diff options
Diffstat (limited to 'pkg/sentry/fsimpl/overlay/overlay.go')
| -rw-r--r-- | pkg/sentry/fsimpl/overlay/overlay.go | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/pkg/sentry/fsimpl/overlay/overlay.go b/pkg/sentry/fsimpl/overlay/overlay.go index f28411b5b..6fe97c57b 100644 --- a/pkg/sentry/fsimpl/overlay/overlay.go +++ b/pkg/sentry/fsimpl/overlay/overlay.go @@ -33,12 +33,14 @@ package overlay import ( + "fmt" "strings" "sync/atomic" "gvisor.dev/gvisor/pkg/abi/linux" "gvisor.dev/gvisor/pkg/context" "gvisor.dev/gvisor/pkg/fspath" + "gvisor.dev/gvisor/pkg/refsvfs2" fslock "gvisor.dev/gvisor/pkg/sentry/fs/lock" "gvisor.dev/gvisor/pkg/sentry/kernel/auth" "gvisor.dev/gvisor/pkg/sentry/memmap" @@ -484,6 +486,9 @@ func (fs *filesystem) newDentry() *dentry { } d.lowerVDs = d.inlineLowerVDs[:0] d.vfsd.Init(d) + if refsvfs2.LeakCheckEnabled() { + refsvfs2.Register(d, "overlay.dentry") + } return d } @@ -583,6 +588,14 @@ func (d *dentry) destroyLocked(ctx context.Context) { panic("overlay.dentry.DecRef() called without holding a reference") } } + if refsvfs2.LeakCheckEnabled() { + refsvfs2.Unregister(d, "overlay.dentry") + } +} + +// LeakMessage implements refsvfs2.CheckedObject.LeakMessage. +func (d *dentry) LeakMessage() string { + return fmt.Sprintf("[overlay.dentry %p] reference count of %d instead of -1", d, atomic.LoadInt64(&d.refs)) } // InotifyWithParent implements vfs.DentryImpl.InotifyWithParent. |