summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--src/namespace.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/src/namespace.c b/src/namespace.c
index 54b22f494e..a06cac10fd 100644
--- a/src/namespace.c
+++ b/src/namespace.c
@@ -266,8 +266,12 @@ int setup_namespace(
goto fail;
}
- /* We assume that by default mount events from us won't be
- * propagated to the root namespace. */
+ /* Remount / as SLAVE so that nothing mounted in the namespace
+ shows up in the parent */
+ if (mount(NULL, "/", NULL, MS_SLAVE|MS_REC, NULL) < 0) {
+ r = -errno;
+ goto fail;
+ }
for (p = paths; p < paths + n; p++)
if ((r = apply_mount(p, root_dir, inaccessible_dir, private_dir, flags)) < 0)