udzura/ruby-criu

A libcriu wrapper for CRuby

criu.gem

A libcriu wrapper for CRuby

Installation

Add this line to your application's Gemfile:

gem 'criu'

And then execute:

$ bundle

Or install it yourself as:

$ gem install criu

Required platform

Linux only.

Required package

libcriu (bundled with criu package in many case)

Usage

CRIU.new(
  images_dir: '/tmp/process_dump'
)
CRIU.target_pid = 123
CRIU.dump

or

CRIU.new(
  images_dir: '/tmp/process_dump'
)
CRIU.restore

Development

After checking out the repo, run bin/setup to install dependencies. You can also run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and tags, and push the .gem file to rubygems.org.

Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/udzura/criu. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the Contributor Covenant code of conduct.

License

The gem is available as open source under the terms of the MIT License.

Code of Conduct

Everyone interacting in the Criu project’s codebases, issue trackers, chat rooms and mailing lists is expected to follow the code of conduct.

ruby-criu's Issues

CRIU.images_dir= segv

CRIU.images_dir= causes segmentation fault
on debian sid, criu 3.8.1-1, ruby 2.6.1.

debian@b6dd20c28c9f% bundle exec ruby -ve '
require "criu"
CRIU.images_dir = "/tmp/process_dump"
'
ruby 2.6.1p33 (2019-01-30 revision 66950) [x86_64-linux]
/home/debian/a/vendor/bundle/ruby/2.6.0/gems/criu-0.0.1/lib/criu.rb:11: [BUG] Segmentation fault at 0x0000000000000000
ruby 2.6.1p33 (2019-01-30 revision 66950) [x86_64-linux]

-- Control frame information -----------------------------------------------
c:0004 p:---- s:0017 e:000016 CFUNC  :_set_images_dir_fd
c:0003 p:0027 s:0012 e:000011 METHOD /home/debian/a/vendor/bundle/ruby/2.6.0/gems/criu-0.0.1/lib/criu.rb:11
c:0002 p:0022 s:0007 e:000005 EVAL   -e:3 [FINISH]
c:0001 p:0000 s:0003 E:000860 (none) [FINISH]

-- Ruby level backtrace information ----------------------------------------
-e:3:in `<main>'
/home/debian/a/vendor/bundle/ruby/2.6.0/gems/criu-0.0.1/lib/criu.rb:11:in `images_dir='
/home/debian/a/vendor/bundle/ruby/2.6.0/gems/criu-0.0.1/lib/criu.rb:11:in `_set_images_dir_fd'

-- Machine register context ------------------------------------------------
 RIP: 0x00007f0c6e66b580 RBP: 0x0000561265543738 RSP: 0x00007fff9e1d5f58
 RAX: 0x0000000000000007 RBX: 0x000000000000000f RCX: 0x00007f0c70915078
 RDX: 0x0000000000000007 RDI: 0x0000000000000000 RSI: 0x0000000000000007
  R8: 0x0000000000000001  R9: 0x0000000000000000 R10: 0x0000000000000000
 R11: 0x00007f0c6e66b580 R12: 0x00007f0c70a14f68 R13: 0x00005612658b9a20
 R14: 0x00005612657e7d70 R15: 0x0000561265560400 EFL: 0x0000000000010202

-- C level backtrace information -------------------------------------------
/opt/rbenv/versions/2.6.1/bin/ruby(rb_vm_bugreport+0x554) [0x561264eda1c4] vm_dump.c:715
[0x561264ed01c8]
/opt/rbenv/versions/2.6.1/bin/ruby(sigsegv+0x42) [0x561264db6312] signal.c:998
/lib/x86_64-linux-gnu/libpthread.so.0(__restore_rt+0x0) [0x7f0c712236e0]
/usr/lib/x86_64-linux-gnu/libcriu.so.1(criu_local_set_images_dir_fd+0x0) [0x7f0c6e66b580]
/home/debian/a/vendor/bundle/ruby/2.6.0/gems/criu-0.0.1/lib/criu/criu.so(rb_criu_set_images_dir_fd+0x18) [0x7f0c6e87b318] criu.c:21
[0x561264e264eb]
[0x561264e2ff3c]
/opt/rbenv/versions/2.6.1/bin/ruby(vm_call_method+0x55) [0x561264e305f5] vm_insnhelper.c:2369
[0x561264e36903]
[0x561264e2ed28]
/opt/rbenv/versions/2.6.1/bin/ruby(ruby_exec_internal+0xd3) [0x561264ca9f83] eval.c:261
/opt/rbenv/versions/2.6.1/bin/ruby(ruby_exec_node+0x11) [0x561264cadccb] eval.c:325
/opt/rbenv/versions/2.6.1/bin/ruby(ruby_run_node) eval.c:317
/opt/rbenv/versions/2.6.1/bin/ruby(main+0x5b) [0x561264ca9cab] ./main.c:42

-- Other runtime information -----------------------------------------------

* Loaded script: -e

* Loaded features:

    0 enumerator.so
    1 thread.rb
    2 rational.so
    3 complex.so
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  130 /opt/rbenv/versions/2.6.1/lib/ruby/gems/2.6.0/gems/bundler-2.0.1/lib/bundler/runtime.rb
  131 /opt/rbenv/versions/2.6.1/lib/ruby/gems/2.6.0/gems/bundler-2.0.1/lib/bundler/dep_proxy.rb
  132 /opt/rbenv/versions/2.6.1/lib/ruby/gems/2.6.0/gems/bundler-2.0.1/lib/bundler/ui.rb
  133 /opt/rbenv/versions/2.6.1/lib/ruby/gems/2.6.0/gems/bundler-2.0.1/lib/bundler/ui/silent.rb
  134 /opt/rbenv/versions/2.6.1/lib/ruby/gems/2.6.0/gems/bundler-2.0.1/lib/bundler/ui/rg_proxy.rb
  135 /opt/rbenv/versions/2.6.1/lib/ruby/gems/2.6.0/gems/bundler-2.0.1/lib/bundler/remote_specification.rb
  136 /opt/rbenv/versions/2.6.1/lib/ruby/gems/2.6.0/gems/bundler-2.0.1/lib/bundler/stub_specification.rb
  137 /opt/rbenv/versions/2.6.1/lib/ruby/gems/2.6.0/gems/bundler-2.0.1/lib/bundler/endpoint_specification.rb
  138 /opt/rbenv/versions/2.6.1/lib/ruby/gems/2.6.0/gems/bundler-2.0.1/lib/bundler/ruby_version.rb
  139 /opt/rbenv/versions/2.6.1/lib/ruby/gems/2.6.0/gems/bundler-2.0.1/lib/bundler/setup.rb
  140 /home/debian/a/vendor/bundle/ruby/2.6.0/gems/criu-0.0.1/lib/criu/version.rb
  141 /home/debian/a/vendor/bundle/ruby/2.6.0/gems/criu-0.0.1/lib/criu/criu.so
  142 /home/debian/a/vendor/bundle/ruby/2.6.0/gems/criu-0.0.1/lib/criu.rb

* Process memory map:

561264c83000-561264ca6000 r--p 00000000 00:2c 40756386                   /opt/rbenv/versions/2.6.1/bin/ruby
561264ca6000-561264ee2000 r-xp 00023000 00:2c 40756386                   /opt/rbenv/versions/2.6.1/bin/ruby
561264ee2000-561264fc6000 r--p 0025f000 00:2c 40756386                   /opt/rbenv/versions/2.6.1/bin/ruby
561264fc7000-561264fcc000 r--p 00343000 00:2c 40756386                   /opt/rbenv/versions/2.6.1/bin/ruby
561264fcc000-561264fcd000 rw-p 00348000 00:2c 40756386                   /opt/rbenv/versions/2.6.1/bin/ruby
561264fcd000-561264fde000 rw-p 00000000 00:00 0 
561265167000-561265a0e000 rw-p 00000000 00:00 0                          [heap]
7f0c6cf11000-7f0c6d0cf000 r--s 00000000 00:2c 39262713                   /lib/x86_64-linux-gnu/libc-2.28.so
7f0c6d0cf000-7f0c6d0e2000 r--s 00000000 00:2c 41104450                   /home/debian/a/vendor/bundle/ruby/2.6.0/gems/criu-0.0.1/lib/criu/criu.so
7f0c6d0e2000-7f0c6d0f3000 r--s 00000000 00:2c 41102620                   /usr/lib/x86_64-linux-gnu/libcriu.so.1.0
7f0c6d0f3000-7f0c6d117000 r--s 00000000 00:2c 39262774                   /lib/x86_64-linux-gnu/libpthread-2.28.so
7f0c6d117000-7f0c6e63e000 r--s 00000000 00:2c 40756386                   /opt/rbenv/versions/2.6.1/bin/ruby
7f0c6e63e000-7f0c6e641000 r--p 00000000 00:2c 39262731                   /lib/x86_64-linux-gnu/libgcc_s.so.1
7f0c6e641000-7f0c6e652000 r-xp 00003000 00:2c 39262731                   /lib/x86_64-linux-gnu/libgcc_s.so.1
7f0c6e652000-7f0c6e655000 r--p 00014000 00:2c 39262731                   /lib/x86_64-linux-gnu/libgcc_s.so.1
7f0c6e655000-7f0c6e656000 ---p 00017000 00:2c 39262731                   /lib/x86_64-linux-gnu/libgcc_s.so.1
7f0c6e656000-7f0c6e657000 r--p 00017000 00:2c 39262731                   /lib/x86_64-linux-gnu/libgcc_s.so.1
7f0c6e657000-7f0c6e658000 rw-p 00018000 00:2c 39262731                   /lib/x86_64-linux-gnu/libgcc_s.so.1
7f0c6e658000-7f0c6e659000 r--p 00000000 00:2c 41102468                   /usr/lib/x86_64-linux-gnu/libprotobuf-c.so.1.0.0
7f0c6e659000-7f0c6e65f000 r-xp 00001000 00:2c 41102468                   /usr/lib/x86_64-linux-gnu/libprotobuf-c.so.1.0.0
7f0c6e65f000-7f0c6e660000 r--p 00007000 00:2c 41102468                   /usr/lib/x86_64-linux-gnu/libprotobuf-c.so.1.0.0
7f0c6e660000-7f0c6e661000 ---p 00008000 00:2c 41102468                   /usr/lib/x86_64-linux-gnu/libprotobuf-c.so.1.0.0
7f0c6e661000-7f0c6e662000 r--p 00008000 00:2c 41102468                   /usr/lib/x86_64-linux-gnu/libprotobuf-c.so.1.0.0
7f0c6e662000-7f0c6e663000 rw-p 00009000 00:2c 41102468                   /usr/lib/x86_64-linux-gnu/libprotobuf-c.so.1.0.0
7f0c6e663000-7f0c6e670000 r-xp 00000000 00:2c 41102620                   /usr/lib/x86_64-linux-gnu/libcriu.so.1.0
7f0c6e670000-7f0c6e870000 ---p 0000d000 00:2c 41102620                   /usr/lib/x86_64-linux-gnu/libcriu.so.1.0
7f0c6e870000-7f0c6e873000 r--p 0000d000 00:2c 41102620                   /usr/lib/x86_64-linux-gnu/libcriu.so.1.0
7f0c6e873000-7f0c6e874000 rw-p 00010000 00:2c 41102620                   /usr/lib/x86_64-linux-gnu/libcriu.so.1.0
7f0c6e87a000-7f0c6e87b000 r--p 00000000 00:2c 41104450                   /home/debian/a/vendor/bundle/ruby/2.6.0/gems/criu-0.0.1/lib/criu/criu.so
7f0c6e87b000-7f0c6e87c000 r-xp 00001000 00:2c 41104450                   /home/debian/a/vendor/bundle/ruby/2.6.0/gems/criu-0.0.1/lib/criu/criu.so
7f0c6e87c000-7f0c6e87d000 r--p 00002000 00:2c 41104450                   /home/debian/a/vendor/bundle/ruby/2.6.0/gems/criu-0.0.1/lib/criu/criu.so
7f0c6e87d000-7f0c6e87e000 r--p 00002000 00:2c 41104450                   /home/debian/a/vendor/bundle/ruby/2.6.0/gems/criu-0.0.1/lib/criu/criu.so
7f0c6e87e000-7f0c6e87f000 rw-p 00003000 00:2c 41104450                   /home/debian/a/vendor/bundle/ruby/2.6.0/gems/criu-0.0.1/lib/criu/criu.so
7f0c6e87f000-7f0c6e881000 r--p 00000000 00:2c 40757626                   /opt/rbenv/versions/2.6.1/lib/ruby/2.6.0/x86_64-linux/etc.so
7f0c6e881000-7f0c6e884000 r-xp 00002000 00:2c 40757626                   /opt/rbenv/versions/2.6.1/lib/ruby/2.6.0/x86_64-linux/etc.so
7f0c6e884000-7f0c6e886000 r--p 00005000 00:2c 40757626                   /opt/rbenv/versions/2.6.1/lib/ruby/2.6.0/x86_64-linux/etc.so
7f0c6e886000-7f0c6e887000 r--p 00006000 00:2c 40757626                   /opt/rbenv/versions/2.6.1/lib/ruby/2.6.0/x86_64-linux/etc.so
7f0c6e887000-7f0c6e888000 rw-p 00007000 00:2c 40757626                   /opt/rbenv/versions/2.6.1/lib/ruby/2.6.0/x86_64-linux/etc.so
7f0c6e888000-7f0c6e8e9000 rw-p 00000000 00:00 0 
7f0c6e8e9000-7f0c6e8eb000 r--p 00000000 00:2c 40757642                   /opt/rbenv/versions/2.6.1/lib/ruby/2.6.0/x86_64-linux/pathname.so
7f0c6e8eb000-7f0c6e8f0000 r-xp 00002000 00:2c 40757642                   /opt/rbenv/versions/2.6.1/lib/ruby/2.6.0/x86_64-linux/pathname.so
7f0c6e8f0000-7f0c6e8f2000 r--p 00007000 00:2c 40757642                   /opt/rbenv/versions/2.6.1/lib/ruby/2.6.0/x86_64-linux/pathname.so
7f0c6e8f2000-7f0c6e8f3000 r--p 00008000 00:2c 40757642                   /opt/rbenv/versions/2.6.1/lib/ruby/2.6.0/x86_64-linux/pathname.so
7f0c6e8f3000-7f0c6e8f4000 rw-p 00009000 00:2c 40757642                   /opt/rbenv/versions/2.6.1/lib/ruby/2.6.0/x86_64-linux/pathname.so
7f0c6e8f4000-7f0c6e8f6000 r--p 00000000 00:2c 40757654                   /opt/rbenv/versions/2.6.1/lib/ruby/2.6.0/x86_64-linux/stringio.so
7f0c6e8f6000-7f0c6e8fb000 r-xp 00002000 00:2c 40757654                   /opt/rbenv/versions/2.6.1/lib/ruby/2.6.0/x86_64-linux/stringio.so
7f0c6e8fb000-7f0c6e8fd000 r--p 00007000 00:2c 40757654                   /opt/rbenv/versions/2.6.1/lib/ruby/2.6.0/x86_64-linux/stringio.so
7f0c6e8fd000-7f0c6e8fe000 r--p 00008000 00:2c 40757654                   /opt/rbenv/versions/2.6.1/lib/ruby/2.6.0/x86_64-linux/stringio.so
7f0c6e8fe000-7f0c6e8ff000 rw-p 00009000 00:2c 40757654                   /opt/rbenv/versions/2.6.1/lib/ruby/2.6.0/x86_64-linux/stringio.so
7f0c6e8ff000-7f0c6e900000 r--p 00000000 00:2c 40757612                   /opt/rbenv/versions/2.6.1/lib/ruby/2.6.0/x86_64-linux/enc/trans/transdb.so
7f0c6e900000-7f0c6e902000 r-xp 00001000 00:2c 40757612                   /opt/rbenv/versions/2.6.1/lib/ruby/2.6.0/x86_64-linux/enc/trans/transdb.so
7f0c6e902000-7f0c6e903000 r--p 00003000 00:2c 40757612                   /opt/rbenv/versions/2.6.1/lib/ruby/2.6.0/x86_64-linux/enc/trans/transdb.so
7f0c6e903000-7f0c6e904000 r--p 00003000 00:2c 40757612                   /opt/rbenv/versions/2.6.1/lib/ruby/2.6.0/x86_64-linux/enc/trans/transdb.so
7f0c6e904000-7f0c6e905000 rw-p 00004000 00:2c 40757612                   /opt/rbenv/versions/2.6.1/lib/ruby/2.6.0/x86_64-linux/enc/trans/transdb.so
7f0c6e905000-7f0c6e90c000 r--s 00000000 00:2c 39263469                   /usr/lib/x86_64-linux-gnu/gconv/gconv-modules.cache
7f0c6e90c000-7f0c70a16000 rw-p 00000000 00:00 0 
7f0c70a16000-7f0c70dfc000 r--p 00000000 00:2c 40448809                   /usr/lib/locale/locale-archive
7f0c70dfc000-7f0c70dff000 rw-p 00000000 00:00 0 
7f0c70dff000-7f0c70e21000 r--p 00000000 00:2c 39262713                   /lib/x86_64-linux-gnu/libc-2.28.so
7f0c70e21000-7f0c70f69000 r-xp 00022000 00:2c 39262713                   /lib/x86_64-linux-gnu/libc-2.28.so
7f0c70f69000-7f0c70fb5000 r--p 0016a000 00:2c 39262713                   /lib/x86_64-linux-gnu/libc-2.28.so
7f0c70fb5000-7f0c70fb6000 ---p 001b6000 00:2c 39262713                   /lib/x86_64-linux-gnu/libc-2.28.so
7f0c70fb6000-7f0c70fba000 r--p 001b6000 00:2c 39262713                   /lib/x86_64-linux-gnu/libc-2.28.so
7f0c70fba000-7f0c70fbc000 rw-p 001ba000 00:2c 39262713                   /lib/x86_64-linux-gnu/libc-2.28.so
7f0c70fbc000-7f0c70fc0000 rw-p 00000000 00:00 0 
7f0c70fc0000-7f0c70fcd000 r--p 00000000 00:2c 39262740                   /lib/x86_64-linux-gnu/libm-2.28.so
7f0c70fcd000-7f0c7106c000 r-xp 0000d000 00:2c 39262740                   /lib/x86_64-linux-gnu/libm-2.28.so
7f0c7106c000-7f0c71141000 r--p 000ac000 00:2c 39262740                   /lib/x86_64-linux-gnu/libm-2.28.so
7f0c71141000-7f0c71142000 r--p 00180000 00:2c 39262740                   /lib/x86_64-linux-gnu/libm-2.28.so
7f0c71142000-7f0c71143000 rw-p 00181000 00:2c 39262740                   /lib/x86_64-linux-gnu/libm-2.28.so
7f0c71143000-7f0c71145000 rw-p 00000000 00:00 0 
7f0c71145000-7f0c71146000 r--p 00000000 00:2c 39262721                   /lib/x86_64-linux-gnu/libcrypt-2.28.so
7f0c71146000-7f0c7114c000 r-xp 00001000 00:2c 39262721                   /lib/x86_64-linux-gnu/libcrypt-2.28.so
7f0c7114c000-7f0c7114e000 r--p 00007000 00:2c 39262721                   /lib/x86_64-linux-gnu/libcrypt-2.28.so
7f0c7114e000-7f0c7114f000 ---p 00009000 00:2c 39262721                   /lib/x86_64-linux-gnu/libcrypt-2.28.so
7f0c7114f000-7f0c71150000 r--p 00009000 00:2c 39262721                   /lib/x86_64-linux-gnu/libcrypt-2.28.so
7f0c71150000-7f0c71151000 rw-p 0000a000 00:2c 39262721                   /lib/x86_64-linux-gnu/libcrypt-2.28.so
7f0c71151000-7f0c7117f000 rw-p 00000000 00:00 0 
7f0c7117f000-7f0c71180000 r--p 00000000 00:2c 39262723                   /lib/x86_64-linux-gnu/libdl-2.28.so
7f0c71180000-7f0c71181000 r-xp 00001000 00:2c 39262723                   /lib/x86_64-linux-gnu/libdl-2.28.so
7f0c71181000-7f0c71182000 r--p 00002000 00:2c 39262723                   /lib/x86_64-linux-gnu/libdl-2.28.so
7f0c71182000-7f0c71183000 r--p 00002000 00:2c 39262723                   /lib/x86_64-linux-gnu/libdl-2.28.so
7f0c71183000-7f0c71184000 rw-p 00003000 00:2c 39262723                   /lib/x86_64-linux-gnu/libdl-2.28.so
7f0c71184000-7f0c7118f000 r--p 00000000 00:2c 39263494                   /usr/lib/x86_64-linux-gnu/libgmp.so.10.3.2
7f0c7118f000-7f0c711ed000 r-xp 0000b000 00:2c 39263494                   /usr/lib/x86_64-linux-gnu/libgmp.so.10.3.2
7f0c711ed000-7f0c71204000 r--p 00069000 00:2c 39263494                   /usr/lib/x86_64-linux-gnu/libgmp.so.10.3.2
7f0c71204000-7f0c71205000 ---p 00080000 00:2c 39263494                   /usr/lib/x86_64-linux-gnu/libgmp.so.10.3.2
7f0c71205000-7f0c71206000 r--p 00080000 00:2c 39263494                   /usr/lib/x86_64-linux-gnu/libgmp.so.10.3.2
7f0c71206000-7f0c71207000 rw-p 00081000 00:2c 39263494                   /usr/lib/x86_64-linux-gnu/libgmp.so.10.3.2
7f0c71207000-7f0c71209000 r--p 00000000 00:2c 39262778                   /lib/x86_64-linux-gnu/librt-2.28.so
7f0c71209000-7f0c7120d000 r-xp 00002000 00:2c 39262778                   /lib/x86_64-linux-gnu/librt-2.28.so
7f0c7120d000-7f0c7120f000 r--p 00006000 00:2c 39262778                   /lib/x86_64-linux-gnu/librt-2.28.so
7f0c7120f000-7f0c71210000 r--p 00007000 00:2c 39262778                   /lib/x86_64-linux-gnu/librt-2.28.so
7f0c71210000-7f0c71211000 rw-p 00008000 00:2c 39262778                   /lib/x86_64-linux-gnu/librt-2.28.so
7f0c71211000-7f0c71217000 r--p 00000000 00:2c 39262774                   /lib/x86_64-linux-gnu/libpthread-2.28.so
7f0c71217000-7f0c71226000 r-xp 00006000 00:2c 39262774                   /lib/x86_64-linux-gnu/libpthread-2.28.so
7f0c71226000-7f0c7122c000 r--p 00015000 00:2c 39262774                   /lib/x86_64-linux-gnu/libpthread-2.28.so
7f0c7122c000-7f0c7122d000 r--p 0001a000 00:2c 39262774                   /lib/x86_64-linux-gnu/libpthread-2.28.so
7f0c7122d000-7f0c7122e000 rw-p 0001b000 00:2c 39262774                   /lib/x86_64-linux-gnu/libpthread-2.28.so
7f0c7122e000-7f0c71232000 rw-p 00000000 00:00 0 
7f0c71232000-7f0c7124e000 r-xp 00000000 00:2c 39262799                   /lib/x86_64-linux-gnu/libz.so.1.2.11
7f0c7124e000-7f0c7144e000 ---p 0001c000 00:2c 39262799                   /lib/x86_64-linux-gnu/libz.so.1.2.11
7f0c7144e000-7f0c7144f000 r--p 0001c000 00:2c 39262799                   /lib/x86_64-linux-gnu/libz.so.1.2.11
7f0c7144f000-7f0c71450000 rw-p 0001d000 00:2c 39262799                   /lib/x86_64-linux-gnu/libz.so.1.2.11
7f0c71450000-7f0c71452000 rw-p 00000000 00:00 0 
7f0c71453000-7f0c71454000 r--p 00000000 00:2c 40757569                   /opt/rbenv/versions/2.6.1/lib/ruby/2.6.0/x86_64-linux/enc/encdb.so
7f0c71454000-7f0c71455000 r-xp 00001000 00:2c 40757569                   /opt/rbenv/versions/2.6.1/lib/ruby/2.6.0/x86_64-linux/enc/encdb.so
7f0c71455000-7f0c71456000 r--p 00002000 00:2c 40757569                   /opt/rbenv/versions/2.6.1/lib/ruby/2.6.0/x86_64-linux/enc/encdb.so
7f0c71456000-7f0c71457000 r--p 00002000 00:2c 40757569                   /opt/rbenv/versions/2.6.1/lib/ruby/2.6.0/x86_64-linux/enc/encdb.so
7f0c71457000-7f0c71458000 rw-p 00003000 00:2c 40757569                   /opt/rbenv/versions/2.6.1/lib/ruby/2.6.0/x86_64-linux/enc/encdb.so
7f0c71458000-7f0c71459000 r--p 00000000 00:2c 39262699                   /lib/x86_64-linux-gnu/ld-2.28.so
7f0c71459000-7f0c71477000 r-xp 00001000 00:2c 39262699                   /lib/x86_64-linux-gnu/ld-2.28.so
7f0c71477000-7f0c7147f000 r--p 0001f000 00:2c 39262699                   /lib/x86_64-linux-gnu/ld-2.28.so
7f0c7147f000-7f0c71480000 r--p 00026000 00:2c 39262699                   /lib/x86_64-linux-gnu/ld-2.28.so
7f0c71480000-7f0c71481000 rw-p 00027000 00:2c 39262699                   /lib/x86_64-linux-gnu/ld-2.28.so
7f0c71481000-7f0c71482000 rw-p 00000000 00:00 0 
7fff9d9d9000-7fff9e1d8000 rw-p 00000000 00:00 0                          [stack]
7fff9e1e9000-7fff9e1ec000 r--p 00000000 00:00 0                          [vvar]
7fff9e1ec000-7fff9e1ee000 r-xp 00000000 00:00 0                          [vdso]


[NOTE]
You may have encountered a bug in the Ruby interpreter or extension libraries.
Bug reports are welcome.
For details: https://www.ruby-lang.org/bugreport.html

[1]    2708 abort (core dumped)  bundle exec ruby -ve ' require "criu" CRIU.images_dir = "/tmp/process_dump" '