Davide Rossetti wrote:
Fedora Core 3 fully updated
ntp-4.2.0.a.20040617-4
selinux-policy-targeted-1.17.30-2.96
Linux xeone 2.6.11-1.14_FC3smp #1 SMP Thu Apr 7 19:38:19 EDT 2005 i686
i686 i386 GNU/Linux
[root@xeone ~]# strace -f -t /usr/sbin/ntpd -d -n -u ntp:ntp -p
/var/run/ntpd.pid
17:28:54 execve("/usr/sbin/ntpd", ["/usr/sbin/ntpd", "-d", "-n", "-u",
"ntp:ntp", "-p", "/var/run/ntpd.pid"], [/* 34 vars */]) =
0
17:28:54 uname({sys="Linux", node="xeone", ...}) = 0
17:28:54 brk(0) = 0x84fd000
17:28:54 access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file
or directory)
17:28:54 open("/etc/ld.so.cache", O_RDONLY) = 3
....
17:28:54 socket(PF_FILE, SOCK_STREAM, 0) = 9
17:28:54 fcntl64(9, F_GETFL) = 0x2 (flags O_RDWR)
17:28:54 fcntl64(9, F_SETFL, O_RDWR|O_NONBLOCK) = 0
17:28:54 connect(9, {sa_family=AF_FILE, path="/var/run/nscd/socket"},
110) = -1 EACCES (Permission denied)
17:28:54 close(9) = 0
17:28:54 socket(PF_FILE, SOCK_STREAM, 0) = 9
17:28:54 fcntl64(9, F_GETFL) = 0x2 (flags O_RDWR)
17:28:54 fcntl64(9, F_SETFL, O_RDWR|O_NONBLOCK) = 0
17:28:54 connect(9, {sa_family=AF_FILE, path="/var/run/nscd/socket"},
110) = -1 EACCES (Permission denied)
17:28:54 close(9) = 0
17:28:54 --- SIGSEGV (Segmentation fault) @ 0 (0) ---
17:28:54 +++ killed by SIGSEGV +++
the signal is async as I saw it fail in other points as well...
in /var/log/messages I find:
Apr 13 17:28:54 xeone ntpd[15458]: ntpd 4.2.0a@xxxxxxxx Mon Oct 11
09:10:20 EDT 2004 (1)
Apr 13 17:28:54 xeone ntpd[15458]: precision = 66.000 usec
Apr 13 17:28:54 xeone ntpd[15458]: Listening on interface wildcard,
0.0.0.0#123
Apr 13 17:28:54 xeone ntpd[15458]: Listening on interface wildcard,
::#123
Apr 13 17:28:54 xeone ntpd[15458]: Listening on interface lo,
127.0.0.1#123
Apr 13 17:28:54 xeone ntpd[15458]: Listening on interface eth0,
10.0.0.75#123
Apr 13 17:28:54 xeone ntpd[15458]: kernel time sync status 0040
Apr 13 17:28:54 xeone kernel: audit(1113406134.559:0): avc: denied {
write } for pid=15458 exe=/usr/sbin/ntpd name=root dev=dm
-0 ino=1160993 scontext=root:system_r:ntpd_t
tcontext=root:object_r:user_home_dir_t tclass=dir
[root@xeone ~]# df
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/mapper/VolGroup00-LogVol00
15449552 2584572 12080188 18% /
/dev/sda1 256666 30601 212813 13% /boot
none 515232 0 515232 0% /dev/shm
file context of dm inodes are:
[root@xeone ~]# ls -lZ /dev/dm*
brw-r----- root root system_u:object_r:fixed_disk_device_t
/dev/dm-0
brw-r----- root root system_u:object_r:fixed_disk_device_t
/dev/dm-1
This is trying to write to a user_home_dir_t?
What does
ls -laZ /var/run/nscd
show?
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