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[tor-bugs] #20879 [Applications/Tor Browser Sandbox]: Set rlimits in the containers.

#20879: Set rlimits in the containers.
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     Reporter:  yawning                           |      Owner:  yawning
         Type:  enhancement                       |     Status:  new
     Priority:  Medium                            |  Milestone:
    Component:  Applications/Tor Browser Sandbox  |    Version:
     Severity:  Normal                            |   Keywords:
Actual Points:                                    |  Parent ID:
       Points:                                    |   Reviewer:
      Sponsor:                                    |
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 The containers should have rlimits set to prevent runaway resource use,
 though some of these (eg: address space) are tricky and require thought.

 After discussion on IRC, sensible defaults that could be applied to
 everything as a first pass would be something like:

 RLIMIT_STACK: 8192
 RLIMIT_RSS: 0 (No effect as of Linux 2.6.x)
 RLIMIT_CORE: 0
 RLIMIT_NPROC: 512
 RLIMIT_NOFILE: 1024 (512?, lower?)
 RLIMIT_MEMLOCK: 64 (KiB)
 RLIMIT_LOCKS: (check how much firefox/tor uses flock, set to something
 low)
 RLIMIT_SIGPENDING: 64
 RLIMIT_MSGQUEUE: 0 (assuming nothing uses this)
 RLIMIT_NICE: 0
 RLIMIT_RTPRIO: 0
 RLIMIT_RTTIME: 0

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/20879>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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