[Bug 593603] Re: automount segfault if get_query_dn fails

2011-01-24 Thread Hugh Warrington
+1 to comment #7. If 'dmesg fills with segfaults and my machine becomes
practically unusable' is low priority, I shudder to think what is high.

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Title:
  automount segfault if get_query_dn fails

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[Bug 593603] Re: automount segfault if get_query_dn fails

2011-01-24 Thread Rob Shinn
** Description changed:

  Binary package hint: autofs5
  
  # lsb_release -rd
  Description:  Ubuntu 10.04 LTS
  Release:  10.04
  
  # apt-cache policy autofs5
  autofs5:
-   Installed: 5.0.4-3.1ubuntu5
-   Candidate: 5.0.4-3.1ubuntu5
-   Version table:
-  *** 5.0.4-3.1ubuntu5 0
- 500 http://gb.archive.ubuntu.com/ubuntu/ lucid/main Packages
- 100 /var/lib/dpkg/status
+   Installed: 5.0.4-3.1ubuntu5
+   Candidate: 5.0.4-3.1ubuntu5
+   Version table:
+  *** 5.0.4-3.1ubuntu5 0
+ 500 http://gb.archive.ubuntu.com/ubuntu/ lucid/main Packages
+ 100 /var/lib/dpkg/status
  
  Possibly related to
  https://bugs.launchpad.net/ubuntu/+source/autofs5/+bug/512595.
  
  After upgrading 9.04 - 10.04, my automounts from LDAP no longer appear.
  Instead, I get the following in dmesg at the rate of one per second:
  
  [   62.189700] automount[5011]: segfault at 0 ip 7f956cb1c022 sp 
7fff3cd1a978 error 4 in libc-2.11.1.so[7f956ca99000+178000]
  [   63.301490] automount[5023]: segfault at 0 ip 7f2de5007022 sp 
7fff33695618 error 4 in libc-2.11.1.so[7f2de4f84000+178000]
  [   64.328963] automount[5038]: segfault at 0 ip 7fdc5f4b4022 sp 
7fffb09a47a8 error 4 in libc-2.11.1.so[7fdc5f431000+178000]
  ...
  
  I guess something is trying to repeatedly respawn automount. Here's a
  couple of pointers for anyone trying to debug (sensitive info turned to
  *):
  
  # automount -dvf
  Starting automounter version 5.0.4, master map /etc/auto.master
  using kernel protocol version 5.01
  lookup_nss_read_master: reading master file /etc/auto.master
  parse_init: parse(sun): init gathered global options: (null)
  lookup_read_master: lookup(file): read entry +auto.master
  lookup_nss_read_master: reading master ldap auto.master
  parse_server_string: lookup(ldap): Attempting to parse LDAP information from 
string auto.master.
  parse_server_string: lookup(ldap): mapname auto.master
  parse_ldap_config: lookup(ldap): ldap authentication configured with the 
following options:
  parse_ldap_config: lookup(ldap): use_tls: 0, tls_required: 0, auth_required: 
1, sasl_mech: (null)
  parse_ldap_config: lookup(ldap): user: (null), secret: unspecified, client 
principal: (null) credential cache: (null)
  find_server: trying server uri ldap://*
  do_bind: lookup(ldap): auth_required: 1, sasl_mech (null)
  do_bind: lookup(ldap): ldap anonymous bind returned 0
  get_query_dn: lookup(ldap): check search base list
  get_query_dn: lookup(ldap): query failed for search dn 
ou=aufo.master,ou=autofs,dc=*,dc=*,dc=com: No such object
  Segmentation fault (core dumped)
  
  # strace automount -f 21 | tail -n20
  poll([{fd=7, events=POLLIN|POLLPRI|POLLERR|POLLHUP}], 1, -1) = 1 ([{fd=7, 
revents=POLLIN}])
  read(7, 0\f\2\1\1a\7\n, 8)= 8
  read(7, \1\0\4\0\4\0, 6)  = 6
  open(/etc/default/autofs, O_RDONLY)   = 8
  fcntl(8, F_SETFD, FD_CLOEXEC)   = 0
  fstat(8, {st_mode=S_IFREG|0644, st_size=3708, ...}) = 0
  mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 
0x7fb316bc6000
  read(8, #\n# Define default options for a..., 4096) = 3708
  read(8, , 4096)   = 0
  close(8)= 0
  munmap(0x7fb316bc6000, 4096)= 0
  write(7, 0\201\203\2\1\2c~\0045ou=aufo.master,ou=auto..., 134) = 134
  poll([{fd=7, events=POLLIN|POLLPRI|POLLERR|POLLHUP}], 1, -1) = 1 ([{fd=7, 
revents=POLLIN}])
  read(7, 02\2\1\2e-\n, 8)  = 8
  read(7, \1 \4ou=autofs,dc=*,dc=ac..., 44) = 44
  write(2, get_query_dn: lookup(ldap): quer..., 124get_query_dn: 
lookup(ldap): query failed for search dn 
ou=aufo.master,ou=autofs,dc=*,dc=*,dc=com: No such object) = 124
  write(2, \n, 1
  )   = 1
  --- SIGSEGV (Segmentation fault) @ 0 (0) ---
  +++ killed by SIGSEGV (core dumped) +++

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https://bugs.launchpad.net/bugs/593603

Title:
  automount segfault if get_query_dn fails

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[Bug 593603] Re: automount segfault if get_query_dn fails

2011-01-24 Thread Rob Shinn
This bug was fixed in RHEL 5.5 as part of RHBA-2009:1468, why is this
still not fixed in Ubuntu 10.04, nearly 2 years later?
http://docs.redhat.com/docs/en-
US/Red_Hat_Enterprise_Linux/5/html/5.5_Technical_Notes/autofs.html

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Title:
  automount segfault if get_query_dn fails

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[Bug 593603] Re: automount segfault if get_query_dn fails

2010-09-13 Thread Chuck Short
Thanks for the information, I should have enough to look at properly.
chuck

** Changed in: autofs5 (Ubuntu)
   Status: Incomplete = Confirmed

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automount segfault if get_query_dn fails
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[Bug 593603] Re: automount segfault if get_query_dn fails

2010-08-25 Thread Chuck Short
Thanks what does your nsswitch.conf look like?

chuck

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automount segfault if get_query_dn fails
https://bugs.launchpad.net/bugs/593603
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[Bug 593603] Re: automount segfault if get_query_dn fails

2010-06-30 Thread Chuck Short
Thank you for taking the time to report this bug and helping to make
Ubuntu better. Please try to obtain a backtrace following the
instructions at http://wiki.ubuntu.com/DebuggingProgramCrash  and upload
the backtrace (as an attachment) to the bug report. This will greatly
help us in tracking down your problem.

** Changed in: autofs5 (Ubuntu)
   Importance: Undecided = Low

** Changed in: autofs5 (Ubuntu)
   Status: New = Incomplete

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automount segfault if get_query_dn fails
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