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Description of problem:
This BZ is related to #886038

sssd doesn't properly close fds from helper processes like krb5_child:

# ls /proc/*/fd -l| grep deleted
l-wx------. 1 root root 64 Jun  3 10:13 18 -> /var/log/sssd/krb5_child.log-20150512 (deleted)

ssd debug_log_file is opened with open_debug_file_ex(..., bool want_cloexec):

[...]

(want_cloexec) {
         flags = fcntl(debug_fd, F_GETFD, 0);
         (void) fcntl(debug_fd, F_SETFD, flags | FD_CLOEXEC);
     }

(from util/debug.c)

This is not the case for LDAP_CHILD_LOG_FILE and KRB5_CHILD_LOG_FILE:

$ grep -iR CHILD_LOG_FILE providers/
providers/krb5/krb5_init_shared.c:        ret = open_debug_file_ex(KRB5_CHILD_LOG_FILE, &debug_filep, false);
providers/ldap/sdap_child_helpers.c:        ret = open_debug_file_ex(LDAP_CHILD_LOG_FILE, &debug_filep, false);


Version-Release number of selected component (if applicable):
sssd-1.11.6-30.el6_6.3.x86_64                               

How reproducible:


Steps to Reproduce:
1.
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Actual results:


Expected results:


Additional info:

Upstream ticket:
https://fedorahosted.org/sssd/ticket/2679

The associated customer case was closed, so it's better to fix minor issues like this upstream first.