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-rw-r--r--pkg/sentry/fs/dirent.go4
1 files changed, 4 insertions, 0 deletions
diff --git a/pkg/sentry/fs/dirent.go b/pkg/sentry/fs/dirent.go
index 2c01485a8..4c0d1b7ef 100644
--- a/pkg/sentry/fs/dirent.go
+++ b/pkg/sentry/fs/dirent.go
@@ -840,6 +840,10 @@ func (d *Dirent) getDotAttrs(root *Dirent) (DentAttr, DentAttr) {
InodeID: sattr.InodeID,
}
+ // Hold d.mu while we call d.descendantOf.
+ d.mu.Lock()
+ defer d.mu.Unlock()
+
// Get '..'.
if !d.IsRoot() && d.descendantOf(root) {
// Dirent is a descendant of the root. Get its parent's attrs.