vendor: bump runc to rc95

runc rc95 contains a fix for CVE-2021-30465.

runc rc94 provides fixes and improvements.

One notable change is cgroup manager's Set now accept Resources rather
than Cgroup (see https://github.com/opencontainers/runc/pull/2906).
Modify the code accordingly.

Also update runc dependencies (as hinted by hack/lint-depdendencies.sh):

        github.com/cilium/ebpf v0.5.0
        github.com/containerd/console v1.0.2
        github.com/coreos/go-systemd/v22 v22.3.1
        github.com/godbus/dbus/v5 v5.0.4
        github.com/moby/sys/mountinfo v0.4.1
        golang.org/x/sys v0.0.0-20210426230700-d19ff857e887
        github.com/google/go-cmp v0.5.4
        github.com/kr/pretty v0.2.1
        github.com/opencontainers/runtime-spec v1.0.3-0.20210326190908-1c3f411f0417

Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
This commit is contained in:
Kir Kolyshkin
2021-05-19 09:59:29 -07:00
parent 029e6b6e3a
commit f3cdfc488e
334 changed files with 17354 additions and 5535 deletions

View File

@@ -127,10 +127,10 @@ func (p *program) appendDevice(dev *devices.Rule) error {
}
if hasAccess {
p.insts = append(p.insts,
// if (R3 & bpfAccess == 0 /* use R1 as a temp var */) goto next
// if (R3 & bpfAccess != R3 /* use R1 as a temp var */) goto next
asm.Mov.Reg32(asm.R1, asm.R3),
asm.And.Imm32(asm.R1, bpfAccess),
asm.JEq.Imm(asm.R1, 0, nextBlockSym),
asm.JNE.Reg(asm.R1, asm.R3, nextBlockSym),
)
}
if hasMajor {

View File

@@ -3,6 +3,7 @@ package ebpf
import (
"github.com/cilium/ebpf"
"github.com/cilium/ebpf/asm"
"github.com/cilium/ebpf/link"
"github.com/pkg/errors"
"golang.org/x/sys/unix"
)
@@ -32,12 +33,23 @@ func LoadAttachCgroupDeviceFilter(insts asm.Instructions, license string, dirFD
if err != nil {
return nilCloser, err
}
if err := prog.Attach(dirFD, ebpf.AttachCGroupDevice, unix.BPF_F_ALLOW_MULTI); err != nil {
err = link.RawAttachProgram(link.RawAttachProgramOptions{
Target: dirFD,
Program: prog,
Attach: ebpf.AttachCGroupDevice,
Flags: unix.BPF_F_ALLOW_MULTI,
})
if err != nil {
return nilCloser, errors.Wrap(err, "failed to call BPF_PROG_ATTACH (BPF_CGROUP_DEVICE, BPF_F_ALLOW_MULTI)")
}
closer := func() error {
if err := prog.Detach(dirFD, ebpf.AttachCGroupDevice, unix.BPF_F_ALLOW_MULTI); err != nil {
return errors.Wrap(err, "failed to call BPF_PROG_DETACH (BPF_CGROUP_DEVICE, BPF_F_ALLOW_MULTI)")
err = link.RawDetachProgram(link.RawDetachProgramOptions{
Target: dirFD,
Program: prog,
Attach: ebpf.AttachCGroupDevice,
})
if err != nil {
return errors.Wrap(err, "failed to call BPF_PROG_DETACH (BPF_CGROUP_DEVICE)")
}
return nil
}