[Samba] smb_panic

[Marcin Giedz]

Ruud Baart napisał(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
>
>