From: Marcin Giedz on
Ruud Baart napisa?(a):
> We upgraded several servers to samba version 3.0.23d. On a few sites
> there are messages as shown below. The reason for this message is that
> a workstation want to use a share as administrator. This account does not
> exist in a local tdb file. That is correct because we use LDAP as backend.
> In the LDAP an account administrator exists but it is not available for this
> domain (SID does not match).
>

THE same panic I have in 3.0.23c and d ..... with LDAP...in my case if
machine SID does not match witch domain SID during registration into
domain ....this error occuries .... I created bug report for this error:
4227 <https://bugzilla.samba.org/show_bug.cgi?id=4227>

Marcin
> It seems to me that, although our administrator account is not logic and
> not as expected, there is no reason for this panic. The account is just
> invalid, nothing more then that.
>
> pdb_get_group_sid: Failed to find Unix account for Administrator
> [2006/11/22 09:52:08, 0] smbd/sec_ctx.c:push_sec_ctx(194)
> Security context stack overflow!
> [2006/11/22 09:52:08, 0] lib/util.c:smb_panic(1599)
> PANIC (pid 19575): Security context stack overflow!
>
> [2006/11/22 09:52:08, 0] lib/util.c:log_stack_trace(1706)
> BACKTRACE: 64 stack frames:
> #0 /usr/sbin/smbd(log_stack_trace+0x23) [0x822d683]
> #1 /usr/sbin/smbd(smb_panic+0x48) [0x822d508]
> #2 /usr/sbin/smbd(push_sec_ctx+0x1cc) [0x80da3dc]
> #3 /usr/sbin/smbd(become_root+0xb) [0x80d0e4b]
> #4 /usr/sbin/smbd [0x81ee10f]
> #5 /usr/sbin/smbd [0x81edbd0]
> #6 /usr/sbin/smbd(pdb_sid_to_id+0x29) [0x81ed1a9]
> #7 /usr/sbin/smbd(sid_to_gid+0x189) [0x81f2509]
> #8 /usr/sbin/smbd(pdb_set_group_sid+0x5f) [0x81e610f]
> #9 /usr/sbin/smbd(pdb_set_group_sid_from_rid+0x73) [0x81efa13]
> #10 /usr/sbin/smbd(init_sam_from_buffer_v3+0x750) [0x81e9550]
> #11 /usr/sbin/smbd(pdb_copy_sam_account+0x56) [0x81ea446]
> #12 /usr/sbin/smbd(pdb_getsampwsid+0xb0) [0x81eb840]
> #13 /usr/sbin/smbd [0x81ee11b]
> #14 /usr/sbin/smbd [0x81edbd0]
> #15 /usr/sbin/smbd(pdb_sid_to_id+0x29) [0x81ed1a9]
> #16 /usr/sbin/smbd(sid_to_gid+0x189) [0x81f2509]
> #17 /usr/sbin/smbd(pdb_set_group_sid+0x5f) [0x81e610f]
> #18 /usr/sbin/smbd(pdb_set_group_sid_from_rid+0x73) [0x81efa13]
> #19 /usr/sbin/smbd(init_sam_from_buffer_v3+0x750) [0x81e9550]
> #20 /usr/sbin/smbd(pdb_copy_sam_account+0x56) [0x81ea446]
> #21 /usr/sbin/smbd(pdb_getsampwsid+0xb0) [0x81eb840]
> #22 /usr/sbin/smbd [0x81ee11b]
> #23 /usr/sbin/smbd [0x81edbd0]
> #24 /usr/sbin/smbd(pdb_sid_to_id+0x29) [0x81ed1a9]
> #25 /usr/sbin/smbd(sid_to_gid+0x189) [0x81f2509]
> #26 /usr/sbin/smbd(pdb_set_group_sid+0x5f) [0x81e610f]
> #27 /usr/sbin/smbd(pdb_set_group_sid_from_rid+0x73) [0x81efa13]
> #28 /usr/sbin/smbd(init_sam_from_buffer_v3+0x750) [0x81e9550]
> #29 /usr/sbin/smbd(pdb_copy_sam_account+0x56) [0x81ea446]
> #30 /usr/sbin/smbd(pdb_getsampwsid+0xb0) [0x81eb840]
> #31 /usr/sbin/smbd [0x81ee11b]
> #32 /usr/sbin/smbd [0x81edbd0]
> #33 /usr/sbin/smbd(pdb_sid_to_id+0x29) [0x81ed1a9]
> #34 /usr/sbin/smbd(sid_to_gid+0x189) [0x81f2509]
> #35 /usr/sbin/smbd(pdb_set_group_sid+0x5f) [0x81e610f]
> #36 /usr/sbin/smbd(pdb_set_group_sid_from_rid+0x73) [0x81efa13]
> #37 /usr/sbin/smbd(init_sam_from_buffer_v3+0x750) [0x81e9550]
> #38 /usr/sbin/smbd(pdb_copy_sam_account+0x56) [0x81ea446]
> #39 /usr/sbin/smbd(pdb_getsampwsid+0xb0) [0x81eb840]
> #40 /usr/sbin/smbd [0x81ee11b]
> #41 /usr/sbin/smbd [0x81edbd0]
> #42 /usr/sbin/smbd(pdb_sid_to_id+0x29) [0x81ed1a9]
> #43 /usr/sbin/smbd(sid_to_gid+0x189) [0x81f2509]
> #44 /usr/sbin/smbd(pdb_set_group_sid+0x5f) [0x81e610f]
> #45 /usr/sbin/smbd(pdb_set_group_sid_from_rid+0x73) [0x81efa13]
> #46 /usr/sbin/smbd(init_sam_from_buffer_v3+0x750) [0x81e9550]
> #47 /usr/sbin/smbd(pdb_copy_sam_account+0x56) [0x81ea446]
> #48 /usr/sbin/smbd(pdb_getsampwsid+0xb0) [0x81eb840]
> #49 /usr/sbin/smbd [0x81ee11b]
> #50 /usr/sbin/smbd [0x81edbd0]
> #51 /usr/sbin/smbd(pdb_sid_to_id+0x29) [0x81ed1a9]
> #52 /usr/sbin/smbd(sid_to_gid+0x189) [0x81f2509]
> #53 /usr/sbin/smbd(pdb_set_group_sid+0x5f) [0x81e610f]
> #54 /usr/sbin/smbd(pdb_set_group_sid_from_rid+0x73) [0x81efa13]
> #55 /usr/sbin/smbd(init_sam_from_buffer_v3+0x750) [0x81e9550]
> #56 /usr/sbin/smbd(pdb_copy_sam_account+0x56) [0x81ea446]
> #57 /usr/sbin/smbd(pdb_getsampwsid+0xb0) [0x81eb840]
> #58 /usr/sbin/smbd [0x81ee11b]
> #59 /usr/sbin/smbd [0x81edbd0]
> #60 /usr/sbin/smbd(pdb_sid_to_id+0x29) [0x81ed1a9]
> #61 /usr/sbin/smbd(sid_to_gid+0x189) [0x81f2509]
> #62 /usr/sbin/smbd(pdb_set_group_sid+0x5f) [0x81e610f]
> #63 /usr/sbin/smbd(pdb_set_group_sid_from_rid+0x73) [0x81efa13]
>
> Regards,
> Ruud Baart
>
>

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