diff options
author | Dean Deng <deandeng@google.com> | 2020-10-13 11:29:21 -0700 |
---|---|---|
committer | gVisor bot <gvisor-bot@google.com> | 2020-10-13 11:31:22 -0700 |
commit | 432963dd2d9f4797f26a8b2555464a50f8319537 (patch) | |
tree | 8cf1e7fd7529fa98af146a70ce508cdad8a797e0 /pkg/sentry/vfs/mount.go | |
parent | d9b32efb306444440daa89a79e4d85516ff8f340 (diff) |
[vfs2] Don't take reference in Task.MountNamespaceVFS2 and MountNamespace.Root.
This fixes reference leaks related to accidentally forgetting to DecRef()
after calling one or the other.
PiperOrigin-RevId: 336918922
Diffstat (limited to 'pkg/sentry/vfs/mount.go')
-rw-r--r-- | pkg/sentry/vfs/mount.go | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/pkg/sentry/vfs/mount.go b/pkg/sentry/vfs/mount.go index 79a2d8c41..78f115bfa 100644 --- a/pkg/sentry/vfs/mount.go +++ b/pkg/sentry/vfs/mount.go @@ -727,14 +727,12 @@ func (mnt *Mount) Root() *Dentry { return mnt.root } -// Root returns mntns' root. A reference is taken on the returned -// VirtualDentry. +// Root returns mntns' root. It does not take a reference on the returned Dentry. func (mntns *MountNamespace) Root() VirtualDentry { vd := VirtualDentry{ mount: mntns.root, dentry: mntns.root.root, } - vd.IncRef() return vd } |