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From James Peach <>
Subject Re: Review Request 69615: Disable containerizer ptrace attach.
Date Wed, 02 Jan 2019 17:15:02 GMT

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(Updated Jan. 2, 2019, 5:15 p.m.)

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.

Diffs (updated)

  docs/configuration/ 330283f4e3957075dd4310de4a841feac23de36c 
  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 494ae02ab5eb365e2cda5017be573691107c3f28 
  src/slave/flags.cpp 6bac8e1409f04d639204c45eda8a90c098e3dbd0 
  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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