From c2d3dc0c13e1adfc182c33d57e410c46fe12415f Mon Sep 17 00:00:00 2001 From: Nicolas Lacasse Date: Tue, 12 Nov 2019 22:49:22 -0800 Subject: [PATCH] Use overlay MountSource when binding socket in overlay. PiperOrigin-RevId: 280131840 --- pkg/sentry/fs/inode_overlay.go | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/pkg/sentry/fs/inode_overlay.go b/pkg/sentry/fs/inode_overlay.go index 5a388dad1..a09147080 100644 --- a/pkg/sentry/fs/inode_overlay.go +++ b/pkg/sentry/fs/inode_overlay.go @@ -462,7 +462,9 @@ func overlayBind(ctx context.Context, o *overlayEntry, parent *Dirent, name stri inode.DecRef() return nil, err } - return NewDirent(ctx, newOverlayInode(ctx, entry, inode.MountSource), name), nil + // Use the parent's MountSource, since that corresponds to the overlay, + // and not the upper filesystem. + return NewDirent(ctx, newOverlayInode(ctx, entry, parent.Inode.MountSource), name), nil } func overlayBoundEndpoint(o *overlayEntry, path string) transport.BoundEndpoint {