc405800 "Bad talloc magic value - double free")
at ../../lib/util/fault.c:134
pidstr = "6951\000\177\000\000�L4�\177\177\000\0008�@�"
cmdstring = "/home/build/build_farm/samba_4_0_test/selftest/gdb_backtrace 6951 /home/build/build_farm/samba_4_0_test/source4/./bin/samba\000\177\177\000\000�/B�\177\177", '\0'<repeats 18 times>, "\200\200\200\200\200\200\200\200�a\033�\177\177\000\000 b\033�\177\177\000\000 b\033�\177\177\000\000�a\033�\177\177\000\000@\235��\177\177\000"
result = 32639
__FUNCTION__ = "smb_panic"
#4 0x00007f7ffc402042 in talloc_abort (
reason=0x7f7ffc405800 "Bad talloc magic value - double free")
at ../../lib/talloc/talloc.c:213
No locals.
#5 0x00007f7ffc4020c1 in talloc_abort_double_free ()
at ../../lib/talloc/talloc.c:229
No locals.
#6 0x00007f7ffc4021d7 in talloc_chunk_from_ptr (ptr=0x7f7fe8344cd0)
at ../../lib/talloc/talloc.c:250
pp = 0x7f7fe8344cd0 "P���\177\177"
tc = (struct talloc_chunk *) 0x7f7fe8344c80
#7 0x00007f7ffc402739 in _talloc_reference_loc (context=0x7f7ff6c4fbd0,
ptr=0x7f7fe8344cd0,
location=0x7f7ffd422fe8 "../dsdb/schema/schema_set.c:488")
at ../../lib/talloc/talloc.c:552
tc = (struct talloc_chunk *) 0x7f7ff6c4fbd0
handle = (struct talloc_reference_handle *) 0x7f7ff6c4fbd0
#8 0x00007f7ffd40fef0 in dsdb_set_global_schema (ldb=0x7f7ff6c4fbd0)
at ../dsdb/schema/schema_set.c:488
ret = 0
use_global_schema = (void *) 0x1
#9 0x00007f7ffb50a7d4 in samdb_connect (mem_ctx=0x7f7ff6c4fae0,
ev_ctx=0x7f7ff6c26290, lp_ctx=0x7f7ff6c01850,
session_info=0x7f7fe7ed1a50, flags=0) at ../dsdb/samdb/samdb.c:119
ldb = (struct ldb_context *) 0x7f7ff6c4fbd0
schema = (struct dsdb_schema *) 0x7f7ffc4058e7
url = 0x7f7ff6c0b6d0 "sam.ldb"
credentials = (struct cli_credentials *) 0x0
ret = 32639
#10 0x00007f7ff4906c54 in ldapsrv_backend_Init (conn=0x7f7ff6c4fae0)
at ../ldap_server/ldap_backend.c:198
No locals.
#11 0x00007f7ff490b077 in ldapsrv_BindSASL (call=0x7f7fe71cf8f0)
at ../ldap_server/ldap_bind.c:280
old_session_info = (struct auth_session_info *) 0x0
context = (struct ldapsrv_sasl_postprocess_context *) 0x0
req = (struct ldap_BindRequest *) 0x7f7fe73bc578
reply = (struct ldapsrv_reply *) 0x7f7fe71b74f0
resp = (struct ldap_BindResponse *) 0x7f7fe73bc938
conn = (struct ldapsrv_connection *) 0x7f7ff6c4fae0
result = 0
errstr = 0x0
status = {v = 0}
__FUNCTION__ = "ldapsrv_BindSASL"
#12 0x00007f7ff490b20d in ldapsrv_BindRequest (call=0x7f7fe71cf8f0)
at ../ldap_server/ldap_bind.c:332
req = (struct ldap_BindRequest *) 0x7f7fe73bc578
reply = (struct ldapsrv_reply *) 0x7f7fffffa0f0
resp = (struct ldap_BindResponse *) 0x7f7fe75c6810
#13 0x00007f7ff490a4fc in ldapsrv_do_call (call=0x7f7fe71cf8f0)
at ../ldap_server/ldap_backend.c:1174
i = 0
msg = (struct ldap_message *) 0x7f7fe73bc570
__FUNCTION__ = "ldapsrv_do_call"
#14 0x00007f7ff4905c4c in ldapsrv_process_call_trigger (req=0x7f7fe73d3350,
private_data=0x0) at ../ldap_server/ldap_server.c:727
state = (struct ldapsrv_process_call_state *) 0x7f7fe75c6810
status = {v = 3891474880}
#15 0x00007f7ffc604a5b in tevent_queue_immediate_trigger (ev=0x7f7ff6c26290,
im=0x7f7fe7f33210, private_data=0x7f7fe8d95dd0)
at ../../lib/tevent/tevent_queue.c:144
q = (struct tevent_queue *) 0x7f7fe8d95dd0
#16 0x00007f7ffc6046fc in tevent_common_loop_immediate (ev=0x7f7ff6c26290)
at ../../lib/tevent/tevent_immediate.c:135
im = (struct tevent_immediate *) 0x7f7fe7f33210
handler = (
tevent_immediate_handler_t) 0x7f7ffc6049f2<tevent_queue_immediate_trigger>
private_data = (void *) 0x7f7fe8d95dd0
#17 0x00007f7ffc606f67 in std_event_loop_once (ev=0x7f7ff6c26290,
location=0x40fbe7 "../smbd/server.c:480")
at ../../lib/tevent/tevent_standard.c:532
std_ev = (struct std_event_context *) 0x7f7ff6c1d790
tval = {tv_sec = 3, tv_usec = 943567}
#18 0x00007f7ffc60390a in _tevent_loop_once (ev=0x7f7ff6c26290,
location=0x40fbe7 "../smbd/server.c:480") at ../../lib/tevent/tevent.c:493
ret = 0
nesting_stack_ptr = (void *) 0x0
#19 0x00007f7ffc603b2f in tevent_common_loop_wait (ev=0x7f7ff6c26290,
location=0x40fbe7 "../smbd/server.c:480") at ../../lib/tevent/tevent.c:594
ret = 0
#20 0x00007f7ffc603beb in _tevent_loop_wait (ev=0x7f7ff6c26290,
location=0x40fbe7 "../smbd/server.c:480") at ../../lib/tevent/tevent.c:613
No locals.
#21 0x000000000040b88d in binary_smbd_main (binary_name=0x40f58a "samba",
argc=6, argv=0x7f7fffffa5f8) at ../smbd/server.c:480
opt_daemon = false
opt_interactive = true
opt = -1
pc = (poptContext) 0x7f7ff6c01400
static_init = {0x7f7ffd207484<server_service_auth_init>,
0x7f7ffd209ed1<server_service_echo_init>, 0}
shared_init = (init_module_fn *) 0x7f7ff6c1e200
event_ctx = (struct tevent_context *) 0x7f7ff6c26290
stdin_event_flags = 1
status = {v = 0}
model = 0x7f7ff6c0d080 "single"
max_runtime = 18000
long_options = {{longName = 0x0, shortName = 0 '\0', argInfo = 4,
arg = 0x7f7ffd708dc0, val = 0, descrip = 0x40f7ba "Help options:",
argDescrip = 0x0}, {longName = 0x40f7c8 "daemon", shortName = 68 'D',
argInfo = 0, arg = 0x0, val = 1000,
descrip = 0x40f7cf "Become a daemon (default)", argDescrip = 0x0}, {
longName = 0x40f7e9 "interactive", shortName = 105 'i', argInfo = 0,
arg = 0x0, val = 1001,
descrip = 0x40f7f8 "Run interactive (not a daemon)", argDescrip = 0x0}, {
longName = 0x40f817 "model", shortName = 77 'M', argInfo = 1, arg = 0x0,
val = 1002, descrip = 0x40f81d "Select process model",
argDescrip = 0x40f832 "MODEL"}, {longName = 0x40f838 "maximum-runtime",
shortName = 0 '\0', argInfo = 2, arg = 0x7f7fffffa4fc, val = 0,
descrip = 0x40f848 "set maximum runtime of the server process, till autotermination", argDescrip = 0x40f888 "seconds"}, {
longName = 0x40f890 "show-build", shortName = 98 'b', argInfo = 0,
arg = 0x0, val = 1003, descrip = 0x40f89b "show build info",
argDescrip = 0x0}, {longName = 0x0, shortName = 0 '\0', argInfo = 4,
arg = 0x511fc0, val = 0, descrip = 0x40f8ab "Common samba options:",
argDescrip = 0x0}, {longName = 0x0, shortName = 0 '\0', argInfo = 4,
arg = 0x512180, val = 0, descrip = 0x40f8ab "Common samba options:",
argDescrip = 0x0}, {longName = 0x0, shortName = 0 '\0', argInfo = 0,
arg = 0x0, val = 0, descrip = 0x0, argDescrip = 0x0}}
__FUNCTION__ = "binary_smbd_main"
#22 0x000000000040b8db in main (argc=6, argv=0x7f7fffffa5f8)
at ../smbd/server.c:491
No locals.
No symbol table info available.
smb_panic(): action returned status 0
PANIC: Bad talloc magic value - double free
./bin/samba got signal 6 and exits with 0!
error: samba4.drs.repl_schema.python(vampire_dc).repl_schema.DrsReplSchemaTestCase.test_all [
_StringException: _StringException: _StringException: Content-Type: text/x-traceback;charset=utf8,language=python
traceback
3BE
Traceback (most recent call last):
File "../selftest/../lib/testtools/testtools/runtest.py", line 169, in _run_user
return fn(*args, **kwargs)
File "../selftest/../lib/testtools/testtools/testcase.py", line 458, in _run_setup
ret = self.setUp()
File "/home/build/build_farm/samba_4_0_test/source4/torture/drs/python/repl_schema.py", line 68, in setUp
ldap_only=True)
File "/home/build/build_farm/samba_4_0_test/source4/bin/python/samba/tests/__init__.py", line 176, in connect_samdb_ex
flags, ldb_options, ldap_only)
File "/home/build/build_farm/samba_4_0_test/source4/bin/python/samba/tests/__init__.py", line 160, in connect_samdb
options=ldb_options)
File "bin/python/samba/samdb.py", line 53, in __init__
options=options)
File "bin/python/samba/__init__.py", line 110, in __init__
self.connect(url, flags, options)
File "bin/python/samba/samdb.py", line 66, in connect
options=options)
LdbError: (1, None)
0--
Matthieu Patou
Samba Team http://samba.org
Private repo http://git.samba.org/?p=mat/samba.git;a=summary
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