[RHEL6.1] periodic automount crash in __strcpy_chk from lookup_nss_mount

automount[30476]: segfault at 0 ip 00007fd52a7324a0 sp 00007fd52bbf48e8 error 4 in libc-2.12.so[7fd52a635000+187000]

Program terminated with signal 11, Segmentation fault.
#0  __strcpy_chk () at ../sysdeps/x86_64/strcpy_chk.S:71
71              movq    (%rsi), %rax    /* Read double word (8 bytes).  */
(gdb) backtrace
#0  __strcpy_chk () at ../sysdeps/x86_64/strcpy_chk.S:71
#1  0x00007fd5283a0881 in strcpy (ap=<value optimized out>, name=<value optimized out>, 
    name_len=<value optimized out>, context=<value optimized out>) at /usr/include/bits/string3.h:107
#2  lookup_mount (ap=<value optimized out>, name=<value optimized out>, name_len=<value optimized out>, 
    context=<value optimized out>) at lookup_ldap.c:2915
#3  0x00007fd52bc44922 in lookup_nss_mount (ap=0x7fd52de8a200, source=0x0, name=0x7fd52bbf5e50 "software", name_len=8)
    at lookup.c:897
#4  0x00007fd52bc3d390 in do_mount_indirect (arg=<value optimized out>) at indirect.c:813
#5  0x00007fd52b7f87e1 in start_thread (arg=0x7fd52bbf8700) at pthread_create.c:301
#6  0x00007fd52a71b8ed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Jul  1 09:45:53 linux automount[6071]: key "foobar5.1" not found in map source(s).
Jul  1 09:47:20 linux automount[6071]: key "foobar5.1" not found in map source(s).
Jul  1 10:43:36 linux snmpd[6253]: Connection from UDP: [10.33.137.5]:35089->[10.33.137.255] REFUSED
Jul  1 11:28:41 linux automount[6071]: key ".svn" not found in map source(s).
Jul  1 13:10:32 linux automount[6071]: key "desktop.ini" not found in map source(s).
Jul  1 13:10:32 linux automount[6071]: key "*" not found in map source(s).
Jul  1 13:10:52 linux kernel: __ratelimit: 9 callbacks suppressed
Jul  1 13:10:52 linux kernel: automount[9853]: segfault at 0 ip 00007f950122b4a0 sp 00007f943fcf88e8 error 4 in libc-2.12.so[7f950112e000+187000]