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samba-users: [Samba] smbd PANIC starting PAM

[Samba] smbd PANIC starting PAM

From: Robert W. Smith <rwsmith_at_nospam>
Date: Thu Aug 26 2010 - 02:03:05 GMT
To: samba@lists.samba.org

Happened to be tail'ing <machine>.log during a login session from XP
client and notice the PANIC in the output. Login proceeded as usual(?)
so the following snippet of the log is just informational to the
developers. Let me know if you need additional info.
Bob
--bs

[2010/08/25 21:34:21.689597, 4] auth/pampass.c:472(smb_pam_start)
  smb_pam_start: PAM: Init user: rwsmith
[2010/08/25 21:34:21.697488, 4] auth/pampass.c:489(smb_pam_start)
  smb_pam_start: PAM: setting rhost to: ::ffff:192.168.1.163
[2010/08/25 21:34:21.697629, 4] auth/pampass.c:498(smb_pam_start)
  smb_pam_start: PAM: setting tty
[2010/08/25 21:34:21.697701, 4] auth/pampass.c:506(smb_pam_start)
  smb_pam_start: PAM: Init passed for user: rwsmith
[2010/08/25 21:34:21.697770, 4]
auth/pampass.c:643(smb_internal_pam_session)
  smb_internal_pam_session: PAM: tty set to: smb/12630/100
smbd: pam_mount.c:417: modify_pm_count: Assertion `user != ((void *)0)'
failed.
[2010/08/25 21:34:21.698897, 0] lib/fault.c:46(fault_report)
  ===============================================================
[2010/08/25 21:34:21.699240, 0] lib/fault.c:47(fault_report)
  INTERNAL ERROR: Signal 6 in pid 12630 (3.5.4-63.fc13)
  Please read the Trouble-Shooting section of the Samba3-HOWTO
[2010/08/25 21:34:21.699508, 0] lib/fault.c:49(fault_report)
  
  From: http://www.samba.org/samba/docs/Samba3-HOWTO.pdf
[2010/08/25 21:34:21.699766, 0] lib/fault.c:50(fault_report)
  ===============================================================
[2010/08/25 21:34:21.699928, 0] lib/util.c:1465(smb_panic)
  PANIC (pid 12630): internal error
[2010/08/25 21:34:21.705390, 0] lib/util.c:1569(log_stack_trace)
  BACKTRACE: 29 stack frames:
   #0 smbd(log_stack_trace+0x2e) [0x8e4b4e]
   #1 smbd(smb_panic+0x2e) [0x8e4c6e]
   #2 smbd(+0x36f2cf) [0x8d22cf]
   #3 [0x130400]
   #4 [0x130424]
   #5 /lib/libc.so.6(gsignal+0x51) [0xf7fd11]
   #6 /lib/libc.so.6(abort+0x17a) [0xf815ea]
   #7 /lib/libc.so.6(__assert_fail+0xf8) [0xf78d98]
   #8 /lib/security/pam_mount.so(+0x7a8e) [0x10e8a8e]
   #9 /lib/security/pam_mount.so(pam_sm_close_session+0xf2) [0x10e8fe2]
   #10 /lib/libpam.so.0(+0x241f) [0x2ef41f]
   #11 /lib/libpam.so.0(pam_close_session+0x44) [0x2f39f4]
   #12 smbd(+0x3e6a68) [0x949a68]
   #13 smbd(smb_pam_close_session+0xb0) [0x949bd0]
   #14 smbd(session_yield+0xf7) [0x616157]
   #15 smbd(invalidate_vuid+0x41) [0x61cc41]
   #16 smbd(reply_ulogoffX+0x64) [0x643a24]
   #17 smbd(+0x12ac46) [0x68dc46]
   #18 smbd(+0x12b023) [0x68e023]
   #19 smbd(+0x12b5f4) [0x68e5f4]
   #20 smbd(run_events+0x1c1) [0x8f63c1]
   #21 smbd(smbd_process+0xabb) [0x68d07b]
   #22 smbd(+0x6df605) [0xc42605]
   #23 smbd(run_events+0x1c1) [0x8f63c1]
   #24 smbd(+0x39369f) [0x8f669f]
   #25 smbd(_tevent_loop_once+0x98) [0x8f6ce8]
   #26 smbd(main+0xdaa) [0xc4361a]
   #27 /lib/libc.so.6(__libc_start_main+0xe6) [0xf6bcc6]
   #28 smbd(+0x9d3a1) [0x6003a1]
[2010/08/25 21:34:21.708222, 0] lib/fault.c:326(dump_core)
  dumping core in /var/log/samba/cores/smbd
[2010/08/25 21:34:25.081070, 3] smbd/process.c:1485(process_smb)
  Transaction 0 of length 137 (0 toread)
[2010/08/25 21:34:25.081239, 3] smbd/process.c:1294(switch_message)
  switch message SMBnegprot (pid 12634) conn 0x0
[2010/08/25 21:34:25.081319, 3] smbd/sec_ctx.c:310(set_sec_ctx)
  setting sec ctx (0, 0) - sec_ctx_stack_ndx = 0
[2010/08/25 21:34:25.081433, 3] smbd/negprot.c:586(reply_negprot)
  Requested protocol [PC NETWORK PROGRAM 1.0]
[2010/08/25 21:34:25.081508, 3] smbd/negprot.c:586(reply_negprot)
  Requested protocol [LANMAN1.0]
[2010/08/25 21:34:25.081579, 3] smbd/negprot.c:586(reply_negprot)
  Requested protocol [Windows for Workgroups 3.1a]
[2010/08/25 21:34:25.081649, 3] smbd/negprot.c:586(reply_negprot)
  Requested protocol [LM1.2X002]
[2010/08/25 21:34:25.081719, 3] smbd/negprot.c:586(reply_negprot)
  Requested protocol [LANMAN2.1]
[2010/08/25 21:34:25.081788, 3] smbd/negprot.c:586(reply_negprot)
  Requested protocol [NT LM 0.12]
[2010/08/25 21:34:25.082252, 3] smbd/negprot.c:404(reply_nt1)
  using SPNEGO
[2010/08/25 21:34:25.082344, 3] smbd/negprot.c:691(reply_negprot)
  Selected protocol NT LM 0.12

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