Correctly added a bug task for ntp to also be affected.
Dropping Artful (EOL)
** Also affects: ntp (Ubuntu)
Importance: Undecided
Status: New
** No longer affects: apparmor (Ubuntu Yakkety)
** Changed in: apparmor (Ubuntu Xenial)
Status: New => Triaged
** Changed in: ntp (Ubuntu)
Status: New => Confirmed
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Matching subscriptions: Ubuntu 16.04 Bugs
https://bugs.launchpad.net/bugs/1670408
Title:
apparmor base abstraction needs backport of rev 3658 to fix several
denies (tor, ntp, ...)
Status in apparmor package in Ubuntu:
Fix Released
Status in ntp package in Ubuntu:
Confirmed
Status in tor package in Ubuntu:
Invalid
Status in apparmor source package in Xenial:
Triaged
Bug description:
Using tor 0.2.9.9-1ubuntu1 with Linux 4.10.0-9-generic on Zesty, tor
fails to start after installing the tor package. "systemctl status
tor@default" reports:
Mar 06 16:04:00 zesty systemd[1]: tor@default.service: Main process exited,
code=killed, status=11/SEGV
Mar 06 16:04:00 zesty systemd[1]: Failed to start Anonymizing overlay network
for TCP.
Mar 06 16:04:00 zesty systemd[1]: tor@default.service: Unit entered failed
state.
Mar 06 16:04:00 zesty systemd[1]: tor@default.service: Failed with result
'signal'.
There are two AppArmor denials in the kernel log:
Mar 6 15:53:12 zesty-test kernel: [ 102.699647] audit: type=1400
audit(1488815592.268:35): apparmor="DENIED" operation="file_inherit"
namespace="root//lxd-zesty_<var-lib-lxd>" profile="system_tor"
name="/run/systemd/journal/stdout" pid=3520 comm="tor"
requested_mask="wr" denied_mask="wr" fsuid=100000 ouid=100000
Mar 6 15:53:12 zesty-test kernel: [ 102.702418] audit: type=1400
audit(1488815592.272:37): apparmor="DENIED" operation="file_mmap"
namespace="root//lxd-zesty_<var-lib-lxd>" profile="system_tor"
name="/usr/bin/tor" pid=3520 comm="tor" requested_mask="m"
denied_mask="m" fsuid=100000 ouid=100000
Workaround: add the following two lines to /etc/apparmor.d/system_tor:
/usr/bin/tor m,
/run/systemd/journal/stdout rw,
I couldn't remember how to that that profile reloaded, so I rebooted,
and after the reboot tor does start up successfully. "systemctl
tor@default" reports it as running.
I haven't checked to see if only one or other rule is actually
required.
Importance -> High since this bug makes the package unusable in its
default configuration on Zesty. Since the AppArmor profile comes from
Debian's 0.2.9.9-1, this should probably be fixed in Debian.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/apparmor/+bug/1670408/+subscriptions
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