I don't think we have such a capability right now in snapd. If you
locally modify the snap-confine profile, it will be rewritten on at
least core refreshes (and reboots as well if I'm not mistaken), so it
sounds like we need some mechanism to specify additional rules to be
included in the snap-confine profile.
** Changed in: snapd (Ubuntu)
Status: New => Triaged
** Changed in: snapd (Ubuntu)
Importance: Undecided => Medium
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https://bugs.launchpad.net/bugs/1571531
Title:
cupsd cause apparmor denials for /etc/ld.so.preload
Status in apparmor package in Ubuntu:
New
Status in snapd package in Ubuntu:
Triaged
Bug description:
There is a constant flood of messages in dmesg:
[ 4431.638163] audit: type=1400 audit(1460962510.272:60): apparmor="DENIED"
operation="open" profile="/usr/sbin/cupsd" name="/etc/ld.so.preload" pid=10559
comm="cupsd" requested_mask="r" denied_mask="r" fsuid=0 ouid=0
[ 4431.661208] audit: type=1400 audit(1460962510.296:61): apparmor="DENIED"
operation="open" profile="/usr/sbin/cupsd" name="/etc/ld.so.preload" pid=10564
comm="cups-exec" requested_mask="r" denied_mask="r" fsuid=0 ouid=0
[ 4431.661390] audit: type=1400 audit(1460962510.296:62): apparmor="DENIED"
operation="open" profile="/usr/sbin/cupsd" name="/etc/ld.so.preload" pid=10565
comm="cups-exec" requested_mask="r" denied_mask="r" fsuid=0 ouid=0
[ 4431.661759] audit: type=1400 audit(1460962510.296:63): apparmor="DENIED"
operation="open" profile="/usr/sbin/cupsd" name="/etc/ld.so.preload" pid=10564
comm="dbus" requested_mask="r" denied_mask="r" fsuid=7 ouid=0
[ 4431.661936] audit: type=1400 audit(1460962510.296:64): apparmor="DENIED"
operation="open" profile="/usr/sbin/cupsd" name="/etc/ld.so.preload" pid=10566
comm="cups-exec" requested_mask="r" denied_mask="r" fsuid=0 ouid=0
[ 4431.661937] audit: type=1400 audit(1460962510.296:65): apparmor="DENIED"
operation="open" profile="/usr/sbin/cupsd" name="/etc/ld.so.preload" pid=10565
comm="dbus" requested_mask="r" denied_mask="r" fsuid=7 ouid=0
[ 4431.662534] audit: type=1400 audit(1460962510.296:66): apparmor="DENIED"
operation="open" profile="/usr/sbin/cupsd" name="/etc/ld.so.preload" pid=10566
comm="dbus" requested_mask="r" denied_mask="r" fsuid=7 ouid=0
[ 5081.410342] audit: type=1400 audit(1460963160.033:67): apparmor="DENIED"
operation="open" profile="/usr/sbin/cupsd" name="/etc/ld.so.preload" pid=10810
comm="cupsd" requested_mask="r" denied_mask="r" fsuid=0 ouid=0
[ 5081.446507] audit: type=1400 audit(1460963160.069:68): apparmor="DENIED"
operation="open" profile="/usr/sbin/cupsd" name="/etc/ld.so.preload" pid=10815
comm="cups-exec" requested_mask="r" denied_mask="r" fsuid=0 ouid=0
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: cups-daemon 2.1.3-4
ProcVersionSignature: Ubuntu 4.4.0-18.34-generic 4.4.6
Uname: Linux 4.4.0-18-generic x86_64
ApportVersion: 2.20.1-0ubuntu2
Architecture: amd64
CupsErrorLog:
CurrentDesktop: X-Cinnamon
Date: Mon Apr 18 10:56:37 2016
EcryptfsInUse: Yes
InstallationDate: Installed on 2013-07-19 (1003 days ago)
InstallationMedia: Xubuntu 13.04 "Raring Ringtail" - Release i386 (20130423.1)
Lpstat: device for Generic-PCL-5e: socket://192.168.1.100:9100
MachineType: LENOVO 4298R86
Papersize: a4
PpdFiles: Error: command ['fgrep', '-H', '*NickName',
'/etc/cups/ppd/Generic-PCL-5e.ppd'] failed with exit code 2: grep:
/etc/cups/ppd/Generic-PCL-5e.ppd: Permission denied
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-18-generic
root=UUID=3d4ce850-6e8a-4cf5-9b82-fb135c22fe1e ro
SourcePackage: cups
UpgradeStatus: Upgraded to xenial on 2015-10-29 (171 days ago)
dmi.bios.date: 12/01/2011
dmi.bios.vendor: LENOVO
dmi.bios.version: 8DET56WW (1.26 )
dmi.board.asset.tag: Not Available
dmi.board.name: 4298R86
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias:
dmi:bvnLENOVO:bvr8DET56WW(1.26):bd12/01/2011:svnLENOVO:pn4298R86:pvrThinkPadX220Tablet:rvnLENOVO:rn4298R86:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 4298R86
dmi.product.version: ThinkPad X220 Tablet
dmi.sys.vendor: LENOVO
modified.conffile..etc.default.cups:
# Cups configure options
# LOAD_LP_MODULE: enable/disable to load "lp" parallel printer driver module
# LOAD_LP_MODULE has migrated to /etc/modules-load.d/cups-filters.conf
# LOAD_LP_MODULE=yes
mtime.conffile..etc.default.cups: 2014-03-12T15:11:15.740184
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