Download/criu/2.1

Tarball:	criu-2.1.tar.bz2
Version:	2.1 "Steel Lapwing"
Released:	11 Apr 2016
GIT tag:	v2.1

New features

• Checking now classifies features to important/extra/experimental
• Ability to bring some disk files into images. See $source/scripts/tmp-files.sh
• C/R of
  • Completed AIO requests
  • Fallback gre and gretap net devices

Optimizations/improvements

• Code coverage collecting now works
• Use native rtnl library for netlink messages processing
• Using --output - now results in stdout as log, not a file with the name "-"
• Signals are printed by names in logs

Fixes

• Make tar generated tarbal with bad name
• CG restore code lacked rollback in some places
• Error code from raw syscalls was treated with errors resulting in wrong criu check reports
• Dumping task with HUGE amount of file descriptors failed
• Task could be stopped after pre-dump if respective option was used
• A /proc/pid directory from dead process conflicting with a new alive one could cause dump to fail
• Zombie from alien session/process group caused restore to fail
• CGroup fs was wrongly mounted in CGNS on restore
• Irmap scan was mis-checking devices numbers
• Use-after-free in irmap scan
• Btrfs bindmounts detection was mistaken due to 'subvol=' options met
• Propagation of mountpoint's shared groups was lost for propagated mounts
• Unaligned allocations of restore shared memory could result in codedumps when used by futexes
• Temporary mountpoints could result in spurious propagations
• When aborting the dump criu could crash on use-after-free objects
• Locking the network could stuck doing the DNS resolve
• Several build fixes

Deprecated/removed

• The images from criu prior to 0.4 are deprecated
• The --namespaces option makes no sense and is also deprecated
• The --ms option for check action is deprecated