Public bug reported:

Binary package hint: cupsys

When I run cupsd in a Xen dom0 VM (linux-image-2.6.22-13-xen:
2.6.22-13.40, xen-hypervisor-3.1: 3.1.0-0ubuntu16, cupsys:
1.3.2-1ubuntu5), cupsd crashes at startup because of Apparmor profile
problems on Xen-friendly TLS libraries:

Oct  7 18:34:34 localhost kernel: [ 4247.112264] audit(1191778474.564:93):  
type=1503 operation="inode_permission" requested_mask="r" denied_mask="r" 
name="/lib/tls/i686/nosegneg/libpthread-2.6.1.so" pid=24842 
profile="/usr/sbin/cupsd"
Oct  7 18:34:34 localhost kernel: [ 4247.113455] audit(1191778474.564:94):  
type=1503 operation="inode_permission" requested_mask="r" denied_mask="r" 
name="/lib/tls/i686/nosegneg/libc-2.6.1.so" pid=24842 profile="/usr/sbin/cupsd"
Oct  7 18:34:34 localhost kernel: [ 4247.117169] audit(1191778474.568:95):  
type=1503 operation="inode_permission" requested_mask="r" denied_mask="r" 
name="/lib/tls/i686/nosegneg/libnsl-2.6.1.so" pid=24842 
profile="/usr/sbin/cupsd"
Oct  7 18:34:34 localhost kernel: [ 4247.118140] audit(1191778474.568:96):  
type=1503 operation="inode_permission" requested_mask="r" denied_mask="r" 
name="/lib/tls/i686/nosegneg/libresolv-2.6.1.so" pid=24842 
profile="/usr/sbin/cupsd"
Oct  7 18:34:34 localhost kernel: [ 4247.119107] audit(1191778474.568:97):  
type=1503 operation="inode_permission" requested_mask="r" denied_mask="r" 
name="/lib/tls/i686/nosegneg/libdl-2.6.1.so" pid=24842 profile="/usr/sbin/cupsd"
Oct  7 18:34:34 localhost kernel: [ 4247.120725] audit(1191778474.572:98):  
type=1503 operation="inode_permission" requested_mask="r" denied_mask="r" 
name="/lib/tls/i686/nosegneg/libcrypt-2.6.1.so" pid=24842 
profile="/usr/sbin/cupsd"
Oct  7 18:34:34 localhost kernel: [ 4247.122042] audit(1191778474.572:99):  
type=1503 operation="inode_permission" requested_mask="r" denied_mask="r" 
name="/lib/tls/i686/nosegneg/libm-2.6.1.so" pid=24842 profile="/usr/sbin/cupsd"
Oct  7 18:34:34 localhost kernel: [ 4247.130941] audit(1191778474.580:100):  
type=1503 operation="inode_permission" requested_mask="r" denied_mask="r" 
name="/lib/tls/i686/nosegneg/libnss_files-2.6.1.so" pid=24843 
profile="/usr/sbin/cupsd"
Oct  7 18:34:34 localhost kernel: [ 4247.133410] audit(1191778474.584:101):  
type=1503 operation="inode_permission" requested_mask="r" denied_mask="r" 
name="/lib/tls/i686/nosegneg/libnss_compat-2.6.1.so" pid=24843 
profile="/usr/sbin/cupsd"
Oct  7 18:34:34 localhost kernel: [ 4247.134716] audit(1191778474.584:102):  
type=1503 operation="inode_permission" requested_mask="r" denied_mask="r" 
name="/lib/tls/i686/nosegneg/libnss_nis-2.6.1.so" pid=24843 
profile="/usr/sbin/cupsd"

I resolved this by adding
 /lib/tls/** rm,
to /etc/apparmor.d/usr.sbin.cupsd

** Affects: cupsys (Ubuntu)
     Importance: Undecided
         Status: New

** Description changed:

  Binary package hint: cupsys
  
  When I run cupsd in a Xen dom0 VM (linux-image-2.6.22-13-xen:
  2.6.22-13.40, xen-hypervisor-3.1: 3.1.0-0ubuntu16, cupsys:
- 1.3.2-1ubuntu5), I cupsd crashes at startup because of Apparmor profile
+ 1.3.2-1ubuntu5), cupsd crashes at startup because of Apparmor profile
  problems on Xen-friendly TLS libraries:
  
  Oct  7 18:34:34 localhost kernel: [ 4247.112264] audit(1191778474.564:93):  
type=1503 operation="inode_permission" requested_mask="r" denied_mask="r" 
name="/lib/tls/i686/nosegneg/libpthread-2.6.1.so" pid=24842 
profile="/usr/sbin/cupsd"
  Oct  7 18:34:34 localhost kernel: [ 4247.113455] audit(1191778474.564:94):  
type=1503 operation="inode_permission" requested_mask="r" denied_mask="r" 
name="/lib/tls/i686/nosegneg/libc-2.6.1.so" pid=24842 profile="/usr/sbin/cupsd"
  Oct  7 18:34:34 localhost kernel: [ 4247.117169] audit(1191778474.568:95):  
type=1503 operation="inode_permission" requested_mask="r" denied_mask="r" 
name="/lib/tls/i686/nosegneg/libnsl-2.6.1.so" pid=24842 
profile="/usr/sbin/cupsd"
  Oct  7 18:34:34 localhost kernel: [ 4247.118140] audit(1191778474.568:96):  
type=1503 operation="inode_permission" requested_mask="r" denied_mask="r" 
name="/lib/tls/i686/nosegneg/libresolv-2.6.1.so" pid=24842 
profile="/usr/sbin/cupsd"
  Oct  7 18:34:34 localhost kernel: [ 4247.119107] audit(1191778474.568:97):  
type=1503 operation="inode_permission" requested_mask="r" denied_mask="r" 
name="/lib/tls/i686/nosegneg/libdl-2.6.1.so" pid=24842 profile="/usr/sbin/cupsd"
  Oct  7 18:34:34 localhost kernel: [ 4247.120725] audit(1191778474.572:98):  
type=1503 operation="inode_permission" requested_mask="r" denied_mask="r" 
name="/lib/tls/i686/nosegneg/libcrypt-2.6.1.so" pid=24842 
profile="/usr/sbin/cupsd"
  Oct  7 18:34:34 localhost kernel: [ 4247.122042] audit(1191778474.572:99):  
type=1503 operation="inode_permission" requested_mask="r" denied_mask="r" 
name="/lib/tls/i686/nosegneg/libm-2.6.1.so" pid=24842 profile="/usr/sbin/cupsd"
  Oct  7 18:34:34 localhost kernel: [ 4247.130941] audit(1191778474.580:100):  
type=1503 operation="inode_permission" requested_mask="r" denied_mask="r" 
name="/lib/tls/i686/nosegneg/libnss_files-2.6.1.so" pid=24843 
profile="/usr/sbin/cupsd"
  Oct  7 18:34:34 localhost kernel: [ 4247.133410] audit(1191778474.584:101):  
type=1503 operation="inode_permission" requested_mask="r" denied_mask="r" 
name="/lib/tls/i686/nosegneg/libnss_compat-2.6.1.so" pid=24843 
profile="/usr/sbin/cupsd"
  Oct  7 18:34:34 localhost kernel: [ 4247.134716] audit(1191778474.584:102):  
type=1503 operation="inode_permission" requested_mask="r" denied_mask="r" 
name="/lib/tls/i686/nosegneg/libnss_nis-2.6.1.so" pid=24843 
profile="/usr/sbin/cupsd"
  
  I resolved this by adding
   /lib/tls/** rm,
  to /etc/apparmor.d/usr.sbin.cupsd

-- 
apparmor profile problems under Xen
https://bugs.launchpad.net/bugs/150282
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