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| author | Rahat Mahmood <rahat@google.com> | 2021-04-02 21:08:53 -0700 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2021-04-02 21:10:44 -0700 |
| commit | 932c8abd0f739bec295ff62cf8fce3dcb7e2d866 (patch) | |
| tree | 5669f3240478e7d96a9d9375d241e65668cb5805 /pkg/sentry/kernel/task_exit.go | |
| parent | a0c1674478ed49b63c75ce1d000c8038b1a632b3 (diff) | |
Implement cgroupfs.
A skeleton implementation of cgroupfs. It supports trivial cpu and
memory controllers with no support for hierarchies.
PiperOrigin-RevId: 366561126
Diffstat (limited to 'pkg/sentry/kernel/task_exit.go')
| -rw-r--r-- | pkg/sentry/kernel/task_exit.go | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/pkg/sentry/kernel/task_exit.go b/pkg/sentry/kernel/task_exit.go index ad59e4f60..b1af1a7ef 100644 --- a/pkg/sentry/kernel/task_exit.go +++ b/pkg/sentry/kernel/task_exit.go @@ -275,6 +275,10 @@ func (*runExitMain) execute(t *Task) taskRunState { t.fsContext.DecRef(t) t.fdTable.DecRef(t) + // Detach task from all cgroups. This must happen before potentially the + // last ref to the cgroupfs mount is dropped below. + t.LeaveCgroups() + t.mu.Lock() if t.mountNamespaceVFS2 != nil { t.mountNamespaceVFS2.DecRef(t) |