[apparmor] Apparmor chromium complaints

Mark Ballard markjballard at googlemail.com
Mon Jun 15 12:51:34 UTC 2015


Apparmor is set in complain mode, out-of-the-box, for Google Chromium.

It has given me 8 complaints, mostly for write requests.

It wants me to tell it what to do. But I feel more inclined to answer with
a question: WTF?!

It wants write access to: gid_map, setgroups, uid_map,
And read access to: stat, ptrace_scope, and tcp_fastopen

It made for 3 requests (bizarrely) for write permission to gid_map.

I told it Yes in all cases. Was this wise? Or should I have said no? If it
was wise, why bother me with it in the first place?

Profile:  /usr/lib/chromium-browser/chromium-browser
Path:     /proc/10203/gid_map
Mode:     w
Severity: 9

Profile:  /usr/lib/chromium-browser/chromium-browser
Path:     /proc/10203/gid_map
Mode:     w
Severity: 9

Profile:  /usr/lib/chromium-browser/chromium-browser
Path:     /proc/10203/gid_map
Mode:     w
Severity: 9

Profile:  /usr/lib/chromium-browser/chromium-browser
Path:     /proc/10203/setgroups
Mode:     w
Severity: 9

Profile:  /usr/lib/chromium-browser/chromium-browser
Path:     /proc/10203/uid_map
Mode:     w
Severity: 9

Profile:  /usr/lib/chromium-browser/chromium-browser
Path:     /proc/10534/stat
Mode:     r
Severity: 6

Profile:  /usr/lib/chromium-browser/chromium-browser
Path:     /proc/sys/kernel/yama/ptrace_scope
Mode:     r
Severity: 6

Profile:  /usr/lib/chromium-browser/chromium-browser
Path:     /proc/sys/net/ipv4/tcp_fastopen
Mode:     r
Severity: 6
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