The file ctl.sh was installed by Trac+svn binary package from Bitnami.org.
It looks ok.
Text below created by selinux:

~~~
Summary:

SELinux is preventing /bin/bash from making the program stack executable.

Detailed Description:

[SELinux is in permissive mode. This access was not denied.]

......

Fix Command:

chcon -t execmem_exec_t '/bin/bash'

Additional Information:

Source Context                unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1
                              023
Target Context                unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1
                              023
Target Objects                None [ process ]
Source                        ctl.sh
Source Path                   /bin/bash
Port                          <Unknown>
Host                          (removed)
Source RPM Packages           bash-4.1.7-3.fc14
Target RPM Packages           
Policy RPM                    selinux-policy-3.9.7-37.fc14
Selinux Enabled               True
Policy Type                   targeted
Enforcing Mode                Permissive
Plugin Name                   allow_execstack
Host Name                     (removed)
Platform                      Linux devpc4.vmw 2.6.35.6-45.fc14.i686 #1 SMP Mon
                              Oct 18 23:56:17 UTC 2010 i686 i686
Alert Count                   4
First Seen                    Thu 07 Apr 2011 04:40:07 AM IDT
Last Seen                     Thu 07 Apr 2011 05:03:58 AM IDT
Local ID                      11591499-00e0-45b4-88ba-653491238a8c
Line Numbers                  

Raw Audit Messages            

node=devpc4.vmw type=AVC msg=audit(1302141838.650:23): avc:  denied  { execstack } for  pid=2322 comm="ctl.sh" scontext=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 tcontext=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 tclass=process

node=devpc4.vmw type=SYSCALL msg=audit(1302141838.650:23): arch=40000003 syscall=125 success=yes exit=0 a0=bfb47000 a1=1000 a2=1000007 a3=bfb47150 items=0 ppid=2316 pid=2322 auid=500 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=pts0 ses=1 comm="ctl.sh" exe="/bin/bash" subj=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 key=(null)

~~~end~~~


Hash String generated from  allow_execstack,ctl.sh,unconfined_t,unconfined_t,process,execstack
audit2allow suggests:

#============= unconfined_t ==============
#!!!! This avc can be allowed using the boolean 'allow_execstack'

allow unconfined_t self:process execstack;