Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: cups (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1088467
Title:
cupsd: pam_ecryptfs: Error adding passphrase key token to user session
keyring; rc = [-5]
Status in “cups” package in Ubuntu:
Confirmed
Bug description:
Ubuntu 12.04, using the CUPS HTTP administration console from a user
account with encrypted home, shows this series of errors repeatedly
when doing many job control operations:
=== /var/log/auth.log ===
Dec 10 13:07:30 XPSm1530 cupsd[18772]: pam_ecryptfs: Passphrase file wrapped
Dec 10 13:07:30 XPSm1530 cupsd[18772]: Error attempting to open
[/home/tj/.ecryptfs/wrapped-passphrase] for reading
Dec 10 13:07:30 XPSm1530 cupsd[18772]: Error attempting to unwrap passphrase
from file [/home/tj/.ecryptfs/wrapped-passphrase]; rc = [-5]
Dec 10 13:07:30 XPSm1530 cupsd[18772]: pam_ecryptfs: Error adding passphrase
key token to user session keyring; rc = [-5]
=== /var/log/syslog ===
Dec 10 13:07:24 XPSm1530 kernel: [123850.373668] type=1400
audit(1355144844.810:89): apparmor="DENIED" operation="open" parent=1
profile="/usr/sbin/cupsd" name="/home/.ecryptfs/tj/.ecryptfs/Private.mnt"
pid=18268 comm="cupsd" requested_mask="r" denied_mask="r" fsuid=0 ouid=1000
Dec 10 13:07:25 XPSm1530 kernel: [123850.739593] type=1400
audit(1355144845.174:90): apparmor="DENIED" operation="open" parent=18268
profile="/usr/sbin/cupsd"
name="/home/.ecryptfs/tj/.ecryptfs/wrapped-passphrase" pid=18770 comm="cupsd"
requested_mask="r" denied_mask="r" fsuid=1000 ouid=1000
Dec 10 13:07:30 XPSm1530 kernel: [123856.057963] type=1400
audit(1355144850.494:91): apparmor="DENIED" operation="open" parent=1
profile="/usr/sbin/cupsd" name="/home/.ecryptfs/tj/.ecryptfs/Private.mnt"
pid=18268 comm="cupsd" requested_mask="r" denied_mask="r" fsuid=0 ouid=1000
Dec 10 13:07:30 XPSm1530 kernel: [123856.435397] type=1400
audit(1355144850.870:92): apparmor="DENIED" operation="open" parent=18268
profile="/usr/sbin/cupsd"
name="/home/.ecryptfs/tj/.ecryptfs/wrapped-passphrase" pid=18772 comm="cupsd"
requested_mask="r" denied_mask="r" fsuid=1000 ouid=1000
Which suggests that cupsd is trying to run some process(es) as the current
user and failing the log-in due to the apparmor profile. The user is currently
logged in when this occurs so the home directory is already unencrypted.
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