This is the eleventh patch release in the 1.1.z release branch of runc.
It primarily fixes a few issues with runc's handling of containers that
are configured to join existing user namespaces, as well as improvements
to cgroupv2 support.
- Fix several issues with userns path handling.
- Support memory.peak and memory.swap.peak in cgroups v2.
Add swapOnlyUsage in MemoryStats. This field reports swap-only usage.
For cgroupv1, Usage and Failcnt are set by subtracting memory usage
from memory+swap usage. For cgroupv2, Usage, Limit, and MaxUsage
are set.
- build(deps): bump github.com/cyphar/filepath-securejoin.
- release notes: https://github.com/opencontainers/runc/releases/tag/v1.1.11
- full diff: https://github.com/opencontainers/runc/compare/v1.1.10...v1.1.11
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
(cherry picked from commit 5fa4cfcabf)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
- full diff: https://github.com/opencontainers/runc/compare/v1.1.9...v1.1.10
- release notes: https://github.com/opencontainers/runc/releases/tag/v1.1.10
This is the tenth (and most likely final) patch release in the 1.1.z
release branch of runc. It mainly fixes a few issues in cgroups, and a
umask-related issue in tmpcopyup.
- Add support for `hugetlb.<pagesize>.rsvd` limiting and accounting.
Fixes the issue of postgres failing when hugepage limits are set.
- Fixed permissions of a newly created directories to not depend on the value
of umask in tmpcopyup feature implementation.
- libcontainer: cgroup v1 GetStats now ignores missing `kmem.limit_in_bytes`
(fixes the compatibility with Linux kernel 6.1+).
- Fix a semi-arbitrary cgroup write bug when given a malicious hugetlb
configuration. This issue is not a security issue because it requires a
malicious config.json, which is outside of our threat model.
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
(cherry picked from commit 15bcc707e6)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
release notes: https://github.com/opencontainers/runc/releases/tag/v1.1.8
full diff: https://github.com/opencontainers/runc/compare/v1.1.7...v1.1.9
This is the eighth patch release of the 1.1.z release branch of runc.
The most notable change is the addition of RISC-V support, along with a
few bug fixes.
- Support riscv64.
- init: do not print environment variable value.
- libct: fix a race with systemd removal.
- tests/int: increase num retries for oom tests.
- man/runc: fixes.
- Fix tmpfs mode opts when dir already exists.
- docs/systemd: fix a broken link.
- ci/cirrus: enable some rootless tests on cs9.
- runc delete: call systemd's reset-failed.
- libct/cg/sd/v1: do not update non-frozen cgroup after frozen failed.
- CI: bump Fedora, Vagrant, bats.
- .codespellrc: update for 2.2.5.
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
(cherry picked from commit df86d855f5)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
release notes: https://github.com/opencontainers/runc/releases/tag/v1.1.7
full diff: https://github.com/opencontainers/runc/compare/v1.1.6...v1.1.7
This is the seventh patch release in the 1.1.z release of runc, and is
the last planned release of the 1.1.z series. It contains a fix for
cgroup device rules with systemd when handling device rules for devices
that don't exist (though for devices whose drivers don't correctly
register themselves in the kernel -- such as the NVIDIA devices -- the
full fix only works with systemd v240+).
- When used with systemd v240+, systemd cgroup drivers no longer skip
DeviceAllow rules if the device does not exist (a regression introduced
in runc 1.1.3). This fix also reverts the workaround added in runc 1.1.5,
removing an extra warning emitted by runc run/start.
- The source code now has a new file, runc.keyring, which contains the keys
used to sign runc releases.
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
(cherry picked from commit 2d0e899819)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
release notes: https://github.com/opencontainers/runc/releases/tag/v1.1.6
full diff: https://github.com/opencontainers/runc/compare/v1.1.5...v1.1.6
This is the sixth patch release in the 1.1.z series of runc, which fixes
a series of cgroup-related issues.
Note that this release can no longer be built from sources using Go
1.16. Using a latest maintained Go 1.20.x or Go 1.19.x release is
recommended. Go 1.17 can still be used.
- systemd cgroup v1 and v2 drivers were deliberately ignoring UnitExist error
from systemd while trying to create a systemd unit, which in some scenarios
may result in a container not being added to the proper systemd unit and
cgroup.
- systemd cgroup v2 driver was incorrectly translating cpuset range from spec's
resources.cpu.cpus to systemd unit property (AllowedCPUs) in case of more
than 8 CPUs, resulting in the wrong AllowedCPUs setting.
- systemd cgroup v1 driver was prefixing container's cgroup path with the path
of PID 1 cgroup, resulting in inability to place PID 1 in a non-root cgroup.
- runc run/start may return "permission denied" error when starting a rootless
container when the file to be executed does not have executable bit set for
the user, not taking the CAP_DAC_OVERRIDE capability into account. This is
a regression in runc 1.1.4, as well as in Go 1.20 and 1.20.1
- cgroup v1 drivers are now aware of misc controller.
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
(cherry picked from commit d0efca893b)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
release notes: https://github.com/opencontainers/runc/releases/tag/v1.1.5
diff: https://github.com/opencontainers/runc/compare/v1.1.4...v1.1.5
This is the fifth patch release in the 1.1.z series of runc, which fixes
three CVEs found in runc.
* CVE-2023-25809 is a vulnerability involving rootless containers where
(under specific configurations), the container would have write access
to the /sys/fs/cgroup/user.slice/... cgroup hierarchy. No other
hierarchies on the host were affected. This vulnerability was
discovered by Akihiro Suda.
<https://github.com/opencontainers/runc/security/advisories/GHSA-m8cg-xc2p-r3fc>
* CVE-2023-27561 was a regression which effectively re-introduced
CVE-2019-19921. This bug was present from v1.0.0-rc95 to v1.1.4. This
regression was discovered by @Beuc.
<https://github.com/advisories/GHSA-vpvm-3wq2-2wvm>
* CVE-2023-28642 is a variant of CVE-2023-27561 and was fixed by the same
patch. This variant of the above vulnerability was reported by Lei
Wang.
<https://github.com/opencontainers/runc/security/advisories/GHSA-g2j6-57v7-gm8c>
In addition, the following other fixes are included in this release:
* Fix the inability to use `/dev/null` when inside a container.
* Fix changing the ownership of host's `/dev/null` caused by fd redirection
(a regression in 1.1.1).
* Fix rare runc exec/enter unshare error on older kernels, including
CentOS < 7.7.
* nsexec: Check for errors in `write_log()`.
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
(cherry picked from commit 77be7b777c)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
full diff: https://github.com/opencontainers/runc/compare/v1.1.2...v1.1.3
This is the third release of the 1.1.z series of runc, and contains
various minor improvements and bugfixes.
- Our seccomp `-ENOSYS` stub now correctly handles multiplexed syscalls on
s390 and s390x. This solves the issue where syscalls the host kernel did not
support would return `-EPERM` despite the existence of the `-ENOSYS` stub
code (this was due to how s390x does syscall multiplexing).
- Retry on dbus disconnect logic in libcontainer/cgroups/systemd now works as
intended; this fix does not affect runc binary itself but is important for
libcontainer users such as Kubernetes.
- Inability to compile with recent clang due to an issue with duplicate
constants in libseccomp-golang.
- When using systemd cgroup driver, skip adding device paths that don't exist,
to stop systemd from emitting warnings about those paths.
- Socket activation was failing when more than 3 sockets were used.
- Various CI fixes.
- Allow to bind mount `/proc/sys/kernel/ns_last_pid` to inside container.
- runc static binaries are now linked against libseccomp v2.5.4.
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
(cherry picked from commit 2293de1c82)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
This is the second patch release of the runc 1.1 release branch. It
fixes CVE-2022-29162, a minor security issue (which appears to not be
exploitable) related to process capabilities.
This is a similar bug to the ones found and fixed in Docker and
containerd recently (CVE-2022-24769).
- A bug was found in runc where runc exec --cap executed processes with
non-empty inheritable Linux process capabilities, creating an atypical Linux
environment. For more information, see GHSA-f3fp-gc8g-vw66 and CVE-2022-29162.
- runc spec no longer sets any inheritable capabilities in the created
example OCI spec (config.json) file.
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
- use `vendor.mod` instead of `go.mod` to avoid issues to do with
use of CalVer, not SemVer
- ensure most of the dependency versions do not change
- only zookeeper client has to change (via docker/libkv#218) as
previously used version is no longer maintained and has missing
dependencies
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
The golangci-lint, gotestsum, shfmt, and vndr utilities should generally
be ok to be pinned by version instead of a specific sha. Also rename
the corresponding env-vars / build-args accordingly:
- GOLANGCI_LINT_COMMIT -> GOLANGCI_LINT_VERSION
- GOTESTSUM_COMMIT -> GOTESTSUM_VERSION
- SHFMT_COMMIT -> SHFMT_VERSION
- VNDR_COMMIT -> VNDR_VERSION
- CONTAINERD_COMMIT -> CONTAINERD_VERSION
- RUNC_COMMIT -> RUNC_VERSION
- ROOTLESS_COMMIT -> ROOTLESS_VERSION
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
This build-tag was removed in 52390d6804,
which is part of runc v1.0.0-rc94 and up, so no longer relevant.
the kmem options are now always disabled in runc.
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
full diff: https://github.com/opencontainers/runc/compare/v1.0.0-rc94...v1.0.0-rc95
Release notes:
This release of runc contains a fix for CVE-2021-30465, and users are
strongly recommended to update (especially if you are providing
semi-limited access to spawn containers to untrusted users).
Aside from this security fix, only a few other changes were made since
v1.0.0-rc94 (the only user-visible change was the addition of support
for defaultErrnoRet in seccomp profiles).
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
full diff: https://github.com/opencontainers/runc/compare/v1.0.0-rc92...v1.0.0-rc93
release notes: https://github.com/opencontainers/runc/releases/tag/v1.0.0-rc93
Release notes for runc v1.0.0-rc93
-------------------------------------------------
This is the last feature-rich RC release and we are in a feature-freeze until
1.0. 1.0.0~rc94 will be released in a few weeks with minimal bug fixes only,
and 1.0.0 will be released soon afterwards.
- runc's cgroupv2 support is no longer considered experimental. It is now
believed to be fully ready for production deployments. In addition, runc's
cgroup code has been improved:
- The systemd cgroup driver has been improved to be more resilient and
handle more systemd properties correctly.
- We now make use of openat2(2) when possible to improve the security of
cgroup operations (in future runc will be wholesale ported to libpathrs to
get this protection in all codepaths).
- runc's mountinfo parsing code has been reworked significantly, making
container startup times significantly faster and less wasteful in general.
- runc now has special handling for seccomp profiles to avoid making new
syscalls unusable for glibc. This is done by installing a custom prefix to
all seccomp filters which returns -ENOSYS for syscalls that are newer than
any syscall in the profile (meaning they have a larger syscall number).
This should not cause any regressions (because previously users would simply
get -EPERM rather than -ENOSYS, and the rule applied above is the most
conservative rule possible) but please report any regressions you find as a
result of this change -- in particular, programs which have special fallback
code that is only run in the case of -EPERM.
- runc now supports the following new runtime-spec features:
- The umask of a container can now be specified.
- The new Linux 5.9 capabilities (CAP_PERFMON, CAP_BPF, and
CAP_CHECKPOINT_RESTORE) are now supported.
- The "unified" cgroup configuration option, which allows users to explicitly
specify the limits based on the cgroup file names rather than abstracting
them through OCI configuration. This is currently limited in scope to
cgroupv2.
- Various rootless containers improvements:
- runc will no longer cause conflicts if a user specifies a custom device
which conflicts with a user-configured device -- the user device takes
precedence.
- runc no longer panics if /sys/fs/cgroup is missing in rootless mode.
- runc --root is now always treated as local to the current working directory.
- The --no-pivot-root hardening was improved to handle nested mounts properly
(please note that we still strongly recommend that users do not use
--no-pivot-root -- it is still an insecure option).
- A large number of code cleanliness and other various cleanups, including
fairly large changes to our tests and CI to make them all run more
efficiently.
For packagers the following changes have been made which will have impact on
your packaging of runc:
- The "selinux" and "apparmor" buildtags have been removed, and now all runc
builds will have SELinux and AppArmor support enabled. Note that "seccomp"
is still optional (though we very highly recommend you enable it).
- make install DESTDIR= now functions correctly.
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
Notable Updates
- Fix an issue that non-existent parent directory in image layers is created with permission 0700. containerd#3017
- Fix an issue that snapshots of the base image can be deleted by mistake, when images built on top of it are deleted. containerd#3087
- Support for GC references to content from snapshot and container objects. containerd#3080
- cgroups updated to dbea6f2bd41658b84b00417ceefa416b97 to fix issues for systemd 420 and non-existent cgroups. containerd#3079
- runc updated to 2b18fe1d885ee5083ef9f0838fee39b62d653e30 to include the improved fix for CVE-2019-5736. containerd#3082
- cri: Fix a bug that pod can't get started when the same volume is defined differently in the image and the pod spec. cri#1059
- cri: Fix a bug that causes container start failure after in-place upgrade containerd to 1.2.4+ or 1.1.6+. cri#1082
- cri updated to a92c40017473cbe0239ce180125f12669757e44f. containerd#3084
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
- Fixes a vulnerability in runc that allows a container escape (CVE-2019-5736)
6635b4f0c6,
- Includes security fix for `runc run --no-pivot` (`DOCKER_RAMDISK=1`):
28a697cce3
(NOTE: the vuln is attackable only when `DOCKER_RAMDISK=1` is set && seccomp is disabled)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
These scripts explicitly use Bash, so we should be able to use
`[[` instead of `[` (which seems to be recommended).
Also added curly brackets to some bare variables, and quoted some paths.
This makes my IDE a bit more silent :-)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
Containerd should be "leading" when specifying which version of runc to use.
From the RUNC.MD document in the containerd repository
(https://github.com/containerd/containerd/blob/b1e202c32724e82779544365528a1a082
b335553/RUNC.md);
> We depend on a specific runc version when dealing with advanced features. You
> should have a specific runc build for development. The current supported runc
> commit is described in vendor.conf. Please refer to the line that starts with
> github.com/opencontainers/runc.
This patch adds a note to vendor.conf and runc.installer to describe the order
in which runc should be updated.
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
In case we're running on RHEL7 kernel, which has non-working
and broken kernel memory controller, add 'nokmem' build tag
so that runc never enables kmem accounting.
For more info, see the following runc commit:
https://github.com/opencontainers/runc/commit/6a2c1559684
This behavior can be overriden by having `RUNC_NOKMEM` environment
variable set (e.g. to empty value to disable setting nokmem).
Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
Release notes: https://github.com/opencontainers/runc/releases/tag/v1.0.0-rc5
Possibly relevant changes included:
- chroot when no mount namespaces is provided
- fix systemd slice expansion so that it could be consumed by cAdvisor
- libcontainer/capabilities_linux: Drop os.Getpid() call
- Update console dependency to fix runc exec on BE (causing: `container_linux.go:265: starting container process caused "open /dev/pts/4294967296: no such file or directory"`)
- libcontainer: setupUserNamespace is always called (fixes: Devices are mounted with wrong uid/gid)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
Originally I worked on this for the multi-stage build Dockerfile
changes. Decided to split this out as we are still waiting for
multi-stage to be available on CI and rebasing these is pretty annoying.
Signed-off-by: Brian Goff <cpuguy83@gmail.com>
