Description of problem:
[root@mini ~]# ybin 
/sbin/ybin: line 818: /bin/mount: Permission denied

type=SELINUX_ERR msg=audit(1210878509.793:602): security_compute_sid:  invalid
context unconfined_u:unconfined_r:mount_t:s0-s0:c0.c1023 for
scontext=unconfined_u:unconfined_r:bootloader_t:s0-s0:c0.c1023
tcontext=system_u:object_r:mount_exec_t:s0 tclass=process
type=SYSCALL msg=audit(1210878509.793:602): arch=14 syscall=11 success=no
exit=-13 a0=1012b638 a1=10104058 a2=100f14b8 a3=0 items=0 ppid=12082 pid=12216
auid=500 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=pts2 ses=2
comm="ybin" exe="/bin/bash"
subj=unconfined_u:unconfined_r:bootloader_t:s0-s0:c0.c1023 key=(null)