diff options
Diffstat (limited to 'pkg/sentry/kernel/task_clone.go')
| -rw-r--r-- | pkg/sentry/kernel/task_clone.go | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/pkg/sentry/kernel/task_clone.go b/pkg/sentry/kernel/task_clone.go index b66fa34a9..114e7f858 100644 --- a/pkg/sentry/kernel/task_clone.go +++ b/pkg/sentry/kernel/task_clone.go @@ -17,7 +17,6 @@ package kernel import ( "gvisor.googlesource.com/gvisor/pkg/abi/linux" "gvisor.googlesource.com/gvisor/pkg/bpf" - "gvisor.googlesource.com/gvisor/pkg/sentry/kernel/auth" "gvisor.googlesource.com/gvisor/pkg/sentry/usermem" "gvisor.googlesource.com/gvisor/pkg/syserror" ) @@ -166,7 +165,7 @@ func (t *Task) Clone(opts *CloneOptions) (ThreadID, *SyscallControl, error) { // privileges over the remaining namespaces created by the call." - // user_namespaces(7) creds := t.Credentials() - var userns *auth.UserNamespace + userns := creds.UserNamespace if opts.NewUserNamespace { var err error // "EPERM (since Linux 3.9): CLONE_NEWUSER was specified in flags and @@ -182,7 +181,7 @@ func (t *Task) Clone(opts *CloneOptions) (ThreadID, *SyscallControl, error) { return 0, nil, err } } - if (opts.NewPIDNamespace || opts.NewNetworkNamespace || opts.NewUTSNamespace) && !creds.HasCapability(linux.CAP_SYS_ADMIN) { + if (opts.NewPIDNamespace || opts.NewNetworkNamespace || opts.NewUTSNamespace) && !creds.HasCapabilityIn(linux.CAP_SYS_ADMIN, userns) { return 0, nil, syserror.EPERM } @@ -287,7 +286,7 @@ func (t *Task) Clone(opts *CloneOptions) (ThreadID, *SyscallControl, error) { nt.SetSignalStack(t.SignalStack()) } - if userns != nil { + if userns != creds.UserNamespace { if err := nt.SetUserNamespace(userns); err != nil { // This shouldn't be possible: userns was created from nt.creds, so // nt should have CAP_SYS_ADMIN in userns. |