diff --git a/oci/caps/utils.go b/oci/caps/utils.go index 4a8ed09e8d..e61e8584c3 100644 --- a/oci/caps/utils.go +++ b/oci/caps/utils.go @@ -16,6 +16,18 @@ func init() { if last == capability.Cap(63) { last = capability.CAP_BLOCK_SUSPEND } + if last > capability.CAP_AUDIT_READ { + // Prevents docker from setting CAP_PERFMON, CAP_BPF, and CAP_CHECKPOINT_RESTORE + // capabilities on privileged (or CAP_ALL) containers on Kernel 5.8 and up. + // While these kernels support these capabilities, the current release of + // runc ships with an older version of /gocapability/capability, and does + // not know about them, causing an error to be produced. + // + // FIXME remove once https://github.com/opencontainers/runc/commit/6dfbe9b80707b1ca188255e8def15263348e0f9a + // is included in a runc release and once we stop supporting containerd 1.3.x + // (which ships with runc v1.0.0-rc92) + last = capability.CAP_AUDIT_READ + } for _, cap := range capability.List() { if cap > last { continue