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[chore]: Bump github.com/KimMachineGun/automemlimit from 0.2.4 to 0.2.5 (#1666)

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Bumps [github.com/KimMachineGun/automemlimit](https://github.com/KimMachineGun/automemlimit) from 0.2.4 to 0.2.5.
- [Release notes](https://github.com/KimMachineGun/automemlimit/releases)
- [Commits](https://github.com/KimMachineGun/automemlimit/compare/v0.2.4...v0.2.5)

---
updated-dependencies:
- dependency-name: github.com/KimMachineGun/automemlimit
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
This commit is contained in:
dependabot[bot] 2023-04-03 11:16:17 +02:00 • committed by GitHub
commit 57dc742c76
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200 changed files with 16392 additions and 38190 deletions
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96
vendor/github.com/containerd/cgroups/v2/ebpf.go generated vendored
View file

@ -1,96 +0,0 @@
/*
Copyright The containerd Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package v2
import (
"fmt"
"github.com/cilium/ebpf"
"github.com/cilium/ebpf/asm"
"github.com/cilium/ebpf/link"
"github.com/opencontainers/runtime-spec/specs-go"
"golang.org/x/sys/unix"
)
// LoadAttachCgroupDeviceFilter installs eBPF device filter program to /sys/fs/cgroup/<foo> directory.
//
// Requires the system to be running in cgroup2 unified-mode with kernel >= 4.15 .
//
// https://github.com/torvalds/linux/commit/ebc614f687369f9df99828572b1d85a7c2de3d92
func LoadAttachCgroupDeviceFilter(insts asm.Instructions, license string, dirFD int) (func() error, error) {
nilCloser := func() error {
return nil
}
spec := &ebpf.ProgramSpec{
Type: ebpf.CGroupDevice,
Instructions: insts,
License: license,
}
prog, err := ebpf.NewProgram(spec)
if err != nil {
return nilCloser, err
}
err = link.RawAttachProgram(link.RawAttachProgramOptions{
Target: dirFD,
Program: prog,
Attach: ebpf.AttachCGroupDevice,
Flags: unix.BPF_F_ALLOW_MULTI,
})
if err != nil {
return nilCloser, fmt.Errorf("failed to call BPF_PROG_ATTACH (BPF_CGROUP_DEVICE, BPF_F_ALLOW_MULTI): %w", err)
}
closer := func() error {
err = link.RawDetachProgram(link.RawDetachProgramOptions{
Target: dirFD,
Program: prog,
Attach: ebpf.AttachCGroupDevice,
})
if err != nil {
return fmt.Errorf("failed to call BPF_PROG_DETACH (BPF_CGROUP_DEVICE): %w", err)
}
return nil
}
return closer, nil
}
func isRWM(cgroupPermissions string) bool {
r := false
w := false
m := false
for _, rn := range cgroupPermissions {
switch rn {
case 'r':
r = true
case 'w':
w = true
case 'm':
m = true
}
}
return r && w && m
}
// the logic is from runc
// https://github.com/opencontainers/runc/blob/master/libcontainer/cgroups/fs/devices_v2.go#L44
func canSkipEBPFError(devices []specs.LinuxDeviceCgroup) bool {
for _, dev := range devices {
if dev.Allow || !isRWM(dev.Access) {
return false
}
}
return true
}