Public bug reported:
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
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 00007f956cb1c022 sp
00007fff3cd1a978 error 4 in libc-2.11.1.so[7f956ca99000+178000]
[ 63.301490] automount[5023]: segfault at 0 ip 00007f2de5007022 sp
00007fff33695618 error 4 in libc-2.11.1.so[7f2de4f84000+178000]
[ 64.328963] automount[5038]: segfault at 0 ip 00007fdc5f4b4022 sp
00007fffb09a47a8 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 2>&1 | 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 \4&ou=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) +++
** Affects: autofs5 (Ubuntu)
Importance: Undecided
Status: New
--
automount segfault on start (ldap, nfs4)
https://bugs.launchpad.net/bugs/593603
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