** Package changed: evince (Ubuntu) => apparmor (Ubuntu)
** Changed in: apparmor (Ubuntu)
Status: Confirmed => Triaged
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https://bugs.launchpad.net/bugs/1229066
Title:
evince-thumbnailer can't run mktexpk
Status in “apparmor” package in Ubuntu:
Triaged
Bug description:
On Ubuntu 12.04, when running /usr/bin/evince-thumbnailer on a .dvi
file that references a font for which there is no PK file on the
system yet, AppArmor blocks the execution of
/usr/share/texmf/web2c/mktexnam etc. Here are sample audit log
messages:
[ 5720.378549] type=1400 audit(1379921624.784:28): apparmor="DENIED"
operation="exec" parent=6181
profile="/usr/bin/evince-thumbnailer//sanitized_helper"
name="/usr/share/texmf/web2c/mktexnam" pid=6204 comm="mktexpk"
requested_mask="x" denied_mask="x" fsuid=1000 ouid=0
[ 5720.384833] type=1400 audit(1379921624.788:29): apparmor="DENIED"
operation="exec" parent=6181
profile="/usr/bin/evince-thumbnailer//sanitized_helper"
name="/usr/share/texmf/web2c/mktexupd" pid=6209 comm="mktexpk"
requested_mask="x" denied_mask="x" fsuid=1000 ouid=0
I suspect this is because the sanitized_helper profile in
/etc/apparmor.d/abstractions/ubuntu-helpers only covers /bin, /sbin, /usr/bin
and /usr/sbin, not /usr/share/texmf/web2c . I'm not sure whether this bug
should be filed against apparmor, evince or texlive-binaries; I can think of at
least three ways of addressing the issue:
1) add "/usr/share/texmf/web2c/* Pixr" to the sanitized_helper profile;
2) modify the profile for /usr/bin/evince-thumbnailer to use something other
than sanitized_helper;
3) provide a separate AppArmor profile for the /usr/bin/mktexpk wrapper (and
its siblings).
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