runc-1.1.4-2.el8
- update to https://github.com/opencontainers/runc/releases/tag/v1.1.4 - Related: #2176055 Signed-off-by: Jindrich Novy <jnovy@redhat.com>
This commit is contained in:
Jindrich Novy
parent
257317647f
commit
065faa6369
3
.gitignore
vendored
3
.gitignore
vendored
@ -1,2 +1 @@
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SOURCES/v1.1.4.tar.gz
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/v1.1.4.tar.gz
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/*.tar.gz
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84
3468.patch
84
3468.patch
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From 2ce40b6ad72b4bd4391380cafc5ef1bad1fa0b31 Mon Sep 17 00:00:00 2001
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From: Kir Kolyshkin <kolyshkin@gmail.com>
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Date: Wed, 4 May 2022 14:56:16 -0700
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Subject: [PATCH] Remove tun/tap from the default device rules
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Looking through git blame, this was added by commit 9fac18329
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aka "Initial commit of runc binary", most probably by mistake.
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Obviously, a container should not have access to tun/tap device, unless
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it is explicitly specified in configuration.
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Now, removing this might create a compatibility issue, but I see no
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other choice.
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Aside from the obvious misconfiguration, this should also fix the
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annoying
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> Apr 26 03:46:56 foo.bar systemd[1]: Couldn't stat device /dev/char/10:200: No such file or directory
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messages from systemd on every container start, when runc uses systemd
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cgroup driver, and the system runs an old (< v240) version of systemd
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(the message was presumably eliminated by [1]).
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[1] https://github.com/systemd/systemd/pull/10996/commits/d5aecba6e0b7c73657c4cf544ce57289115098e7
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Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
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---
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.../ebpf/devicefilter/devicefilter_test.go | 19 ++++++-------------
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libcontainer/specconv/spec_linux.go | 10 ----------
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2 files changed, 6 insertions(+), 23 deletions(-)
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diff --git a/libcontainer/cgroups/ebpf/devicefilter/devicefilter_test.go b/libcontainer/cgroups/ebpf/devicefilter/devicefilter_test.go
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index d279335821..25703be5ad 100644
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--- a/libcontainer/cgroups/ebpf/devicefilter/devicefilter_test.go
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+++ b/libcontainer/cgroups/ebpf/devicefilter/devicefilter_test.go
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@@ -120,21 +120,14 @@ block-8:
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51: Mov32Imm dst: r0 imm: 1
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52: Exit
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block-9:
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-// tuntap (c, 10, 200, rwm, allow)
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+// /dev/pts (c, 136, wildcard, rwm, true)
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53: JNEImm dst: r2 off: -1 imm: 2 <block-10>
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- 54: JNEImm dst: r4 off: -1 imm: 10 <block-10>
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- 55: JNEImm dst: r5 off: -1 imm: 200 <block-10>
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- 56: Mov32Imm dst: r0 imm: 1
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- 57: Exit
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+ 54: JNEImm dst: r4 off: -1 imm: 136 <block-10>
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+ 55: Mov32Imm dst: r0 imm: 1
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+ 56: Exit
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block-10:
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-// /dev/pts (c, 136, wildcard, rwm, true)
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- 58: JNEImm dst: r2 off: -1 imm: 2 <block-11>
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- 59: JNEImm dst: r4 off: -1 imm: 136 <block-11>
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- 60: Mov32Imm dst: r0 imm: 1
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- 61: Exit
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-block-11:
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- 62: Mov32Imm dst: r0 imm: 0
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- 63: Exit
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+ 57: Mov32Imm dst: r0 imm: 0
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+ 58: Exit
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`
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var devices []*devices.Rule
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for _, device := range specconv.AllowedDevices {
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diff --git a/libcontainer/specconv/spec_linux.go b/libcontainer/specconv/spec_linux.go
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index 5ae95c6c18..83c7a2c348 100644
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--- a/libcontainer/specconv/spec_linux.go
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+++ b/libcontainer/specconv/spec_linux.go
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@@ -302,16 +302,6 @@ var AllowedDevices = []*devices.Device{
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Allow: true,
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},
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},
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- // tuntap
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- {
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- Rule: devices.Rule{
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- Type: devices.CharDevice,
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- Major: 10,
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- Minor: 200,
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- Permissions: "rwm",
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- Allow: true,
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- },
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- },
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}
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type CreateOpts struct {
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66
3511.patch
66
3511.patch
@ -1,66 +0,0 @@
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From 62b0c31d4b940ff93a23ac6fdb3a6ef345910abf Mon Sep 17 00:00:00 2001
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From: Kir Kolyshkin <kolyshkin@gmail.com>
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Date: Tue, 14 Jun 2022 17:19:10 -0700
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Subject: [PATCH] libct: fix mounting via wrong proc fd
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Due to a bug in commit 9c444070ec7, when the user and mount namespaces
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are used, and the bind mount is followed by the cgroup mount in the
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spec, the cgroup is mounted using the bind mount's mount fd.
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This can be reproduced with podman 4.1 (when configured to use runc):
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$ podman run --uidmap 0:100:10000 quay.io/libpod/testimage:20210610 mount
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Error: /home/kir/git/runc/runc: runc create failed: unable to start container process: error during container init: error mounting "cgroup" to rootfs at "/sys/fs/cgroup": mount /proc/self/fd/11:/sys/fs/cgroup/systemd (via /proc/self/fd/12), flags: 0x20502f: operation not permitted: OCI permission denied
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or manually with the spec mounts containing something like this:
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{
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"destination": "/etc/resolv.conf",
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"type": "bind",
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"source": "/userdata/resolv.conf",
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"options": [
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"bind"
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]
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},
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{
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"destination": "/sys/fs/cgroup",
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"type": "cgroup",
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"source": "cgroup",
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"options": [
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"rprivate",
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"nosuid",
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"noexec",
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"nodev",
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"relatime",
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"ro"
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]
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}
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The issue was not found earlier since it requires using userns, and even then
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mount fd is ignored by mountToRootfs, except for bind mounts, and all the bind
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mounts have mountfd set, except for the case of cgroup v1's /sys/fs/cgroup
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which is internally transformed into a bunch of bind mounts.
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This is a minimal fix for the issue, suitable for backporting.
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Fixes: 9c444070ec7 ("Open bind mount sources from the host userns")
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Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
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(cherry picked from commit b3aa20af7fb67ee1f2b381f3c82329e73c7d3a0c)
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Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
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---
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libcontainer/rootfs_linux.go | 2 ++
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1 file changed, 2 insertions(+)
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diff --git a/libcontainer/rootfs_linux.go b/libcontainer/rootfs_linux.go
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index 3cfd2bf1e4..ec7638e4d5 100644
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--- a/libcontainer/rootfs_linux.go
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+++ b/libcontainer/rootfs_linux.go
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@@ -80,6 +80,8 @@ func prepareRootfs(pipe io.ReadWriter, iConfig *initConfig, mountFds []int) (err
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// Therefore, we can access mountFds[i] without any concerns.
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if mountFds != nil && mountFds[i] != -1 {
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mountConfig.fd = &mountFds[i]
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+ } else {
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+ mountConfig.fd = nil
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}
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if err := mountToRootfs(m, mountConfig); err != nil {
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@ -1,6 +0,0 @@
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# recipients: jnovy, lsm5, santiago
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--- !Policy
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product_versions:
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- rhel-9
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decision_context: osci_compose_gate
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rules: []
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@ -23,7 +23,7 @@ go build -buildmode pie -compiler gc -tags="rpm_crashtraceback libtrust_openssl
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Epoch: 1
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Name: %{repo}
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Version: 1.1.4
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Release: 1%{?dist}
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Release: 2%{?dist}
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Summary: CLI for running Open Containers
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# https://fedoraproject.org/wiki/PackagingDrafts/Go#Go_Language_Architectures
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#ExclusiveArch: %%{go_arches}
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@ -85,6 +85,10 @@ make install install-man install-bash DESTDIR=$RPM_BUILD_ROOT PREFIX=%{_prefix}
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%{_datadir}/bash-completion/completions/%{name}
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%changelog
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* Thu Mar 09 2023 Jindrich Novy <jnovy@redhat.com> - 1:1.1.4-2
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- update to https://github.com/opencontainers/runc/releases/tag/v1.1.4
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- Related: #2176055
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* Fri Aug 26 2022 Jindrich Novy <jnovy@redhat.com> - 1:1.1.4-1
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- update to https://github.com/opencontainers/runc/releases/tag/v1.1.4
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- Related: #2061390
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