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runc/docs/spec-conformance.md
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2024-01-04 19:24:21 +08:00

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Spec conformance

This branch of runc implements the OCI Runtime Spec v1.1.0 for the linux platform.

The following features are not implemented yet:

Spec version Feature PR
v1.1.0 SECCOMP_FILTER_FLAG_WAIT_KILLABLE_RECV #3862
v1.1.0 .process.ioPriority #3783

The following features are implemented with some limitations:

Spec version Feature Limitation
v1.1.0 .[]mounts.uidMappings Requires using UserNS with identical uidMappings
v1.1.0 .[]mounts.gidMappings Requires using UserNS with identical gidMappings

Architectures

The following architectures are supported:

runc binary seccomp
amd64 SCMP_ARCH_X86, SCMP_ARCH_X86_64, SCMP_ARCH_X32
arm64 SCMP_ARCH_ARM, SCMP_ARCH_AARCH64
armel SCMP_ARCH_ARM
armhf SCMP_ARCH_ARM
ppc64le SCMP_ARCH_PPC64LE
riscv64 SCMP_ARCH_RISCV64
s390x SCMP_ARCH_S390, SCMP_ARCH_S390X

The runc binary might be compilable for i386, big-endian PPC64, and several MIPS variants too, but these architectures are not officially supported.