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-rw-r--r--pkg/spec/spec.go8
1 files changed, 8 insertions, 0 deletions
diff --git a/pkg/spec/spec.go b/pkg/spec/spec.go
index acc41f7c5..dcf1c51dd 100644
--- a/pkg/spec/spec.go
+++ b/pkg/spec/spec.go
@@ -326,6 +326,14 @@ func addPidNS(config *CreateConfig, g *generate.Generator) error {
}
func addUserNS(config *CreateConfig, g *generate.Generator) error {
+ if IsNS(string(config.UsernsMode)) {
+ g.AddOrReplaceLinuxNamespace(spec.UserNamespace, NS(string(config.UsernsMode)))
+
+ // runc complains if no mapping is specified, even if we join another ns. So provide a dummy mapping
+ g.AddLinuxUIDMapping(uint32(0), uint32(0), uint32(1))
+ g.AddLinuxGIDMapping(uint32(0), uint32(0), uint32(1))
+ }
+
if (len(config.IDMappings.UIDMap) > 0 || len(config.IDMappings.GIDMap) > 0) && !config.UsernsMode.IsHost() {
g.AddOrReplaceLinuxNamespace(spec.UserNamespace, "")
}