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[Bug 1300878] [NEW] panic while renaming file

 

Public bug reported:

Version: 2:4.1.3+dfsg-2ubuntu4

from log file:

2014/04/01 16:38:11.053394,  0] ../lib/dbwrap/dbwrap.c:133(debug_lock_order)
  lock order:  1:/var/run/samba/locking.tdb 2:<none> 3:<none>
[2014/04/01 16:38:11.053568,  0] ../source3/lib/util.c:785(smb_panic_s3)
  PANIC (pid 1817): invalid lock_order
[2014/04/01 16:38:11.056407,  0] ../source3/lib/util.c:896(log_stack_trace)
  BACKTRACE: 33 stack frames:
   #0 /usr/lib/x86_64-linux-gnu/libsmbconf.so.0(log_stack_trace+0x1a) [0x7fc2a8650eba]
   #1 /usr/lib/x86_64-linux-gnu/libsmbconf.so.0(smb_panic_s3+0x20) [0x7fc2a8650f90]
   #2 /usr/lib/x86_64-linux-gnu/libsamba-util.so.0(smb_panic+0x2f) [0x7fc2a9b79c6f]
   #3 /usr/lib/x86_64-linux-gnu/samba/libdbwrap.so.0(+0x3255) [0x7fc2a511e255]
   #4 /usr/lib/x86_64-linux-gnu/samba/libsmbd_base.so.0(smbXsrv_open_create+0x19a) [0x7fc2a97954ca]
   #5 /usr/lib/x86_64-linux-gnu/samba/libsmbd_base.so.0(file_new+0x73) [0x7fc2a96fa493]
   #6 /usr/lib/x86_64-linux-gnu/samba/libsmbd_base.so.0(+0xf93dd) [0x7fc2a974d3dd]
   #7 /usr/lib/x86_64-linux-gnu/samba/libsmbd_base.so.0(create_file_default+0x1ba) [0x7fc2a974e4fa]
   #8 /usr/lib/x86_64-linux-gnu/samba/libsmbd_base.so.0(+0x1c4beb) [0x7fc2a9818beb]
   #9 /usr/lib/x86_64-linux-gnu/samba/libsmbd_base.so.0(smb_vfs_call_create_file+0xa5) [0x7fc2a9754ab5]
   #10 /usr/lib/x86_64-linux-gnu/samba/libsmbd_base.so.0(open_file_fchmod+0x80) [0x7fc2a974c7a0]
   #11 /usr/lib/x86_64-linux-gnu/samba/libsmbd_base.so.0(file_set_dosmode+0x2f9) [0x7fc2a9743e99]
   #12 /usr/lib/x86_64-linux-gnu/samba/libsmbd_base.so.0(rename_internals_fsp+0xa0f) [0x7fc2a9726c6f]
   #13 /usr/lib/x86_64-linux-gnu/samba/libsmbd_base.so.0(smbd_do_setfilepathinfo+0x178c) [0x7fc2a973c4bc]
   #14 /usr/lib/x86_64-linux-gnu/samba/libsmbd_base.so.0(smbd_smb2_request_process_setinfo+0x46f) [0x7fc2a978e8bf]
   #15 /usr/lib/x86_64-linux-gnu/samba/libsmbd_base.so.0(smbd_smb2_request_dispatch+0x8b1) [0x7fc2a977cd01]
   #16 /usr/lib/x86_64-linux-gnu/samba/libsmbd_base.so.0(+0x12958f) [0x7fc2a977d58f]
   #17 /usr/lib/x86_64-linux-gnu/samba/libsmbd_base.so.0(+0x12648c) [0x7fc2a977a48c]
   #18 /usr/lib/x86_64-linux-gnu/samba/libsamba-sockets.so.0(+0x9c74) [0x7fc2a8422c74]
   #19 /usr/lib/x86_64-linux-gnu/samba/libsamba-sockets.so.0(+0x97a9) [0x7fc2a84227a9]
   #20 /usr/lib/x86_64-linux-gnu/samba/libsamba-sockets.so.0(+0x8686) [0x7fc2a8421686]
   #21 /usr/lib/x86_64-linux-gnu/libtevent.so.0(tevent_common_loop_immediate+0xd4) [0x7fc2a703fe14]
   #22 /usr/lib/x86_64-linux-gnu/libsmbconf.so.0(run_events_poll+0x3c) [0x7fc2a8666f7c]
   #23 /usr/lib/x86_64-linux-gnu/libsmbconf.so.0(+0x37264) [0x7fc2a8667264]
   #24 /usr/lib/x86_64-linux-gnu/libtevent.so.0(_tevent_loop_once+0x8d) [0x7fc2a703f5ed]
   #25 /usr/lib/x86_64-linux-gnu/samba/libsmbd_base.so.0(smbd_process+0x9d5) [0x7fc2a9768fd5]
   #26 smbd(+0x9fa4) [0x7fc2aa1ddfa4]
   #27 /usr/lib/x86_64-linux-gnu/libsmbconf.so.0(run_events_poll+0x16c) [0x7fc2a86670ac]
   #28 /usr/lib/x86_64-linux-gnu/libsmbconf.so.0(+0x37300) [0x7fc2a8667300]
   #29 /usr/lib/x86_64-linux-gnu/libtevent.so.0(_tevent_loop_once+0x8d) [0x7fc2a703f5ed]
   #30 smbd(main+0x13eb) [0x7fc2aa1dab8b]
   #31 /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5) [0x7fc2a6c97ec5]
   #32 smbd(+0x6f1d) [0x7fc2aa1daf1d]
[2014/04/01 16:38:11.059231,  0] ../source3/lib/dumpcore.c:317(dump_core)
  dumping core in /var/log/samba/cores/smbd


# gdb /usr/sbin/smbd /var/log/samba/cores/smbd/core
...
(gdb) bt full
#0  0x00007fc2a6cacf79 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
        resultvar = 0
        pid = 1817
        selftid = 1817
#1  0x00007fc2a6cb0388 in __GI_abort () at abort.c:89
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x4, sa_sigaction = 0x4}, sa_mask = {__val = {140474084789504, 140474049955744, 140474052240727, 140471200382977, 0, 0, 
              140473998495016, 502, 140474049955744, 140473969806672, 140474052269333, 140474047766096, 18446744073709551615, 140474050024256, 140735896838208, 6}}, 
          sa_flags = -1591516624, sa_restorer = 0x0}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x00007fc2a865eecb in dump_core () at ../source3/lib/dumpcore.c:336
        called = true
        __FUNCTION__ = "dump_core"
#3  0x00007fc2a8650ff7 in smb_panic_s3 (why=<optimised out>) at ../source3/lib/util.c:808
        cmd = <optimised out>
        result = <optimised out>
        __FUNCTION__ = "smb_panic_s3"
#4  0x00007fc2a9b79c6f in smb_panic (why=why@entry=0x7fc2a5122b1c "invalid lock_order") at ../lib/util/fault.c:159
No locals.
#5  0x00007fc2a511e255 in dbwrap_check_lock_order (mem_ctx=0x7fc2abec8550, db=0x7fc2abe928a0) at ../lib/dbwrap/dbwrap.c:195
        idx = <optimised out>
        state = 0x0
        locked_dbs = {0x7fc2abe89700, 0x0, 0x0}
#6  dbwrap_fetch_locked_internal (db=db@entry=0x7fc2abe928a0, mem_ctx=mem_ctx@entry=0x7fc2abec8d00, key=..., db_fn=0x7fc2a5120d50 <db_tdb_fetch_locked>)
    at ../lib/dbwrap/dbwrap.c:225
        rec = <optimised out>
        frame = 0x7fc2abec8550
#7  0x00007fc2a511e468 in dbwrap_fetch_locked (db=db@entry=0x7fc2abe928a0, mem_ctx=mem_ctx@entry=0x7fc2abec8d00, key=...) at ../lib/dbwrap/dbwrap.c:245
No locals.
#8  0x00007fc2a97954ca in smbXsrv_open_global_allocate (_global=<synthetic pointer>, mem_ctx=0x7fc2abec8d00, db=0x7fc2abe928a0) at ../source3/smbd/smbXsrv_open.c:507
        is_free = false
        was_free = false
        key_buf = "\bQĺ"
        key = <optimised out>
        id = 139576506
        i = 0
        global = 0x7fc2abec8da0
        last_free = 0
        min_tries = 3
#9  smbXsrv_open_create (conn=0x7fc2abe7f0c0, session_info=<optimised out>, now=130408402910530290, _open=_open@entry=0x7fffa1236588) at ../source3/smbd/smbXsrv_open.c:811
        table = 0x7fc2abe95c80
        local_rec = 0x0
        op = 0x7fc2abec8d00
        ptr = 0x0
        global = 0x0
        status = <optimised out>
        current_sid = 0x7fc2abea6490
        current_token = <optimised out>
        __FUNCTION__ = "smbXsrv_open_create"
#10 0x00007fc2a96fa493 in file_new (req=req@entry=0x0, conn=conn@entry=0x7fc2abe9e290, result=result@entry=0x7fffa1236668) at ../source3/smbd/files.c:100
        op = 0x0
        now = <optimised out>
        sconn = 0x7fc2abe866f0
        fsp = 0x7fc2abec8b00
        status = <optimised out>
        __FUNCTION__ = "file_new"
#11 0x00007fc2a974d3dd in create_file_unixpath (conn=conn@entry=0x7fc2abe9e290, req=req@entry=0x0, smb_fname=smb_fname@entry=0x7fc2abec6df0, access_mask=access_mask@entry=2, 
    share_access=share_access@entry=7, create_disposition=create_disposition@entry=1, create_options=create_options@entry=0, file_attributes=file_attributes@entry=0, 
    oplock_request=oplock_request@entry=8, allocation_size=allocation_size@entry=0, private_flags=private_flags@entry=0, sd=sd@entry=0x0, ea_list=ea_list@entry=0x0, 
    result=result@entry=0x7fffa1236730, pinfo=pinfo@entry=0x7fffa123672c) at ../source3/smbd/open.c:3883
        info = 1
        fsp = 0x0
        status = <optimised out>
        __FUNCTION__ = "create_file_unixpath"
#12 0x00007fc2a974e4fa in create_file_default (conn=0x7fc2abe9e290, req=0x0, root_dir_fid=<optimised out>, smb_fname=0x7fc2abec6df0, access_mask=2, share_access=7, 
    create_disposition=create_disposition@entry=1, create_options=create_options@entry=0, file_attributes=file_attributes@entry=0, oplock_request=oplock_request@entry=8, 
    allocation_size=allocation_size@entry=0, private_flags=private_flags@entry=0, sd=sd@entry=0x0, ea_list=ea_list@entry=0x0, result=result@entry=0x7fffa12368c8, 
    pinfo=pinfo@entry=0x0) at ../source3/smbd/open.c:4303
        info = 1
        status = <optimised out>
        stream_name = <optimised out>
        __FUNCTION__ = "create_file_default"
#13 0x00007fc2a9818beb in vfswrap_create_file (handle=<optimised out>, req=<optimised out>, root_dir_fid=<optimised out>, smb_fname=<optimised out>, access_mask=<optimised out>, 
    share_access=<optimised out>, create_disposition=1, create_options=0, file_attributes=0, oplock_request=8, allocation_size=0, private_flags=0, sd=0x0, ea_list=0x0, 
    result=0x7fffa12368c8, pinfo=0x0) at ../source3/modules/vfs_default.c:527
No locals.
#14 0x00007fc2a9754ab5 in smb_vfs_call_create_file (handle=<optimised out>, req=req@entry=0x0, root_dir_fid=root_dir_fid@entry=0, smb_fname=smb_fname@entry=0x7fc2abec6df0, 
    access_mask=access_mask@entry=2, share_access=share_access@entry=7, create_disposition=create_disposition@entry=1, create_options=create_options@entry=0, 
    file_attributes=file_attributes@entry=0, oplock_request=oplock_request@entry=8, allocation_size=allocation_size@entry=0, private_flags=private_flags@entry=0, sd=sd@entry=0x0, 
    ea_list=ea_list@entry=0x0, result=result@entry=0x7fffa12368c8, pinfo=pinfo@entry=0x0) at ../source3/smbd/vfs.c:1544
No locals.
#15 0x00007fc2a974c7a0 in open_file_fchmod (conn=conn@entry=0x7fc2abe9e290, smb_fname=smb_fname@entry=0x7fc2abec6df0, result=result@entry=0x7fffa12368c8)
    at ../source3/smbd/open.c:2846
No locals.
#16 0x00007fc2a9743e99 in file_set_dosmode (conn=conn@entry=0x7fc2abe9e290, smb_fname=smb_fname@entry=0x7fc2abec6df0, dosmode=<optimised out>, parent_dir=parent_dir@entry=0x0, 
    newfile=newfile@entry=true) at ../source3/smbd/dosmode.c:886
        mask = <optimised out>
        tmp = <optimised out>
        unixmode = 33264
        ret = <optimised out>
        lret = -1
        old_mode = <optimised out>
        new_create_timespec = {tv_sec = 1396350353, tv_nsec = <optimised out>}
        fsp = 0x0
        __FUNCTION__ = "file_set_dosmode"
#17 0x00007fc2a9726c6f in rename_internals_fsp (conn=conn@entry=0x7fc2abe9e290, fsp=fsp@entry=0x7fc2abea6fc0, smb_fname_dst_in=<optimised out>, attrs=attrs@entry=6, 
    replace_if_exists=<optimised out>) at ../source3/smbd/reply.c:6500
        old_dosmode = <optimised out>
        create_options = 0
        ctx = <optimised out>
        smb_fname_dst = 0x7fc2abec6df0
        status = {v = 0}
        lck = 0x7fc2abec7d10
        dst_exists = <optimised out>
        old_is_stream = <optimised out>
        new_is_stream = <optimised out>
        __FUNCTION__ = "rename_internals_fsp"
#18 0x00007fc2a973c4bc in smb2_file_rename_information (req=0x7fc2a9d907a0 <DEBUGLEVEL_CLASS>, smb_fname_src=<optimised out>, fsp=0x7fc2abea6fc0, total_data=64, 
    pdata=<optimised out>, conn=0x7fc2abe9e290) at ../source3/smbd/trans2.c:6273
        overwrite = false
        len = <optimised out>
        newname = 0x7fc2abec6840 "qualcare uk 1 2.pdf"
        status = {v = 0}
        ctx = 0x7fc2abec67e0
        smb_fname_dst = 0x7fc2abec6920
#19 smbd_do_setfilepathinfo (conn=conn@entry=0x7fc2abe9e290, req=req@entry=0x7fc2abec27d0, mem_ctx=<optimised out>, info_level=<optimised out>, fsp=fsp@entry=0x7fc2abea6fc0, 
    smb_fname=<optimised out>, ppdata=ppdata@entry=0x7fffa1236c28, total_data=total_data@entry=64, ret_data_size=ret_data_size@entry=0x7fffa1236c1c)
    at ../source3/smbd/trans2.c:8022
        pdata = <optimised out>
        status = {v = 0}
        data_return_size = 0
        __FUNCTION__ = "smbd_do_setfilepathinfo"
#20 0x00007fc2a978e8bf in smbd_smb2_setinfo_send (in_additional_information=0, in_input_buffer=..., in_file_info_class=10 '\n', in_info_type=1 '\001', fsp=0x7fc2abea6fc0, 
    smb2req=0x7fc2abec1b30, ev=0x7fc2abe7e3a0, mem_ctx=0x7fc2abec1b30) at ../source3/smbd/smb2_setinfo.c:286
        file_info_level = <optimised out>
        data = 0x7fc2abea9420 ""
        data_size = 64
        ret_size = 0
        state = 0x7fc2abec2760
        smbreq = 0x7fc2abec27d0
        conn = 0x7fc2abe9e290
        status = <optimised out>
        req = 0x7fc2abec25e0
#21 smbd_smb2_request_process_setinfo (req=req@entry=0x7fc2abec1b30) at ../source3/smbd/smb2_setinfo.c:103
        status = <optimised out>
        inbody = <optimised out>
        in_info_type = 1 '\001'
        in_file_info_class = 10 '\n'
        in_input_buffer_offset = <optimised out>
        in_input_buffer_length = 64
        in_input_buffer = {data = 0x7fc2abec22c0 "", length = 64}
        in_additional_information = 0
        in_file_id_persistent = <optimised out>
        in_file_id_volatile = <optimised out>
        in_fsp = 0x7fc2abea6fc0
        __FUNCTION__ = "smbd_smb2_request_process_setinfo"
#22 0x00007fc2a977cd01 in smbd_smb2_request_dispatch (req=req@entry=0x7fc2abec1b30) at ../source3/smbd/smb2_server.c:2258
        conn = 0x7fc2abe7f0c0
        call = <optimised out>
        intf_v = <optimised out>
        inhdr = <optimised out>
        opcode = 17
        flags = <optimised out>
        mid = <optimised out>
        status = <optimised out>
        session_status = <optimised out>
        allowed_flags = <optimised out>
        return_value = <optimised out>
        x = <optimised out>
        signing_required = <optimised out>
        encryption_required = <optimised out>
        __FUNCTION__ = "smbd_smb2_request_dispatch"
#23 0x00007fc2a977d58f in smbd_smb2_request_incoming (subreq=0x0) at ../source3/smbd/smb2_server.c:3270
        sconn = 0x7fc2abe866f0
        status = <optimised out>
        req = 0x7fc2abec1b30
        __FUNCTION__ = "smbd_smb2_request_incoming"
#24 0x00007fc2a977a48c in smbd_smb2_request_read_done (subreq=0x0) at ../source3/smbd/smb2_server.c:3131
        req = 0x7fc2abec6620
        state = 0x7fc2abeae390
        ret = 164
        sys_errno = 32706
        status = <optimised out>
        now = <optimised out>
        __FUNCTION__ = "smbd_smb2_request_read_done"
#25 0x00007fc2a8422c74 in tstream_readv_pdu_queue_done (subreq=0x7fc2abec1f00) at ../lib/tsocket/tsocket_helpers.c:430
        req = 0x7fc2abec1c50
        state = 0x7fc2abec1dd0
        ret = 164
        sys_errno = 32706
#26 0x00007fc2a84227a9 in tstream_readv_pdu_readv_done (subreq=0x7fc2abec23d0) at ../lib/tsocket/tsocket_helpers.c:319
        req = 0x7fc2abec1f00
        state = 0x7fc2abec2080
        ret = <optimised out>
        sys_errno = 32706
#27 0x00007fc2a8421686 in tstream_readv_done (subreq=0x0) at ../lib/tsocket/tsocket.c:604
        req = 0x7fc2abec23d0
        state = 0x7fc2abec2550
        ret = 160
        sys_errno = 32706
#28 0x00007fc2a703fe14 in tevent_common_loop_immediate () from /usr/lib/x86_64-linux-gnu/libtevent.so.0
No symbol table info available.
#29 0x00007fc2a8666f7c in run_events_poll (ev=0x7fc2abe7e3a0, pollrtn=0, pfds=0x0, num_pfds=0) at ../source3/lib/events.c:192
No locals.
#30 0x00007fc2a8667264 in s3_event_loop_once (ev=0x7fc2abe7e3a0, location=<optimised out>) at ../source3/lib/events.c:303
        state = 0x7fc2abe7d0e0
        timeout = 2147483647
        num_pfds = 0
        poll_errno = <optimised out>
#31 0x00007fc2a703f5ed in _tevent_loop_once () from /usr/lib/x86_64-linux-gnu/libtevent.so.0
No symbol table info available.
#32 0x00007fc2a9768fd5 in smbd_process (ev_ctx=0x7fc2abe7e3a0, msg_ctx=<optimised out>, sock_fd=<optimised out>, interactive=<optimised out>) at ../source3/smbd/process.c:3627
        frame = 0x7fc2abec67e0
        conn = <optimised out>
        sconn = <optimised out>
        ss = {ss_family = 2, __ss_align = 0, 
          __ss_padding = "\000\000\000\000\000\000\000\000\220\344\347\253\302\177\000\000\000\000\000\000\000\000\000\000\031i#\224Bd%~!\000\000\000\000\000\000\000W\345\373\251\302\177\000\000\001\000\000\000\302\177\000\000\000\000\000\000\000\000\000\000\220\344\347\253\302\177\000\000\220\353f\251\302\177\000\000\000\000\000\000\000\000\000\000!\000\000\000\000\000\000\000\240\343\347\253\302\177\000\000\025U\374\251\302\177\000"}
        sa = 0x7fffa1236f90
        sa_socklen = 16
        local_address = 0x7fc2abe7eef0
        remote_address = 0x7fc2abe86b50
        locaddr = <optimised out>
        remaddr = <optimised out>
        rhost = 0x0
        ret = <optimised out>
        __FUNCTION__ = "smbd_process"
#33 0x00007fc2aa1ddfa4 in smbd_accept_connection (ev=0x7fc2abe7e3a0, fde=<optimised out>, flags=<optimised out>, private_data=<optimised out>) at ../source3/smbd/server.c:621
        status = <optimised out>
        s = 0x0
        msg_ctx = 0x7fc2abe7e490
        addr = {ss_family = 2, __ss_align = 0, 
          __ss_padding = '\000' <repeats 40 times>, "\240\343\347\253\302\177\000\000(1\351\253\302\177\000\000\360f\350\253\302\177\000\000\000\000\000\000\000\000\000\000\340\320\347\253\302\177\000\000\005\000\000\000\000\000\000\000!\000\000\000\000\000\000\000\005\000\000\000\000\000\000\000 \202\350\253\302\177\000"}
        in_addrlen = 16
        fd = 33
        pid = 0
        unique_id = 9089781660033181977
        __FUNCTION__ = "smbd_accept_connection"
#34 0x00007fc2a86670ac in run_events_poll (ev=0x7fc2abe7e3a0, pollrtn=<optimised out>, pfds=0x7fc2abe88220, num_pfds=5) at ../source3/lib/events.c:257
        pfd = <optimised out>
        flags = <optimised out>
        state = <optimised out>
        pollfd_idx = 0x7fc2abe7ed40
        fde = 0x7fc2abe93a20
        pollrtn = <optimised out>
        num_pfds = 5
        pfds = 0x7fc2abe88220
        ev = 0x7fc2abe7e3a0
#35 0x00007fc2a8667300 in s3_event_loop_once (ev=0x7fc2abe7e3a0, location=<optimised out>) at ../source3/lib/events.c:326
        state = 0x7fc2abe7d0e0
        timeout = 20000
        num_pfds = 5
        poll_errno = 4
#36 0x00007fc2a703f5ed in _tevent_loop_once () from /usr/lib/x86_64-linux-gnu/libtevent.so.0
No symbol table info available.
#37 0x00007fc2aa1dab8b in smbd_parent_loop (parent=<optimised out>, ev_ctx=0x7fc2abe7e3a0) at ../source3/smbd/server.c:943
        ret = <optimised out>
        frame = 0x7fc2abe85420
#38 main (argc=<optimised out>, argv=<optimised out>) at ../source3/smbd/server.c:1577
        is_daemon = <optimised out>
        interactive = <optimised out>
        Fork = false
        no_process_group = 144
        log_stdout = <optimised out>
        ports = 0x0
        profile_level = 0x0
        opt = <optimised out>
        pc = <optimised out>
        print_build_options = 144
        long_options = {{longName = 0x0, shortName = 0 '\000', argInfo = 4, arg = 0x7fc2a7660340 <poptHelpOptions>, val = 0, descrip = 0x7fc2aa1e00f2 "Help options:", 
            argDescrip = 0x0}, {longName = 0x7fc2aa1e0100 "daemon", shortName = 68 'D', argInfo = 0, arg = 0x0, val = 1000, descrip = 0x7fc2aa1e0107 "Become a daemon (default)", 
            argDescrip = 0x0}, {longName = 0x7fc2aa1e0121 "interactive", shortName = 105 'i', argInfo = 0, arg = 0x0, val = 1001, 
            descrip = 0x7fc2aa1e0bf0 "Run interactive (not a daemon)", argDescrip = 0x0}, {longName = 0x7fc2aa1e012d "foreground", shortName = 70 'F', argInfo = 0, arg = 0x0, 
            val = 1002, descrip = 0x7fc2aa1e0c10 "Run daemon in foreground (for daemontools, etc.)", argDescrip = 0x0}, {longName = 0x7fc2aa1e0138 "no-process-group", 
            shortName = 0 '\000', argInfo = 0, arg = 0x0, val = 1003, descrip = 0x7fc2aa1e0c48 "Don't create a new process group", argDescrip = 0x0}, {
            longName = 0x7fc2aa1e0149 "log-stdout", shortName = 83 'S', argInfo = 0, arg = 0x0, val = 1004, descrip = 0x7fc2aa1e0154 "Log to stdout", argDescrip = 0x0}, {
            longName = 0x7fc2aa1e0162 "build-options", shortName = 98 'b', argInfo = 0, arg = 0x0, val = 98, descrip = 0x7fc2aa1e0170 "Print build options", argDescrip = 0x0}, {
            longName = 0x7fc2aa1e0184 "port", shortName = 112 'p', argInfo = 1, arg = 0x7fffa1237270, val = 0, descrip = 0x7fc2aa1e0189 "Listen on the specified ports", 
            argDescrip = 0x0}, {longName = 0x7fc2aa1e01a7 "profiling-level", shortName = 80 'P', argInfo = 1, arg = 0x7fffa1237278, val = 0, 
            descrip = 0x7fc2aa1e01b7 "Set profiling level", argDescrip = 0x7fc2aa1e01cb "PROFILE_LEVEL"}, {longName = 0x0, shortName = 0 '\000', argInfo = 4, 
            arg = 0x7fc2a8cd56e0 <popt_common_samba>, val = 0, descrip = 0x7fc2aa1e01d9 "Common samba options:", argDescrip = 0x0}, {longName = 0x0, shortName = 0 '\000', 
            argInfo = 4, arg = 0x7fc2a8cd4aa0 <popt_common_dynconfig>, val = 0, descrip = 0x7fc2aa1e0c70 "Build-time configuration overrides:", argDescrip = 0x0}, {
            longName = 0x0, shortName = 0 '\000', argInfo = 0, arg = 0x0, val = 0, descrip = 0x0, argDescrip = 0x0}}
        parent = 0x7fc2abe866f0
        frame = <optimised out>
        status = <optimised out>
        ev_ctx = 0x7fc2abe7e3a0
        msg_ctx = 0x7fc2abe7e490
        server_id = {pid = 1437, task_id = 0, vnn = 4294967295, unique_id = 12420853167164585600}
        se = <optimised out>
        np_dir = <optimised out>
        smbd_shim_fns = {cancel_pending_lock_requests_by_fid = 0x7fc2a9752d30 <smbd_cancel_pending_lock_requests_by_fid>, 
          send_stat_cache_delete_message = 0x7fc2a9758830 <smbd_send_stat_cache_delete_message>, change_to_root_user = 0x7fc2a9741d90 <smbd_change_to_root_user>, 
          contend_level2_oplocks_begin = 0x7fc2a979ddb0 <smbd_contend_level2_oplocks_begin>, contend_level2_oplocks_end = 0x7fc2a979df10 <smbd_contend_level2_oplocks_end>, 
          become_root = 0x7fc2a9741e70 <smbd_become_root>, unbecome_root = 0x7fc2a9741ea0 <smbd_unbecome_root>, exit_server = 0x7fc2a9797020 <smbd_exit_server>, 
          exit_server_cleanly = 0x7fc2a9797040 <smbd_exit_server_cleanly>}
        __FUNCTION__ = "main"

** Affects: samba (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1300878

Title:
  panic while renaming file

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