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Bug 274361 - selinux blocks swapon when called from /etc/rc.d/rc.sysinit
selinux blocks swapon when called from /etc/rc.d/rc.sysinit
Product: Fedora
Classification: Fedora
Component: selinux-policy (Show other bugs)
All Linux
medium Severity urgent
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Assigned To: Daniel Walsh
Fedora Extras Quality Assurance
Depends On:
  Show dependency treegraph
Reported: 2007-09-02 04:26 EDT by Bill C. Riemers
Modified: 2008-01-30 14:18 EST (History)
0 users

See Also:
Fixed In Version: Current
Doc Type: Bug Fix
Doc Text:
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Clone Of:
Last Closed: 2008-01-30 14:18:22 EST
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RHEL 7.3 requirements from Atomic Host:
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Description Bill C. Riemers 2007-09-02 04:26:37 EDT
Description of problem:

For the past few weeks, my swap has not been activating when booting.   I
checked the log files, and found the following error:

SELinux: initialized (dev dm-1, type ext3), uses xattr
audit(1188719417.651:4): avc:  denied  { execute } for  pid=1702 comm="swapon"
name="mkswap" dev=dm-2 ino=459103 scontext=system_u:system_r:fsadm_t:s0
tcontext=system_u:object_r:bin_t:s0 tclass=file

Version-Release number of selected component (if applicable):

How reproducible:

Every reboot.

Steps to Reproduce:
I am not sure what initially caused this to start happening.  Once it does
happen, only one thing is need to make it happen again.
1. reboot
2. examine /var/log/dmesg
Actual results:

Boot appears to proceed normally, but after logging in I find my swap partition
has not been activated.  Manually running "sudo swapon -a" works normally.

Expected results:

Swap should be activated at boot without an SELinux error.

Additional info:
Comment 1 Bill C. Riemers 2007-09-02 04:48:13 EDT
After further examination, I think this problem is related to the fact swapon
will automatically call mkswap if the swap device contains hibernate
information.  In other words a policy is needed for swapon to allow it to call
mkswap so swap can be loaded after a failed hibernate restore.

Comment 2 Daniel Walsh 2007-09-04 10:59:27 EDT
Fixed in selinux-policy-2.6.4-41.fc7.src.rpm
Comment 3 Daniel Walsh 2008-01-30 14:18:22 EST
Bulk closing all bugs in Fedora updates in the modified state.  If you bug is
not fixed, please reopen.

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