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LXC 1.0.8 release announcement

9 nov. 2015
This is the eight bugfix release for LXC 1.0.

Important:

  • Security fix for CVE-2015-1331
  • Security fix for CVE-2015-1334

Core:

  • Add a nesting.conf which can be included to support nesting containers
  • Add support for CAP_AUDIT_READ and CAP_BLOCK_SUSPEND
  • Allow autodev without a rootfs
  • Also drop caps in unpriv containers
  • apparmor: Block access to /proc/kcore
  • apparmor: Fix slave bind mounts
  • apparmor: Sync with current git master
  • attach: use _exit() instead of exit() in the intermediate child process
  • aufs: Support unprivileged clone, mount
  • Call /lib/apparmor/profile-load directly instead of the wrapper
  • cgmanager: attach: never use 'all' controller
  • cgmanager: free line at end of check_supports_multiple_controllers
  • cgmanager: put unprivileged containers under $(curcgroup)/lxc/$(container0
  • Change lxc-clone to use 'rsync -aH' instead of just 'rsync -a' for cloning to fix Launchpad Bug #1441307.
  • clone_paths: use 'rootfs' for destination directory
  • config: add miscellaneous signals for lxc.*signal
  • daemonized start: exit children on failure, don't return
  • Define MS_REC and MS_SLAVE for Android in bdev.c
  • Define MS_RELATIME for Android
  • Define O_PATH and O_NOFOLLOW for Android
  • detect whether cgmanager_list_controllers is available
  • do_lxcap_stop: wait until container is stopped
  • don't close std* fd if opentty fails
  • Enable seccomp by default for unprivileged users.
  • Factorize handle of create=dir and create=file
  • Fix Android build due to missing constant
  • Fix automatic mounts without a rootfs
  • fix build on mpc85xx
  • Fix clearing IPv4/IPv6 addresses
  • Fix container creation without a rootfs
  • Fix control tty issues on attach
  • Fix /dev symlinks without a rootfs
  • Fix dropped fs caps when cloning a container
  • Fix error message when cannot find an lxc-init
  • Fix incomplete destruction of unprivileged ephemeral containers
  • Fix instantiation of multiple vlan interfaces with same id
  • Fix reversed args in mount call
  • Fix verification of start hook without a rootfs
  • Ignore trailing /init.scope in init cgroups
  • Init error_num to 1
  • init: Support older apparmor
  • In lxc.mount.auto, skip on ENONENT
  • lxc_monitor: fix memory leak on @fds and close fds
  • lxc_monitor: free @preg on error
  • lxc_mount_auto_mounts: fix weirdness
  • make cgmanager follow lxc.cgroup.use
  • Make LXC_CLONE_KEEPNAME work
  • Make mount_entry_create_*_dirs() more robust
  • Make overlayfs mounts work directly
  • Only mount /proc if needed, even without a rootfs
  • only re-open fds if stdin is a tty
  • Only use LOGPATH if lxcpath is unset or default
  • overlay: create workdir if it doesn't exist
  • pass on reboot flag and delete old veth on reboot
  • Prevent from error on umount /proc if userns are used.
  • Remove btrfs subvolumes
  • rpm: added dependency to lxc-libs to lxc package
  • seccomp: add aarch64 support
  • seccomp: add ppc support
  • seccomp: add rule to reject umount -f
  • seccomp: simplify and fix rule parsing
  • Skip control tty code for non-ttys
  • Sort the cgroup memory settings before applying
  • Support unprivileged ephemeral container using aufs
  • Tear down network devices during container halt
  • Uniformly nullify std fds
  • Use /dev/loop-control if it exists
  • Use 'overlay' as fs name when needed
  • use poll instead of select when possible
  • Use POSIX-compliant function names in bash completion
  • Use rdepends when non-thinpool LVM container is cloned
  • When creating container, save configuration if rootfs already exists

Documentation:

  • Add the note related mount in Japanese lxc.container.conf(5)
  • Add about zfs, aufs, overlayfs to '-s' option of lxc-clone(1)
  • Add doc for optional, create=dir and create=file in lxc.container.conf man
  • Add long option for -P in documentation
  • Add LXC-specific mount option in Japanese lxc.container.conf(5)
  • Add options of 'loop' backingstore to lxc-create(1)
  • Add -P lxcpath and --version to lxc-ls manpage
  • Add '--storage-type' option to lxc-start-ephemeral(1)
  • Add the description for -P and --version to English and Japanese lxc-ls(1)
  • Add the description for --version to English and Japanese common_options
  • Add the use of 'attach' to lxc-start-ephemeral(1)
  • clarify the description of the veth network type in the manpage.
  • Fix the mistranslation about lxc.group in Japanese lxc.container.conf(5)
  • Fresh CONTRIBUTING
  • Remove unnecessary common options from lxc-user-nic(1)
  • Translate untranslated section titles in Japanese man pages
  • Update MAINTAINERS
  • Update the description of -L option in lxc-autostart(1)
  • Update the description of the veth in the Japanese lxc.container.conf(5)

Bindings:

  • lua: Fix 5.3 compatibility code.
  • lua: fix crash on missing blkio
  • lua: Small fix for 5.3 compatibility.

Tests:

  • enable cgmanager support for Travis CI
  • lxc-test-apparmor: flush the pipe before exiting child
  • lxc-test-symlink: add a test using absolute symlink
  • Update Travis configuration
  • Use 'cgm listcontrollers' list rather than /proc/self/cgroups

Config:

  • lxc-net.conf: use +e at teardown

Templates:

  • lxc-alpine: avoid GNU BRE extensions for better portability
  • lxc-alpine: create /dev/shm before mounting
  • lxc-alpine: fix verification of apk.static binary
  • lxc-alpine: use getopt to parse options
  • lxc-alpine: use yaml for detection of latest release
  • lxc-altlinux: fix parsing of option "--clean": it takes no argument
  • lxc-altlinux: protect possibly unset variable with quotes for -z check
  • lxc-archlinux: Fix systemd-sysctl service
  • lxc-busybox: fix unprivileged containers
  • lxc-centos: Added a more reliable test for yum --releasever
  • lxc-{centos|fedora}: Respect --rootfs
  • lxc-centos: fix big big login delays in Centos 7
  • lxc-centos: Fix booting a Centos 6 container
  • lxc-centos: fix parsing of option "--clean": it takes no argument
  • lxc-centos: fix tab/space mixup in help text.
  • lxc-centos: pass releasever parameter to yum
  • lxc-centos: protect possibly unset variable with quotes for -z check
  • lxc-centos: use hostname for DHCP_HOSTNAME in ifcfg-eth0
  • lxc-debian: Alternative test for dpkg multiarch support
  • lxc-debian: debootstrap failed when $GREP_OPTIONS is set
  • lxc-debian: document "--clean" in the usage.
  • lxc-debian: Fixed errors if dbus is not installed
  • lxc-debian: fix parsing of option "--clean": it takes no argument.
  • lxc-debian: improve help text
  • lxc-debian: protect possibly unset variable with quotes for -z check
  • lxc-debian: reconfigure locales
  • lxc-debian: skip security updates for unstable/sid
  • lxc-debian: support stretch (Debian 9) images
  • lxc-debian: Test dpkg for multiarch support
  • lxc-download: fix typo in help text.
  • lxc-download: improve help text.
  • lxc-download: make --list more useful.
  • lxc-fedora: Add support for "--mask-tmp"
  • lxc-fedora: Default to 22 but use 20 squashfs
  • lxc-fedora: Default to Fedora 21 as 22 no longer uses yum
  • lxc-fedora: fix parsing of option "--clean": it takes no argument
  • lxc-fedora: In fedora21, the fedora-repos package is needed.
  • lxc-fedora: let help text fit into 80 columns
  • lxc-fedora: manage secondary architectures
  • lxc-fedora: protect possibly unset variable with quotes for -z check
  • lxc-fedora: when using systemd, set lxc.kmsg = 0 in the config
  • lxc-gentoo: Add a hwaddr if there is only one veth
  • lxc-gentoo: Add /dev/shm tmpfs mount entry
  • lxc-gentoo: Fix creation of dev/mqueue and dev/shm
  • lxc-gentoo: Fix the --auth-key flag
  • lxc-gentoo: Fix wget
  • lxc-openmandriva: fix parsing of option "--clean": it takes no argument
  • lxc-openmandriva: protect possibly unset variable with quotes in -z check
  • lxc-opensuse: default release changed to 13.1, as 12.3 reaches end-of-life soon
  • lxc-opensuse: Disable building openSUSE containers on 13.2/Tumbleweed only if wrong version of build package is installed
  • lxc-opensuse: fix parsing of option "--clean": it takes no argument
  • lxc-opensuse: protect possibly unset variable with quotes in -z check
  • lxc-opensuse: use rpm to determine build version
  • lxc-oracle: Fix /dev/shm
  • lxc-ubuntu-cloud: Never exit 0 when no container is created
  • lxc-ubuntu-cloud: Replace .tar.gz by .tar.xz and don't auto-generate missing tarballs
  • lxc-ubuntu: Drop lucid support and refresh releases list

Commands:

  • Fix grammar in some of the executables "NAME for name of the container" becomes "NAME of the container"
  • lxc-autostart: Fix broken output
  • lxc-checkconfig: Update to work with kernel versions > 3
  • lxc-create: Fix -h with absolute template path
  • lxc-create: Require --template be passed
  • lxc-destroy: actually work if underlying fs is overlayfs
  • lxc-start: added pid parameter
  • lxc-start-ephemeral: fix pep-8 and pyflakes3
  • lxc-start-ephemeral: handle the overlayfs workdir option (v2)
  • lxc-start-ephemeral: Parse passwd directly
  • lxc-usernsexec: reopen fds 0,1,2 separately

Those stable fixes were brought to you by 59 individual contributors.

Downloads

The release tarballs may be found on our download page and we expect most distributions
will very soon ship a packaged version of LXC 1.0.8.

Should you be interested in individual changes or just looking at the detailed development history,
our stable branch is on GitHub.

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