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From James Peach <>
Subject Review Request 69615: Disable containerizer ptrace attach.
Date Fri, 21 Dec 2018 05:20:01 GMT

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Review request for mesos, Xudong Ni, Gilbert Song, Jie Yu, and Jiang Yan Xu.

Bugs: MESOS-9349

Repository: mesos


Use `prctl(PR_SET_DUMPABLE)` to disable the ability to attach to
the containerizer process(es) on Linux systems. This prevents
unprivileged containerized processes from reading information
about the containerizer process(es) from `/proc`. This gives an
additional layer of protection against leaking information to
untrusted container processes.


  docs/configuration/ 7a8df6852dc2af174a6c5a552dca88fa1b1c29f3 
  src/launcher/executor.cpp f962e800f23d5582b1bc04a263253893492a5054 
  src/slave/containerizer/mesos/containerizer.cpp a5cf2da55c046c5c45e0c2ca3400f64de12de62b

  src/slave/containerizer/mesos/launch.hpp 0a6394d56321948ad760ac69c05456319a254842 
  src/slave/containerizer/mesos/launch.cpp 2f1c9e7a8748c9d7eab25bc8567ca68308e680f9 
  src/slave/flags.hpp 29d8b7985ffde57da02b5fe0d3a524e98acc27c8 
  src/slave/flags.cpp ccaf65029ec2d0e78041fc3992a0bf5ca0798686 
  src/slave/slave.cpp ad3b693a716cf6103345a157bf28dd60a7b07d32 
  src/tests/containerizer/mesos_containerizer_tests.cpp 449928c10b897061642af8ad267f8b70695940e6

  src/tests/slave_tests.cpp 4aed5d68e9a408821880ffaede482937be1999f4 



make check (Fedora 29)


James Peach

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